Patents by Inventor Yung Chang Cheng
Yung Chang Cheng 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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Patent number: 9660481Abstract: A wireless charger assembly is used for transferring power to an electronic device through inductive charging. The wireless charger assembly includes a bottom case releasably mounted to an exterior flatbed, a transmitter coil, and a top case. The transmitter coil transmits power to a receiver coil of the electronic device through inductive charging. The top case has a working platform mounted around the working surface of the flatbed, a neck portion extending downwardly from the working platform, and a slot defined by the working platform and the neck portion. The neck portion releasably retained to the closed loop wall.Type: GrantFiled: December 29, 2014Date of Patent: May 23, 2017Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Cheng-Pang Chen, Yung-Chang Cheng, Chi-Ming Chen, Jia-Hong Chen
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Publication number: 20150364860Abstract: An electrical connector assembly (200) comprises: an adapter connector (10) having a first connector (110), a second connector (120) electrically connected to the first connector, and a first shell (140) enclosing on the second connector and a rear end of the first connector; a plug connector (20) having a third connector (220) for mating with the second connector, a second shell enclosing on a rear end of the third connector, and a cable (230) connected to the third connector and exposed from a rear end of the second shell; a first magnetic member (310) fixed to a side of the first shell; and a second magnetic member (320) fixed to a side of the second shell; wherein the adapter connector is positionable beside the plug connector to enable attraction of the first magnetic member to the second magnetic member.Type: ApplicationFiled: June 15, 2015Publication date: December 17, 2015Inventor: YUNG-CHANG CHENG
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Publication number: 20150357757Abstract: An electrical connector assembly includes an adapter connector (10), a plug connector (20), and a pivoting member assembly (30) assembled between the adapter connector and the plug connector. The adapter connector includes a first connector (110), a second connector (120), and a first shell (140) enclosing on the first connector and the second connector. The plug connector includes a third connector (220) and a second shell (210) enclosing the third connector. The pivoting member assembly includes a first pivoting member (310) assembled on the first shell, a second pivoting member (320) assembled on the second shell and a third pivoting member (330) pivotally connected between the first pivoting member and the second pivoting member, wherein the first pivoting member and the second pivoting member are rotatable relative to the third pivoting member to connect/disconnect the adapter connector to/from the plug connector.Type: ApplicationFiled: June 5, 2015Publication date: December 10, 2015Inventors: XIN-HUA WU, YUNG-CHANG CHENG
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Publication number: 20150188357Abstract: A wireless charger assembly is used for transferring power to an electronic device through inductive charging. The wireless charger assembly includes a bottom case releasably mounted to an exterior flatbed, a transmitter coil, and a top case. The transmitter coil transmits power to a receiver coil of the electronic device through inductive charging. The top case has a working platform mounted around the working surface of the flatbed, a neck portion extending downwardly from the working platform, and a slot defined by the working platform and the neck portion. The neck portion releasably retained to the closed loop wall.Type: ApplicationFiled: December 29, 2014Publication date: July 2, 2015Inventors: CHENG-PANG CHEN, YUNG-CHANG CHENG, CHI-MING CHEN, JIA-HONG CHEN
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Publication number: 20130032425Abstract: The bicycle transmission device includes a hollow tube extending through the bottom bracket and two caps are connected to two ends of the hollow tube. A motor unit has two extensions and multiple fixing assemblies, wherein the extensions are positioned by the caps. The fixing assemblies fix the motor unit to the underside of the bicycle. A shaft extends through the hollow tube and a first one-way transmission device is connected to one end of the shaft. A chainwheel and a first passive wheel are connected to the other end of the transmission shaft. Two cranks are connected to two ends of the transmission shaft. A motor located in the motor unit and has a second passive wheel. The first and second passive wheels transmit energy via the belt. The present invention reduces the space required for the motor and balances the weight of the bicycle.Type: ApplicationFiled: July 25, 2012Publication date: February 7, 2013Applicant: NATIONAL CHENG KUNG UNIVERSITYInventors: SEN-YUNG LEE, YIH-RAN SHEU, YUNG-CHANG CHENG, JER-JIA SHEU, SHIH-WEN HSIAO, TING-WEI LIN, CHENG-CHE LIN
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Patent number: 8337259Abstract: An electrical connector includes an insulative housing (1) having a top wall (11) and a bottom wall (12) opposite to each other, at least one terminal slot located between the top wall and the bottom wall; a corresponding terminal (2) received in the terminal slot, and the terminal (2) having a body portion (20), a connecting portion (22) extending backwardly from the body portion and a contacting portion (29) extending forwardly from the body portion, the contacting portion (29) defining a positioning slot (28); and wherein there is a positioning member (121) located in the terminal slot and extending into the positioning slot.Type: GrantFiled: April 11, 2011Date of Patent: December 25, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: To-Ying Chen, Yung-Chang Cheng
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Patent number: 8333621Abstract: A electrical connector (100) includes an insulative housing (20) defining a plurality of contact slots (23) extending along a longitudinal direction, a plurality of cantilevered arms (24) extending into the contact slots, respectively, and a transversal groove (25) located in front of the cantilevered arms and communicating with the contact slots; a plurality of contacts (30) received in the contact slots, respectively, each contact having a retention portion (31), a mating portion (32) extending forwardly from the retention portion, a tail portion (33) extending backwardly from the retention portion and a connecting portion (35) connected to the mating portion, and a positioning portion (34, 34?) integrally formed with the retention portion and extending into the transversal groove.Type: GrantFiled: January 13, 2011Date of Patent: December 18, 2012Assignee: Hon Hai Precision Ind. Co., LtdInventors: To-Ying Chen, Yung-Chang Cheng, Min-Han Lin, Kai-Li Wang
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Patent number: 8188369Abstract: A cable connector assembly includes a housing, a flexible substrate, at least one matching stratum attached on the flexible substrate for regulating the impedance of flexible substrate and a shell. The housing includes a receiving space. The flexible substrate is received in the receiving space of the housing and includes a plurality of golden fingers exposed out the housing. The shell covers the flexible substrate without the golden fingers, the matching stratum and the housing and includes a connecting element electrically connected to the matching stratum.Type: GrantFiled: April 16, 2009Date of Patent: May 29, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Publication number: 20120122354Abstract: An electrical connector includes an insulative housing (1) having a top wall (11) and a bottom wall (12) opposite to each other, at least one terminal slot located between the top wall and the bottom wall; a corresponding terminal (2) received in the terminal slot, and the terminal (2) having a body portion (20), a connecting portion (22) extending backwardly from the body portion and a contacting portion (29) extending forwardly from the body portion, the contacting portion (29) defining a positioning slot (28); and wherein there is a positioning member (121) located in the terminal slot and extending into the positioning slot.Type: ApplicationFiled: April 11, 2011Publication date: May 17, 2012Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: TO-YING CHEN, YUNG-CHANG CHENG
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Patent number: 8133062Abstract: An electrical connector assembly comprises an insulative housing, a center pin having a first end protruding out of the insulative housing and a second end disposed in the insulative housing, a metallic sleeve enclosing the center pin for forming a receiving room therein and a protection member. The center pin is configured as a hollow structure and defines a center space therein with an opening at the second end thereof. The metallic sleeve comprises a solder portion disposed in the insulative housing. The protection member completely blocks the opening of the center pin.Type: GrantFiled: November 22, 2010Date of Patent: March 13, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Shuai Li, Yung-Chang Cheng
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Publication number: 20110256778Abstract: A electrical connector (100) includes an insulative housing (20) defining a plurality of contact slots (23) extending along a longitudinal direction, a plurality of cantilevered arms (24) extending into the contact slots, respectively, and a transversal groove (25) located in front of the cantilevered arms and communicating with the contact slots; a plurality of contacts (30) received in the contact slots, respectively, each contact having a retention portion (31), a mating portion (32) extending forwardly from the retention portion, a tail portion (33) extending backwardly from the retention portion and a connecting portion (35) connected to the mating portion, and a positioning portion (34, 34?) integrally formed with the retention portion and extending into the transversal groove.Type: ApplicationFiled: January 13, 2011Publication date: October 20, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: TO-YING CHEN, YUNG-CHANG CHENG, MIN-HAN LIN, KAI-LI WANG
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Publication number: 20110124241Abstract: An electrical connector assembly comprises an insulative housing, a center pin having a first end protruding out of the insulative housing and a second end disposed in the insulative housing, a metallic sleeve enclosing the center pin for forming a receiving room therein and a protection member. The center pin is configured as a hollow structure and defines a center space therein with an opening at the second end thereof. The metallic sleeve comprises a solder portion disposed in the insulative housing. The protection member completely blocks the opening of the center pin.Type: ApplicationFiled: November 22, 2010Publication date: May 26, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: SHUAI LI, YUNG-CHANG CHENG
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Patent number: 7931493Abstract: A cable assembly comprises an insulative housing defining an opening through two opposite top and bottom surfaces. A plurality of contacts are assembled in the insulative housing, each contact has a mating portion and a connecting portion. A plurality of wires are disposed on the top surface of the insulative housing, each wire defines a conductor electrically connected with the connecting portion and a metallic braiding layer surrounding the conductor. A conductive plate is assembled to the insulative housing and soldered with one side of the metallic braiding layers of the wires. A metallic shell encloses the insulative housing and defines a grounding tab extending into the corresponding opening of the insulative housing. The grounding tab is attached and soldered with another side of the metallic braiding layers of the wires facing to the opening of the insulative housing.Type: GrantFiled: August 4, 2009Date of Patent: April 26, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Patent number: 7924573Abstract: A card connector adapted for receiving a card, comprises an insulating housing defining a card insertion/ejection direction; a plurality of contacts received in the insulating housing, a shell and an ejector. The shell covers the insulating housing and is formed with a receiving portion. The receiving portion comprises an upper portion, a lower portion opposite to the upper portion and a connecting portion connecting the upper portion and the lower portion. The ejector has a front end received and locked in the receiving portion of the shell.Type: GrantFiled: June 26, 2007Date of Patent: April 12, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Patent number: 7909659Abstract: An electrical connector (100) includes an insulative housing (20), a plurality of conductive contacts retained in the insulative housing, a shielding member (3) covering the insulative housing and an insulative cover (50) molded outside of the shielding member. The insulative cover has a lever portion (53) extending inside the shielding member and being sandwiched between a portion of the shielding member and the insulative housing. The insulative cover defines a slit (510) on an outer surface (51) thereof for anti-mismating. The insulative cover has a floor piece (511) located below the slit. The lever portion is connected to the floor piece for preventing the floor piece from being cracked.Type: GrantFiled: June 24, 2010Date of Patent: March 22, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Patent number: 7883377Abstract: An electric connector includes a housing with a plurality of receiving grooves separated by a plurality of ribs, and a plurality of terminals which each has a rear edge received in one of the receiving grooves. Each of the rib includes a pair of wings formed by hot melting a protrusion defined on a tail of the rib. Each two wings received in the same receiving groove block one rear edge of the terminals.Type: GrantFiled: December 11, 2009Date of Patent: February 8, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Publication number: 20100330842Abstract: An electrical connector (100) includes an insulative housing (20), a plurality of conductive contacts retained in the insulative housing, a shielding member (3) covering the insulative housing and an insulative cover (50) molded outside of the shielding member. The insulative cover has a lever portion (53) extending inside the shielding member and being sandwiched between a portion of the shielding member and the insulative housing. The insulative cover defines a slit (510) on an outer surface (51) thereof for anti-mismating. The insulative cover has a floor piece (511) located below the slit. The lever portion is connected to the floor piece for preventing the floor piece from being cracked.Type: ApplicationFiled: June 24, 2010Publication date: December 30, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: YUNG-CHANG CHENG
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Patent number: 7857627Abstract: A connector assembly includes an electric connector, and a cable assembly mated with the electric connector. The electric connector includes a housing, a plurality of contacts received in the housing. The cable assemble includes a base board with a plurality of golden fingers, and a plurality of wires electrically connected to the golden fingers. The base board includes a mating portion and a connecting portion connected to the mating portion. The golden fingers are arranged on the mating portion and the wires are physically connected to the connecting portion. The mating portion is inserted into the housing of the electric connector.Type: GrantFiled: August 4, 2009Date of Patent: December 28, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Yung-Chang Cheng
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Patent number: RE41933Abstract: An optical connector assembly (2) has two optical connectors (3) and a combiner (5). Each optical connector has a connector body (30) with an angled latching arm (4) formed on the connector body. The latching arm has a fixed end (41) on the connector body and a free distal end. A groove (430) is defined on the distal end. The combiner has a combiner body (6) holding the optical connectors and a cantilevered trigger arm (7). The trigger arm has a fixed end on the combiner body and a free distal end. A rod (72) is formed on the distal end of the trigger arm, and is received in the grooves of the optical connectors.Type: GrantFiled: October 5, 2006Date of Patent: November 16, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Yung Chang Cheng, Chung Hsin Mou, Nan Tsung Huang
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Patent number: D698728Type: GrantFiled: June 4, 2013Date of Patent: February 4, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Cheng-Pang Chen, Yung-Chang Cheng