Stimulus-dependent electronic device

Details Stimulus-dependent electronic device Stimulus-dependent electronic device

2006-11-21

2006-11-21

Le, Danh Cong (Department: 2617)

Telecommunications

Radiotelephone system

Programming control

C455S418000, C455S410000, C455S456100, C455S419000, C340S010330, C340S010500, C340S572100

Reexamination Certificate

active

07139560

ABSTRACT:
Herein is disclosed a method, system, and apparatus for dettering theft of portable electronice devices. A portable electronic device is rendered incapable of properly operating after being powered down, without at least some exposure for some time to a given stimulus during a subsequent power-up sequence. A source of the stimulus is provided within a locality from which the devices are not to be removed. Transmission of the stimulus is limited to a region of space within the locality.

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patent: 2002/0039916 (2002-04-01), Hosoi
patent: 2002/0149468 (2002-10-01), Carrender et al.

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