Directionally sensitive switch

Details Directionally sensitive switch Directionally sensitive switch

1999-06-02

2000-05-30

Easthom, Karl

Electrical resistors

Mechanically variable

Resistance element adjustably short-circuited

338 47, 338 99, 338154, 200512, 335205, H01C 1006

Patent

active

060695528

ABSTRACT:
An electrical switch has spaced, facing coupler and carrier layers with a set of electrodes formed on the facing surfaces thereof. There is an aperture in the coupler layer. A conductive armature is disposed in the space between the coupler and carrier, aligned with the aperture. The coupler is a magnet and the armature is made of magnetic material so the armature is normally held in engagement with the coupler. A user can press on any part of the armature through the aperture to cause a first portion of the armature to break away from the armature and contact the electrodes on the carrier while a second portion of the armature remains in contact with the coupler. The electrodes are arranged to provide an output which is dependent upon the location of contact with the armature.

REFERENCES:
patent: 3167624 (1965-01-01), Jones, Jr.
patent: 4409450 (1983-10-01), Blades
patent: 5475353 (1995-12-01), Roshen et al.
patent: 5921382 (1999-07-01), Retter
patent: 5949325 (1999-09-01), Devolpi

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