Cellular portable telephone battery pack and programmer interfac

Details Cellular portable telephone battery pack and programmer interfac Cellular portable telephone battery pack and programmer interfac

1990-10-12

1992-10-13

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, 4551861, 379 58, 379412, H04B 138, H04B 1702

Patent

active

051558602

ABSTRACT:
An apparatus that includes various connectors, a battery compartment, and a circuit card is disclosed. The apparatus serves as a battery pack and programmer interface unit (BP/PIU) which mates with a cellular portable telephone (CPT) transceiver to form a CPT assembly. The CPT assembly is specifically adapted for use in connection with an automated registration and registration cancellation system, such as that utilized in the management of rental CPTs. The battery compartment is enlarged so that rental CPT assemblies may be used for a reasonable rental period without requiring a battery recharge. Electrical circuits protect various ones of signals provided at a communications port of the CPT transceiver. Connectors are arranged to permit a CPT programmer to read and program CPT parameters without disassembling the CPT assembly.

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