Pressure sensitive switch

Details Pressure sensitive switch Pressure sensitive switch

1997-11-28

1999-10-12

Scott, J. R.

Electricity: circuit makers and breakers

Weight

200514, H01H 3502, H01H 302

Patent

active

059658568

ABSTRACT:
A sheet-like pressure sensitive switch is disclosed. A spacer 2 of an insulating material is interposed between a first film 1 of an insulating material which is provided with a first electrode 1a and a second film 3 of an insulating material which is provided with a second electrode 3a. The spacer 2 has a number of openings 2a, through which the first electrode 1a and the second electrode 3a oppose each other with an air gap therebetween. A first lead wire 4a and a second lead wire 4b are connected to the first electrode 1a and the second electrode 3a, respectively. In a pressure sensitive switch according to a first embodiment, the first and the second film 1, 3 are formed of polyethylene naphthalate films. In a pressure sensitive switch according to a second embodiment, the second film 3 is formed of polyethylene terephthalate film while the first film 1 is formed of polyethylene naphthalate film.

REFERENCES:
patent: 3718791 (1973-02-01), Szablowski
patent: 4137116 (1979-01-01), Miller
patent: 4301337 (1981-11-01), Eventoff
patent: 4485279 (1984-11-01), Nakamura
patent: 4580018 (1986-04-01), Yoshimara
patent: 4725479 (1988-02-01), Utsumi
patent: 4755645 (1988-07-01), Naoki et al.
patent: 5232243 (1993-08-01), Blackburn et al.
patent: 5475192 (1995-12-01), Inagaki et al.
patent: 5664667 (1997-09-01), Kenmochi

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