Contact sensor with improved sensitivity

Details Contact sensor with improved sensitivity Contact sensor with improved sensitivity

1993-10-28

1994-12-20

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Membrane type

200514, 200515, H01H 110

Patent

active

053747968

ABSTRACT:
A contact sensor apparatus with improved sensitivity is provided. A frame defining a surface upon which contact detection is desired has two electrically conductive sheets held in spaced parallel relationship by a plurality of electrically non-conductive insulating spacers attached to the face thereof. A contact force distributor is sandwiched between the outside electrically conductive sheet and a graphics layer. Contact forces on the graphics layer, that are in alignment with the spacers, are redistributed to areas between adjacent spacers by the contact distributor.

REFERENCES:
patent: 3382338 (1968-05-01), Arseneault
patent: 3551616 (1970-12-01), Juliusburger
patent: 4349712 (1982-09-01), Michalski
patent: 4362911 (1982-12-01), Sears et al.
patent: 4602135 (1986-07-01), Phalen
patent: 4684767 (1987-08-01), Phalen
patent: 5056365 (1991-10-01), Gray et al.
patent: 5149923 (1992-09-01), Demeo

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