Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1978-10-23
1980-08-19
Tolin, Gerald P.
Electricity: circuit makers and breakers
Electric switch details
Indicators
340365R, 200 5A, 307113, 362812, H01H 916
Patent
active
042186030
ABSTRACT:
Contact patterns are formed on a transparent substrate to introduce information or a command into a system. A display means, responsive to the opening and closing of the contact patterns, is installed behind the transparent substrate, thereby indicating a switching condition of a switching means associated with the contact patterns.
REFERENCES:
patent: 3823550 (1974-07-01), Bergey
patent: 3944843 (1976-03-01), Vaz Martins
patent: 4017848 (1977-04-01), Tannas, Jr.
patent: 4056699 (1977-11-01), Jordan
patent: 4091610 (1978-05-01), Sasaki
Sharp Kabushiki Kaisha
Tolin Gerald P.
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