Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-03-20
2007-03-20
Nguyen, Tony T. (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S550100, C455S575100, C340S388400, C379S373040
Reexamination Certificate
active
10200918
ABSTRACT:
An electric-mechanical-acoustic-transducer includes a diaphragm; a movable section; a driving section for generating a driving force for vibrating the diaphragm and the movable section; and a suppression section for suppressing a sharpness (Q factor) of a vibration force obtained by the vibration of the movable section.
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Saiki Shuji
Usuki Sawako
Nguyen Tony T.
RatnerPrestia
LandOfFree
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