Power pack with concealed radio transmitter for portable cellula

Details Power pack with concealed radio transmitter for portable cellula Power pack with concealed radio transmitter for portable cellula

1989-11-17

1991-03-19

Kuntz, Curtis

Telecommunications

Transmitter and receiver at same station

Having particular housing or support of a transceiver

455127, 455343, 320 2, 361422, H04B 138

Patent

active

050017721

ABSTRACT:
The present power pack for a portable cellular telephone has a concealed radio transmitter for law enforcement use. The usual battery compartment in the housing of the power pack has a shortened battery compartment above which are located interior walls of the housing which are notched or recessed to support a printed circuit board carrying a radio transmitter. The housing has a shallow recess on the inside in which an antenna is potted. A space inside the housing receives a microphone for the radio transmitter. An opening near the lower end of the housing receives a push button switch for powering the transmitter from batteries in the shortened battery compartment.

REFERENCES:
patent: 4558270 (1985-12-01), Liautaud et al.
patent: 4803473 (1989-02-01), Taylor
patent: 4823397 (1989-04-01), Hewitt
patent: 4873479 (1989-10-01), Iimura et al.
patent: 4903326 (1990-02-01), Zakman et al.

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