Fixed contacts on different planes

Industry

CPC
H01H2211/034

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H2211/00Spacers

Current Industry

H01H2211/034Fixed contacts on different planes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Two-layer membrane switch
- Patent number 5,438,177
- Issue date Aug 1, 1995
- Key Tronic Corporation
- Mark W. Fagan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Self-referencing capacitive key cell structure and switchcore matri...
- Patent number 4,876,461
- Issue date Oct 24, 1989
- W. H. Brady Co.
- Norman G. Gratke
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Membrane switchcores with key cell contact elements connected toget...
- Patent number 4,857,683
- Issue date Aug 15, 1989
- W. H. Brady Co.
- Thomas L. Maser
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
A method for making low profile microswitches, particularly useful...
- Patent number 4,768,284
- Issue date Sep 6, 1988
- Texas Instruments Incorporated
- Pietro De Filippis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic equipment having a key input function
- Patent number 4,681,987
- Issue date Jul 21, 1987
- Canon Kabushiki Kaisha
- Kaname Suwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switching contact arrangement, in particular for keyboards and a ke...
- Patent number 4,575,589
- Issue date Mar 11, 1986
- Firma Wilhelm Ruf KG
- Horst Hoffmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low profile microswitches, particularly useful for the composition...
- Patent number 4,352,963
- Issue date Oct 5, 1982
- Texas Instruments Incorporated
- Pietro De Filippis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane keyboard apparatus
- Patent number 3,995,126
- Issue date Nov 30, 1976
- Magic Dot, Inc.
- Willis August Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of fabricating keyboard apparatus
- Patent number 3,981,757
- Issue date Sep 21, 1976
- Globe-Union Inc.
- Willis August Larson
- H01 - BASIC ELECTRIC ELEMENTS

Fixed contacts on different planes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Two-layer membrane switch

Self-referencing capacitive key cell structure and switchcore matri...

Membrane switchcores with key cell contact elements connected toget...

A method for making low profile microswitches, particularly useful...

Electronic equipment having a key input function

Switching contact arrangement, in particular for keyboards and a ke...

Low profile microswitches, particularly useful for the composition...

Membrane keyboard apparatus

Method of fabricating keyboard apparatus

Patents Applicationslast 30 patents