Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

Reed switches in Barcode Scanners

Barcode Scanner

Barcode scanners in supermarkets can be clicked on to a docking system that is integrated with the check-out conveyor belt to scan automatically once the belt has indexed to a new item. During this automated scanning, some items may not be at the same level as the barcode scanner’s field of view and the scanner will need to be removed from the dock and turned to face the barcode on the item. A reed switch on the dock and a magnet inside the scanner are used and whenever the scanner is removed from the dock to conduct a manual scan, the signal from the reed switch is used to ensure that the belt does not index. The information regarding which items require a manual scan is saved and used for further improvement of the check-out system.

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