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| Number | Title | Issue Date |
| 7659670 | Headlamp control circuit A headlamp control circuit reduces a possibility that all headlamps become lights-out in a two-lamp system headlight, even if a switching element fails under a high-beam condition while the single switching element is driven to light two right and left high-beam fil... | 02/09/2010 |
| 7649321 | Irradiation direction control apparatus and method An apparatus for controlling the irradiation direction of a lamp for a vehicle is provided with an actuator 3R for controlling the irradiation direction of a headlamp 2R and a controller (ECU) 1 for controlling the actuator 3R in accordan... | 01/19/2010 |
| 7646151 | Light source module There is disclosed a light source module comprising a high intensity discharge light source; optical elements including at least a reflector for redirecting and focusing the light emanating from said light source; and electronic elements for supplying said light sou... | 01/12/2010 |
| 7576493 | Vehicle LED lamp controller used in low temperature environment A vehicle LED lamp controller connected between one DC power source and multiple LED elements has a starting circuit, a preheating circuit and a current limitation circuit. The starting circuit is connected to the power source through the preheating circuit and conn... | 08/18/2009 |
| 7535181 | Method and device for ballast management in particular for a motor vehicle headlamp A method for managing a gas discharge lamp in particular for a motor vehicle headlamp. The method is of the type which consists in controlling initial and nominal supply powers of the lamp by means of control signals during the operating phases of the lamp which com... | 05/19/2009 |
| 7501767 | Vehicle headlamp A vehicle headlamp is provided with a lamp unit, a first actuator for controlling the irradiation direction within the horizontal plane, a second actuator for controlling the irradiation direction within the vertical plane. A communication unit transmits and receive... | 03/10/2009 |
| 7482756 | Directional lamp daytime running light module and vehicular turn signal control system A vehicular lighting control system for controlling the illumination of a vehicle's external directional/turn signaling and/or hazard lighting, by controlling continuous illumination of pairs of the brightest filaments of single or dual filament bulb designed vehicl... | 01/27/2009 |
| 7443050 | Power device for multiple light sources with switching and charge pump circuit To control individually a plurality of loads to be turned on by combining a switching regulator with a charge pump circuit using some of the components of the switching regulator. An LED is controlled to be turned on by a switching regulator having an NMOS transisto... | 10/28/2008 |
| 7438458 | Independent lighting energy interruption system and method An auxiliary lighting energy interruption system for use with snow plows and like front-mounted vehicle accessories is disclosed which facilitates the interconnection of such auxiliary lighting energy interruption systems to the lighting system of a vehicle upon whi... | 10/21/2008 |
| 7429825 | Headlight beam control system and headlight beam control method A headlight beam control system includes an image taking apparatus for capturing an image to the rear of the user's vehicle and for generating image data from the captured image, a following vehicle information acquisition unit for acquiring following vehicle inform... | 09/30/2008 |
| 7415338 | Apparatus for controlling auxiliary equipment of vehicle An apparatus for controlling operation of auxiliary equipment of a vehicle by receiving an output of a surroundings detection sensor for detecting the surrounding of the vehicle and an output of the vehicle information sensor, for detecting operation of the vehicle,... | 08/19/2008 |
| 7414524 | Lighting control circuit for vehicle lighting equipment A higher voltage out of a battery voltage applied to an ignition voltage terminal or a control voltage applied to a control voltage terminal is supplied to a switching regulator via a diode. Then, a supply of current to an LED in the switching regulator is controlle... | 08/19/2008 |
| 7410281 | Independent lighting energy interruption system with advanced reconfiguration and method A reconfigurable auxiliary lighting energy interruption system for use with snow plows and like front-mounted vehicle accessories is disclosed which facilitates the interconnection of such systems to the lighting system of a vehicle upon which the vehicle accessory ... | 08/12/2008 |
| 7408136 | Vehicle vision based systems having improved light source distinguishing features An imaging system for use in a vehicle headlamp control system includes an opening, an image sensor, a red lens blocking red complement light between the opening and the image sensor, and a red complement lens blocking red light between the opening and the image sen... | 08/05/2008 |
| 7408478 | Area of representation in an automotive night vision system A method for detecting surroundings by an automotive night vision system comprising several areas, including a detection area (3) in which surroundings related data is detected, an evaluation area within which the surroundings-related data detected by the nig... | 08/05/2008 |
| 7400266 | Method for improving vision in a motor vehicle A method, a device and a processing unit for improving visibility in a motor vehicle are described, a light source of the motor vehicle illuminating an illumination range. At least one monitoring sensor of the motor vehicle monitors the surroundings around the motor... | 07/15/2008 |
| 7378753 | Vehicular automatic light control apparatus A headlight is turned on if an external illuminance value outside of the vehicle is equal to or lower than a first threshold value if the non-rainfall state is judged from windshield wiper activation, and is permitted to be turned on if the external illuminance valu... | 05/27/2008 |
| 7374320 | Vehicular headlamp apparatus A control unit of a vehicular headlamp apparatus can selectively perform steering angle control and navigation-cooperative control. The steering angle control operates a drive mechanism based on a steering angle and a speed of a vehicle to control a headlamp's swive... | 05/20/2008 |
| 7372055 | Night vision infrared illuminator An illuminator assembly is provided for supplying night vision illumination. The assembly includes a support housing and an infrared illumination source. An infrared reflector receives the radiation emitted from the infrared illumination source and reflects the infr... | 05/13/2008 |
| 7372214 | Apparatus and method for driving lamp of liquid crystal display device A lamp driving apparatus of a liquid crystal display includes a plurality of lamps arranged with a predetermined distance between adjacent lamps; a comparator to compare output voltages of lamps that are separated by more than the lamp distance; and a power intercep... | 05/13/2008 |
| 7368885 | Lighting controller for lighting device for vehicle A lighting controller for a lighting device for a vehicle includes a semiconductor light source; a power source for supplying electric power; and control circuitry for receiving the electric power from the power source and controlling a current supplied to the semic... | 05/06/2008 |
| 7368901 | Sequential control circuit A sequential control circuit operates according to an input signal. When the input signal is determined at a first state, the sequential control circuit asserts a plurality of control signals in a predetermined sequence. When the input signal is determined at a seco... | 05/06/2008 |
| 7365991 | Dual LED board layout for lighting systems Circuit boards for lighting systems have identical LED landing zones printed on the board. Each zone includes at least two sets of LED contact pads. One pad set is configured to mate with contacts of an LED of a first structural type, e.g. from a first product line ... | 04/29/2008 |
| 7360922 | Combination of light tube with stabilizer A light tube assembly includes a light tube and a stabilizer which includes a tubular body with copper members that are slidably engaged with curved slots in a base. A core with terminal plates is received in the tubular body and two locking pin 51s extend th... | 04/22/2008 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7361875 | Vehicle headlamp control utilizing a light sensor having at least two light transducers Equipment on automotive vehicle is controlled by a system including at least one semiconductor light sensor having variable sensitivity to light. Each light sensor generates a light signal indicative of the intensity of light incident on the light sensor. Control lo... | 04/22/2008 |
| 7355347 | Auxiliary lighting system for vehicles A vehicle lighting system has primary and auxiliary systems, which operate exclusively depending upon the selected operational mode. The problem addressed is availability of civilian vehicles for alternative operations including military operations, where the conven... | 04/08/2008 |
| 7350945 | System and method of detecting driving conditions for a motor vehicle A system for a motor vehicle for detecting driving conditions on a road, including a nebulosity, the range of visibility in the presence of a nebulosity or the distance between an obstacle in the road and the motor vehicle. The system includes a headlight which emit... | 04/01/2008 |
| 7352118 | Optimized ultraviolet reflecting multi-layer coating for energy efficient lamps A metal halide lamp (10) includes a light-transmissive envelope (12) which encloses a metal halide pool (30) for generating a discharge when spaced apart electrodes (20, 22) within the envelope are supplied with an electric current. A mul... | 04/01/2008 |
| 7352467 | Surface plasmon resonance imaging system and method A surface plasmon resonance imaging system (40) and method is provided. The system (40) includes a light source (42) comprising a light-emitting diode (LED) array that is positioned at the focal point of a collimating lens (44). The light... | 04/01/2008 |
| 7348731 | High-pressure gas discharge lamp with an asymmetrical discharge space A high-pressure gas discharge lamp (HID [high intensity discharge] lamp) is described which is in particular free from mercury and suitable for use in automobile technology. The lamp is remarkable in particular for a discharge space (2) which has a volume whi... | 03/25/2008 |
| 7342325 | Universal fleet electrical system A universal fleet electrical system includes a central power distribution panel, which includes a fuse panel and a lighting selector junction box, together with a universal wiring harness. A dash mounted console is provided for operator control of accessory devices.... | 03/11/2008 |
| 7342188 | Rotary light switch for motor vehicles A rotary light switch for motor vehicles is presented that ensures a feel that is not susceptible to mechanical influences. The rotary light switch has an actuator that can be rotated around an axis and that can be moved in the axial direction, and that is non-rotat... | 03/11/2008 |
| 7339149 | Vehicle headlight control using imaging sensor A headlamp control system for a motor vehicle includes an imaging array sensor operable to sense light in a field of view forward of the motor vehicle and a control that is responsive to the imaging array sensor. The control is operable to identify at least one obje... | 03/04/2008 |
| 7339201 | Light emitting diode and process for producing the same A light emitting diode includes a casing having a concave surface, a reflecting surface formed by depositing a metallic layer on a concave surface thereof, and a lead having a light emitting element fitted thereto so as to confront the reflecting surface. A cationic... | 03/04/2008 |
| 7339321 | Discharge-lamp ballast in particular for a vehicle headlight Ballast comprising input terminals receiving a DC voltage coming from a supply source on the vehicle, a chopping supply circuit functioning at a predetermined chopping frequency in order to supply as an output a voltage supplying the discharge lamp, and a filtering ... | 03/04/2008 |
| 7332877 | Light controller A light controller capable of varying the brightness of a light emitting diode in a linear manner. The light controller may control a number of lights in a predetermined pattern or in a pattern designed by the user. A remote control may be used to control and intera... | 02/19/2008 |
| 7332830 | Rainfall determination apparatus and method A rainfall determination apparatus for determining rainfall based on data relating to a wiping operation of a wiper. The apparatus includes a detection device for detecting the wiping operation every time this operation is performed; a timer for starting to clock a ... | 02/19/2008 |
| 7329850 | Vehicle rearview mirror system having a variable reflectance control A vehicle rearview mirror system includes an electro-optic reflective element, an ambient light sensor that is operable to sense ambient light, a glare light sensor that is operable to sense glare light and a circuit that is responsive to the ambient glare light sen... | 02/12/2008 |
| 7329994 | Lighting system for vehicle A lighting system for a vehicle includes a lamp and a deciding circuit to detect the number of abnormal light emitting elements or the abnormal elements in the lamp. The deciding circuit may be connected to a disconnection detecting circuit by one signal line to det... | 02/12/2008 |