Vertaling van "light source control device" in Japans
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光源制御装置
The light source control device (10) detects an object present in an image in the periphery of a vehicle and specifies a region where the object is present.
A light source control device has a light detection device for detecting emission brightness of light sources that emit different colors and controlling emission brightness of at least one light source of the light sources based on the detection result of the light detection device.
This light source control device is provided with: a light source unit that outputs parallel light rays along a second axial direction orthogonal to a first axial direction from any position; a light source control unit that controls the output position of the parallel light rays of the light source unit; one or more deflecting elements that deflect the parallel light rays output by the light source unit; and a first diffusing element that diffuses the light rays deflected by the deflecting element in a third direction orthogonal to the first axial direction and second axial direction.
The light source control device (1) has: an interface unit (2) that receives control commands comprising gradation data prescribing the amount of light emission for each light source and operation mode signals that specify the operation mode; a dynamic control unit (6) that, according to the number of first signal wires connected to the anodes of the light sources to be used in the specified operation mode, determines a first period during which electric power is supplied to each first signal wire so that the timing of electric power supply differs from each other; and a period-setting unit (9) that sets a second period for each second signal wire connected to the cathodes of the light sources to be used in the specified operation mode.
Specifically, as described below, the light source control device (10) compares an image in front of the vehicle when an imaging infrared LED (12) is controlled to be on and an image in front of the vehicle when the imaging infrared LED (12) is controlled to be off, detects a reflective body and light emitting body present in front of the vehicle, and specifies a region where the reflective body and the light emitting body are present.
Then, the light source control device (10) acquires a light source ID corresponding to the specified region on the image and controls the head light LED (11) identified by the light source ID to brighten or dim the light.
A semiconductor light source control device (100) is provided with: a flyback regulator (102) that converts a battery voltage (Vbat) to a target voltage (Vt); a flywheel diode (142) connected in parallel to an output capacitor (128) of the flyback regulator (102); a second switching element (140) provided on the path of a drive current (Iout) that from one end of the output capacitor (128), reaches multiple LEDs (2-1 to 2-N) to be driven, and from the multiple LEDs, returns to the other end of the output capacitor (128), said second switching element (140) being provided between the output capacitor (128) and the flywheel diode (142); and an inductor (144) provided on the path of the drive current (Iout), between the flywheel diode (142) and the multiple LEDs.
LIGHT SOURCE CONTROL DEVICE AND IMAGE DISPLAY DEVICE
光源制御装置及び映像表示装置
A light source control device (10) stores light source irradiation region data in which light source IDs for uniquely recognizing head light LEDs (11a-11i) and regions on an image on which the head light LED (11a-11i) are applied are matched to each other.
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