Channel selecting cordless telephone

Details Channel selecting cordless telephone Channel selecting cordless telephone

1995-08-30

1998-06-16

Bost, Dwayne

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, 455 341, H04Q 720

Patent

active

057683450

ABSTRACT:
Plurality of radio channels include a first radio channel group having channel(s) permitted to be used only when the radio channels are not being used by other device, a second radio channel group available for communication regardless of whether the radio channels are being used by other device, a base unit and/or a handset unit therein comprises a first memory unit for storing radio channels in first and second radio channel groups, a determining unit for determining whether a specified radio channel is busy, a control unit for specifying a radio channel in the first radio channel group prior to start of call and determining whether the radio channel is busy, selecting the radio channel if not busy, and otherwise one radio channel from the second radio channel group.

REFERENCES:
patent: 4872205 (1989-10-01), Smith
patent: 5418839 (1995-05-01), Knuth et al.

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