Matches 1 - 50 out of 241 1 2 3 4 5 >


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US20140159578 APPARATUS FOR USING HEAT PIPES IN CONTROLLING TEMPERATURE OF AN LED LIGHT UNIT  
A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled...
US20110025485 Heat Dissipation System for Headlight  
A heat dissipation system for a headlight and a headlight cooling method thereof, may include the headlight, a fan motor rotating a cooling fan to circulate air around the headlight while the...
US20140339982 MODULAR RECHARGABLE HEADLAMP  
A portable illuminating device is provided. The device has a rechargeable battery that can be re-charged using a wide variety of power sources, making is especially appropriate for use away from...
US20110169411 LED LIGHTING DEVICE AND HEAD LAMP LED LIGHTING DEVICE  
When a current which is conducted from a direct current power supply 8 to a choke coil L1 after a switching transistor 7 is turned on has a predetermined value, an LED lighting device lights up an...
US20130057149 METHOD FOR OPERATING A HEADLIGHT OF A MOTOR VEHICLE  
A headlight of a motor vehicle includes several light emitting devices which are arranged next to each other in at least one direction of the extent of the headlight. When the headlight is...
US20140070699 Portable Electric Lamp Having an Anti Glare System  
A portable lamp comprising: Communication means for exchanging identification data, configuration settings or control instructions with another portable lamp.More specifically, the communication...
US20130049588 METHOD FOR DETERMINING AN ILLUMINATION RANGE OF AT LEAST ONE HEADLIGHT AND METHOD FOR CALIBRATING A LIGHT EMISSION OF AT LEAST ONE HEADLIGHT OF A VEHICLE  
A method for determining an illumination range of at least one headlight of a vehicle includes a step of detecting at least one road-marking feature, which is illuminated by the at least one...
US20130169155 HEADLAMP DEVICE AND LUMINANCE CONTROL METHOD THEREFOR  
To provide a headlamp device for a vehicle that has LEDs as light sources, the headlamp device including a situation detection part that detects a lighting status of headlamps; and a dimming...
US20110175530 LED LIGHTING POWER SOURCE AND LED LIGHTING SYSTEM  
Problem to be Solved: In left and right independent lighting power sources, even when left and right light-emitting units each including one or a plurality of LEDs light up with a time difference,...
US20080246404 VEHICLE HEADLIGHT BEAM CONTROLS  
A method of manually overriding automatic activation of an automatic headlight control system for a motor vehicle, headlamps operable in a high beam state and a low beam state, a high/low beam...
US20120062116 SYSTEM AND METHOD FOR CONTROLLING HEADLIGHTS ON A VEHICLE IN RESPONSE TO WIPER OPERATION  
A method for controlling headlights on a vehicle includes detecting for a wiper switch state for a wiper switch on a vehicle, detecting wiper operations, incrementing a counter value by x until...
US20070285020 Current balance circuit  
A current balance circuit is driven by a power source to balance currents flowing through a plurality of lamps. The current balance circuit includes a plurality of first balance transformers. The...
US20120019142 High-Pressure Discharge Lamp  
A high-pressure discharge lamp comprising a translucent lamp bulb (1), which extends along a longitudinal axis of the lamp and is attached to a plastic base (2; 302), which is essentially...
US20070222391 CURRENT BALANCING CIRCUIT FOR LIGHT EMITTING DIODES  
The invention provides an LED current balancing circuit, comprising a first and a second LED set coupled to a voltage source, a first transistor, and a second transistor. The first LED set...
US20130241413 SUB HEADLIGHT UNIT AND SUB HEADLIGHT SYSTEM FOR USE IN VEHICLE THAT LEANS INTO TURNS, AND VEHICLE THAT LEANS INTO TURNS  
A sub headlight unit for use in a vehicle that leans into turns includes a plurality of sub headlight light sources that illuminate, at one side with respect to a width direction of the vehicle,...
US20130241412 SUB HEADLIGHT UNIT AND SUB HEADLIGHT SYSTEM FOR USE IN VEHICLE THAT LEANS INTO TURNS, AND VEHICLE THAT LEANS INTO TURNS  
A sub headlight unit for use in a vehicle that leans into turns includes a plurality of sub headlight light sources to illuminate, at one side with respect to a width direction of the vehicle, an...
US20090102384 Illuminance stabilization apparatus for vehicle headlamp  
An illumination stabilization apparatus for a vehicle headlamp is disclosed. The illumination stabilization apparatus supplies stable power to a headlamp using a SEPIC, thus increasing the...
US20110241545 VEHICLE HEADLIGHT ALERT SYSTEM AND METHOD  
A vehicle controller may be configured to detect a headlight condition wherein a headlight is off and an ambient light level is less than a predetermined threshold, and to reduce electrical power...
US20120181931 LED SHORT-CIRCUIT DETECTION CIRCUIT, LED DRIVE DEVICE, LED LIGHTING DEVICE, AND VEHICLE  
An LED short-circuit detection circuit produces an LED short-circuit detection signal by monitoring an LEDC terminal voltage (a first voltage obtained at a chip-to-chip node in a row of LED chips,...
US20150035434 SYSTEM FOR CONTROLLING EXTERIOR LIGHTING OF A MOTOR VEHICLE  
A system for controlling the exterior lighting of a motor vehicle has a switch unit having a rotary switch which can be rotated clockwise and counter-clockwise to sequentially activate a plurality...
US20080290802 Relay assembly for fog lights  
A relay assembly for a fog light is disclosed which comprises a relay housing having a first terminal adapted to being connected to a switch for operating another light and operation of the switch...
US20090009089 VARIABLE LIGHTING SYSTEM FOR OPTIMIZING NIGHT VISIBILITY  
A variable lighting system (“VLS”) for optimizing object visibility at night by setting a base level of lighting, adding a variable light to that base level of lighting, and a synchronizing the...
US20120098430 HEADLAMP LED LIGHTING APPARATUS AND VEHICLE HEADLAMP LIGHTING SYSTEM  
A headlamp LED lighting apparatus, which lights an LED block 2 having a plurality of LEDs connected in series, samples the output voltage of the headlamp LED lighting apparatus, calculates the...
US20130257273 Device and method for adjusting the lighting of a vehicle in blind curves  
Method and device for adjusting lighting for a vehicle in consideration of the visibility of a curve, light having a glare effect (high beam light) being deactivated before negotiating a curve, if...
US20140111087 LIGHTING CONTROL SYSTEM FOR VEHICLE LAMP  
There is provided a lighting control system of a vehicle lamp. The system includes: a plurality of lamps including: a main lamp; and a separate lamp which is separated from the main lamp; and a...
US20130241414 SUB HEADLIGHT UNIT AND SUB HEADLIGHT SYSTEM FOR USE IN VEHICLE THAT LEANS INTO TURNS, AND VEHICLE THAT LEANS INTO TURNS  
A sub headlight unit for use in a vehicle that leans into turns includes a sub headlight light source that illuminates an area ahead and outward of the vehicle with respect to a width direction of...
US20110260616 VEHICLE EXTERIOR LAMP  
A vehicle exterior lamp includes an optical structure defining a plurality of geometric indicia, and a plurality of light emitting diodes (LEDs) for emitting light. Light emitted by the LEDs is...
US20110169410 LIGHT EMITTING DIODE HEADLAMP FOR A VEHICLE  
A vehicle exterior lamp is provided with an array of light emitting diodes (LEDs) with rows and columns and each LED positioned at an intersection thereof. An LED is illuminated by selectively...
US20130334962 DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HEADLIGHT DEVICE, AND CAR  
The discharge lamp lighting device in accordance with the present invention includes a controller configured to perform an abnormality judgment process of judging whether or not abnormality has...
US20070120494 Vehicle daytime running light control system  
A vehicle lighting control system provides tailored implementation of daytime running light operation. Daytime running light operation is triggered in response to selected vehicle conditions,...
US20150042224 Modular Adaptive Headlight  
A modular adaptive vehicle headlight installable in a standard vehicle headlight socket is provided with angled light sources. A control circuit within the headlight controls the light sources to...
US20120127313 METHOD AND DEVICE FOR A VEHICLE-BASED ILLUMINATION IN INSUFFICIENTLY ILLUMINATED TRAFFIC ENVIRONMENTS  
In a method for a vehicle-based illumination of traffic environments, light is irradiated from a vehicle into a traffic environment to detect critical objects, with the intensity averaged over...
US20100001646 DEVICE CAPABLE OF GENERATING ELECTRICITY, AND METHOD OF GENERATING ELECTRICITY  
A device capable of generating electricity includes a rotating unit and a piezoelectric component. The rotating unit is rotatable about a rotation axis and includes a plurality of strikers that...
US20080266891 Lamp for a Vehicle Headlight Featuring a Dimmed Function  
The invention relates to a lamp for a vehicle headlamp with a low-beam function, which comprises an outer tube (3) and a light-emitting region (4) and which emits at least visible light of varying...
US20150002014 METHOD FOR CONTROLLING A HEADLAMP  
A method is disclosed for controlling a headlight in a motor vehicle. The method includes providing a headlight configured to emit a light distribution in a selectively controlled manner, and...
US20080084165 Headlight Control Apparatus for Automobile  
The present invention provides a headlight control apparatus which suppresses a feeling of strangeness given to a driver of an own vehicle by hunting due to reflector light while preventing a...
US20130271003 DISCHARGE LAMP LIGHTING DEVICE, AND HEADLIGHT AND VEHICLE INCLUDING SAME  
A discharge lamp lighting device includes a power converter configured to receive a power from a power source, convert it into a voltage required by a discharge lamp and supply the voltage to the...
US20090086497 SYSTEM FOR CONTROLLING LIGHT QUANTITY OF HEADLIGHT  
In a system for controlling a headlight of a vehicle to be controlled, a dazzling level determiner determines a parameter value of a dazzling level of a driver of an other vehicle ahead of the...
US20150048736 Method and device for controlling at least one headlight of a vehicle  
A method for controlling at least one headlight of a vehicle, in which the at least one headlight has first and second emission characteristics for illuminating the surroundings of the vehicle....
US20150210205 Procedure for the Operation of a Lighting System  
A procedure for the operation of a lighting system (10) in order to produce a first and a second light function with a separate light module (20, 30) respectively, wherein at least the second...
US20120299477 POWER SUPPLY DEVICE AND LAMP AND VEHICLE INCLUDING SAME  
A power supply device includes a series circuit including a first capacitor and a first and second inductors connected to both terminals of the first capacitor; a switching element having one...
US20080231194 DISCHARGE BULB FOR VEHICLE  
A discharge bulb and an arc tube are provided. The discharge bulb includes an arc tube main body having a discharge arc chamber, in which two discharge electrodes are disposed to oppose to each...
US20120086337 HEADLAMP LIGHT SOURCE LIGHTING DEVICE AND VEHICLE HEADLAMP LIGHTING SYSTEM  
Right and left lighting devices 3-1 and 3-2 each include an abnormal event informing signal output circuit for outputting an abnormal event informing signal in response to an informing output of...
US20060290558 Remote Control Systems  
A system that allows a user to install a remote control transmitter to transmit a control signal in response to the driver flashing the high-beam headlights in a vehicle without cutting and...
US20050057162 System to control the luminosity and extend the life of motor vehicle lights  
The present invention relates to a system to control the luminosity and extend the life of the motor vehicle lghts. The present invention can further be extended to where the motor vehicle lights...
US20150084506 POWER CONTROL METHOD AND SYSTEM OF LAMP  
A power control method and system of a lamp are provided. The method includes supplying, by a controller, the lamp with electric power and selecting an illumination characteristic data of the lamp...
US20070200507 DEVICE FOR DRIVING LIGHT SOURCE MODULE  
A driving device for driving a light source module (34) includes a power stage circuit (31), a transformer and resonance circuit (32), a current balancing circuit (33), a voltage sensing circuit...
US20150163871 VEHICULAR LAMP  
The present disclosure provides a vehicular lamp including bypass circuits parallel to light emitting devices to precisely cope with an abnormality of the bypass circuit side. The vehicular lamp...
US20140333201 METHOD AND CONTROL UNIT FOR ADJUSTING A LUMINOSITY OF AT LEAST ONE HEADLIGHT OF A VEHICLE  
A method for adjusting a luminosity of at least one headlight of a vehicle is described. The method includes a step of ascertaining an illumination intensity, the illumination intensity...
US20150048737 MOTOR VEHICLE HEADLAMP  
A method for changing at least one light emission parameter of a headlamp system or a vehicle headlamp of a motor vehicle based on changing ambient light conditions. The light emission parameters...

Matches 1 - 50 out of 241 1 2 3 4 5 >