Tag Archives: Code

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 conveyor 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!

Point of sale components provides the best collection of barcode scanners, barcode printers and decoders, bar code labels, bar code label printers, bar code label software, bar code labels or, we have it. For more details please visit Point of sale components [http://www.pointofsalecomponents.com/]

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Augmented Reality – When Code Comes to Life

By definition, augmented reality is any view of a physical real-world environment whose elements are augmented by virtual computer-generated imagery. As a technology is growing rapidly, and its uses are now broadening to other platforms outside its early introduction in network sporting events.

Typically augmented reality is associated with ultra futuristic, cranial displays such as seen in movies like The Terminator. However, more familiar hardware is actually where we see the innovation of augmented reality heading. The combination of mobile computing and information-heavy, user-generated services have created a breading ground for new augmented reality applications that are pushing the limits on what we thought was possible.

The advancement of microprocessors and mobile computing has transformed augmented reality from a science fiction pipedream to an actual viable technology.

Many of the Smartphone and mobile computing devices on the market today, including the Apple iPhone™ and the Android™ phones, include built-in GPS as well as a compass which intern means that these devices have location detection. This is important because many of the current uses for AR rely on knowing the devices’ location in Cartesian space. Some applications provide directions while others provide location relevant data such as directions, events, and more. Currently, both the Android and the iPhone have AR applications that are available for download. Dishpointer is an example of such an application. The Dishpointer application allows satellite installers to find the nearest satellite. By simply by holding up their phone to the sky, a satellite installer can get a virtual overlay of the nearest satellites line of sight.

Investors are getting into the AR game as well. In early 2010 the eastern Washington state based company Gravity Jack secured $ 250,000 in investment money for development of a new kind of AR application. The patented augmented reality concepts that Gravity Jack is working on held so much promise that the upstart company actually had to turn away some investors since it has an existing revenue model.

Its not only start-ups that are looking at this technology. Researchers from Research and Markets (R&M) claim that both Apple and Sony are developing wearable, head-mounted video displays while General Motors is working on an AR windshield that uses a compact laser reflection to superimposes messages and graphics on the windshield. The University of Washington is working on a proof of concept augmented reality contact lenses, and though it has only been tested on rabbits, scientists believe that this type of technology will be the future of AR.

A recent trend that has emerged in the AR space is that of using augmented reality code in advertising campaigns. More and more companies are finding ways to utilize AR into their website branding. During the release of the movie Avatar, Coke developed a campaign that allowed users to see a 3D ship appear from their screen. The ship appeared when users held up specially branded coke cans to their webcam. Ray-ban has used augmented reality code on their website in such a way that users can see what various sun glasses will look like when worn.

Many people feel that AR will change the way people interact with the online world. As the technology advances the real world and the online world will become more and more intertwined. Though augmented reality is still really in its infancy as a technology it is something to be watched.

Adam Chronister is the founder of Accelerated Freelance Spokane Website Development, Spokane SEO

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