Communications: electrical – Selective – Having indication or alarm
Patent
1979-03-12
1979-12-11
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
180271, G08B 2100
Patent
active
041785800
ABSTRACT:
A fuel saving signaling apparatus for a motor vehicle is described including a buzzer and indicator light mounted on the dash of the vehicle. The buzzer and indicator light are operatively connected to a time delay relay which is series connected to a microswitch and the vehicle ignition. The microswitch is normally closed so that current will be supplied to the time delay relay when the vehicle ignition is on so that the buzzer and indicator light will be energized after the vehicle has been idling for a predetermined period of time. The microswitch is positioned adjacent a rotatable element such as the vehicle speedometer cable or the like whereby rotation of the speedometer cable, as the vehicle is being driven, will cause the microswitch to be moved from its closed position to its open position thereby preventing as the vehicle is brought to a halt, the microswitch closes soon as the vehicle is brought to a halt, the microswitch closes and the time delay is activated so that the indicator light and buzzer will be energized after the predetermined period of time has elapsed. A second time delay relay is also provided and is connected to the first time delay relay and is adapted to energized the vehicle horn after a predetermined length of time has elapsed after the signal light and buzzer have been energized.
REFERENCES:
patent: 2729806 (1956-01-01), Dewhirst
patent: 4134101 (1979-01-01), Jones, Jr.
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