Patents by Inventor Chun-Kai Wang
Chun-Kai Wang 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: 9151662Abstract: A method for visualizing sound source energy distribution in an echoic environment comprises steps: arranging in an echoic environment a plurality of arrayed sound pickup units, wherein each sound pickup unit includes at least two microphones separated by a directive distance enabling the sound pickup unit to have a primary pickup direction; disposing the sound pickup units with the primary pickup directions thereof pointing toward a sound source in the echoic environment, and measuring the sound source by the sound pickup units to obtain a sound source-related parameter; substituting the directive distance and the parameter into an algorithm to make the parameter have directivity; and then substituting the parameter into an ESM algorithm to establish a sound source energy distribution profile. Thereby, the method can measure a sound source in a specified direction in an echoic environment and establish a visualized sound source energy distribution profile.Type: GrantFiled: January 27, 2012Date of Patent: October 6, 2015Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Mingsian R. Bai, Ching-Cheng Chen, Yi-Yang Lo, Chun-Kai Wang, Shen-Wei Juan
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Patent number: 9151796Abstract: An automatic test equipment includes a test apparatus, a first control device, a first assisting device, and a second control device. The test apparatus is applied for testing a first object, wherein the test apparatus has a first cover. The first control device has an activating device. The first assisting device is electrically connected to the first control device. The second control device is electrically connected to the first control device and the test apparatus. When the activating device is activated, the first control device controls the first assisting device to lower the first cover and then the first control device transmits a first control signal to the second control device for allowing the test apparatus to test the first object.Type: GrantFiled: May 20, 2013Date of Patent: October 6, 2015Assignee: WISTRON CORPORATIONInventors: Chun-Kai Wang, Hai-Jun Peng
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Patent number: 9095086Abstract: An unloading system includes a casing, a conveying device, a capturing device and a control device. A first entrance, a first exit and a second exit are formed on the casing. The conveying device is for conveying a carrying component and a circuit board disposed on the carrying component from the first entrance. The capturing device is for capturing the circuit board and then conveying the circuit board to the first exit. The control device is electrically connected to the conveying device and the capturing device. The control device is for controlling the capturing device to capture the circuit board entering from the first entrance and then to convey the circuit board to the first exit. The control device is further for controlling the conveying device to convey the carrying component from which the circuit board is unloaded to the second exit.Type: GrantFiled: November 19, 2013Date of Patent: July 28, 2015Assignee: Wistron CorporationInventors: Hai-Jun Peng, Yu-Hsi Lan, Sui-Kuan Sun, Chun-Kai Wang
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Publication number: 20150193502Abstract: Technologies described herein relate to receiving data from a social networking application, wherein the data is generated by a first individual, and executing an entity extraction algorithm to extract at least one entity from the received data. A hyperlink is displayed on a computing device utilized by a second individual, wherein the hyperlink is based at least in part upon the at least one entity, and the hyperlink is configured to direct the first individual to a search engine and is further configured to cause the search engine to execute a search that pertains to the at least one entity.Type: ApplicationFiled: March 19, 2015Publication date: July 9, 2015Inventors: Emre Mehmet Kiciman, Chun-Kai Wang, Yi-Min Wang
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Patent number: 9022204Abstract: A manufacturing system includes a first conveyer apparatus, a second conveyer apparatus and a manufacturing apparatus. The first conveyer apparatus has a first conveyer unit and a first elevator unit. The first elevator unit is adapted to drive the first conveyer unit to move upward or downward between first and second positions. The second conveyer apparatus has a second conveyer unit and a second elevator unit. The second elevator unit is adapted to drive the second conveyer unit to move upward or downward between third and fourth positions. The manufacturing apparatus disposed between the first and second conveyer apparatuses has a manufacturing unit, a third conveyer unit and a fourth conveyer unit. A conveying path of the third conveyer unit passes through the manufacturing unit. The first and third positions are aligned to the third conveyer unit. The second and fourth positions are aligned to the third conveyer unit.Type: GrantFiled: October 22, 2013Date of Patent: May 5, 2015Assignee: Wistron CorporationInventors: Chun-Kai Wang, Hsueh-Yen Lai, Xin-Hua Wang
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Publication number: 20150102784Abstract: A power transmission control apparatus is for use with a vehicle that includes a power generator. The device includes a switching unit and a positioning unit. The switching unit includes an electric driving mechanism and an outer shell. The electric driving mechanism includes an. electric motor and a gear assembly. The positioning unit includes a position limiting member and an engaging portion that has first and second engaging ends. One gear of the gear assembly is driven by the electric motor to rotate between a non-supplying position, where the position limiting member engages the first engaging end and where the power generator cannot work, and a supplying position, where the position limiting member engages the second engaging end and where the power generator can work.Type: ApplicationFiled: October 7, 2014Publication date: April 16, 2015Inventors: CHUN-KAI WANG, CHAO-CHANG HO
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Patent number: 9009226Abstract: A method described herein includes acts of receiving data from a social networking application, wherein the data is generated by a first individual, and executing an entity extraction algorithm to extract at least one entity from the received data. The method also includes automatically causing a hyperlink to be displayed on a computing device utilized by a second individual, wherein the hyperlink is based at least in part upon the at least one entity, wherein the hyperlink is configured to direct the first individual to a search engine and is further configured to cause the search engine to execute a search that pertains to the at least one entity.Type: GrantFiled: December 9, 2009Date of Patent: April 14, 2015Assignee: Microsoft Technology Licensing, LLCInventors: Emre Mehmet Kiciman, Chun-Kai Wang, Yi-Min Wang
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Patent number: 9003904Abstract: A transmission assembly for a vehicle includes a transmission mechanism, a clutch unit and a switching mechanism. The transmission mechanism includes first and second gears meshing with each other. The clutch unit is slidable along a crankshaft rotation axis between an engaging position, in which the clutch unit engages the first gear, and a disengaging position, in which the clutch unit is disengaged from the first gear. The switching mechanism includes a motor, and a clutch-driving member that is driven by the motor to move relative to the transmission mechanism and the clutch unit and to drive sliding movement of the clutch unit from the disengaging position to the engaging position.Type: GrantFiled: September 19, 2013Date of Patent: April 14, 2015Assignee: Kwang Yang Motor Co., Ltd.Inventors: Chun-Kai Wang, Chao-Chang Ho
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Publication number: 20140373327Abstract: A press-fit assembly apparatus for pressing to join two frames includes a base, a moving mechanism, and a rolling-and-pressing device. The base is used for supporting the two frame stacked thereon. The moving mechanism includes a movable mount. The rolling-and-pressing device includes a fixed mount and a roller. The fixed mount is fixed on the movable mount. The roller is connected to the fixed mount. During a movement of the movable mount in a direction relative to the base, the roller can keep moving apart from the base substantially by a distance. Thereby the roller can touch one of the frames corresponding to two engagement portions of the two frames and roll and press the one frame for achieve the purpose of joining the two frames. Therefore, the invention improves the yield of the joining process for the two frames by the above rolling and pressing.Type: ApplicationFiled: December 30, 2013Publication date: December 25, 2014Applicant: Wistron CorporationInventors: Chun-Kai Wang, Hsueh-Yen Lai
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Publication number: 20140311857Abstract: A manufacturing system includes a first conveyer apparatus, a second conveyer apparatus and a manufacturing apparatus. The first conveyer apparatus has a first conveyer unit and a first elevator unit. The first elevator unit is adapted to drive the first conveyer unit to move upward or downward between first and second positions. The second conveyer apparatus has a second conveyer unit and a second elevator unit. The second elevator unit is adapted to drive the second conveyer unit to move upward or downward between third and fourth positions. The manufacturing apparatus disposed between the first and second conveyer apparatuses has a manufacturing unit, a third conveyer unit and a fourth conveyer unit. A conveying path of the third conveyer unit passes through the manufacturing unit. The first and third positions are aligned to the third conveyer unit. The second and fourth positions are aligned to the third conveyer unit.Type: ApplicationFiled: October 22, 2013Publication date: October 23, 2014Applicant: Wistron CorporationInventors: Chun-Kai Wang, Hsueh-Yen Lai, Xin-Hua Wang
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Publication number: 20140271056Abstract: An unloading system includes a casing, a conveying device, a capturing device and a control device. A first entrance, a first exit and a second exit are formed on the casing. The conveying device is for conveying a carrying component and a circuit board disposed on the carrying component from the first entrance. The capturing device is for capturing the circuit board and then conveying the circuit board to the first exit. The control device is electrically connected to the conveying device and the capturing device. The control device is for controlling the capturing device to capture the circuit board entering from the first entrance and then to convey the circuit board to the first exit. The control device is further for controlling the conveying device to convey the carrying component from which the circuit board is unloaded to the second exit.Type: ApplicationFiled: November 19, 2013Publication date: September 18, 2014Applicant: Wistron CorporationInventors: Hai-Jun Peng, Yu-Hsi Lan, Sui-Kuan Sun, Chun-Kai Wang
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Patent number: 8754439Abstract: A light-emitting element includes a light-emitting stack includes: a first semiconductor layer; an active layer formed on the first semiconductor layer; and a second semiconductor layer formed on the active layer; a recess structure formed through the second semiconductor layer, the active layer, and extended in the first semiconductor layer, wherein the first semiconductor layer includes a contact region defined by the recess structure; a first electrode structure including a first contact portion on the contact region of the first semiconductor layer, and a second contact portion laterally extended from the first contact portion into the first semiconductor layer; and a dielectric layer formed on side surfaces of the second semiconductor layer and the active layer to insulate the second semiconductor layer and the active layer from the first contact portion.Type: GrantFiled: December 31, 2012Date of Patent: June 17, 2014Assignee: Epistar CorporationInventors: Jui Hung Yeh, Chun Kai Wang, Wei Yu Yen, Yu Yao Lin, Chien Fu Shen, De Shan Kuo, Ting Chia Ko
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Publication number: 20140139235Abstract: An automatic test equipment and a testing method thereof are disclosed. The automatic test equipment includes a test apparatus, a first control device, a first assisting device, and a second control device. The test apparatus is applied for testing a first object, wherein the test apparatus has a first cover. The first control device has an activating device. The first assisting device is electrically connected to the first control device. The second control device is electrically connected to the first control device and the test apparatus. When the activating device is activated, the first control device controls the first assisting device to lower the first cover and then the first control device transmits a first control signal to the second control device for allowing the test apparatus to test the first object.Type: ApplicationFiled: May 20, 2013Publication date: May 22, 2014Applicant: Wistron CorporationInventors: Chun-Kai WANG, Hai-Jun PENG
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Patent number: 8729525Abstract: The present application relates to an opto-electronic device. The opto-electronic device includes an n-cladding layer, a p-cladding layer and a multi-quantum well structure. The multi-quantum well structure is located between the p-cladding layer and the n-cladding layer, and includes a plurality of barrier layers, a plurality of well layers and a barrier tuning layer. The barrier tuning layer is made by doping the barrier layer adjacent to the p-cladding layer with an impurity therein for changing an energy barrier thereof to improve the light extraction efficiency of the opto-electronic device.Type: GrantFiled: August 25, 2009Date of Patent: May 20, 2014Assignee: Epistar CorporationInventors: Jui-Yi Chu, Cheng-Ta Kuo, Yu-Pin Hsu, Chun-Kai Wang, Hsin-Hsien Wu, Yi-Chieh Lin
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Patent number: 8704252Abstract: This invention discloses a light-emitting device comprising a semiconductor stack layer having an active layer of a multiple quantum well (MQW) structure comprising alternate stack layers of quantum well layers and barrier layers, wherein the barrier layers comprise at least one doped barrier layer and one undoped barrier layer. The doped barrier layer can improve the carrier mobility of the electron holes and increase the light-emitting area and the internal quantum efficiency of the active layer.Type: GrantFiled: October 22, 2009Date of Patent: April 22, 2014Assignee: Epistar CorporationInventors: Chun-Kai Wang, Schang-Jing Hon, Yu-Pin Hsu, Jui-Yi Chu, Hsin-Hsien Wu, Wei-Yu Yen
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Publication number: 20140083219Abstract: A transmission assembly for a vehicle includes a transmission mechanism, a clutch unit and a switching mechanism. The transmission mechanism includes first and second gears meshing with each other. The clutch unit is slidable along a crankshaft rotation axis between an engaging position, in which the clutch unit engages the first gear, and a disengaging position, in which the clutch unit is disengaged from the first gear. The switching mechanism includes a motor, and a clutch-driving member that is driven by the motor to move relative to the transmission mechanism and the clutch unit and to drive sliding movement of the clutch unit from the disengaging position to the engaging position.Type: ApplicationFiled: September 19, 2013Publication date: March 27, 2014Applicant: KWANG YANG MOTOR CO., LTD.Inventors: Chun-Kai Wang, Chao-Chang Ho
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Publication number: 20140059137Abstract: A question associated with a first user may be obtained. A search link may be determined based on content of the first question A response may be obtained. Updates to a content graph may be initiated, including an addition of a question node and a first link indicating asking of the question by the first user, and an addition of a response node and a second link indicating an answer relationship between the question and the response, and a third link indicating answering of the question from a second user, the second user associated with the first user via a friend link indicating a friend connection relationship between nodes associated with the first user and the second user.Type: ApplicationFiled: October 21, 2013Publication date: February 27, 2014Applicant: Microsoft CorporationInventors: Chun-Kai Wang, Johnson Apacible
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Patent number: 8566394Abstract: A question associated with a first user may be obtained. A search link may be determined based on content of the first question A response may be obtained. Updates to a content graph may be initiated, including an addition of a question node and a first link indicating asking of the question by the first user, and an addition of a response node and a second link indicating an answer relationship between the question and the response, and a third link indicating answering of the question from a second user, the second user associated with the first user via a friend link indicating a friend connection relationship between nodes associated with the first user and the second user.Type: GrantFiled: June 17, 2011Date of Patent: October 22, 2013Assignee: Microsoft CorporationInventors: Chun-Kai Wang, Johnson Apacible
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Patent number: 8519430Abstract: An optoelectronic device includes a substrate and a first transition stack formed on the substrate including at least a first transition layer formed on the substrate and having at least one hollow component formed inside the first transition layer, and a second transition layer wherein the second transition layer is an unintentional doped layer or an undoped layer formed on the first transition layer.Type: GrantFiled: September 2, 2011Date of Patent: August 27, 2013Assignee: Epistar CorporationInventors: Wei-Chih Peng, Min-Hsun Hsieh, Ming-Chi Hsu, Wei-Yu Yen, Chun-Kai Wang, Yen-Chih Chen, Schang-Jing Hon, Hsin-Ying Wang, Chien-Kai Chung
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Patent number: 8478591Abstract: A phonetic variation model building apparatus, having a phoneme database for recording at least a standard phonetic model of a language and a plurality of non-standardized phonemes of the language is provided. A phonetic variation identifier identifies a plurality of phonetic variations between the non-standardized phonemes and the standard phonetic model. A phonetic transformation calculator calculates a plurality of coefficients of a phonetic transformation function based on the phonetic variations and the phonetic transformation function. A phonetic variation model generator generates at least a phonetic variation model based on the standard phonetic model, the phonetic transformation function and the coefficients thereof.Type: GrantFiled: December 15, 2009Date of Patent: July 2, 2013Assignee: Institute for Information IndustryInventors: Huan-Chung Li, Chung-Hsien Wu, Han-Ping Shen, Chun-Kai Wang, Chia-Hsin Hsieh