Integrated communication system for ensuring effective use of ch

Details Integrated communication system for ensuring effective use of ch Integrated communication system for ensuring effective use of ch

1989-03-24

1991-01-29

Ng, Jin F.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379215, H04M 1100

Patent

active

049892355

ABSTRACT:
An integrated communication system comprising a transfer path including first and second channels, a first terminal including a section for transmitting a first signal and generating a channel change code, an exchange section coupled to the transfer path and the first terminal, for generating a switching command in response to the channel change code from the first terminal, and exchanging the first signal between the first terminal and the second channel in accordance with the switching command, the first signal being exchanged between the first channel and the first terminal when the switching command is not generated, and a second terminal coupled to the transfer path and including a section for receiving the switching command from the transfer path, and receiving the first signal from the second channel in accordance with the switching command.

REFERENCES:
patent: 4715059 (1987-12-01), Cooper-Hart et al.
patent: 4794639 (1988-12-01), Urui et al.
patent: 4852151 (1989-07-01), Dittakavi et al.

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