US Patent No: 6,515,240

Number of patents in Portfolio can not be more than 2000

Compact headlamp/foglamp switch

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Importance

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Abstract

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A switch for controlling delivery of electrical power to a plurality of vehicle lighting systems, such as headlamps and parking lamps, as well as specialized vehicle lighting systems, such as a fog lamps, and one or more automatic mode settings. The switch has a first circuit contact system for controlling delivery of electrical energy to one or more combinations of the vehicle lighting systems. A second circuit contact controls delivery of electrical energy to the specialized vehicle lighting system. Manipulation of a switch control selects the control states of the first and second circuit contact systems. The first circuit contact system is urged in a rotational direction of travel, as the second circuit contact system is urged in an axial direction of travel. A control state limiter is provided to limit the second circuit contact system to the first control state when the first circuit contact system is in a predetermined one of the plurality of corresponding the selectable control states. Thus, for example, the vehicle's fog lamps, cannot remain 'on' when the headlamps and parking lamps have been turned 'off.'

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
T-RAM SEMICONDUCTOR, INC.SAN JOSE, CA2

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krishna, Arul S Farmington Hills, MI 1 2
Shinichi, Hikita Niwa Gun, JP 1 2

Cited Art Landscape

Patent Info (Count) # Cites Year
 
DELPHI TECHNOLOGIES, INC. (2)
5,359,165 Illuminated rotary switch assembly 24 1993
5,736,696 Combined automotive light switch 33 1996
 
CHRYSLER CORPORATION (1)
5,272,290 Lever switch device 24 1992
 
LEAR CORPORATION (1)
6,281,453 Carrier and knob stop encoder assembly 21 2000

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
HEATHCO LLC (1)
7,180,021 LED illuminated door chime push button with adjustable task light 6 2005
 
Key Plastics, LLC (1)
7,067,754 Bezel-button assembly and method 14 2003

Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 4, 2014
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