Electric lamp and discharge devices: systems – Special application – Vehicle
Patent
1996-02-15
1998-06-02
Pascal, Robert J.
Electric lamp and discharge devices: systems
Special application
Vehicle
315 82, 307 108, 340475, B60Q 138, H05B 3700
Patent
active
057605459
ABSTRACT:
A tow adapter adapts tail light signals of a towing vehicle for suitable tail light signals of a towed vehicle. The tow adapter adapts a left turn signal, a right turn signal, and a brake signal from the towing vehicle to energize left and right tow lamps of the towed vehicle. To energize the left tow lamp, the tow adapter selectively generates a left energization signal and a left enable signal based on the left turn signal and the brake signal. The tow adapter then selectively outputs the left energization signal based on the left enable signal to energize the left tow lamp. The tow adapter similarly adapts the right turn signal and the brake signal to energize the right tow lamp. Circuitry for one embodiment for the tow adapter minimizes any voltage loss in adapting tail light signals and functions despite a burned-out or removed tail light lamp of the towing vehicle. The circuitry also adapts a brake signal for the towed vehicle despite a tow adapter malfunction.
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Circuit schematic of a 2 to 3 tail light converter, one sheet, known or used by others in this country prior to the filing date of this patent application.
Model PL100R tail light converter, two-sheet product description including circuit schematic, on sale in this country more than one year prior to the filing date of this patent application.
MME Products Zero Drop.RTM. Tail Light Converter, Model PL100RX, four-sheet product description including circuit schematic, on sale in this country more than one year prior to the filing date of this patent application.
Chrysler Corp. Jeep Grand Cherokee Wiring Harness, Model #82201430, three-sheet product description including circuit schematic, on sale in this country more than one year prior to filing date of this patent application.
ACAR Industries, Inc.
Pascal Robert J.
Vu David H.
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