Cordless telephone apparatus having means for synchronizing channel scanning of fixed and portable units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 7, 1987
Grant Date -
N/A
app pub date -
Apr 28, 1986
filing date -
Apr 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
According to the invention, there is provided a cordless telephone apparatus having: a fixed unit and a portable unit, each having a control device for channel scanning to determine whether or not each of a plurality of channels is engaged, the portable unit being battery charged when it is attached to the fixed unit; a connecting line for transmitting and receiving signals between the two control devices when the portable unit is attached to the fixed unit; and a system for synchronizing the channel scanning processes of the two control devices through the connecting line.
First Claim
Family
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Cited Art Landscape
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