Oscillators – With frequency adjusting means – With voltage sensitive capacitor
Reexamination Certificate
2009-09-17
2011-12-13
Chang, Joseph (Department: 2817)
Oscillators
With frequency adjusting means
With voltage sensitive capacitor
C337S337000
Reexamination Certificate
active
08076986
ABSTRACT:
A switching capacitor generation circuit which reduces the on-resistance and parasitic capacitance of a switch element and improves the operation properties of the switch element. The switching capacitor generation circuit, which has first and second output terminals, includes a first capacitor coupled to the first output terminal, a second capacitor coupled to the second output terminal, and a single switch element coupled between the first and the second capacitors.
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patent: 6815996 (2004-11-01), Hsiao
patent: 2004/0080374 (2004-04-01), Muramatsu
patent: 2008/0129398 (2008-06-01), Sun et al.
patent: 63-103505 (1988-05-01), None
patent: 08-195667 (1996-07-01), None
patent: 11-176163 (1999-07-01), None
patent: 2004-140471 (2004-05-01), None
Arent & Fox LLP
Chang Joseph
Fujitsu Semiconductor Limited
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