Communications: electrical – Selective – Having indication or alarm
Patent
1975-08-04
1977-01-04
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340324R, 340373, 340378R, 340412, G08B 1900
Patent
active
040017761
ABSTRACT:
A plurality of on/off sensors each register the occurrence of an event in a system while other sensors measure the value of certain conditions in the system and include detectors for indicating when any measurement attains a predetermined value. An actuating circuit responsive to the on/off sensors and to the detectors controls a display device which presents to a display location a message corresponding to an on/off sensor and an indicia corresponding to a measured condition. A meter has an indicator at the display location for registration with the indicia. The actuating circuit in response to detection of a measured condition of predetermined value selectively connects the sensor measuring that condition to the meter so that the indicator registers with the displayed indicia to indicate the value of the condition.
REFERENCES:
patent: 3503067 (1970-03-01), Amiragoff
patent: 3660814 (1972-05-01), Fales
patent: 3839701 (1974-10-01), Pomerantz
Carol, Jr. John A.
Peterson Raymond J.
General Motors Corporation
Hill Warren D.
Waring Alvin H.
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