Communications: electrical – Selective – Having indication or alarm
Patent
1979-01-16
1982-03-23
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
307 10R, 307114, 340514, G08B 1900
Patent
active
043215793
ABSTRACT:
A circuit arrangement for testing operating functions in motor vehicles by means of parallel circuits which contain at least one switching element conductive during a normal operating function and one control lamp and which are adapted to be closed by a test switch, and with one transmitter each coordinated to the operating functions which automatically triggers a warning indication with abnormal operating functions; at least one warning lamp for the warning indication which is independent of the control lamps is thereby provided in the circuit arrangement.
REFERENCES:
patent: 2817074 (1957-12-01), Faulkner
patent: 2947980 (1960-08-01), Lemm et al.
patent: 3944969 (1976-03-01), Arai et al.
patent: 3955183 (1976-05-01), McBrian
patent: 4053868 (1977-10-01), Cox et al.
patent: 4162478 (1979-07-01), Huber et al.
Bauernfeind Olaf
Dietz Wolfgang
Fischer Helmut
Jochmann Franz
Bayerische Motoren Werke Aktiengesellschaft
Caldwell Sr. John W.
Nowicki Joseph E.
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