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Class Information
Number: 361/277
Name: Electricity: electrical systems and devices > Electrostatic capacitors > Variable
Description: Subject matter wherein the capacitance of the capacitor can be altered.










Sub-classes under this class:

Class Number Class Name Patents
361/279 Gas or vacuum dielectric 46
361/287 Mechanically variable 78
361/280 Responsive to external condition 217
361/278 With significant electrode or terminal feature 270


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8693162 Electrostrictive resonance suppression for tunable capacitors Apr. 8, 2014
8675337 Variable capacitor and filter circuit with bias voltage Mar. 18, 2014
8665579 Variable capacitor, matching circuit element, and mobile terminal apparatus Mar. 4, 2014
8659868 Variable capacitor and method for driving the same Feb. 25, 2014
8627566 Method for packaging a microelectromechanical system (MEMS) device Jan. 14, 2014
8570705 MEMS sprung cantilever tunable capacitors and methods Oct. 29, 2013
8564928 MEMS device having a movable structure Oct. 22, 2013
8508910 MEMS device Aug. 13, 2013
8503157 MEMS device Aug. 6, 2013
8498094 Semiconductor variable capacitor Jul. 30, 2013
8487718 Capacitor, resonator, filter apparatus, communication device, and electric circuit Jul. 16, 2013
8467169 Capacitors adapted for acoustic resonance cancellation Jun. 18, 2013
8441773 Electronic element, variable capacitor, micro switch, method for driving micro switch, and MEMS type electronic element May. 14, 2013
8429809 Method of manufacturing a micro-electromechanical system (MEMS) device Apr. 30, 2013
8432083 Energy recovering device with a liquid electrode Apr. 30, 2013
8432661 Microstructural body and production method therefor Apr. 30, 2013
8427808 Variable capacity element Apr. 23, 2013
8400752 Capacitors adapted for acoustic resonance cancellation Mar. 19, 2013
8385045 Variable capacitor, control method thereof, electronic device and communication mobile device Feb. 26, 2013
8379364 Construction system for a capacitive sensor Feb. 19, 2013
8373967 High-speed differential AC coupling device Feb. 12, 2013
8363379 Altering capacitance of MIM capacitor having reactive layer therein Jan. 29, 2013
8340615 Selectable capacitance circuit Dec. 25, 2012
8339764 MEMs devices Dec. 25, 2012
8320100 Varactor element and electronic device Nov. 27, 2012
8300383 Variable capacitor Oct. 30, 2012
8300384 Air variable capacitor comprising an interdigital mobile comb and fixed comb, accelerometer and gyrometer comprising such a capacitor Oct. 30, 2012
8295027 MEMS device with integral packaging Oct. 23, 2012
8288895 High-power tunable capacitor Oct. 16, 2012
8274324 Electrostatic actuator apparatus Sep. 25, 2012
8259431 Variable capacitor array, variable capacitor array device and circuit module Sep. 4, 2012
8248750 Electroactive polymer transducers Aug. 21, 2012
8248751 Drive system for variable vacuum capacitor Aug. 21, 2012
8243417 Variable capacitor and electronic device Aug. 14, 2012
8238073 In-molded capacitive sensors Aug. 7, 2012
8218285 Variable capacitance element Jul. 10, 2012
8198538 Capacitor devices having multi-sectional conductors Jun. 12, 2012
8194386 Arrangement of MEMS devices having series coupled capacitors Jun. 5, 2012
8194387 Electrostrictive resonance suppression for tunable capacitors Jun. 5, 2012
8189300 Multi-layer capacitive transducer with mult-dimension operation May. 29, 2012
8174306 Electrostatic actuator apparatus May. 8, 2012
8174163 Device for assisting relative movements between two parts of a mechanical system, forming a variable capacitance device May. 8, 2012
8169770 Semiconductor integrated circuit including circuit for driving electrostatic actuator, micro-electro-mechanical systems, and driving method of electrostatic actuator May. 1, 2012
8149564 MEMS capacitive device and method of forming same Apr. 3, 2012
8112852 Radio frequency tunable capacitors and method of manufacturing using a sacrificial carrier substrate Feb. 14, 2012
8102638 Micro electromechanical capacitive switch Jan. 24, 2012
8064186 Method of manufacturing capacitive elements for a capacitive device Nov. 22, 2011
8059385 Substrates with slotted metals and related methods Nov. 15, 2011
8045318 Tunable capacitor using electrowetting phenomenon Oct. 25, 2011
8040656 Array variable capacitor apparatus Oct. 18, 2011

1 2 3 4 5










 
 
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