Amplifiers – With periodic switching input-output
Reexamination Certificate
2011-06-14
2011-06-14
Choe, Henry K (Department: 2817)
Amplifiers
With periodic switching input-output
C330S069000
Reexamination Certificate
active
07961042
ABSTRACT:
An amplifier circuit, includes: a first amplifier; a second amplifier; a first capacitor connected to the first amplifier; a second capacitor having one terminal connected to the first amplifier, another terminal connected to the second input terminal; and a first switch circuit switching a connection of the output terminal, the another terminal of the first capacitor, the first input terminal and the second input terminal, and switching supplying a reference potential supply, the first switch circuit including: a first state connecting the first input terminal to the second input terminal, connecting the output terminal to the another terminal of the first capacitor, and supplying the second input terminal with the reference potential, a second state connecting the first input terminal to the another terminal of the first capacitor and providing the output terminal and the second input terminal in an open state.
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patent: 7852254 (2010-12-01), Ginetti
patent: 2008/0197834 (2008-08-01), Takeda
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patent: 2008-236737 (2008-10-01), None
Choe Henry K
Kabushiki Kaisha Toshiba
Turocy & Watson LLP
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