Light responsive device for monitoring on-line indicator lights

Details Light responsive device for monitoring on-line indicator lights Light responsive device for monitoring on-line indicator lights

1989-05-09

1991-02-05

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

250551, 250215, 340693, 379164, 200 6102, G08B 2100

Patent

active

049908960

ABSTRACT:
A photovoltaic device is provided that is adapted to monitor an "on-line" light source and respond to on/off changes of the source while at the same time being adapted for visual inspection of the light. The device is adapted for incorporation into a remote warning system which may also be able to activate remedial measures to correct deviations signalled by a change in the "on-line" light status.

REFERENCES:
patent: 3665111 (1972-05-01), Schieser
patent: 4028502 (1977-06-01), Moricca et al.
patent: 4063044 (1977-12-01), Stephan
patent: 4268113 (1981-05-01), Noel, Jr.
patent: 4354115 (1982-10-01), Warabisako et al.
patent: 4481423 (1984-11-01), Conway
patent: 4634877 (1987-01-01), Wills
patent: 4636647 (1987-01-01), Nishizawa
patent: 4901099 (1990-02-01), Sakamoto et al.
News Release "Red-Eye Optical Console Monitor", 2/89, TeleMonitor Corp.

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