Radio Telecommunication apparatus

Details Radio Telecommunication apparatus Radio Telecommunication apparatus

1994-08-29

1997-02-11

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 59, 379 61, 379 63, H04Q 720

Patent

active

056029004

ABSTRACT:
The cellular mobile telephone apparatus comprises a radio unit having an antenna, and a telephone unit which is connected to the radio unit via a line and is formed of a main unit and handset. To originate a call, a user dials the telephone number of an other party to be called. When the dialing is detected, a calling tone indicating to the user that the call being originated is generated from a speaker of the telephone unit. To start speech communication, it is necessary to designate and capture a speech channel in the radio channel. When the capture of the designated speech channel is detected, the calling tone is stopped. After the communication, there are three types of terminating the call. At the end of communication, the type of the termination is detected and the corresponding synthesized voice message is generated.

REFERENCES:
patent: 4718080 (1988-01-01), Serrano et al.
patent: 4939766 (1990-07-01), Umemoto et al.
patent: 4945570 (1990-07-01), Gerson et al.
patent: 5233641 (1993-08-01), Maeda

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