USB Barcode Scanners – Use The USB Interface For Connection To A Computer


These days there are a number of different types of barcode scanners available in the market. You can select one depending on your specific requirement. Some of them use wireless or some are handheld. USB barcode scanners use USB to perform their function. In USB barcode scanners power is supplied by the USB port. In USB keyboard wedge barcode scanners, it appears as if the information was entered through the keyboard.

First of all it is important to know what USB is. USB stands for Universal Serial Bus and it is a device interface for connection to a computer. It can transfer data at a much faster speed than almost all other interfaces. Up to 127 devices can be attached to a single USB port. It is used to supply power to various USB-based peripheral devices.

A USB barcode scanner basically helps your cashier to thoroughly scan the product. All the important details of the product such as product code, category, and price are known after first decoding a record number, which is encoded in the barcode. All this is done at a much faster speed and in an easy way, which is made possible due to the USB interface provided on the USB. The information which is recorded can be easily retrieved. This feature of easy retrieval of data helps to generate the data related to accounts. These are useful at places such as libraries or retail shops.

Let us discuss some USB barcode scanners:

USB1D Barcode Scanner:

These scanners are made for POS (Point of Sale) or office use. In all it consists of three interfaces called USB, RS-232 and keyboard wedge. The entire unit is covered by an ABS plastic case. All linear barcodes are read by this unit. It reads code with a width of approximately 0.005. This keyboard wedge model is basically used to insert a barcode into the application. A computer keyboard is used to insert input in these applications. Software need not be modified and barcodes are enabled. The data appears as if it was entered from the keyboard. The USB model is almost like the keyboard wedge model, the only difference is that a USB port is used for connection. There is another important feature called ASCII character translation table in which some ASCII characters that are unprintable are converted into function keys. You can use this with full ASCII barcodes. Other important features include:

The cable which can be replaced easily All common barcodes are read The ASCII translation table Can be used for POS

2D Barcode Scanner:

A 2D barcode scanner is able to read all two-dimensional barcodes as well as linear barcodes. It consists of three interfaces RS-232, keyboard wedge and USB. The entire unit is covered by an ABS plastic case. Barcodes are read by a width of approximately 0.004. The scanned barcodes data appears in the same manner as if it was entered from the keyboard. This model performs all functions by connecting to a USB port. Other features include:

The scan rate is high. It can read both two dimensional and linear barcodes. It can be easily configured to barcode menus. ASCII translation tableIncludes a cable that is easily replaceable

So, USB barcode scanners are barcode scanners that are provided with the USB interface for connection to a computer. For more information on these devices, you can search on the Internet.

Barcode Readers