Telecommunications – Transmitter and receiver at separate stations
Patent
1983-10-18
1986-12-09
Ng, Jin F.
Telecommunications
Transmitter and receiver at separate stations
455 58, 455 38, 455 77, 371 34, 34082554, H04B 700
Patent
active
046285377
ABSTRACT:
A communications system for identifying a responding station called by a communications system caller station over a call channel and a plurality of speech channels. The system transmits information from the caller station, such as the selected speech channel and the designated responding station through the call channel, and receives information from a responding station on the selected speech channel. The communication between the communications system and the responding station on the selected speech channel is enabled only when information from the responding station is identical to information of the designated responding station transmitted from the communications system.
REFERENCES:
patent: 3535636 (1970-10-01), Muilwijk
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patent: 3955140 (1976-05-01), Stephens et al.
patent: 4014004 (1977-03-01), Fuller
patent: 4144412 (1979-03-01), Ito et al.
patent: 4228319 (1980-10-01), De Jagger et al.
patent: 4352955 (1982-10-01), Kai et al.
patent: 4360927 (1982-11-01), Bowen et al.
patent: 4392242 (1983-07-01), Kai
patent: 4400585 (1983-08-01), Kaman et al.
Inoue Takao
Kawamura Katsuaki
Kuroda Kei-ichi
Shimakata Masashi
Shioya Yuichiro
Ng Jin F.
Pioneer Electronic Corporation
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