Article surveillance tag activation and deactivation system

Details Article surveillance tag activation and deactivation system Article surveillance tag activation and deactivation system

G - Physics

08

B

340/124.3

G08B 13/24 (2006.01)

Patent

CA 2032395

In an electronic article surveillance system, a low-power supply is used to power the system during ordinary search-and-detect operation, and the increased power needed to transmit high-power signals for deactivating the tag circuit is produced by charging up a rechargable storage device, such as a capacitor or rechargable battery, in the intervals between deactivations and using the charged-up storage device to provide the high supply power needed during deactivation, to generate the deactivation transmission.

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