Keyboard type switch comprising flexible printed circuit...

Details Keyboard type switch comprising flexible printed circuit... Keyboard type switch comprising flexible printed circuit...

H - Electricity

01

H

356/1, 306/305

H01H 13/70 (2006.01) G06F 3/02 (2006.01) G06F 3/033 (2006.01) H01H 1/40 (2006.01) H01H 13/702 (2006.01) H05K 1/18 (2006.01) H01H 25/04 (2006.01)

Patent

CA 1144965

ABSTRACT OF THE DISCLOSURE A switch apparatus having first and second surfaces with conductive pattern segments thereon in proximate spaced overlying relation, each of the patterns being generally identical and having a circular array of alternating solid and interleaved conductive portion, one pattern being movable toward the other by tilting of a disc for providing a plurality of discrete signals.

343097

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