Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1991-04-25
1994-07-12
Ng, Jin F.
Telephonic communications
Audio message storage, retrieval, or synthesis
379 61, 379 58, H04M 1100
Patent
active
053295757
ABSTRACT:
A cordless communication system includes a plurality of cordless communication devices, a plurality of connection units which couple the cordless communication devices and communication lines, and a control unit which controls connections between the connection units and the cordless communication devices. The control unit includes a retrieval range specifying part for specifying idle channel retrieving ranges within which connection units which are idle respectively retrieve idle channels so that the connection units which are idle share a retrieval procedure for retrieving idle channels from all the channels, and a control part for controlling the connection units so that the connection units which are idle retrieve idle channels within the idle channel retrieving ranges specified by the retrieval range specifying part.
REFERENCES:
patent: 4672657 (1987-06-01), Dershowitz
patent: 4744101 (1988-05-01), Saegusa
patent: 4881271 (1989-11-01), Yamauchi et al.
patent: 4894856 (1990-01-01), Nakanishi et al.
patent: 4932049 (1990-06-01), Lee
patent: 4965849 (1990-10-01), Kunihiro
Fujitsu Limited
Ng Jin F.
Oehling George J.
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