Hong-Cheng
Hong-Cheng Chen, Hsinchu City TW
Patent application number | Description | Published |
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20100328200 | Device and related method for converting display screen into touch panel screen - A device for converting display screen into touch panel screen includes a projection screen; an image projection unit for projecting an image on the projection screen; a light pointer for emitting a light spot signal of a specific wavelength on the projection screen; an image detecting unit, which includes a fisheye lens for receiving the image on the projection screen to generate a fisheye distorted image; and an optical filter for filtering out the optical energy except the light spot signal of the specific wavelength; an image processing unit, coupled to the image detecting unit, for calculating a first position of the light spot on the projection screen according to the fisheye distorted image; and a message transmitting unit, coupled to the image processing unit, for outputting a touch panel signal according to the calculating result of the image processing unit. | 12-30-2010 |
Hong-Cheng Hsiao, Tao Yuan Shien TW
Patent application number | Description | Published |
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20090219678 | DISPLAY DEVICE - A display device is provided, including a housing, a display panel, a shield, and an elastic member. The housing has a first frame and a second frame. The display panel, disposed in the housing, abuts the first frame. The shield, disposed in the housing, abuts the second frame. The elastic member, disposed between the display panel and the shield, includes a plurality of supporting portions, at least one abutting portion and an elastic portion extended from the abutting portion. | 09-03-2009 |
Hong-Cheng Yang, Shenzhen CN
Patent application number | Description | Published |
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20090141453 | HEAT DISSIPATION DEVICE HAVING A CLIP ASSEMBLY - A heat dissipation device for removing heat from an electronic component mounted on a printed circuit board, includes a heat sink and a clip attaching the heat sink onto the printed circuit board. The heat sink has a rectangular base and a plurality of fins extending upwardly from the base. The fins define a receiving channel therein, which is slantwise to two opposite sides of the heat sink. The clip includes a main body placed in the receiving channel and two latching legs extending obliquely and oppositely from two opposite ends of the main body. The two latching legs are located in front of and in rear of the two opposite sides of the heat sink, respectively, and are parallel thereto. | 06-04-2009 |
20090151896 | HEAT DISSIPATION DEVICE - A heat dissipation device includes a heat sink and a wire clip. The heat sink has a base plate and a plurality of parallel fins arranged on the base plate. The heat sink defining a plurality lengthways channels between every two neighboring fins and a plurality of transverse channels perpendicular to the lengthways channels. The clip comprises a main body spanning on the base plate of the heat sink and two latching legs extending contrary from two opposite ends of the main body. The main body comprises a pressing section received in the lengthways channels and two pivoting sections extending from two opposite ends of the pressing section and received in the transverse channels. The two latching legs are located at the two opposite sides of the heat sink. | 06-18-2009 |
20090159245 | HEAT DISSIPATION DEVICE HAVING A FAN HOLDER - A heat dissipation device includes a heat sink, a fan holder and a fan secured on a front side of the fan holder. The heat sink comprises a base and a plurality of fins on the base. An engaging groove is defined in top ends of the fins. The fan holder comprises a top panel and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has an inserting protrusion at a bottom surface thereof. The two sidewalls have two latching legs at lower ends thereof. The top panel is partially placed on front portion of the top ends of the fins and the inserting protrusion is inserted into the engaging groove of the fins, the two sidewalls abut against two lateral sides of the heat sink and the two latching legs fasten to two lateral sides of the base of the heat sink. | 06-25-2009 |
20090166010 | HEAT DISSIPATION DEVICE HAVING A FAN HOLDER - A heat dissipation device includes a heat sink, a fan holder and a fan secured on a front side of the fan holder. The heat sink includes a base having two first fixing ears at its two lateral sides and a plurality of fins on the base. At least an engaging notch is defined in top ends of the fins. The fan holder includes a top panel and two sidewalls extending downwardly from two lateral edges of the top panel. The top panel has at least an inserting protrusion at a bottom surface thereof. The two sidewalls have two fixing flanges at lower ends thereof. The top panel is partially placed on front portion of the top ends of the fins and the inserting protrusion is inserted into the engaging notch of the fins, the two sidewalls abut against two lateral sides of the heat sink and the two fixing flanges are disposed on the two first fixing ears. | 07-02-2009 |