Electricity: circuit makers and breakers – Weight – Treads
Patent
1975-11-20
1977-07-19
Smith, Jr., David
Electricity: circuit makers and breakers
Weight
Treads
H01H 1316
Patent
active
040370690
ABSTRACT:
A mat switch includes top and bottom cardboard sheets having opposed faces on which are formed complementary electrodes. Each electrode is a plurality of elongated generally parallel first bands of metal foil adhesively secured to the opposed faces which are electrically interconnected by a pair of second bands perpendicularly directed to the first bands. A relatively thin dielectric sheet is laminated between the opposed faces and includes a plurality of parallel elongated apertures in register with the first bands.
REFERENCES:
patent: 1776992 (1930-09-01), Brockman
patent: 3718791 (1973-02-01), Szablowski
Gonzalez Roland
Miguel Raul C.
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