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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7400489 |
System and a method of driving a parallel-plate variable micro-electromechanical capacitor |
Jul. 15, 2008 |
| 7400488 |
Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters |
Jul. 15, 2008 |
| 7394641 |
MEMS tunable capacitor with a wide tuning range |
Jul. 1, 2008 |
| 7388247 |
High precision microelectromechanical capacitor with programmable voltage source |
Jun. 17, 2008 |
| 7385800 |
Micro-electro-mechanical system (MEMS) capacitors, inductors, and related systems and methods |
Jun. 10, 2008 |
| 7375948 |
Variable charge packet integrated circuit capacitor |
May. 20, 2008 |
| 7369394 |
Variable capacitor, circuit module, and communications apparatus |
May. 6, 2008 |
| 7369396 |
Composite electroactive material for electromechanical actuators |
May. 6, 2008 |
| 7356310 |
Adaptive radio transceiver with floating MOSFET capacitors |
Apr. 8, 2008 |
| 7346981 |
Method for fabricating microelectromechanical system (MEMS) devices |
Mar. 25, 2008 |
| 7345866 |
Continuously tunable RF MEMS capacitor with ultra-wide tuning range |
Mar. 18, 2008 |
| 7324323 |
Photo-sensitive MEMS structure |
Jan. 29, 2008 |
| 7319581 |
Capacitive pressure sensor |
Jan. 15, 2008 |
| 7319580 |
Collapsing zipper varactor with inter-digit actuation electrodes for tunable filters |
Jan. 15, 2008 |
| 7310215 |
Direct digitally tunable microwave oscillators and filters |
Dec. 18, 2007 |
| 7283347 |
Low cost digital variable capacitor |
Oct. 16, 2007 |
| 7259417 |
Direct digitally tunable microwave oscillators and filters |
Aug. 21, 2007 |
| 7251121 |
Electronically variable capacitor array |
Jul. 31, 2007 |
| 7242569 |
Tunable capacitors using fluid dielectrics |
Jul. 10, 2007 |
| 7215529 |
Capacitive sensor having flexible polymeric conductors |
May. 8, 2007 |
| 7203052 |
Method of fabricating MEMS tunable capacitor with wide tuning range |
Apr. 10, 2007 |
| 7190565 |
Capacitor having reduced non-capacitive impedance |
Mar. 13, 2007 |
| 7161791 |
Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters |
Jan. 9, 2007 |
| 7158363 |
Liquid metal varactor and method |
Jan. 2, 2007 |
| 7092232 |
Variable capacitance capacitor, circuit module, and communications apparatus |
Aug. 15, 2006 |
| 7088567 |
Tunable capacitors using fluid dielectrics |
Aug. 8, 2006 |
| 7085121 |
Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters |
Aug. 1, 2006 |
| 7085122 |
MEMS tunable capacitor based on angular vertical comb drives |
Aug. 1, 2006 |
| 7082024 |
Component comprising a variable capacitor |
Jul. 25, 2006 |
| 7078787 |
Design and operation of gate-enhanced junction varactor with gradual capacitance variation |
Jul. 18, 2006 |
| 7079372 |
Film as a dielectric in capacitors and process for its production |
Jul. 18, 2006 |
| 7054132 |
Variable capacitance element |
May. 30, 2006 |
| 7046497 |
Multi-layer capacitive transducer |
May. 16, 2006 |
| 7042698 |
MEMS tunable capacitor with a wide tuning range and method of fabricating the same |
May. 9, 2006 |
| 7042699 |
Vacuum variable capacitor |
May. 9, 2006 |
| 7030463 |
Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates |
Apr. 18, 2006 |
| 7031136 |
Variable capacitors, composite materials |
Apr. 18, 2006 |
| 7006342 |
Variable capacitor having a rigidity-increasing feature |
Feb. 28, 2006 |
| 7002787 |
Capacitor apparatus of the capacity variable type |
Feb. 21, 2006 |
| 6980412 |
Variable tunable range MEMS capacitor |
Dec. 27, 2005 |
| 6975498 |
Variable capacitor |
Dec. 13, 2005 |
| 6975499 |
Vacuum variable capacitor with energization and heat shielding bellows |
Dec. 13, 2005 |
| 6970340 |
Capacitor apparatus of the capacity variable type |
Nov. 29, 2005 |
| 6963481 |
Decreasing load on devices for mass spectrometers |
Nov. 8, 2005 |
| 6961228 |
Capacitor apparatus of the capacity variable type |
Nov. 1, 2005 |
| 6954348 |
Tunable MEMS capacitor |
Oct. 11, 2005 |
| 6952337 |
Variable capacitor |
Oct. 4, 2005 |
| 6946948 |
Crosspoint switch with switch matrix module |
Sep. 20, 2005 |
| 6940707 |
Differential capacitor, differential antenna element, and differential resonator |
Sep. 6, 2005 |
| 6937456 |
Direct digitally tunable microwave oscillators and filters |
Aug. 30, 2005 |
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