Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1993-11-29
1996-07-16
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
315 82, 362 61, 340469, B60L 114
Patent
active
055369758
ABSTRACT:
An add-on electrical apparatus for causing standard automotive headlamps to project scanning effects on roadways and other terrain. The device is comprised of a control module located in the vehicle near the driver, wired to two switching modules mounted between the headlamps and the standard connectors. An on-off switch and current adjustment in the control module activates the device and adjusts the speed of the scanning effect, as an oscillator generates a train of pulses which are divided into two alternate pulse trains by a flip-flop. The pulses are amplified in order to drive a pair of solid state relays, having an adjustable bypass current, whereby as the lamp on one side of the vehicle is at full brightness, the lamp on the other side is at a reduced brightness, with said effect alternating back and forth from lamp to lamp.
REFERENCES:
patent: 3732540 (1973-05-01), Platte
patent: 4114071 (1978-09-01), Thrower, Jr. et al.
patent: 4155069 (1979-05-01), Mason
patent: 4727261 (1988-02-01), Fairchild
patent: 5389913 (1995-02-01), Boser et al.
Bradley James E.
Elms Richard T.
Shoop Jr. William M.
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