Chin-Hsun
Chin-Hsun Chen, Hsinchu County TW
Patent application number | Description | Published |
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20130176008 | Soft Start Circuit and Power Supply Device Using the Same - The present invention discloses a soft start circuit for a power supply device comprising an external P-type transistor for charging an output capacitor to provide an output voltage. The soft start circuit includes a current source, for providing a discharge current; and a disabling means, coupled to the current source, for discharging an equivalent total parasitic capacitor of the external P-type transistor during an activation period according to the discharge current. | 07-11-2013 |
Chin-Hsun Chien, Tainan City TW
Patent application number | Description | Published |
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20120224915 | SECURING DEVICE FOR CONNECTING REFLECTOR TO ADJUSTMENT UNIT OF VEHICLE HEADLIGHT - A securing device for connecting a reflector to an adjustment unit includes a connector connected to the reflector and a holding member is connected to the connector. The holding member includes a space and a slot defined axially through a wall of the holding member. Two notches are defined in two ends of the slot respectively. A securing member includes a frame which includes two upright portions and two transverse portions connected between the two upright portions. The two upright portions are engaged with the notches and one of the two transverse portions has a gap which is expanded when the neck of the adjustment rod of the adjustment unit passes therethrough. The sphere on the adjustment rod is located in the space and the securing member clamps the two ends of the slot to prevent the sphere from disengaged form the space. | 09-06-2012 |
Chin-Hsun Hsu, New Taipei City TW
Patent application number | Description | Published |
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20130082603 | LED Device with Simultaneous Open and Short Detection Function and Method Thereof - An LED device with simultaneous open and short detection function includes a plurality of LED strings, a voltage converter, a current driving unit, a loop control unit and an open and short detector. The open and short detector is utilized for performing LED open and LED short detection on the plurality of LED strings according to negative electrode voltages of the plurality of LED strings and a level variation trend of a second voltage converted from a first voltage by the voltage converter. | 04-04-2013 |
Chin-Hsun Wu, Taipei City TW
Patent application number | Description | Published |
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20140195503 | METHOD AND SYSTEM FOR MANAGING CACHE FILES - A method and a system for managing cache files, adapted for a local end apparatus to manage files cached from a service end apparatus, are provided. In the method, a file is divided into a plurality of segments, and a part of the segments are downloaded from the service end apparatus and stored in the local end apparatus. Then, the segments of the file to be downloaded are increased or decreased according to a utility rate of the file. | 07-10-2014 |