VEHICLE LIGHT WARNING SYSTEM
First Claim
1. In combination with a lighting system for a vehicle having a source of electrical energy, lamp means and switch means for selectively energizing the lamp means from the source, a warning system comprising at least two separate indicator devices mounted internally of the vehicle, light sensitive means connected to the source for operating one of the indicator devices, means responsive to closing of the switch means for disabling said one of the indicator devices, and exit control means connected to the other of the indicator devices for activating the Same only when the switch means is closed, said disabling means comprising a relay coil connected to said source in series with the vehicle lamp means and the switch means and a normally closed relay switch connected to said one of the indicator devices and opened in response to energization of the relay coil, said light sensitive means including relay means connected to the normally closed relay switch of the disabling means for preventing operation of said one of the indicator devices and a photoresponsive element connecting the source to the relay means for energization thereof.
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Accused Products
Abstract
A pair of indicator lamps provide warnings for a vehicle operator signifying either that the vehicle lamps should be turned on when illumination is needed or turned off upon opening of the vehicle door. The warning system does not affect the usual vehicle lighting system and operates off the vehicle power supply.
3 Citations
4 Claims
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1. In combination with a lighting system for a vehicle having a source of electrical energy, lamp means and switch means for selectively energizing the lamp means from the source, a warning system comprising at least two separate indicator devices mounted internally of the vehicle, light sensitive means connected to the source for operating one of the indicator devices, means responsive to closing of the switch means for disabling said one of the indicator devices, and exit control means connected to the other of the indicator devices for activating the Same only when the switch means is closed, said disabling means comprising a relay coil connected to said source in series with the vehicle lamp means and the switch means and a normally closed relay switch connected to said one of the indicator devices and opened in response to energization of the relay coil, said light sensitive means including relay means connected to the normally closed relay switch of the disabling means for preventing operation of said one of the indicator devices and a photoresponsive element connecting the source to the relay means for energization thereof.
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2. The combination of claim 1 wherein said vehicle includes a door, said exit control means comprising a normally open switch closed by opening of the door and connected in series with the other of the indicator devices to the switch means.
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3. The combination of claim 2 wherein said two separate indicator devices are visually distinguishable lamps.
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4. The combination of claim 1 including an ignition switch connected between the source and the light sensitive means.
Specification
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Current AssigneeRalph M. Susslin
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Original AssigneeRalph M. Susslin
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InventorsSusslin, Ralph M.
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Primary Examiner(s)Caldwell, John W.
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Assistant Examiner(s)Leimer, Kenneth N.
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Application NumberUS04/877,233Time in Patent Office904 DaysField of Search340/52DUS Class Current340/457.2CPC Class CodesB60Q 9/001 Alarm devices when the moto...
