In the world of retail there can't be many more revolutionary products than the handheld barcode scanner. The advantage of this kind of scanner is it is so simple to use. Just point it in the barcode, press the trigger and the job is done. And since it is worked yourself anyone using one of these simple pieces of equipment is more unlikely to make a mistake.
As it happens handheld barcode scanners are connected to the computer by a cable. There are handhelds which are connected up wirelessly. There's no cable restricting how far the scanner can be used from the computer; the only real limit is the selection of the wireless signal. They could be small enough to fit into a pocket. The purists don't class these scanners as handheld, instead they will use the term "wireless barcode scanner." However, these scanners do offer exactly the same ease of use as the handheld variety.
cash register - The handheld scanners that a lot of people will be using will utilise a couple of scanning technologies, the laser and the LED. Lasers remain the most popular, despite the introduction of LED scanning technology during the last few years.
With laser scanning technology the scanning unit includes a laser diode. The laser diode generates a dot which becomes the laser beam by being projected into a vibrating mirror. The beam of light is then scanned over the barcode.
LED is a newer type of scanning technology and the handheld barcode scanners incorporating it tend to be more durable. Also LED is a lot more versatile in the type of barcode it can read - it can be used to scan horizontal barcode symbols as well as the more typical vertical ones. The sensor then picks up the reflected light as well as the data is converted into ASCII text.
point of sale system - One decision that anyone considering using a handheld unit within their business is whether to stay with the conventional 1D type of scanner or the newer 2D units. The 2D scanners have become more popular as they provide more, especially obviously the ability to read the new 2D barcodes for example data matrix. These barcodes can hold much more information than the 1D type can which obviously ensures they are attractive to use. However, the 2D handheld scanners do cost far more than the 1D units. Obviously in case your business can manage with the capacity restrictions of the 1D barcode then there is no real must upgrade. Of course the converse can often happen and many more businesses are now turning to the higher specification units.
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