Telecommunications – Radiotelephone system – Including private cordless extension system
Patent
1996-02-22
1999-07-27
Bost, Dwayne D.
Telecommunications
Radiotelephone system
Including private cordless extension system
455450, 455453, H04Q 720
Patent
active
059307200
ABSTRACT:
A cordless telephone set having a base unit and handset units and enabling communications using a channel selected from a plurality of channels. The cordless telephone set comprises apparatus for storing a specified number of channels selected by the telephone apparatus and storing historical channel use data. Whether or not a channel is unused is determined and channels used with high frequency with the data stored in the first storage are changed to those used with low frequency according to the historical use data. Channels that are stored are progressively specified prior to a start of call and a specified channel is selected, if it is determined that the channel is an unused one.
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Hikuma Hideo
Ishida Hiroyuki
Kudo Takahiro
Zhao Min
Bost Dwayne D.
Legree Tracy M.
Uniden Corporation
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