Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate
2011-08-30
2011-08-30
Tso, Edward (Department: 2858)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
C320S148000, C324S076160
Reexamination Certificate
active
08008948
ABSTRACT:
A peak voltage detector circuit detects a peak voltage of an input voltage. The input voltage is input into a first input terminal of a comparator. A counter circuit counts up a counter value in synchronization with a first clock signal, when a signal output from the comparator is in a first state. The counter circuit counts down the counter value in synchronization with a second clock signal. A digital-analog conversion circuit outputs an output voltage corresponding to the counter value, and the output voltage is input into a second input terminal of the comparator. The first clock signal has a wave period shorter than that of the second clock signal.
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Notice of Reasons for Refusal mailed on Oct. 19, 2010 issued from the Japanese Patent Office in the corresponding Japanese patent application No. 2007-178498 (with English translation).
Hosokawa Hideki
Iwamoto Reiji
Makino Yasuaki
Nakatani Shinji
Oba Nobukazu
Denso Corporation
Posz Law Group , PLC
Ruiz Johali A Torres
Tso Edward
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