Patents
Patents for H01G 5 - Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture (1,769)
04/1991
04/23/1991CA2009069A1 Electrode array for meter reading device
12/1990
12/12/1990EP0401967A2 Adjustable electrical device
12/11/1990US4977481 Supporting device for a trimmer condenser in a connector of a probe
10/1990
10/31/1990CN2064932U Contactless variable condenser
10/10/1990EP0391126A1 Electronic proximity switch
09/1990
09/05/1990CN1045203A Unitary capacitance trimmer
08/1990
08/29/1990EP0384326A1 Unitary capacitance trimmer
08/28/1990US4953057 Variable capacitor and method of making same
06/1990
06/26/1990US4937694 Capacitor element with patterned electrode areas for capacitive measuring device
06/19/1990CA2004147A1 Adjustable multilayered capacitor
05/1990
05/30/1990EP0205488B1 Variable gap device and method of manufacture
04/1990
04/03/1990US4914543 Variable capacitance
01/1990
01/30/1990US4897624 Electronic device
11/1989
11/21/1989US4882648 Capacitance probe for use in absorbent systems
10/1989
10/24/1989US4876627 Variable electronic component
09/1989
09/26/1989CA1260085A1 Variable gap device and method of manufacture
08/1989
08/22/1989US4860160 Adjustable vacuum condenser
08/08/1989US4856102 Adjustable multilayered capacitor
07/1989
07/25/1989US4851961 Endless reactor
07/18/1989US4849852 Variable capacitance push-button switch
07/12/1989CN1033901A Variable film capacitor with deformable rotor
07/05/1989EP0322428A1 Capacitor element with electrode surface pattern for capacitive measuring sensors
07/04/1989US4845586 High power tunable capacitor
04/1989
04/04/1989EP0252929A4 Electrically variable piezoelectric hybrid capacitor.
03/1989
03/09/1989DE3728864A1 Capacitor arrangement
02/1989
02/21/1989US4806783 Transducer circuit
01/1989
01/12/1989WO1989000277A1 Capacitor element with electrode surface pattern for capacitive measuring sensors
10/1988
10/20/1988DE3806855A1 Adjustable vacuum capacitor
09/1988
09/27/1988US4774490 Rotary Electric devices
08/1988
08/16/1988US4764843 Variable electronic component
05/1988
05/03/1988CA1235922A1 Pressure sensing cell using brittle diaphragm
01/1988
01/20/1988EP0252929A1 Electrically variable piezoelectric hybrid capacitor.
12/1987
12/29/1987US4716331 Electrically variable piezoelectric hybrid capacitor
07/1987
07/16/1987WO1987004301A1 Electrically variable piezoelectric hybrid capacitor
06/1987
06/30/1987US4675960 Method of manufacturing an electrically variable piezoelectric hybrid capacitor
05/1987
05/19/1987CA1222030A1 Solid electrolytic capacitor manufacture
05/12/1987US4665464 Adjustable electromechanical device
04/1987
04/14/1987US4657719 Forming thin film of resin an hardening
03/1987
03/17/1987US4649761 Rotary shaft holding mechanism for a rotary variable element
03/10/1987US4649459 Rotary electric devices
02/1987
02/10/1987US4642729 Variable porcelain condenser structure
01/1987
01/24/1987CN85101683A Rotary electric device
10/1986
10/22/1986EP0198031A1 Pressure sensing cell using brittle diaphragm
10/14/1986US4617608 Variable gap device and method of manufacture
09/1986
09/02/1986US4609966 Absolute pressure transducer
07/1986
07/17/1986WO1986004182A1 Variable gap device and method of manufacture
07/15/1986US4599788 Solid electrolytic capacitor manufacture
07/02/1986EP0186240A1 Adjustable electromechanical device
07/01/1986US4598334 Capacitive tuning screw
06/1986
06/10/1986US4594640 Variable capacitor
05/1986
05/13/1986US4589055 Rotor shaft support mechanism in oscillator
04/1986
04/24/1986WO1986002486A1 Pressure sensing cell using brittle diaphragm
04/22/1986US4584626 Electronic component having rotary mechanism
04/22/1986US4584625 Capacitive tactile sensor
04/10/1986CN85108071A Pressure sensing cell using brittle diaphragm
04/08/1986US4581676 Electrical contact coating for silicon pressure transducers
03/1986
03/25/1986US4578735 Pressure sensing cell using brittle diaphragm
03/11/1986US4575779 Variable electronic component
12/1985
12/24/1985US4561038 Transducers
10/1985
10/29/1985US4550361 Adjustable multiturn air dielectric capacitor
10/22/1985US4549246 Air dielectric variable capacitor utilizing a stator formed as part of the circuit layout on the substrate
10/02/1985EP0156757A2 Capacitive pressure sensor with low parasitic capacitance
09/1985
09/03/1985US4538466 Capacitance pressure transducer and method of fabrication therefor
07/1985
07/16/1985US4530029 Capacitive pressure sensor with low parasitic capacitance
04/1985
04/09/1985US4510554 Chip-like solid electrolyte capacitor
03/1985
03/05/1985US4502320 Method and apparatus for diagnosing oil-filled electric apparatus
02/1985
02/19/1985US4500941 Ceramic trimmer capacitor
01/1985
01/29/1985US4495820 Capacitive pressure sensor
01/29/1985CA1181850A1 Method and apparatus for diagnosing oil-filled electric apparatus
12/1984
12/25/1984US4490773 Capacitive pressure transducer
12/25/1984US4490772 Voltage and mechanically variable trimmer capacitor
12/04/1984US4486812 Capacitive pressure transducer
11/1984
11/22/1984WO1984004626A1 Multi-turn trimmer
11/20/1984CA1178078A1 Capacitive pressure sensor
10/1984
10/16/1984US4477859 Rotary electric component
09/1984
09/18/1984US4472759 Air trimmer capacitor
09/04/1984US4470096 Multilayer, fully-trimmable, film-type capacitor and method of adjustment
08/1984
08/21/1984US4467393 Trimming capacitor
08/07/1984US4464699 Shock proof adjustable low-loss capacitor
07/1984
07/10/1984US4459635 Multi-turn trimmer
05/1984
05/22/1984US4450500 Electric capacitor of variable capacitance
04/1984
04/10/1984US4442474 Capacitive pressure transducer
03/1984
03/27/1984CA1164241A1 Capacitive pressure transducer assembly with improved output lead design
02/1984
02/07/1984US4430687 Copper-nickel alloys
01/1984
01/24/1984US4428025 Cooling arrangements
12/1983
12/27/1983US4423464 Variable capacitance type push-button switch
11/1983
11/29/1983US4418376 Disc trimmer
11/15/1983US4415949 Air trimmer capacitor
10/1983
10/04/1983US4408253 Variable capacitor
08/1983
08/02/1983CA1151254A2 Pressure sensing capacitor
07/1983
07/26/1983CA1150527A1 Capacitive gauge
06/1983
06/28/1983US4390924 Variable capacitor with gear train end stop
06/28/1983US4389762 Method of making a trimmer capacitor
06/28/1983CA1149034A1 Pressure sensing capacitor and method of trimming same
06/21/1983US4389696 Trimmer capacitor
05/1983
05/24/1983US4384899 Bonding method adaptable for manufacturing capacitive pressure sensing elements
04/1983
04/12/1983CA1144614A1 Pressure-sensing capacitor and method of trimming same
03/1983
03/01/1983US4375626 Precision linear tuning circuit
01/1983
01/18/1983US4369483 Trimmer capacitor
11/1982
11/02/1982US4356607 Method of producing trimmer capacitors
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