Alarm system for a portable device

Details Alarm system for a portable device Alarm system for a portable device

2006-03-07

2006-03-07

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S568700, C340S571000, C340S457100, C340S008100

Reexamination Certificate

active

07009512

ABSTRACT:
The alarm system is for preventing loss or theft of a portable and/or movable device. The alarm system has a first portable and/or movable device provided with a first communication device operable for wireless communication with another communication device. A second portable and/or movable device is provided with a second communication device operable for wireless communication with another communication device. At least one of the first and second communication devices is configured to generate an alarm signal when a distance (D) between the first and second communication devices exceeds a predetermined distance (d).

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