Sheet switch, sheet switch module and panel switch

Details Sheet switch, sheet switch module and panel switch Sheet switch, sheet switch module and panel switch

2011-08-09

2011-08-09

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

C200S310000, C200S516000

Reexamination Certificate

active

07994445

ABSTRACT:
A sheet switch module including a sheet switch (21) having a central contact (32) disposed on a circuit board (33), a circumferential contact (20) disposed circumferentially of the central contact (32), a spring (22) disposed above the central contact (32), and a transparent sheet member (23) configured to cover the spring (22), the sheet switch (21) forming a switching circuit such that the spring (22) provides electrical conduction between the central contact (32) and the circumferential contact (20) when the sheet member is pressed, the sheet member (23) being formed by a light guiding sheet (30) configured to guide light emitted from an LED (34) along an upper surface of the spring (22).

REFERENCES:
patent: 5876107 (1999-03-01), Parker et al.
patent: 6806815 (2004-10-01), Kaikuranta et al.
patent: 6860612 (2005-03-01), Chiang et al.
patent: 6997572 (2006-02-01), Ono et al.
patent: 7053799 (2006-05-01), Yu et al.
patent: 7340273 (2008-03-01), Ono
patent: 2004-069751 (2004-03-01), None
Office Action/Communication in corresponding Chinese Patent Application No. 200610115953.8, dated Jan. 22, 2010.
English translation of relevant part of Office Action issued Jan. 22, 2010 in corresponding Chinese Patent Application No. 200610115953.8.

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