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| Number | Title | Issue Date |
| 7896512 | Vehicle headlamp The vehicle headlamp is provided with a main lamp unit fixed and arranged inside a lamp chamber and sub-lamp units as an auxiliary lamp capable of changing and forming light distribution patterns by using semiconductor light emitting elements as light sources. The s... | 03/01/2011 |
| 7866847 | LED lamp An LED lamp includes a frame having a bottom surface, a plurality of heat sinks, and a plurality of LED modules. Each of the heat sinks has an engaging surface defined at an acute angle with respect to the bottom surface of the frame. Each of the LED modules is atta... | 01/11/2011 |
| 7382963 | Lighting apparatus and projection display apparatus using the same A lighting apparatus and projection display apparatus using the same are disclosed. The present invention includes a plurality of light sources emitting lights, respectively, each transmitting at least one of a light emitted from a different light source and a light... | 06/03/2008 |
| 7352148 | Device and method for controlling optical axis of headlamps An optical axis controller and method for headlamps for a vehicle where the swiveling lamps are not driven due to the minute steering operation of the driver. The steering angle of the steering wheel is detected by using, for example, a steering angle signal from a ... | 04/01/2008 |
| 7336046 | Short-circuit detection in electric path connecting drive device and load A control device controls a drive signal supplied from a drive device to a load apparatus along an electric path connecting the drive device and the load apparatus. The drive device receives a PWM (pulse width modulation) signal to PWM-control the drive signal, dete... | 02/26/2008 |
| 7246021 | Automatic front light optical axis direction adjusting system for vehicles The directions of optical axes of headlights of a vehicle are adjusted based on a steering angle by switching filters of different response speed characteristics. The filters are provided with hystereses along boundaries neighboring to each other. The filters are sw... | 07/17/2007 |
| 7234849 | Vehicle lighting apparatus A vehicle lighting apparatus can help improve irradiation for different speeds of an automobile. The vehicle lighting apparatus includes lamps for installation at front portions of an automobile. An irradiation direction of the lamps can be deflected in left and rig... | 06/26/2007 |
| 7213962 | High-efficiency circuit-equipped light emitting board The present invention relates to a high-efficiency circuit-equipped light emitting board, which is made so as to be usable as advertisement boards and signs, and can be used either indoor ones or outdoor ones. The light emitting board includes inner and outer frames... | 05/08/2007 |
| 7153007 | Vehicle lighting apparatus The deflection angles of the irradiation of lamps provided at the left and right portions of an automobile are continuously increased in correspondence to the increase of a steering angle until the steering angle reaches a predetermined value. The left and right lam... | 12/26/2006 |
| 7104664 | Apparatus for automatically adjusting direction of light axis of vehicle headlight The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight of the invention has a configuration in which the swivel control unit determines that the vehicle is making a left or right turn and halts the swivel control on the light ax... | 09/12/2006 |
| 6913367 | Vehicle headlamp There is a vehicle headlamp in a multibeam mode comprising: a reflecting mirror for reflecting light emitted from a discharge tube having a single light emitting section; and a shield for blocking off light directly emitted forward and light emitted to the lower par... | 07/05/2005 |
| 6908207 | Apparatus for a motor vehicle, for lighting bends negotiated by the vehicle A motor vehicle has at its front end, a pair of passing or dipped beam headlights and a separate pair of cruising or main beam headlights. The passing headlights and cruising headlights produce, respectively, a regulation, short range, dipped passing beam and a regu... | 06/21/2005 |
| 6874918 | Headlamp device for vehicle A headlamp device for a vehicle includes a first light distribution controlling portion moving light irradiated forward from a light source in a lateral direction of the vehicle, and a second light distribution controlling portion moving the light irradiated forward... | 04/05/2005 |
| 6828928 | Motor-vehicle driving assistance device which is optimized by synergy with an adaptive lighting system Driving assistance device for a motor vehicle, including at least one emitter of radiation toward the front of the vehicle, a receiver of part of this radiation reflected by a target vehicle, and control and calculation means for influencing the acceleration and bra... | 12/07/2004 |
| 6793359 | Vehicle headlamp A transmission member is swingably connected respectively to a reflector and a nut member, about an axis substantially orthogonal to a tilting direction of the reflector and to an advancing and backward direction of the nut member. As a result, the transmission memb... | 09/21/2004 |
| 6626564 | Apparatus and method for automatically adjusting optical axis of vehicle headlights In a headlight optical axis adjusting apparatus and method for a vehicle, the shape of a road in front of the vehicle is detected by a CCD camera based on a change in lane marking line which indicates the lane width on the road, before the steering angle ... | 09/30/2003 |
| 6540386 | Lamp having reflectors independently adjustable in the horizontal direction and concurrently adjustable in the vertical direction A vehicular headlamp wherein aiming adjustment of two reflectors can be conducted accurately regardless of the positional relation between aiming screws operating in conjunction with each other. The headlamp includes first and second reflectors mounted in... | 04/01/2003 |
| 6511195 | Street lamp to carry a luminous plate and for lighting Horizontal street lamp (10) of an oblong concave structure housing a source of light, with a downward-facing mouth in whose center is applied a frame (60) with a cavity into which a substantially vertical plate (80) can be freely inserted, said plate bein... | 01/28/2003 |
| 6481876 | Lighting system for vehicles A lighting system for vehicles including a plurality of dimmer lamps, a steering sensor, and an electronic control unit (ECU). The dimmer lamps are provided at the front of a vehicle in its moving direction, and their radiated ranges differ from each othe... | 11/19/2002 |
| 5711590 | Headlight having variable light distribution An improved headlight having variable light distribution is provided, where said headlight comprises a reflector divided into an upper movable light distribution reflector and a lower fixed light distribution reflector by a horizontal line located 10 to 3... | 01/27/1998 |
| 5567032 | Illuminating device for vehicles An illuminating device for a vehicle has at least one light generating unit, at least one light distributing unit, at least one light conducting element connecting the units with one another, the light distributing unit being provided with at least one le... | 10/22/1996 |
| 4963794 | Vehicle cornering headlamp system A vehicle cornering headlamp system in which the direction of illumination of the headlamps of an automobile are made to follow the actual direction of movement of the vehicle, except that the direction of illumination is returned to the straight-ahead di... | 10/16/1990 |
| 4943893 | Automotive illumination system An automotive illumination system with which, when steering the vehicle around a curve or corner, both the path along which the vehicle is to travel and the direction straight ahead of the vehicle are sufficiently illuminated. Four headlamps are provided.... | 07/24/1990 |
| 4276581 | Headlight tilting system for vehicles This invention relates to a headlight tilting system for vehicles having pivotal frames, oscillatable via a linkage driven by an electric motor and circuitry in which a manual switch can be set to establish a circuit between the motor and a battery via co... | 06/30/1981 |
| 4225902 | Headlight beam control system for motor vehicles A motor vehicle comprises a pivotal support member having at least one headlamp secured thereto, an unidirectional motor which rotates its output shaft in one rotational direction only when energized, cam and linkage means whereby rotation of the output s... | 09/30/1980 |
