Patents by Inventor Chung Wen Lo
Chung Wen Lo 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: 20240372821Abstract: A network communication apparatus, includes a dispatch device, a first core group with several parallel core units and a second core group with at least one serial core unit. The dispatch device receives several packets contained in several first packet flows, and configured to dispatch several meta data to the parallel core units through several first data flows, and the meta data contain tunnel parameters of the packets. Furthermore, the at least one serial core unit receives the meta data from the parallel core units through several second data flows.Type: ApplicationFiled: April 22, 2024Publication date: November 7, 2024Inventors: Ling-Yuan CHEN, Wei-Han KUO, Sheng-Wen HSU, Chung-Chi LO
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Publication number: 20240215868Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a wrist of a user. The light emitting unit is disposed on an inner side of the body, and the light emitting unit emits a light beam illuminating at least a portion of the wrist. The light sensing unit operatively senses the light beam reflected by the at least portion of the wrist and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.Type: ApplicationFiled: March 15, 2024Publication date: July 4, 2024Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 11969243Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a movable part of a user. The light emitting unit is disposed on an inner side of the body, wherein the light emitting unit emits a light beam illuminating at least a portion of the movable part. The light sensing unit operatively senses the light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.Type: GrantFiled: April 18, 2023Date of Patent: April 30, 2024Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Publication number: 20230248267Abstract: A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a movable part of a user. The light emitting unit is disposed on an inner side of the body, wherein the light emitting unit emits a light beam illuminating at least a portion of the movable part. The light sensing unit operatively senses the light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.Type: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 11672444Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: GrantFiled: January 24, 2022Date of Patent: June 13, 2023Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Publication number: 20220142512Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 11272862Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: GrantFiled: September 9, 2020Date of Patent: March 15, 2022Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Publication number: 20200405196Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 10806378Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: GrantFiled: December 2, 2019Date of Patent: October 20, 2020Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Publication number: 20200100708Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 10524700Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: GrantFiled: March 25, 2019Date of Patent: January 7, 2020Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Publication number: 20190216369Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: ApplicationFiled: March 25, 2019Publication date: July 18, 2019Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 10285627Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: GrantFiled: April 15, 2015Date of Patent: May 14, 2019Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chung-Wen Lo
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Patent number: 9753550Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface or any reference object with particular markers. The precise coding reference data can be generated by detecting surface features of the working surface.Type: GrantFiled: December 17, 2014Date of Patent: September 5, 2017Assignee: PixArt Imaging Inc.Inventors: Chung-Wen Lo, Hsin-Chia Chen
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Publication number: 20160305875Abstract: An action recognition system is illustrated. The action recognition system has an annular body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The annular body is worn on a movable part of a user. One end of the light emitting unit is exposed on an inner side of the annular body, wherein the light emitting unit emits a first light beam illuminating at least a portion of the movable part. One end of the light sensing unit is exposed on the inner side of the annular body. The light sensing unit operatively senses a second light beam reflected by the at least portion of the movable part and generates a light sensing signal. The action recognition module is configured to operatively determine an action of the user according to the light sensing signal.Type: ApplicationFiled: April 15, 2015Publication date: October 20, 2016Inventors: REN-HAU GU, CHUNG-WEN LO
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Patent number: 9395858Abstract: There is provided an operating method of a capacitive finger navigation device including the steps of: calculating a touch coordinate according to a predetermined position coordinate and associated detected variation of each of a plurality of detecting cells when the associated detected variations of the detecting cells exceed a threshold; mapping the touch coordinate to a touch position associated with a touch surface; entering a relative motion mode when the touch position is in a first area; and entering an absolute coordinate mode when the touch position is in a second area.Type: GrantFiled: July 22, 2014Date of Patent: July 19, 2016Assignee: Pixart Imaging Inc.Inventors: Chung-Wen Lo, Tom Murphy, Hsin-Chia Chen
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Patent number: 9389742Abstract: There is provided a capacitive touch device including a touch panel, a detection circuit and a processing unit. The touch panel includes a plurality of drive electrodes and a plurality of receiving electrodes configured to form a coupling electric field with an external touch panel, and the receiving electrodes are respectively configured to output a detection signal. The detection circuit is coupled to one of the receiving electrodes and configured to modulate the detection signal with two signals to generate two detection components. The processing unit is configured to obtain a phase value according to the two detection components to accordingly decode transmission data.Type: GrantFiled: December 10, 2014Date of Patent: July 12, 2016Assignee: Pixart Imaging Inc.Inventors: Ken Crandall, Chung-Wen Lo, David Touney, Tom Murphy, Hsin-Chia Chen
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Publication number: 20160170516Abstract: There is provided a capacitive touch device including a touch panel, a detection circuit and a processing unit. The touch panel includes a plurality of drive electrodes and a plurality of receiving electrodes configured to form a coupling electric field with an external touch panel, and the receiving electrodes are respectively configured to output a detection signal. The detection circuit is coupled to one of the receiving electrodes and configured to modulate the detection signal with two signals to generate two detection components. The processing unit is configured to obtain a phase value according to the two detection components to accordingly decode transmission data.Type: ApplicationFiled: December 10, 2014Publication date: June 16, 2016Inventors: KEN CRANDALL, CHUNG-WEN LO, DAVID TOUNEY, TOM MURPHY, HSIN-CHIA CHEN
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Patent number: 9256332Abstract: There is provided a concurrent driving capacitive touch sensing device including a drive end, a capacitive sensing matrix and a detection end. The capacitive sensing matrix includes a plurality of drive electrodes and sense electrodes crossing to each other. The drive end is configured to concurrently input cycle data of encoded and modulated drive signals into the drive electrodes. The detection end is coupled to one of the sense electrodes and configured to acquire a predetermined number of sampled values corresponding to the cycle data associated with the coupled sense electrode and generate a response signal to the drive end according to the sampled values, wherein the drive end resends the cycle data according to the response signal.Type: GrantFiled: March 19, 2014Date of Patent: February 9, 2016Assignee: Pixart Imaging Inc.Inventors: Chung-Wen Lo, Ken Crandall, Hsin-Chia Chen, Raman Sahgal
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Publication number: 20160026283Abstract: There is provided an operating method of a capacitive finger navigation device including the steps of: calculating a touch coordinate according to a predetermined position coordinate and associated detected variation of each of a plurality of detecting cells when the associated detected variations of the detecting cells exceed a threshold; mapping the touch coordinate to a touch position associated with a touch surface; entering a relative motion mode when the touch position is in a first area; and entering an absolute coordinate mode when the touch position is in a second area.Type: ApplicationFiled: July 22, 2014Publication date: January 28, 2016Inventors: CHUNG-WEN LO, TOM MURPHY, HSIN-CHIA CHEN