Adapter for mounting a portable telephone on a vehicle

Details Adapter for mounting a portable telephone on a vehicle Adapter for mounting a portable telephone on a vehicle

1989-11-17

1990-11-27

Ng, Jin F.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379441, 379446, 379454, 379455, H04M 1100

Patent

active

049742507

ABSTRACT:
An adapter for mounting a portable telephone on a vehicle allows either one of a simple handset and a multi-function handset to be used therewith as desired. The adapter does not need a power switch and associated circuitry and, therefore, reduces the overall weight and size of a portable telephone system. When a multi-function handset is used with the adapter, the adapter is switched on and off by a power switch which is provided on the handset. When a simple handset is used with the adapter, the adapter is switched on and off by an ignition switch which is provided on the vehicle. Further, the adapter promotes easy and convenient use of a handset because it automatically adapts itself to both of a multi-function handset and a simple handset.

REFERENCES:
patent: 4196319 (1980-04-01), Gates

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