Adapter unit for a portable radio telephone enabling either one of data transmission and hand-free operation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 31, 1996
Grant Date -
N/A
app pub date -
Jan 9, 1992
filing date -
Jan 11, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An adapter unit for a portable radio telephone is disclosed. The adapter unit is selectively used for either one of the data transmission and the hand-free operation in response to a control signal from the portable radio telephone. The signal paths for the data transmission and the hand-free operation may be established in the adapter unit when the portable radio telephone is attached to the adapter unit. The adapter unit may be activated upon a connection of the portable radio telephone and the adapter unit.
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Family
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Cited Art Landscape
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