Telecommunications – Transmitter – With electrical protection of transmitter circuit or operator
Reexamination Certificate
2006-02-14
2006-02-14
Nguyen, Duc M. (Department: 2685)
Telecommunications
Transmitter
With electrical protection of transmitter circuit or operator
C455S127100, C455S127500, C455S572000, C455S343100, C455S127500, C323S299000
Reexamination Certificate
active
06999736
ABSTRACT:
A DC voltage input through an input terminal is applied through an inductor, to a power supply circuit unit and an input voltage detecting circuit. The input voltage detecting circuit detects the input DC voltage and when it is detected that the input voltage value may possibly cause malfunction, a control circuit turns off a switch circuit based on the detection output, whereby power supply from the power supply circuit to a transmission circuit is stopped, and malfunction of the transmission circuit is prevented.
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patent: 2000-209848 (2000-07-01), None
Nguyen Duc M.
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
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