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Class 334/80 - With variable spacing between plates


Subclass of Class 334 - Tuners
Definition: Subject matter in which the variable capacitor is so constructed
No. of patents: 4
Last issue date: 03/09/2004


NumberTitleIssue Date
6701779Perpendicular torsion micro-electromechanical switch
A semiconductor torsional micro-electromechanical (MEM) switch is described having a conductive movable control electrode; an insulated semiconductor torsion beam attached to the movable control electrode, the insulated torsion beam and the movable contro...
03/09/2004
4897624Unitary capacitance trimmer
Apparatus for adjusting capacitance between an electronic component and external circuitry. The electronic component is unitarily provided with a plurality of conductive leads for connection to external circuitry with at least one of the leads being confi...
01/30/1990
4612668FM wireless transmitter
A FM wireless headphone transmitter which uses a novel technique of varying the transmitted frequency. Instead of the traditional methods of using a variably meshing multi-plate capacitor, the invention uses a printed circuit inductance with a tuning plat...
09/16/1986
4467393Trimming capacitor
An electronic circuit with a trimming capacitor with a first electrode in the form of a flexible sheet metal lug which is arranged in confronting relationship with a rigid counter electrode in the form of a plate capacitor. The flexible sheet metal lug an...
08/21/1984
 
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