Mobile phone interface

Details Mobile phone interface Mobile phone interface

1987-07-17

1989-05-23

Lev, Robert

Telephonic communications

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

Including fiber optic link within telephone network

379 61, 455 90, H04Q 704

Patent

active

048337005

ABSTRACT:
An interface for establishing telephonic communication between a transceiver disposed within the interior of a vehicle and an externally disposed telephone station includes a cradle adapted to retain the handset of the external telephone station, receive signals therefrom, and transmit those signals to the internal transceiver. The handset cradle is further adapted to receive electrical signals from the internal transceiver and transmit them to the external handset. In this manner, full duplex telecommunication is achieved. The invention may further include provisions for establishing wireless communication between the internal transceiver and the handset cradle, and may be specifically adapted to link an external telephone system to a telephone station within the interior of a motor home or truck. The invention was registered under the Disclosure Document Program as Disclosure Document No. 165429.

REFERENCES:
patent: 3449750 (1969-06-01), Sweigert
patent: 3476882 (1969-11-01), Vogelman et al.
patent: 3803366 (1978-04-01), Ishii et al.
patent: 3919491 (1975-11-01), Luce
patent: 4005269 (1977-01-01), Willis
Seki et al, "Detachable Unit Service in 800 MHz-Band Cellular Radiotelephone System", IEEE Communications Magazine, 2/86, vol. 24, No. 2.

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