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Archive for November, 2007

Barcode Printers

Categories: Barcode Printers | November 13th, 2007 | by | no comments

The History of Barcodes

Wallace Flint was the first person to suggest an automated checkout system in 1932. But the history of modern barcode begun only in 1948, when Bernard Silver, a graduate student of Drexel Institute of Technology in Philadelphia, asked his friend Norman Woodland to develop a system to automatically read product information during checkout.

The first coding system was developed by Woodland, a twenty-seven-year-old graduate of the same institute. On October 7, 1952, Woodland and his friend Silver were awarded a patent for this invention named “Classifying Apparatus and Method.” Woodland’s first idea was to use patterns of ink that would glow under ultraviolet light. The barcode Woodland and Silver developed was a “bull’s eye” symbol, made up of a series of concentric circles. Later, the barcode was made up of a pattern of four white lines on a dark background. Information was coded and classified in these lines.

The barcode was first commercialized in 1967, when RCA installed the first scanning systems at a Kroger store in Cincinnati. In 1969, NAFC asked Logicon. Inc. to develop an industry-wide barcode system. They developed Part 1 and 2 of the UGPIC (Universal Grocery Products Identification Code) in 1970. Based on this, a Uniform Grocery Product Code was formed. In 1973, the U.S. Supermarket Ad Hoc Committee recommended the adoption of the UPC symbol set, which is still in use. This was developed by George Laurer of IBM. In June 1974, the first UPC scanner was installed at Marsh’s supermarket in Troy, Ohio. It was developed by NCR Corp. The first product scanned was ten-pack of Wrigley’s Juicy Fruit chewing gum.

The industrial application of barcodes began in late 1950s, and in 1967, the Association of American Railroad adopted an optical barcode, but it was abandoned in 1970. In September 1981, the United States Department of Defense adopted the use of Code 39 for marking all products sold by the United States military, called LOGMARS. This was the event that popularized barcodes. Today, this is a billion dollar business. In 1962, Silver died, and in 1992, Woodland was awarded the National Medal of Technology by President Bush.

The Three Types Of Barcode Printers

You may be surprised to know any black & white printer can become a barcode printer. All you need are some barcode labels and barcode software to print barcodes. It is best to use a laser printer for this type of print job because it requires barcode print accuracy in order for the barcode scanner to read correctly.

However, it does require some technical knowledge to set up. Also, it is not suitable for large barcode printing jobs. If you do not want the fuss with setting up and testing barcodes, I would suggest getting a standalone, dedicated barcode printer. All the necessary software and hardware are in place and is designed to print barcodes right out of the box.

There are mainly three categories of barcode printers currently available on the market.

1) Small Office/SOHO barcode printers

These types of printers are cheap but do not have large barcode printing capability. It is mostly useful if you need to print barcodes occasionally.

2) Large Batch Printing Barcode Printers

These type of printers are dedicated barcode printing powerhouses. They are expensive but able to print large amounts of barcode very quickly. It is mostly used in factories, large retail outlets and hospitals where speed and reliability is important.

3) Portable Barcode Printers

Most portable barcode printers cannot print in large quantities. They are usually used to print receipts, forms at the spot as required. Most portable barcode printers uses wireless or bluetooth for communications

I would recommend getting a dedicated barcode printer as cost wise it is more effective than trying to cobble together a barcode printing system using your existing document printer.

How To Choose A Barcode Printer

Barcode Printers nowadays comes in all sorts of shapes and sizes with varying price range. Technically, general purpose laserjet and inkjet printers cannot print barcodes by default. Usually, they require a add-on component or module. An example is Capella Technologies which provides barcode printing functionality to standard HP laserjet printers through an add-on flash card. Such barcode printers are usually limited in the number of symbologies that can be used.

Thermal Barcode printers, on the other hand supports multiple symbologies right out of the box.

There are two ways barcode printers print barcode, the first method is Thermal Transfer and the second method is Direct Thermal. Direct Thermal prints the barcode directly on the label while Thermal Transfer make use of a ribbon and a printhead. The ribbon is heated and the image is etched on by the printhead on a pre-defined area.

Thermal transfer allows you to print barcodes on a wider variety of materials than direct thermal. As such, the type of material you are going to print barcodes on is a crucial factor in determining which barcode printer to purchase.

Larger barcode printers usually have the ability to switch between direct thermal and thermal transfer. One disadvantage of thermal transfer is that the ribbon needs to be changed quite frequently. If you are using the barcode printer in a manufacturing environment, there could be a lot of downtime. A direct thermal printer is faster and is useful particularly where speed is required and you are not printing a lot of barcodes all the time. An example would be in a hospital where each patient warded is given a barcode to identify them.

If you need to print thousand of barcode labels at a time. Look at purchasing one of the thermal printers from symbol or zebra. I found them to be pretty good in terms of speed and functionality. I would advise to get a barcode printer that has a larger print width and a larger print label capacity.

Barcode Printing technology has evolved tremendously over the last few years. Lately, barcode manufacturers have implemented several security features to ensure there is no counterfeit coding. The latest models of barcode printers are capable of printing labels with RFID (Radio Frequency Identification Devices) tags in them. Such security features are mandatory in some highly sensitive industries and help to provide a guarantee of authentication.

Bar Code Printers

Barcode Printers come in various types, including general-purpose laser and inkjet printers. Then there are printers that support multiple symbologies. They are called Thermal bar code label printers. General-purpose laser and inkjet printers cannot directly print barcodes. That is because these basic printers do not support bar code symbologies and are therefore upgraded to do so. They need to be programmed to support bar coding, which may entail addition of more features and fonts.

Barcode printers employ two major printing methods, namely Direct Thermal and Thermal Transfer. Both methods basically involve the same technique to print bar codes with difference in the use of ribbon. They make use of a print-head that applies heat to a surface that is pre-marked. Heated ribbon is used to produce long-lasting images in Thermal Transfer printing, while Direct Thermal does not use ribbon and instead prints the image directly on the label. In Thermal Transfer printing, a large number of materials may be used. This generally helps in creating durable images over a long period of time. Direct Thermal, on the other hand, helps in making put-away labels, receipts and other such small variety.

Ideally, barcode printers can print on labels that are specifically designed for the purpose. However, the printers are also capable of printing on fabrics like polyester. We have printers etching away prints on headbands and even synthetic materials. Quite contrary to popular perception, barcodes are not only black. Barcode printers can print in various colors, but black is generally preferred because a light color may end up with insufficient contrast between the bars resulting in unreadable barcodes.

Nowadays, several security features are available to ensure that there is no counterfeit coding by the printers. The latest thermal printers are capable of printing smart labels that contain radio frequency identification chips within the label media. These smart features go a long way in plugging any loopholes in barcode printing and provide a guarantee of authentication.

Bar Code Scanners - Know the Features

Barcode Scanners are hand-held or stationary devices used for capturing information from barcodes. A barcode scanner consists of a code reader and a decoder. These devices are connected to a computer through compatible ports

The earliest, most basic and cheapest barcode scanners consisted of a fixed light and a single photosensor. Modern barcode scanners have polygonal mirrors and use laser scanning technology. Laser barcode printers have the advantage of reading barcodes from any angle.

Barcode scanners are available in different varieties like hand-held, hands-free, wearable, rugged, scan engines, laser and digital. Pen-wand scanners are the simplest and most portable type of such devices. They have to be kept in direct contact with the barcode and held at a precise angle to interpret the barcodes. Modern day digital cameras have enough resolution to capture both 1D and 2D barcodes.

Barcode scanners can be distinguished as follows:

  • LED scanner: Also referred to as CCD scanners, even though the CCD is in fact the photo imaging sensor, not the light source.
  • Laser scanner: More expensive than LED scanners but are generally capable of longer maximum scanning distances.
  • Imager scanner: These scanners take an image of the linear barcode, generally more rugged as they have no moving parts.
  • 2D Imaging scanner: These scanners take a 2D image of the barcode as in a camera and can be used to scan 2D barcode types such as Datamatrix as well as the more common linear barcode types.
  • Handheld scanner: With a handle and typically a trigger button for switching on the light source.
  • Pen scanner (or wand scanner): a pen-shaped scanner that is swiped.
  • Stationary scanner: Wall- or table-mounted scanners that the barcode is passed under or beside. These are commonly found at the checkout counters of supermarkets and other retailers.
  • Fixed position scanner: An industrial barcode reader used to identify products during manufacture or logistics. Most often used on conveyer tracks to identify cartons or pallets which need to be routed to another process or shipping location.
  • PDA scanner: A PDA with a built-in barcode reader.

The latest in barcode scanner technology is mobile barcode scanners which use color code and mCode (new two-dimensional code format) to scan barcodes.

General purpose barcode scanners are used at checkout counters and hospitals. These are also used to process identification documents. Certain other kinds of scanners, like rugged scanners, are used in harsh or extreme conditions. Of the different barcode scanners, laser scanners and camera scanners are widely used these days. Camera scanners scan and capture the barcode images, which are then processed by sophisticated image techniques to decode the barcode.

Barcode scanners have increased the speed of data retrieval and data processing. They have become a mainstay in commercial establishments, libraries, counters, and virtually at any point-of-sale.

The benefits of barcode scanners are many. It greatly helps you organize your inventory, monitor the movement of goods, and ensure the security of your premises. Bar Code technology is helping enterprises worldwide streamline their business and control costs at the same time.

Choosing a right barcode scanner is an essential step for better inventory management and customer service.

Barcode readers come in different forms, sizes and prices. Their prices range from $50 to several thousands depending on the features, built, durability etc.

However, before purchasing a laser or CCD scanner, define your requirements:

  • The type of environment where you are going to use the scanner
  • Consider the portability factor
  • The symbology you plan to follow
  • The average scanning range

Choose a credible and reliable company. Go for a bar code scanner which has proved its usability. POS Components has made it its goal to provide the customers with the right equipment, from the right manufacturer, and at the right price!

Bluetooth Wireless Barcode Scanners

Bluetooth Wireless Barcode scanners are fast gathering popularity in the retail and service related industries. Many companies have adopted using Bluetooth wireless barcode scanners and found them to be an integrated part of their business operations

Wireless barcode scanners using Bluetooth technology provided wireless coverage and lower cost per barcode scanner compared with wireless 802.11b barcode scanners.

Bluetooth wireless barcode scanners are light and portable thus allowing the operator to move easily from place to place.

It also makes it easy to scan huge, bulky and immoveable items as the operator can scan easily without moving the large items.

They are two types of barcode scanners available. One used CCD based technology, the other is laser-based technology. CCD-based barcode scanners uses optical cameras to capture barcode images and then translate that to barcode information. One major disadvantage of CCD barcode scanners is that the scanning distance is shorter. CCD barcode scanners is used mostly in fixed or static barcode scanners where distance is not a problem.

Laser barcode scanners uses a laser to capture barcode information. As such, they have a longer scanning distance and also can scan curved surface. Most Bluetooth wireless barcode scanners are laser-based.

The price of Bluetooth wireless barcode scanners have rapidly dropped over the years and nowadays you can get a pretty good one for a few hundred dollars. Therefore it is a good investment to get these for your business.

How Does A Barcode Scanner Work?

To understand how a barcode scanner work, it is important to first understand how barcodes are produced and being read.

Each barcode has specific symbols defined as a series of bars in a barcode. The way to differentiate the barcode is by the height and width as well as the bar spacing. Each strip of bar can represent a number, character or alphanumeric character depending on which type of barcode symbology set is used.

Usually a barcode contains a start and end bar to denote the starting and ending point of the barcode. Sometimes, there is an additional bar called the checksum bar. The purpose of the checksum bar is used to determine whether the barcode is correct after calculation and ensures the accuracy of the barcode.

The barcode scanner’s photosensors can then read the barcodes and convert them to electrical pulses. Since each strip of bar is equivalent to a character, the barcode software can easily convert these electrical pulses into readable text that can be displayed on a monitor. This process is actually very fast and only takes a few milliseconds.

Nowadays there are many varieties of barcode scanners models. Their usage depends a lot on the type of industry and the work environment. Examples are desktop models, handheld and portable models.

One of the most popular type is the wireless barcode scanner. They connect to the base station or workstations wirelessly and can transmit data back to the terminal as long as they are within the wireless range radius.

Wireless barcode scanner are often used in the warehouse industry where workers can easily scan a barcode that can be placed in awkward positions or angles. It is also used in industries where goods are often moving from one location to another. Using a wireless barcode scanner allows freedom of movement and thus more efficient.

How To Choose A Barcode Scanner?

Barcode scanners are light emitting devices that are used to read barcodes. Usually attached to a computer or laptop via PS2 or RS-232, the data collected is stored on a computer for processing or storage. It is now used in many different industries such as retail or production.

They have been on the market for many years now with new versions of barcode scanners available every year. The prices can vary from as low as $50.00 to as high as several thousand dollars. So how do you pick a good barcode scanner?

To answer that question, it is important you know there are 2 major classes of barcode scanners, image-based and laser-based. Image-based barcode scanners use a camera usually embedded in a barcode scanner. The camera will capture the images and then processed by complex image techniques to decode the barcodes. Laser-based barcode scanners uses mirrors and lenses to read the barcodes.

Laser barcode scanners are usually more expensive than image-based scanners. They have their own pros and cons. An image-based barcode scanner do not have internal movable parts therefore are more resistant to drops or knocks than laser barcode scanners. Also, image-based barcode scanners have a shorter scanning distance (4 to 10 inches) compared to laser barcode scanners. On the other hand, laser scanners are more prone to wear and tear due to their lenses. They not only have a longer scanning distance (up to 24 inches) but also are able to scan from a wider angle from the barcode.

Be aware that the scanning distance for both image-based and laser barcode scanners have already improved dramatically over the years and I wouldn’t be surprised if a barcode manufacturer claims an image-based scanner has a scanning distance of 24 inches.

Here are some questions you need to ask yourself before getting a barcode scanner. The size of scanner required? Type of environment the barcode scanner will be using (outdoors, shop, warehouse)? The scanning distance required? Are they to be used hands free or hand-held? Your budget?

So my suggestion is if you need a barcode scanner for long range scanning, get a laser barcode scanner. For short range scanning, use an image-based barcode scanner such as a CCD barcode scanner. The environment as I asked earlier also plays an important part. If the barcode scanner is being used outdoors or in rugged environments where it is expected to take a drop or knock or two, then it is best to get an image-based barcode scanner. If it were for example being used in a retail shop, then a laser barcode scanner would be the best choice.

There are such a wide variety of barcode scanners available that I just can’t explain completely in this article. If you are in doubt, consult the barcode manufacturers such as symbol or metrologic who have sales consultants who are able to do an analysis of the type of barcode scanners needed by your business.

Free Barcodes

The barcode, generally called the Universal Product Code, has been in use in America since the 1970s. There are several patterns of codes including dots, concentric circles, and hidden images. As barcodes are very useful in tracking inventory and identifying legitimate record labels, it has become a vital tool in all organizations and firms.

One can obtain barcodes free of cost. Many types of barcode fonts are available on the market, and many of these barcode fonts can be owned without paying a single penny. Free barcodes are a great relief for many small businesses unable to buy the costly barcodes.

Many companies are providing free barcode fonts through online services. One can easily download these fonts and use them conveniently. These free sample fonts are used to print letters, numbers, and some symbols. Graphics are also used for the creation of barcodes. Individuals and organizations with gross annual revenues of less than $500,000 can use the free barcode fonts. Many educational organizations such as schools and universities also use the free barcodes. But in the case of freeware, choice is limited. The common free barcode font available is the Code 39 TrueType format, which is also known as the 3 of 9. Some free barcodes, which come without the fonts, are graphic images. For these, there is no need for installation and configuration of plug-ins.

Many modern businesses offer barcode image generators as free software. Most of these user-friendly software packages help in creating barcode image files in a range of formats. There are many software packages that offer barcode generators. These barcode generators can be downloaded from the Internet as freeware. Some firms give options for online generation of barcodes.

Bar codes improve data management significantly, and almost every business is using very advanced versions of this technology today. Bar codes speed up data collection considerably by storing significant amounts of data digitally in small black lines that can be easily machine-read. Better printing technology, label materials, scanning systems and wireless communication systems have made bar codes even more indispensable.

Bar code label printers are generally the most common dot matrix, laser, and ink jet and thermal printers. Dot matrix printers are one of the oldest printers used for printing bar codes. In these printers, the lines are built dot-by-dot as a solenoid-driven needle strikes an ink ribbon, transferring the ink to the paper. These printers are inexpensive, can print any form and are easily accessible. However, the quality dot matrix printer is unacceptable today. Ink jet printers are one of the most commonly used printers, especially for high-speed applications. They can also be used to print directly onto a carton where a label has already been affixed.

However, they are suitable for only high-speed printing and may not be very cost-effective for small-scale bar code printing operations. Ink jet clogging, limited barcode resolution, “bleeding” ink, and poor contrasts are some of the disadvantages. Laser printers are quite good as far as the quality of the print is concerned. They have very good resolutions and can scan quite well. However, they cannot effectively print smaller labels. The adhesive on the labels has to be good enough to take the heat and pressure from the printer as most label adhesive tend to melt. Thermal printers for bar coding are of two types: direct printing and thermal transfer.

Bar code printers have to be analyzed on the basis of: quality of the print, readability, initial installation cost, speed, long-term maintenance cost, materials waste. Each of these printers has different results. Thermal label printers score well on all aspects except for material waste. They are most suitable for applications that have variable data fields, point-of application systems, varying label sizes, graphical and scalable text fonts, and high-definition bar codes. They are also compact, quiet, and have lower operating costs.

Today, there are special bar code label printers available with various options like different print modes, label cutter, liner take-up, peel, rewind, tear, real-time clock (for printing time and expiration dates); alerts for maintenance; portability, compatibility with parallel; serial, USB, wired or wireless Ethernet, twinax or coax cables; memory for storing frequently used data; font options like styles and colors; multi-lingual options; sensors and many more. These printers are also compatible with different sizes and materials of labels, including water-resistant, fabric or acrylic.

Barcode Printers for Your Business

Choosing the right barcode printer for your needs can be a bit overwhelming. There are a few questions you must ask yourself before buying a printer. The first is what are you printing? Most people use a thermal barcode printer to print labels or tags. The paper that runs through these printers isn’t standard laser paper. Depending on what printer you buy, it may require a certain type of paper. Smaller, desktop printers are great for running small batches of labels or tags. These printers are typically direct thermal only; meaning they use a heat sensitive paper. Direct thermal labels are fine for shipping labels or something that isn’t going to be around for a long period of time. Direct thermal paper changes color with exposure to heat or sunlight. Choosing a printer with a thermal transfer option will give you more range in the materials that you can print on. Thermal transfer paper is a coated paper label or tag stock that bonds well with a thermal transfer ribbon. The advantage of thermal transfer is longer life to the image on the label. Direct thermal labels are typically more expensive, but you have to factor in purchasing a ribbon with a thermal transfer label. Thermal transfer printers will give you more versatility. For instance; you may need to print shipping labels and also print a synthetic rack label for your warehouse. There are more thermal transfer label material options on the market, so if you think you’ll be printing more than just shipping labels, then thermal tranfer might be a better option. Most of the larger printers can switch between direct thermal and thermal transfer with just a setting on the front panel of the printer. Using thermal tranfer labels will require that you change a ribbon after every 2 to 3 rolls of labels. In a manufacturing setting like a seafood distributor, they don’t want the downtime of changing out a ribbon. A direct thermal shipping label can get printed rather fast and is only on the product the time of transit. A health care facility printing patient file labels may want to go with a thermal transfer barcode printer because the label will be around for the life of the patient.

If you are just printing a handful of shipping labels every month because a retailer requires you to, consider purchasing some sheet fed laser labels for your laser printer. Seagull Scientific makes a great label design software package called Bartender that allows users to create labels on the fly and incorporate barcodes and text on one label. Bartender will work with your laser printer and most thermal printers, should you decide to upgrade down the road.

If you are needing to print thousands of labels at a time, tying up your laser printer really doesn’t make sense. Toner is expensive and it’s not fun printing several sheets of labels at a time. A thermal printer will give you the speed and functionality you need. I would go with a printer that has a 4″ print width and the capacity to hold an 8 inch roll diameter of labels. Your options are more diverse for different size labels than smaller, compact rolls. A printer will run between $800 and $1500. Plan on additonal money if you need faster speed, additional memory, higher resolution (DPI) or a wider print width. These printers can accomodate a variety of different label stocks from papers to polyesters. Print rack labels, asset labels and shipping labels on the same printer.

Rule of thumb is that if you are printing just text and a barcode on the label, a printer with a 203 DPI resolution is just fine. If you want a nice looking logo, have it preprinted on the labels and use the thermal printer to print just the variable information on the label. This will give you a professional look to your labels without breaking the bank.

How To Buy A Good Printer?

Introduction

These are most commonly used output devices used to get prints of documents on the pager. Different printers have different mechanisms. Therefore purchasing a printer can be a sometimes confusing task. The following is additional information that will help in your purchasing decisions.

Technology of printers

There are many types and technology of printer are available in market but the most popular and commonly used are inkjet and laser printer.

Ink Jet Printer. The inkjet printer is not-impact character printer and prints one character at a time. The printing quality of inkjet printer is measured by the number of tiny ink of drops per inch(dpi). Most inkjet printers range from 300 to 2400 dpi. Printers with higher dpi usually are more expensive but having high printing quality. The speed of an inkjet printer is measured by the number of pages per minute (ppm) it can print. Its printing speed is up to 15 ppm. Therefore purchasing a printer can be depends upon printers dpi and ppm but It depends upon user need.

Laser Printer. A Laser printer is the fastest and high quality printer, but a laser printers are more expensive than inkjet printers and their print quality is also higher. The print quality and printing speed of laser printers make them ideal for offices and business. The laser printer can print text and graphics in very high quality resolution. The commonly user laser printers have resolution of 300 or 600 dpi and printing speed is from 5 to 30 ppm. The high quality laser printers have resolution from 600 to 2400 dpi. The printing speed of these printers is also more than 150 ppm.

Speed and price range

The price of laser printers depend on the quality and printing speed. The color printers are more costly than black-and-white laser printers. The higher the resolution and speed, the more expensive the printer. The price range can vary depending upon the quality of the printer and the type of printer for example inkjet, laser printers.

Ready to Buy

Once you have reviewed the appropriate information and believe that you are ready to make a purchase of a printer ensure that the source which you plan on purchasing the printer from is a reputable source and you have reviewed our section on what to look out for when purchasing over the Internet.

Buying Printers Online

Computers would not be able to function completely without a printer. If you are looking into purchasing a printer, then it could be a bit of challenge. Thankfully, you now have the wonderful option of buying printers online. You would be able to browse through the printer selections of different companies on their websites and compare them with each other.

Probably one of the primary decisions that you need to making as you buy a printer online would be to decide on which print technology would be able to fill your needs and requirements. The two printing systems available in the market today would be: the printers that use laser technology, which have toner cartridges along with a transfer drum assembly; and ink jets which have ink tank cartridges, along with fine-spray nozzles.

To be able to determine which would work better for you, you would need to know first what your new printer will be printing, as well as the associated operation costs. A laser technology printer might work better if you would using it for some high-volume printing, as they have lower costs per page and it has better black intensity compared to ink jet printers. Also, laser printers are more like to have faster speed. However, ink jet printers do have the advantage of delivering affordable color printing.

If you would be buying printers online, you would be coming across several printer configurations that are application-specific. There are direct disc CD printers, specialized photo printers, multi-function printers, high-speed lasers and desktop ink jet printers.

How to buy Printers online? While it is important to buy from popular online retailers, you can save lot of money if you look for some good deals, bargains and discount coupons at the CheapStingyBargains.com deals site. You can buy dell notebooks, apple ipods and HP printers and save money in the process as well

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Best Radar Detectors

Categories: Id Card Printers | November 13th, 2007 | by | no comments

If you are living in Europe, you must be aware of the fact that in most European countries it is illegal to use a speed trap detector or radar detector and, in some, it is illegal to even own one. For example, the use of a radar detector is illegal in France, fines and confiscation of the vehicle can occur if caught with one. So do be careful.

The correct placement of a radar detector is as low in the front windshield as possible. Don’t own a nice car? Radar detectors can make your friends jealous since it makes you look cool and obviously a cut above the rest.

A high performance radar detector detects police radar clocking the cars ahead of you and gives you time to slow down to avoid speeding tickets. Radar detectors are also a fantastic way to measure the performance of your car. A notable performance fact is the Cobra 12 band ultra performance radar detector’s performance of this detector is light years ahead. The 12 bands speak oodles about the product itself. Another notable brand of radar detectors is the Vector 955 High Performance Radar Detector that is available at a list Price of $199. In some websites or shops you might get it cheaper.

I would sum this up by saying: A radar detector is an electronic device used by motorists to determine if their speed is being monitored. But please – always remember that no radar detector is 100% accurate all of the time. Always wear your seatbelts and don’t drink and drive – it isn’t worth it.

Used radar detectors prices are reasonable and negotiable. It is quite difficult for an ordinary buyer to purchase a new, high-end model radar detector, due to its high price. But, a used radar detector is a previously owned detector which can be acquired at an exceptionally low price. The prime benefit of used radar detector is that in most cases, the consumers get a new model, sometimes along with warranty, at cheap rates. Used radar detectors are generally categorized by the price range - economy, mid-range, and expensive. Other factors that determine the pricing of used radar detectors are condition of the equipment, the manufacturers, place of purchase, the model, the type, and the year when it was first purchased.

The prices of used radar detectors generally start from $50 or sometimes even less. For some of the latest models from top brands such as Beltronics and Whistler, including Whistler Cruisader Motorcycle Laser Radar Detector and Beltronics Vector 990 International Frequencies Radar Laser Detector, the prices range between $220 and $260. In the case of used radar detectors with voice alert and cordless radar detector, the price ranges from $90 to $120. The price of used Band High Performance Digital Radar/Laser Detector from Cobra is about $110.

Used radar detectors can be purchased from owners, dealers, or from superstores. It is always wise to buy used radar detectors directly from the owners, as the prices will be negotiable as well as reasonable. In the case of superstores, used radar detector prices are not negotiable, though they are usually sold for a reasonable, predetermined price. The best deal on used radar detectors can be found on the web, where majority of the dealers have sites. They provide the latest information and pictures of used radar detectors. Amazon.com, Buy.com, and eBay.coms, are among the prominent websites where you can search for used radar detectors.

Radar Detector Models

Since radar detectors are generally expensive, some people prefer to buy cheap radar detectors. For manufacturers and dealers, cheap radar detectors are a promotional technique used to increase their sales. Customers are satisfied with cheap radar detectors because they provide the same quality and service as that of expensive, high-end models at a much lower price.

The price of cheap radar detectors generally depends on the category, installation, and type. Cordless radar detectors, traditional corded units, and remote mounted units are some of the types available. There are several sources to get cheap radar detectors. One of the best sources to find cheap radar detectors is stores offering products at discount rates. Many radar detector dealers, both stores and online, sell high quality radar detectors at discounts. These stores get products from the radar detector manufacturers at cheap prices. Generally, their aim is to increase sales by cutting on profit margins. Another popular option for cheap radar detectors is buying used ones. Classified ads, estate sales, and garage sales are among the sources where customers can get great deals on used radar detectors. Some stores even have a section exclusively for used radar detectors. Cheap radar detectors can also be bought from outlets or companies, who want to replace their existing models with the latest ones.

A cheap radar detector is not necessarily a high quality product. Hence, before purchasing a cheap radar detector, it is necessary to make a thorough research on cheap radar detectors available in the market. Quality, sensitivity and memory, display and volume, and brand name and model must be taken into consideration. It is always wise to buy cheap radar detectors sold by top brands like Beltronics, Cobra, and Whistler, as they offer some kind of warranty. Sometimes, manufacturers offer free shipping for cheap radar detectors on making a minimum purchase.

The demand for convenience has lead to an impressive market of cordless radar detectors. A cordless unit does not have to mean a less impressive gadget, as manufacturers continue to develop new technology that rids drivers of the hassle of cords while still giving them superb radar detection.

One of the most popular cordless radar detectors under $200 is the BEL Express Model 946. A clip-on, 90-degree deflector and earphone come standard on this model, which can deflect both incoming radar and laser beams. Further, the Express has proved exceptional in many tests; it is often the only detector tested that can reliably detect Ka band radar. It is equally proficient in detecting lasers. A drawback to this unit is its audio quality, which is less distinct than many might prefer.

For anyone interested in paying more than $200 on a cordless radar detector, the Escort Solo S2 is a good option. It has a low-profile compact case and features all but one of its controls on the front. As for radar detection, this style detects X, K, Ka, and laser bands, and announces their strength via a highly perceptible audio alert and flashing bar graph.

More and more companies are adding cordless models to their radar detector line-up. As this feature increases in popularity, the increase in models should create a competitive market, resulting in higher-quality cordless devices that continue to offer excellent radar and laser detection.

Whistler Radar Detector

Since radar detectors are generally expensive, some people prefer to buy cheap radar detectors. For manufacturers and dealers, cheap radar detectors are a promotional technique used to increase their sales. Customers are satisfied with cheap radar detectors because they provide the same quality and service as that of expensive, high-end models at a much lower price.

The price of cheap radar detectors generally depends on the category, installation, and type. Cordless radar detectors, traditional corded units, and remote mounted units are some of the types available. There are several sources to get cheap radar detectors. One of the best sources to find cheap radar detectors is stores offering products at discount rates. Many radar detector dealers, both stores and online, sell high quality radar detectors at discounts. These stores get products from the radar detector manufacturers at cheap prices. Generally, their aim is to increase sales by cutting on profit margins. Another popular option for cheap radar detectors is buying used ones. Classified ads, estate sales, and garage sales are among the sources where customers can get great deals on used radar detectors. Some stores even have a section exclusively for used radar detectors. Cheap radar detectors can also be bought from outlets or companies, who want to replace their existing models with the latest ones.

A cheap radar detector is not necessarily a high quality product. Hence, before purchasing a cheap radar detector, it is necessary to make a thorough research on cheap radar detectors available in the market. Quality, sensitivity and memory, display and volume, and brand name and model must be taken into consideration. It is always wise to buy cheap radar detectors sold by top brands like Beltronics, Cobra, and Whistler, as they offer some kind of warranty. Sometimes, manufacturers offer free shipping for cheap radar detectors on making a minimum purchase.

Radar detector use is very common these days, for many people, speeding is a normal part of daily life. This law-bending is so prevalent and commonly accepted that there is even specialized electronic equipment to help drivers get away with it. Since its introduction in 1970s, the radar detector has become a must-have accessory for would-be Andrettis everywhere, keep on reading our radar detector review and find out the details.

More money buys more features

Shelling out some extra bucks for a Radar Detector does have some tangible benefits. Look at it from this perspective : aside from the ticket and court costs , years of insurance premiums can easily set you back a couple of grand. More money buys more features, enhancing the utility and convenience of the detector. Better yet, it pays an even greater dividend : improved sensitivity (longer detection Range) and better selectivity, the ability to reject non-police signals that cause false alarms.

A Radar Detector for your car or truck are a great investment. they are available at a cheap or discount price online. Chose from a selection that includes cordless radar detector or laser jammer from Bel, Cobra, Escort, Rocky Mountain, and Phantom. Usually online merchants have great customer service policies as well as great deals on radar detectors.

Radar detector reviews

Refurbished radar detectors are radar detectors that consumers return to the manufacturers or retail stores during return period. They may be used or unused. The company reconditions them to sell as refurbished items. A specialty of refurbished radar detectors is that their prices are remarkably low and they provide the same benefit that a new radar detector offers.

Radar detectors generally reach factories or manufacturers for refurbishment due to various reasons like customer returns and cancellations, shipping damage, and cosmetic blemishes. Usually, radar detectors manufactured by leading companies come attached with warranty or return policy. Some customers return the products during this period, and the manufacturers, after making necessary changes, repack them as refurbished radar detectors. Shipping damage generally occurs due to mishandling of the equipment during packaging process, and cosmetic damages are in the form of scratch or dent.

Today, most of the companies as well as retail outlets have a section exclusively for refurbished radar detectors. The refurbishing process includes detailed inspection of the equipment, cleaning-up processes, and performance testing. In some instances, during the refurbishing process, the radar detectors are reassembled and tested electronically.

A refurbished radar detector offers the best value for your money. Usually, the cost of radar detectors with the most sophisticated technology is very high. By buying a refurbished radar detector, the customer acquires a most modern radar detector at very low rates, which is sometimes half the price of a new radar detector. For instance, if the price of a new radar detector is $300, the price of a refurbished one could be as low as $150 and sometimes even less. The price of refurbished radar detectors vary according to model and types.

It is always advisable to buy refurbished radar detectors from the original manufacturers or companies. It is also vital to check the warranty period of the refurbished radar detectors. Refurbished radar detectors can be purchased from authorized dealers, retail stores, and online stores.

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RFID Readers

Categories: RFID Readers | November 13th, 2007 | by | no comments

RFID is an acronym that stands for “radio frequency identification.” It is a continuously evolving technology that fundamentally is an automatic identification system that facilitates detection of objects. Purchases will be made easier when bar codes are replaced by RFID tags, also called smart labels. RFID tags are intelligent bar codes that can interact with a networked system for tracking every product that has been put in a shopping cart. They come in two types, namely, inductively coupled RFID tags and capacitively coupled RFID tags.

The basic function of an RFID reader is to communicate with an RFID tag by emanating radio waves through its antenna. RFID readers are categorized on the basis of their range, like UHF (ultra high frequency) and HF (high frequency), which are 13.56 MHz and 2.45 GHz. Their prices are also dependent on their ranges, therefore, UHF readers are the costliest, but prices range from $2500 to $3000.

There are three reasons for these readers being so expensive. First, there is no IC (integrated circuit) integration; second, there is a low quantity in production; and third, customized components are not available. However, according to a new calculation by a research company, the cost of UHF readers may go down by the end of 2006 or in 2007 since more and more dealers will invest into this technology. Also, as requirement levels increase, component costs will decrease.

A new analog front-end IC was launched by Colorado-based company, EM Microelectronic, which works for 13.56 MHz RFID readers. RFID Demonstration Reader, called EMDB408, was introduced by this company. It can be utilized as a reference design and development tool kit.

Also, a new antenna from Poynting Antennas was brought for the 860-960 MHz band. This particular range includes both the European Union and the U.S. RFID bands. RFID technology has bright prospects, and it can be beneficial to the mankind.

RFID Technology: A New Revolution

RFID technology brings revolution not only in functionality of tracking systems but in healthcare, libraries and field of manufacturing etc. also. Here I give you a brief description about RFID technology, hope it will be helpful for you.

Radio Frequency Identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders. An RFID tag is a small object that can be attached to or incorporated into a product, animal, or person. RFID tags contain silicon chips and antennas to enable them to receive and respond to radio-frequency queries from an RFID transceiver. Passive tags require no internal power source, whereas active tags require a power source.

RFID is the abbreviated form of Radio Frequency Identification. RFID is akin to the bar codes but in RFID the electro magnetic coupling is used to transmit signals. The main components of an RFID are silicon chips, an antenna and a transceiver that can be used anytime and anywhere. The passive RFID tags require no power source while active ones with power backup.

There are two types of RFID Systems: Near field and far field. Near-field systems are that in which inductive coupling of the tag employ to thereactive energy circulating around the reader antenna, Far-field systems that couple to the real energy contained in propagating electromagnetic plane waves.

RFID is like a tag in which information and instructions are stored. It can be used in a car manufacturing, into a dog collar etc. An RFID system can range up to 90 feet. Unlike barcode technology, RFID does not require line-of-sight reading on which a bar code depends and RFID scanning can be done at greater distances than bar code scanning.

The reader contains a radio frequency module, a signal processing and micro controller unit, a coupling element and the interface to a host system. There are many different kinds of readers on the market, such as desktop, hand-held, tunnel or gate/gantry style readers. The host system controls the data flow between the readers and tags. It can be as simple as a personal computer connected to the reader by an RS-232 serial cable.

RFID has a plethora of uses. While initially the technology was just confined to tracing or identifying dogs, for a means of permanent identification number, the uses of RFID have simply multiplied over the years. Today RFID technology is seen in almost every field. Be it medicine, education (like library work), shipping, electronic devices automobiles, musical instruments, tracking movements of individuals via their passports etc, everywhere the RFID technology is at work.

Everything You Ever Wanted To Know About RFID

We all have of course seen James Bond attaching a small chip on an enemy’s overcoat to track the bad guy enemy. The spy-chip he used was actually the RFID system. RFID means Radio Frequency Identification method. This system uses transponders to store and remotely retrieve stored data. In the RFID method, these transponders are also known as RFID tags. Currently, RFID is used everywhere. From animal tracking to container tracking, and credit cards to library cards, we see the use of RFID. Some of the RFID applications can even remove human intervention completely.

Generally, an RFID system has tags, tag readers, servers and application software. The tags are mobile devices with digital memory chips and unique identification codes that transmit the data, which is then read by the tag reader. Further processing is done by application software according to the need.

Though relatively expensive, RFID provides the advantage of having multiple independent data sources on one chip. And when one thinks of long-term gains, RFID is the future. RFID technology not only provides greater functionality but also greater clarity. But, as every coin has two sides, RFID technology has some side effects too. The use of RFID creates the problems about the privacy of an individual. These concerns mainly rise from the RFID tags attached to products consumers buy.

Thus, great technologies like RFID must be judiciously used to enjoy the benefits from it. Once the negative issues are removed by standardization and by law then RFID will definitely be useful for mankind.

The Relationship Between RFID Technology and ID Cards

The relationship between RFID technology and ID cards is close and personal. While both types of identification work extremely well individually, their efficacy together is amazing. For example, while it is conceivable that even the best ID cards can be forged, or lost and used by unscrupulous individuals, a card using RFID technology offers numerous protections.

If a card is lost, but has an RID tag, it can easily be tracked. While this may not lead to the apprehension of the individual who originally took it, it could lead to the card itself, and any damages could then be reversed.

Another, simpler way that RFID technology helps in the use of ID cards is via readers, the strongest of which can scan information up to thirty meters or more away. This displaces the tedium of a physical reader and allows people in the area to use the system more effectively.

This is especially important in work environments and places like schools with a high volume of people. If people simply have to flash their card at a reader, this speeds up traffic a great deal. Besides work and school environments, RFID technology and ID cards work in many other ways as well.

A scenario that this combination would prove extremely capable at aiding would be traffic crossing tolls on bridges. An ID card could have an RFID tag that would allow for a prepaid toll card. The driver would then flash the card at the reader as they drove by; they would only have to slow down, not stop, and wouldn’t have to fumble for change or money.

In fact, RFID tags are used in this way already, although without the ID card, in the Bay Area as an optional payment method for traffic crossing the Golden Gate Bridge. Called the ‘FasTrak’ the tag is mounted in the window and operates on a prepaid system so all the car has to do is slow down to be read and then continue on its way.

RFID : Is Radio Frequency ID the Wave of the Future?

Here’s something you don’t often hear – how are you dealing with ‘rifid’? OR RFID. If you DO often hear it, then this article isn’t for you, it’s far too simplistic. However, if you have never heard of RFID before, read on. It might just change your life, or at least the way you organize it. Radio Frequency Identification or RFID is the use of radio waves to identify objects; in English, the ability to track items without coming into contact with them. This is accomplished by a microchip attached to an antenna called transponders or ‘tags’. The chip transmits ID information to the receiver which converts it to a digital format which is then read by a computer.

RFID isn’t new, its been with us in its current guise since the early 80s, and around since the 1920s – you know the tag that they stick on jackets in the clothes store to stop you stealing them… However, its just grown up; businesses can track products throughout the manufacturing process from start to finish. These items can be tracked while in trucks, on shelves, wherever.

The Benefits of RFID include:
1. The ability to eliminate time consuming bar-coding or other tracking processes. Instead, all data can be collected along the production line. This also helps to lower production costs.
2. Prevention of the distribution of counterfeit products.
3. Elimination or reduction of theft and loss.
4. Reduction of supply chain cost.
5. Elimination of data entry and other tedious manual business process transactions.
6. Increase in order fulfillment time
7. Less time spent in check out lines, as consumers will only have to push their shopping carts in front of the readers.

The predominant downside is the high cost of the RFID hardware. Where tags alone can cost twenty five cents each or more, many retailers won’t get much of a return, if any, on their investment.

It’s hoped that Wal-Mart, the Defense Department and others will start using RFID, which could cause the prices of the tags to drop to five cents each, making it a more affordable solution for many.

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