Electronic multi-purpose warning device for motor vehicles and m

Details Electronic multi-purpose warning device for motor vehicles and m Electronic multi-purpose warning device for motor vehicles and m

1987-04-14

1989-02-07

Crosland, Donnie L.

Communications: electrical

Selective

Having indication or alarm

340636, 340657, 340693, 324426, 324433, 320 48, 320 31, B60Q 100, G08B 2100

Patent

active

048034592

ABSTRACT:
A device to be used in a motor vehicle or motorboat for performing a wide variety of warning and monitoring functions. It includes apparatus to electrically connect to a positive battery cable (1,2), to a negative battery cable (3,4), and to the vehicle chassis (5,6); apparatus for warning sound and light (7,8); an electronic circuitry (9); and a cigarette-lighter size plastic enclosure (10). The electronic circuitry includes a Voltage Sensing Circuit to sense the battery voltage and battery cable connection conditions at engine starting and to turn on warning sound and light on low battery and bad battery connection detection, a Current Sensing Circuit to sense the battery discharge current and to turn on intermittent or continuous said warning sound on detection of a left-on headlight a battery charging system malfunction or failure, brake light failure, and too-low engine idle speed. The device can be attached to a battery cable and requires no skill and no tools for installation according to FIG. 1. As such, the device user can avoid booster cables, or tow truck calls due to battery troubles, and reduce the risk of rear end collisions.

REFERENCES:
patent: 3118137 (1964-01-01), Vincent
patent: 3568175 (1971-03-01), Schwein
patent: 4028616 (1977-06-01), Stevens
patent: 4068216 (1978-01-01), Brouwer et al.
patent: 4320383 (1982-03-01), Lumbroso
patent: 4488110 (1984-12-01), Shirey et al.
patent: 4521735 (1985-06-01), Kageyama et al.
patent: 4659994 (1987-04-01), Poljak
patent: 4665370 (1987-05-01), Holland

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