Power supply circuit for automotive headlamp
First Claim
1. A power supply circuit for an automotive headlamp system which includes first and second headlamp assemblies, each of which includes a low-beam valve for low-beam lighting and a high-beam valve for highbeam lighting, said power supply circuit comprising:
- a power source for supplying electrical power;
a switch assembly selectively operable between a plurality of switch positions including a first position in which the electrical power is supplied to said high-beam valves of said headlamp assemblies, and a second position in wihch the electrical power is supplied to said low-beam valves of said headlamp assemblies; and
means for establishing communication between said power source and said low-beam valves at said first position in a high-beam and a flash mode.
1 Assignment
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Accused Products
Abstract
A power supply circuit for automotive headlamp assemblies includes a switch assembly selectively operable between a first position at which the electrical power is supplied to high-beam valves of the headlamp assemblies, and a second position at which the electrical power is supplied to low-beam valves of the headlamp assemblies. The power supply circuit also includes means for establishing communication between a power source and the low-beam valves at the first position, so as to turn the low-beam valves on whenever the high-beam valves are turned on.
9 Citations
13 Claims
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1. A power supply circuit for an automotive headlamp system which includes first and second headlamp assemblies, each of which includes a low-beam valve for low-beam lighting and a high-beam valve for highbeam lighting, said power supply circuit comprising:
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a power source for supplying electrical power; a switch assembly selectively operable between a plurality of switch positions including a first position in which the electrical power is supplied to said high-beam valves of said headlamp assemblies, and a second position in wihch the electrical power is supplied to said low-beam valves of said headlamp assemblies; and means for establishing communication between said power source and said low-beam valves at said first position in a high-beam and a flash mode. - View Dependent Claims (2, 3, 4, 5)
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6. A power supply circuit for an automotive headlamp system which includes first and second headlamp assemblies, each of which includes a low-beam valve for low-beam lighting and a high-beam valve for highbeam lighting, said power supply circuit comprising:
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a power source for supplying electrical power; and a switch assembly selectively operable between a plurality of switch positions including a first position in which the electrical power is supplied to said high-beam and low-beam valves of said headlamp assemblies, and a second position in which the electrical power is supplied to said low-beam valves of said headlamp assemblies only said first position further being operable in both high-beam and flash modes.
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7. A power supply circuit for an automotive headlamp system comprising:
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an electrical power source; first and second head lamp assemblies, each said headlamp assembly having a low-beam valve and a high-beam valve; a switch assembly selectively operable between a plurality of positions, each position further having means for selecting among a plurality of modes; said positions including first, second and third positions and said modes including high-beam, low-beam and flash modes; said high and flash modes providing electrical power to said high-beam valves and said low-beam valves simultaneously. - View Dependent Claims (8, 9)
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10. A power supply circuit for an automotive headlamp system comprising:
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an electrical power source; first and second headlamp assemblies, each said assembly having a low-beam valve and a high-beam valve; a switch assembly for selectively applying electrical power to said high-beam valves; a normally open relay having a first pair of terminals connected to said power source, a second pair of terminals each of said second terminals connected to one of said low-beam valves, and an activating coil responsive to a separate relay terminal connected to one of said high-beam valves, said relay operative to connect said first and second pairs of terminals when power is applied to said high-beam valves. - View Dependent Claims (11, 12, 13)
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Specification