Apparatus for selectively displaying a plurality of indication p

Details Apparatus for selectively displaying a plurality of indication p Apparatus for selectively displaying a plurality of indication p

1977-09-07

1980-05-13

Caldwell, Sr., John W.

Communications: electrical

Audible indication

Percussion-type sound producer

40467, 40472, 340 52F, 340520, 340317, 340809, G08B 2100, B60Q 1100

Patent

active

042030943

ABSTRACT:
A plurality of sensors are provided each sensing a different condition occurring in a motor vehicle. Each sensor supplies a signal to a converter which converts the signals into a four-digit binary coded signal. A plurality of condition indicating panels, each bearing up to four projections, sequentially move past a stationary switch arrangement to open at least one of four normally closed switches to produce further binary coded signals. A digital comparator compares the four-digit binary signal from the converter with those developed by the switches. The comparator produces an output to drive an electric motor to continue movement of the indication panels when the compared signals do not coincide. When coincidence occurs, the output from the comparator changes to stop the motor thereby displaying the selected indication panel. When two or more signals from the sensors are applied to the converter, only one signal of highest priority is converted into a four-digit binary signal which is subjected to a comparison in the manner just described.

REFERENCES:
patent: 2204868 (1940-06-01), Russell et al.
patent: 2720137 (1955-10-01), Musebeck et al.
patent: 2736017 (1956-02-01), Marlowe et al.
patent: 3916375 (1975-10-01), Sumiyoshi et al.
patent: 3987439 (1976-10-01), Spaniola
patent: 4001776 (1977-01-01), Carol et al.
patent: 4072924 (1978-02-01), Pomerantz
patent: 4087804 (1978-05-01), Zabler et al.

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