Variable capacitor, resonator and modulator

Details Variable capacitor, resonator and modulator Variable capacitor, resonator and modulator

2011-06-21

2011-06-21

Chang, Joseph (Department: 2817)

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

C361S281000

Reexamination Certificate

active

07965491

ABSTRACT:
Provided is a variable capacitance element comprising a plurality of single capacitance elements that each include (i) a fixed electrode provided on a surface of a substrate, (ii) a floating electrode provided to be separate from the fixed electrode and facing the fixed electrode, and (iii) an actuator that moves the floating electrode closer to or farther from the fixed electrode; and a floating electrode driving section that supplies the actuators with drive power to move the floating electrodes, such that a combined capacitance of the plurality of single capacitance elements becomes a prescribed capacitance.

REFERENCES:
patent: 2003/0179535 (2003-09-01), Shimanouchi et al.
patent: 2004/0075158 (2004-04-01), Nakayama
patent: 2005/0180089 (2005-08-01), Nakayama
patent: 2005/0190526 (2005-09-01), Nakayama
patent: 2005/0254195 (2005-11-01), Nakayama
patent: 2006/0292729 (2006-12-01), Ohguro
patent: 2007/0025050 (2007-02-01), Shimanouchi et al.
patent: 2008/0007888 (2008-01-01), Morris et al.
patent: 2003-124063 (2003-04-01), None
patent: 2004-006588 (2004-01-01), None
patent: 2004-127973 (2004-04-01), None
patent: 2004-172504 (2004-06-01), None
patent: 2006-165380 (2006-06-01), None
International Search Report (ISR) for PCT/JP2007/070207 (the parent application of this continuation application).

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