Self defense cellular telephone

Details Self defense cellular telephone Self defense cellular telephone

2002-08-14

2008-11-25

Bhattacharya, Sam (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S550100

Reexamination Certificate

active

07457636

ABSTRACT:
The present invention teaches an economical disposable emergency cellular telephone. A major object of this invention is a cellular telephone providing a self-defense capability to a user by generating high voltage shocks. A further object of the invention is a new technique for having a large number of cellular phones share the same small group of access numbers and serial numbers in order to reduce the monthly charges to zero for the end consumer. This makes it more practical to use cellular phones for data transmission and monitoring applications.

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patent: 6052051 (2000-04-01), Whalen
patent: 6254249 (2001-07-01), Kim et al.

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