Mobile telephone with amplified listening
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 14, 2000
Grant Date -
N/A
app pub date -
Jul 28, 1998
filing date -
Sep 17, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention discloses a mobile telephone of the cordless or cellular type which has a front face including an earphone and a microphone, and a back face. According to the invention, the opening area of the loudspeaker is situated, through the wall of the telephone, around a circular area of 27 mm in diameter, called closing area, situated opposite the loudspeaker and sound-proof on transmission.
First Claim
Family
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Cited Art Landscape
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