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AssigneesLectron Products, Inc., Ford Motor Company
InventorsKenneth G. Slotkowski, Paul A. Michaels, Harold R. Macks, Henry J. Ewald
Estimating the term…
An automatic headlamp dimmer system for switching a vehicle's headlamps from high beam to low beam when lights from another vehicle are detected in front of the vehicle. To prevent spurious responses to reflected light from signs and other sources, the dimmer system includes a light detector which is responsive only to infrared light. Also, unwanted responses to flashing lights are avoided by detecting the presence of a periodically varying light signal, and inhibiting switching between high and low beams in response thereto. The system is also capable of sensing the activation of windshield wipers and preventing headlamp switching caused by interruption of light to the system's light sensor by action of the wiper blades.
An automatic headlamp dimmer system for a vehicle having high and low beam headlamps including a light sensor for producing an electrical light signal in response to incoming light, an amplifier for amplifying said light signal, and a controller for transmitting a switch signal for causing said headlamps to switch between high beam and low beam modes, said controller comprising:
An automatic headlamp dimmer system for a vehicle having high and low beam headlamps comprising:
Dependencies are inferred from the claim text.