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Class Information
Number: 361/283.1
Name: Electricity: electrical systems and devices > Electrostatic capacitors > Variable > Responsive to external condition > Pressure
Description: Subject matter in which the external condition is a force per unit area.










Sub-classes under this class:

Class Number Class Name Patents
361/283.4 By diaphragm 332
361/283.3 By differential capacitor 137
361/283.2 By displacement of stylus or lever 58


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8704538 Capacitance sensors Apr. 22, 2014
8659868 Variable capacitor and method for driving the same Feb. 25, 2014
8638541 Input device Jan. 28, 2014
8511168 Sensor element for capacitively measuring differential pressure Aug. 20, 2013
8471573 Dynamic quantity sensor and manufacturing method thereof Jun. 25, 2013
8471346 Semiconductor device including a cavity Jun. 25, 2013
8464589 Micro-electromechanical systems (MEMS) structure Jun. 18, 2013
8385045 Variable capacitor, control method thereof, electronic device and communication mobile device Feb. 26, 2013
8358047 Buried traces for sealed electrostatic membrane actuators or sensors Jan. 22, 2013
8339764 MEMs devices Dec. 25, 2012
8325460 Humidity sensor having anodic aluminum oxide layer, and fabricating method thereof Dec. 4, 2012
8300383 Variable capacitor Oct. 30, 2012
8238073 In-molded capacitive sensors Aug. 7, 2012
8149567 Capacitor module Apr. 3, 2012
8143906 Temperature and pressure transducer Mar. 27, 2012
8113058 Piezoelectric pressure transducer Feb. 14, 2012
8104353 Capacitive pressure sensor Jan. 31, 2012
8102638 Micro electromechanical capacitive switch Jan. 24, 2012
8079269 Electrostatic pressure sensor with porous dielectric diaphragm Dec. 20, 2011
8072081 Microelectromechanical system package Dec. 6, 2011
8009406 Capacitance arrangement and method relating thereto Aug. 30, 2011
7936553 Capacitors adapted for acoustic resonance cancellation May. 3, 2011
7911761 Fault-tolerant materials and methods of fabricating the same Mar. 22, 2011
7854170 Capacitance sensing circuit for membrane pressure sensor Dec. 21, 2010
7796371 Integrated capacitive microfluidic sensors method and apparatus Sep. 14, 2010
7788981 Pressure measurement device and system, and method for manufacturing and using the same Sep. 7, 2010
RE41521 Variable capacity condenser and pointer Aug. 17, 2010
7743662 Low differential pressure transducer Jun. 29, 2010
7721412 Method of making an electrochemical sensor May. 25, 2010
7616425 Photo-sensitive MEMS structure Nov. 10, 2009
7586749 Protecting casing for transducer Sep. 8, 2009
7568395 Pressure sensor with dual chambers Aug. 4, 2009
7546772 Piezoresistive pressure sensor Jun. 16, 2009
7533573 Pressure sensor including temperature adjustment May. 19, 2009
7530276 Semiconductor pressure sensor and manufacturing method thereof May. 12, 2009
7530275 Pressure sensor set in an opening of a wall May. 12, 2009
7516669 Capacitance sensing circuit for a pressure sensor Apr. 14, 2009
7516667 Differential pressure sensor having symmetrically-provided sensor chips and pressure introduction passages Apr. 14, 2009
7509867 Bioinformation detection device utilizing air pressure variation Mar. 31, 2009
7472600 Pressure sensor Jan. 6, 2009
7461558 Capacitive pressure sensor with sealed reference chamber Dec. 9, 2008
7458272 Capacitative pressure sensor with ceramic membrane Dec. 2, 2008
7454976 Pressure sensor for a vehicle Nov. 25, 2008
7451654 Constant power dissipation in capacitance pressure transducers Nov. 18, 2008
7446994 Variable capacitor and manufacturing method thereof Nov. 4, 2008
7437936 Window for measuring device Oct. 21, 2008
7418871 Method for detecting a pressure of a medium and pressure measuring device Sep. 2, 2008
7412892 Method of making pressure transducer and apparatus Aug. 19, 2008
7404330 Pressure sensor Jul. 29, 2008
7400488 Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters Jul. 15, 2008

1 2 3 4 5 6










 
 
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