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