Patents by Inventor Jian-Cheng Liao
Jian-Cheng Liao 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: 20230273070Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: ApplicationFiled: May 4, 2023Publication date: August 31, 2023Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
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Publication number: 20230266297Abstract: An optical detection device is applied to an organism and includes a light emitting module, an optical detection module and an operation processor. The light emitting module includes a plurality of light emitters arranged along a first direction. The optical detection module includes a plurality of optical sensors arranged along a second direction and symmetrically relative to the light emitting module. The second direction is substantially different from the first direction. The optical sensors are substantially placed more outward from a center of the optical detection device than the light emitters. The operation processor is electrically connected to the optical detection module. The operation processor is adapted to analyze signal variation in the plurality of light emitters acquired by each of the plurality of optical sensors for determining a physiological feature of the organism.Type: ApplicationFiled: February 23, 2022Publication date: August 24, 2023Applicant: PixArt Imaging Inc.Inventors: Yung-Chang Lin, Che-Yen Kung, Jian-Cheng Liao, Hsiu-Ling Yeh
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Patent number: 11686623Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: GrantFiled: March 12, 2021Date of Patent: June 27, 2023Assignee: PIXART IMAGING INC.Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
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Publication number: 20210290158Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: a plurality of electrodes; a capacitance calculating circuit, coupled to the electrodes, configured to calculate capacitance variations generated by at least two of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variations. The wearing state determining circuit determines that the user wears the wearable electronic device in a proper manner if the capacitance variations indicate at least two of the electrodes indicate the user touches wearing state determining circuit. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
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Patent number: 11051758Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: at least one electrode; a capacitance calculating circuit, coupled to the electrode, configured to calculate a capacitance variation generated by at least one of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variation. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.Type: GrantFiled: October 3, 2019Date of Patent: July 6, 2021Assignee: PixArt Imaging Inc.Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
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Publication number: 20210199507Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
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Patent number: 10983009Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: GrantFiled: June 19, 2020Date of Patent: April 20, 2021Assignee: PIXART IMAGING INC.Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
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Publication number: 20210100502Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: at least one electrode; a capacitance calculating circuit, coupled to the electrode, configured to calculate a capacitance variation generated by at least one of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variation. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.Type: ApplicationFiled: October 3, 2019Publication date: April 8, 2021Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
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Patent number: 10891362Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.Type: GrantFiled: April 16, 2020Date of Patent: January 12, 2021Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chih-Hsin Lin, Tzung-Min Su, Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
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Publication number: 20200319033Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
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Patent number: 10732049Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: GrantFiled: September 27, 2018Date of Patent: August 4, 2020Assignee: PIXART IMAGING INC.Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
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Publication number: 20200242226Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.Type: ApplicationFiled: April 16, 2020Publication date: July 30, 2020Inventors: REN-HAU GU, CHIH-HSIN LIN, TZUNG-MIN SU, YUNG-CHANG LIN, JIAN-CHENG LIAO, CHUN-CHIH CHEN
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Patent number: 10698996Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.Type: GrantFiled: September 9, 2019Date of Patent: June 30, 2020Assignee: PIXART IMAGING INC.Inventors: Ren-Hau Gu, Chih-Hsin Lin, Tzung-Min Su, Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
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Publication number: 20200004943Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Inventors: Ren-Hau GU, Chih-Hsin LIN, Tzung-Min SU, Yung-Chang LIN, Jian-Cheng LIAO, Chun-Chih CHEN
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Publication number: 20190025127Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: ApplicationFiled: September 27, 2018Publication date: January 24, 2019Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
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Patent number: 10113912Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: GrantFiled: December 17, 2015Date of Patent: October 30, 2018Assignee: PIXART IMAGING INC.Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
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Publication number: 20160349114Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.Type: ApplicationFiled: December 17, 2015Publication date: December 1, 2016Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
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Publication number: 20140368750Abstract: A single-layer mutual capacitive touch screen includes a substrate; a control circuit, disposed at a side of the substrate; a plurality of touch sensing electrodes, arranged on the substrate in an N×M array and classified into a first group and a second group; a plurality of output pins, for connecting the control circuit to the plurality of touch sensing electrodes; and a plurality of driving wires, each connecting a touch sensing electrode and an output pin. In the first group, each touch sensing electrode located at odd columns of the N×M array substantially shares an output pin with an adjacent touch sensing electrode located in a first direction of the touch sensing electrode. In the second group, each touch sensing electrode located at even columns of the N×M array substantially shares an output pin with an adjacent touch sensing electrode located in the first direction of the touch sensing electrode.Type: ApplicationFiled: November 6, 2013Publication date: December 18, 2014Applicant: NOVATEK Microelectronics Corp.Inventors: Jian-Cheng Liao, Chih-Chang Lai
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Publication number: 20070110001Abstract: A method for reconnecting a wireless system in an interference environment is provided. The wireless system comprises a host and an end device. The method searches an available communication channel between the host and the end device asynchronously. The end device informs the host of the condition of the qualified channels through the available communication channel. The host determines the most suitable channel from the qualified channels for reconnection between the host and the end device, and then informs the end device of the most suitable channel through the communication channel. The host and the end device hence switch to the most suitable channel.Type: ApplicationFiled: December 28, 2005Publication date: May 17, 2007Inventors: I-Cheng Ting, Chih-Ming Hsieh, Ji-Tsong Shieh, Jian-Cheng Liao