Patents by Inventor Chang-Chun Liu
Chang-Chun Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090135379Abstract: An adjusting apparatus is provided for a projector having a front wall defining a slot therein, and a bottom wall defining a D-shaped through hole therein. The adjusting apparatus includes an operating member rotatably supported in the projector and partially exposed out of the projector from the slot of the front wall, and a supporting member having a D-shaped cross section. The operating member defines a threaded hole therein. The supporting member extends through the D-shaped through hole of the bottom wall of the projector and is partially received in the projector. The supporting member forms a plurality of threads thereon for mating with the threaded hole of the operating member. When the operating member is rotated in either of two directions, the projector correspondingly moves up or down relative to the supporting member.Type: ApplicationFiled: December 20, 2007Publication date: May 28, 2009Applicants: HONG FU JIN PRECISION INDUSTRY(ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090121904Abstract: A light-emitting keyboard includes an upper cover with a plurality of keystrokes, the keystrokes being made of transparent material, a printed circuit board (PCB) connected to a connector via a cable, a lower cover, a light guide plate and a diffusion plate arranged in sequence between the upper cover and the lower cover, and a light source arranged beside the light guide plate and connected to the PCB to receive power. Thus, the light-emitting keyboard can be used in a dark or gloomy environment.Type: ApplicationFiled: December 28, 2007Publication date: May 14, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090116199Abstract: A heat dissipating device includes a heat sink, and a block. The heat sink includes a base and a plurality of fins formed on the base. A bottom portion of the base forms a protrusion. The block defines a first recess and a second recess in two opposite surfaces of the block respectively. The protrusion of the heat sink engages in the first recess, and an electronic component is received in the second recess.Type: ApplicationFiled: December 11, 2007Publication date: May 7, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (Shenzhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090113101Abstract: An adapter for USB interfaces, includes a cable, and two interface units respectively electrically connected to ends of the cable. Each of the interfaces includes a main body and two different types of USB interfaces extending from the main body.Type: ApplicationFiled: December 17, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD ., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090110215Abstract: An audio adapter includes a first audio interface, a second audio interface, and two second amplifiers. The power pin of the second audio interface is connected to the non-inverting terminals of the two amplifiers. The left and right ear audio pins of the second audio interface are respectively connected to the inverting terminals of the first and the second amplifiers via two current-limiting resistors respectively. Two variable resistors are respectively connected between the inverting terminal and the output terminal of the two amplifiers. The output terminals of the two amplifiers are respectively connected to the left and right ear audio interface of the first audio interface and respectively connected to the ground pin of the first audio interface via two voltage-limiting resistors respectively.Type: ApplicationFiled: December 11, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (Shenzhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090113089Abstract: An exemplary sound box with USB interface includes a power system and a USB interface. The power system includes a power terminal and a ground terminal. The USB interface includes a power terminal and a ground terminal corresponding to the power terminal and a ground terminal of the power system respectively, wherein the power terminal or the ground terminal is connected to the corresponding terminal of the sound box via a rheostat. A voltage received by the power system from the USB interface can be adjusted by the rheostat.Type: ApplicationFiled: November 22, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090107823Abstract: A light-emitting keyboard includes an upper cover with a plurality of keystrokes, a printed circuit board (PCB) connected to a connector via a cable, a lower cover, and an electric luminescent (EL) plate connected to the PCB via a transformer. The transformer is configured for receiving power from the PCB. The EL plate is arranged between the upper cover and the lower cover. The upper cover and the keystrokes are made of transparent material.Type: ApplicationFiled: December 11, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (Shenzhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090109629Abstract: A heat dissipating device includes a heat sink, and a block. The heat sink includes a base and a plurality of fins formed on the base. A bottom portion of the base defines a first groove. The block defines a second groove in one surface of the block. The block is received in the first groove, and an electronic component is received in the second groove.Type: ApplicationFiled: December 17, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) Co., LTD, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090113095Abstract: An exemplary computer with compound audio interface includes a chassis, a USB interface arranged in the chassis, an audio interface arranged in the chassis, and a switch arranged in the chassis. The USB interface includes two signal terminals and a ground terminal. The audio interface includes two audio signal terminals and a ground terminal, wherein the audio signal terminals and the ground terminal of the audio interface are connected to the signal terminals and the ground terminal of the USB interface via the switch respectively. The audio signals received by the USB interface can be transmitted to an audio system in the chassis via the audio interface.Type: ApplicationFiled: November 20, 2007Publication date: April 30, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090103269Abstract: A heat dissipating device for a memory card includes a first dissipation element and a second dissipation element. The first dissipation element is attached to one side of the memory card for dissipating heat generated by the memory card. The first dissipation element defines a hole at an end thereof. The second dissipation element is attached to the other side of the memory card for dissipating heat generated by the memory card. The second dissipation element includes a hook at an end thereof corresponding to the hole, for hooking the hole to allow the second dissipation element to rotatably connected to the first dissipation element.Type: ApplicationFiled: December 21, 2007Publication date: April 23, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090104799Abstract: An adapter includes a first USB interface, a second USB interface, and an audio interface. The first and the second USB interfaces each have a power pin, a first data pin, a second data pin, and a ground pin. The pins of the first USB interface respectively connected to the pins of the second USB interface correspondingly. The audio interface includes a left ear audio pin, a right ear audio pin, and a ground pin. The left ear audio pin of the audio interface is connected to the first data pin of the second USB interface. The right ear audio pin of the audio interface is connected to the second data pin of the second USB interface.Type: ApplicationFiled: December 11, 2007Publication date: April 23, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (Shenzhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090103746Abstract: An audio adapter includes a first audio interface and a second audio interface. The first audio interface includes a left ear audio pin and a right ear audio pin. The second audio interface includes a left ear audio pin and a right ear audio pin. The left ear audio pin of the first audio interface is connected to the left ear audio pin of the second audio interface via a first variable resistor. The right ear audio pin of the first audio interface is connected to the right ear audio pin of the second audio interface via a second variable resistor.Type: ApplicationFiled: November 30, 2007Publication date: April 23, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Patent number: 7518878Abstract: A computer enclosure includes a chassis, a side plate, and a securing member. The chassis includes a rear plate defining a sliding groove therein. The side plate is attached to a side of the chassis. At least one fixing post extends perpendicularly from an inner surface of the side plate located near a rear side. The securing member is movably mounted in the sliding groove. The securing member includes an operating portion exposed outside of the chassis through the sliding groove, and a clamping portion located in the chassis. When the securing member is moved along the sliding groove, the clamping portion is moved with the securing member to engage with or disengage from the at least one fixing post of the side plate. Thus, the side plate is attached to or removed from the chassis.Type: GrantFiled: December 29, 2007Date of Patent: April 14, 2009Assignees: Hon Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Chang-Chun Liu, Liang-Liang Qiu
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Publication number: 20090091882Abstract: A mounting apparatus for a storage device includes a bracket configured for receiving the storage device and including a sidewall defining a through hole therein, a latching member pivotally mounted to the bracket and including a latching protrusion extending through the through hole of the bracket for fixing the storage device, a rotating mechanism connected between the bracket and the latching member to enable the latching member to rotate relative to the bracket, and an elastic member connected between the bracket and the latching member for urging the latching member toward the side wall of the bracket.Type: ApplicationFiled: December 29, 2007Publication date: April 9, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090057511Abstract: A mounting apparatus for holding a storage device defining a plurality of mounting holes in a side thereof includes a bracket and a plurality of attaching members. The bracket includes a first sidewall and a second sidewall parallel to the first sidewall, the first sidewall defines a plurality of through holes, corresponding to the mounting holes. Each attaching member includes a base and a protrusion formed on the base, and the base attaches to the outside surface of the first sidewall of the bracket via magnetism generated between the base and the first sidewall, and the protrusions extends though the through holes of the first sidewall and inserts into the corresponding mounting hole of the storage device.Type: ApplicationFiled: December 11, 2007Publication date: March 5, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chang-Chun Liu, Xiao-Lin Gan, Yu-Kuang Ho
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Publication number: 20090038927Abstract: An exemplary power cable includes a power plug comprising a first prong and a second prong for being plugged into an electric outlet; a cable comprising a live line and a neutral line each having an end connected to the first and second prongs of the power plug respectively; and a socket comprising a first jack and a second jack, wherein the first jack is connected to the opposite end of the live line via a switch. Therefore, users can turn off a standby power of a computer system by turning off the switch.Type: ApplicationFiled: November 19, 2007Publication date: February 12, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Guo-Fu Guo, Chang-Chun Liu
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Publication number: 20090040747Abstract: An exemplary keyboard includes at least one lighting circuit and a keypad mounted on the keyboard. The lighting circuit comprises a power source, at least one light emitting diode (LED), and a regulating resistor. The regulating resistor includes an adjustment terminal connected to the power source and a connection terminal connected to the anode of the LED. The cathode of the LED is grounded. The keypad is illuminated by the lighting circuit arranged therein. Therefore, users can adjust illumination of different parts of the keyboard by adjusting the regulating resistors of the lighting circuits arranged therein.Type: ApplicationFiled: November 29, 2007Publication date: February 12, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HONHAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20090040075Abstract: An exemplary light-emitting keyboard includes an upper cover with a plurality of keystrokes, a printed circuit board, and a lower cover. The keyboard further includes a light guide plate, a reflector, and a light source. The light guide plate and reflector are arranged between the upper cover and the lower cover, and the light source is arranged beside the light guide plate and connected to the printed circuit board to get power. The light guide plate receives light beams from the light source and evenly distributes the light beams over the entire light guide plate through reflection and diffusion, and the reflector is disposed under the light guide plate for upwardly reflecting light beams from the light source to the light guide plate. Thus, the light-emitting keyboard can be used in a dark or gloomy environment.Type: ApplicationFiled: November 29, 2007Publication date: February 12, 2009Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20080304227Abstract: A mounting apparatus is provided to readily fix a data storage device defining at least one hole in place. The mounting apparatus includes a bracket fastened to a computer enclosure, and the bracket includes a side panel and at least one elastic tab formed at or attached to the side panel corresponding to the hole of the data storage device. The elastic tab includes a fixing portion, for engaging in the hole of the storage device, and an operation portion positioned outside the bracket for manipulating the elastic tab.Type: ApplicationFiled: August 6, 2007Publication date: December 11, 2008Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO
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Publication number: 20080144335Abstract: An exemplary light guide plate configured for guiding light beams from a light source in order to uniformly illuminate a liquid crystal panel, includes an integrated transparent base plate having a bottom surface, and an light emitting top surface. A prism array is formed on the emitting surface, and a plurality of particles is evenly embedded in a layer in the middle of the light guide plate, the layer is in parallel with the bottom surface and the emitting surface. A backlight module including the light guide plate is also disclosed.Type: ApplicationFiled: August 23, 2007Publication date: June 19, 2008Applicants: HON FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHANG-CHUN LIU, XIAO-LIN GAN, YU-KUANG HO