Patents by Inventor Yun-Hsiang Yeh
Yun-Hsiang Yeh 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: 11928295Abstract: A data transmission method includes: transmitting a plurality of first transmitting signals from a plurality of transmitting areas of the first touch device; determining, by the second touch device, whether a first sensing signal corresponding to the plurality of first transmitting signals is received; if yes selecting, by the second touch device, a receiving area in a first overlap range according to signal intensity of the first sensing signal; transmitting a second transmitting signal from the receiving area; determining, by the first touch device, whether a second sensing signal corresponding to the second transmitting signal is received; if yes, selecting, by the first touch device, a first transmitting area in a second overlap range from the plurality of transmitting areas according to signal intensity of the second sensing signal; determining a final transmitting area and a final receiving area; and performing a data transmission process.Type: GrantFiled: June 5, 2022Date of Patent: March 12, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Chung-Cher Lin, Yun-Hsiang Yeh, Ta-Keng Weng
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Publication number: 20230350515Abstract: A transmission system includes a first touch device and a second touch device. The second touch device includes a transmission region and the transmission region forms an invisible barcode. The first touch device and the second touch device work together to operate in a touch mode or in an application mode. When the first touch device and the second touch device work together to operate in the application mode, the transmission region uses the invisible barcode to transmit a transmission signal to the first touch device to unlock the first touch device.Type: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Inventors: Yi-Hsien WANG, Yun-Hsiang YEH
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Patent number: 11747936Abstract: A transmission system includes a first touch device and a second touch device. The first touch device and the second touch device work together to operate in a touch mode or in an application mode. When the first touch device and the second touch device work together to operate in the application mode, the first touch device acquires an absolute motion trajectory or an absolute rotation angle of the second touch device, and performs an application according to the absolute motion trajectory or the absolute rotation angle.Type: GrantFiled: July 6, 2022Date of Patent: September 5, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Yi-Hsien Wang, Yun-Hsiang Yeh
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Publication number: 20230016584Abstract: A transmission system includes a first touch device and a second touch device. The first touch device and the second touch device work together to operate in a touch mode or in an application mode. When the first touch device and the second touch device work together to operate in the application mode, the first touch device acquires an absolute motion trajectory or an absolute rotation angle of the second touch device, and performs an application according to the absolute motion trajectory or the absolute rotation angle.Type: ApplicationFiled: July 6, 2022Publication date: January 19, 2023Inventors: Yi-Hsien WANG, Yun-Hsiang YEH
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Publication number: 20230020075Abstract: A data transmission method includes: transmitting a plurality of first transmitting signals from a plurality of transmitting areas of the first touch device; determining, by the second touch device, whether a first sensing signal corresponding to the plurality of first transmitting signals is received; if yes selecting, by the second touch device, a receiving area in a first overlap range according to signal intensity of the first sensing signal; transmitting a second transmitting signal from the receiving area; determining, by the first touch device, whether a second sensing signal corresponding to the second transmitting signal is received; if yes, selecting, by the first touch device, a first transmitting area in a second overlap range from the plurality of transmitting areas according to signal intensity of the second sensing signal; determining a final transmitting area and a final receiving area; and performing a data transmission process.Type: ApplicationFiled: June 5, 2022Publication date: January 19, 2023Inventors: Chung-Cher LIN, Yun-Hsiang YEH, Ta-Keng WENG
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Patent number: 11543912Abstract: A touch detection method, suitable for a touch display panel including multiple sensing pads, is disclosed. The sensing pads are divided into groups and each of the groups includes at least two columns of the sensing pads. The touch detection method includes following steps. In a first mode, the sensing pads are scanned group-by-group for detecting whether a touch event occurs on a touch identified group. In a second mode, the sensing pads are scanned column-by-column to identify a touch position of the touch event.Type: GrantFiled: January 3, 2021Date of Patent: January 3, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Hsiang-Ting Chen, Yun-Hsiang Yeh, Yen-Heng Chen
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Patent number: 11487384Abstract: The invention provides a touch device and a communication method thereof. The touch device includes a display panel and a controller. The controller controls the display panel to perform a display driving operation and a touch sensing operation. The controller may transmit a first wireless signal to another slave communication device via the display panel in a touch sensing period. The controller may receive a second wireless signal sent by another master communication device via the display panel in the touch sensing period. When the touch device serves as one of a master communication device and a slave communication device, a time length of the touch sensing period is a first time length. When the touch device serves as the other of the master communication device and the slave communication device, the time length of the touch sensing period is a second time length greater than the first time length.Type: GrantFiled: September 16, 2021Date of Patent: November 1, 2022Assignee: Novatek Microelectronics Corp.Inventors: Tsung-Yu Wang, Yun-Hsiang Yeh, Yen-Heng Chen
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Patent number: 11397493Abstract: A method for touch sensing enhancement implemented in a single chip, a single chip capable of achieving touch sensing enhancement, and a computing apparatus are introduced. The single chip is used to be coupled to a display panel with a touch sensor and a fingerprint sensor. The computing apparatus may include the display panel, the single chip, and a processing unit, wherein the single chip is coupled between the display panel and processing unit. The method includes obtaining touch sensing data by a touch sensing module disposed within the single chip and coupled to the touch sensor; obtaining fingerprint sensing data by a fingerprint sensing module disposed within the single chip and coupled to the fingerprint sensor; and generating output touch data based on the touch sensing data and the fingerprint sensing data. With the contribution of the fingerprint sensing data, touch sensing enhancement can be achieved.Type: GrantFiled: May 27, 2020Date of Patent: July 26, 2022Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Jyun-Sian Li, Yun-Hsiang Yeh, Yen-Heng Chen
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Patent number: 11287925Abstract: An electronic circuit, adapted to drive a display panel comprising touch sensors, is provided. The electronic circuit can include a display driving circuit, a timing circuit and a touch scan circuit. The display driving circuit drives a touch display panel. The timing circuit receives a flag signal from a processing circuit and generates a scan start signal according to the flag signal. The touch scan circuit generates a plurality of touch scan signals according to the scan start signal and a touch column synchronization signal. The touch scan circuit determines a start time of a touch frame period according to a pulse of the scan start signal. The scan start signal can be asynchronous or delayed with respect to a touch frame synchronization signal generated by the display driving circuit.Type: GrantFiled: August 17, 2020Date of Patent: March 29, 2022Assignee: Novatek Microelectronics Corp.Inventors: Chung-Cher Lin, Yun-Hsiang Yeh, Ta-Keng Weng, Yi-Min Li
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Publication number: 20210373739Abstract: A method for touch sensing enhancement implemented in a single chip, a single chip capable of achieving touch sensing enhancement, and a computing apparatus are introduced. The single chip is used to be coupled to a display panel with a touch sensor and a fingerprint sensor. The computing apparatus may include the display panel, the single chip, and a processing unit, wherein the single chip is coupled between the display panel and processing unit. The method includes obtaining touch sensing data by a touch sensing module disposed within the single chip and coupled to the touch sensor; obtaining fingerprint sensing data by a fingerprint sensing module disposed within the single chip and coupled to the fingerprint sensor; and generating output touch data based on the touch sensing data and the fingerprint sensing data. With the contribution of the fingerprint sensing data, touch sensing enhancement can be achieved.Type: ApplicationFiled: May 27, 2020Publication date: December 2, 2021Inventors: Jyun-Sian Li, Yun-Hsiang Yeh, Yen-Heng Chen
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Patent number: 11182019Abstract: A touch scanning method shortening a first touch latency includes: scanning a Mth column of the N-column touch panel according to a touch scan (TSHD) signal; determining whether the finger is on the Mth column of the N-column touch panel according to a scan data signal; performing a fast done process according to a fast done signal when the finger is on the Mth column of the N-column touch panel; determining whether M equals to N when the finger is not on the Mth column of the N-column touch panel; and resetting M to 1 according to a scan start signal and performing an algorithm according to a finish flag signal.Type: GrantFiled: July 17, 2020Date of Patent: November 23, 2021Assignee: Novatek Microelectronics Corp.Inventors: Chung-Cher Lin, Yun-Hsiang Yeh, Ta-Keng Weng
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Publication number: 20210333974Abstract: A touch detection method, suitable for a touch display panel including multiple sensing pads, is disclosed. The sensing pads are divided into groups and each of the groups includes at least two columns of the sensing pads. The touch detection method includes following steps. In a first mode, the sensing pads are scanned group-by-group for detecting whether a touch event occurs on a touch identified group. In a second mode, the sensing pads are scanned column-by-column to identify a touch position of the touch event.Type: ApplicationFiled: January 3, 2021Publication date: October 28, 2021Inventors: Hsiang-Ting CHEN, Yun-Hsiang YEH, Yen-Heng CHEN
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Publication number: 20210286496Abstract: A touch scanning method shortening a first touch latency includes: scanning a Mth column of the N-column touch panel according to a touch scan (TSHD) signal; determining whether the finger is on the Mth column of the N-column touch panel according to a scan data signal; performing a fast done process according to a fast done signal when the finger is on the Mth column of the N-column touch panel; determining whether M equals to N when the finger is not on the Mth column of the N-column touch panel; and resetting M to 1 according to a scan start signal and performing an algorithm according to a finish flag signal.Type: ApplicationFiled: July 17, 2020Publication date: September 16, 2021Applicant: Novatek Microelectronics Corp.Inventors: Chung-Cher Lin, Yun-Hsiang Yeh, Ta-Keng Weng
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Publication number: 20210089188Abstract: An electronic circuit, adapted to drive a display panel comprising touch sensors, is provided. The electronic circuit can include a display driving circuit, a timing circuit and a touch scan circuit. The display driving circuit drives a touch display panel. The timing circuit receives a flag signal from a processing circuit and generates a scan start signal according to the flag signal. The touch scan circuit generates a plurality of touch scan signals according to the scan start signal and a touch column synchronization signal. The touch scan circuit determines a start time of a touch frame period according to a pulse of the scan start signal. The scan start signal can be asynchronous or delayed with respect to a touch frame synchronization signal generated by the display driving circuit.Type: ApplicationFiled: August 17, 2020Publication date: March 25, 2021Applicant: Novatek Microelectronics Corp.Inventors: Chung-Cher Lin, Yun-Hsiang Yeh, Ta-Keng Weng, Yi-Min Li
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Patent number: 9471190Abstract: A touch panel module including a touch panel area and a non-touch panel area is provided. The touch panel module includes a touch panel. The touch panel is located in the touch panel area. The touch panel senses a touch gesture by using a plurality of first and second sensing electrodes. At least one part of the first sensing electrodes is located in the non-touch panel area. Another one part of the first sensing electrodes and a whole of the second sensing electrodes are located in the touch panel area. The touch gesture touches the touch panel module to generate a touch area. A touch position corresponding to the touch gesture on the touch panel is determined based on a ratio of an area of the first sensing electrodes touched by the touch gesture and the touch area.Type: GrantFiled: December 2, 2014Date of Patent: October 18, 2016Assignee: Novatek Microelectronics Corp.Inventors: Chih-Chang Lai, Yun-Hsiang Yeh, Shih-Jung Lu, Wing-Kai Tang, Han-Chang Lin
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Publication number: 20150309604Abstract: A touch panel module including a touch panel area and a non-touch panel area is provided. The touch panel module includes a touch panel. The touch panel is located in the touch panel area. The touch panel senses a touch gesture by using a plurality of first and second sensing electrodes. At least one part of the first sensing electrodes is located in the non-touch panel area. Another one part of the first sensing electrodes and a whole of the second sensing electrodes are located in the touch panel area. The touch gesture touches the touch panel module to generate a touch area. A touch position corresponding to the touch gesture on the touch panel is determined based on a ratio of an area of the first sensing electrodes touched by the touch gesture and the touch area.Type: ApplicationFiled: December 2, 2014Publication date: October 29, 2015Inventors: Chih-Chang Lai, Yun-Hsiang Yeh, Shih-Jung Lu, Wing-Kai Tang, Han-Chang Lin
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Publication number: 20150277624Abstract: The present disclosure provides a detection method for a touch panel. The touch panel comprises a plurality of a first sensing electrode and a plurality of a second sensing electrode. The detection method comprises sensing a total self-capacitance of the first sensing electrodes, a plurality of self-capacitance of the second electrodes and a plurality of mutual capacitance when an object touches the touch panel; obtaining a plurality of self-capacitance of the first sensing electrodes according to the total self-capacitance of the first sensing electrodes, the self-capacitances of the second electrodes and the mutual capacitances and calculating coordinates of an object on the touch panel according to the self-capacitances of the first sensing electrodes.Type: ApplicationFiled: September 10, 2014Publication date: October 1, 2015Inventor: Yun-Hsiang Yeh
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Publication number: 20140306925Abstract: A sensing method for a touch panel is disclosed. The touch panel includes a plurality of sensing lines and a plurality of driving lines. The sensing method includes generating an electromagnetic signal or a capacitive signal; forming a plurality of first loops through the plurality of sensing lines to sense X coordinate of the electromagnetic signal on the touch panel and forming a plurality of second loops through the plurality of driving lines to sense Y coordinate of the electromagnetic signal on the touch panel when the electromagnetic signal is generated; sensing X coordinate of the capacitive signal through the plurality of sensing lines and sensing Y coordinate of the capacitive signal through the plurality of driving lines when the capacitive signal is generated.Type: ApplicationFiled: September 26, 2013Publication date: October 16, 2014Applicant: NOVATEK Microelectronics Corp.Inventors: Yun-Hsiang Yeh, Chih-Chang Lai
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Publication number: 20140232681Abstract: A touch sensing apparatus includes a touch sensing panel and a touch controller. The touch sensing panel includes a plurality of sensing channels for receiving a plurality of driving signals and sensing a touch event according to the driving signals. In a sensing duration, the touch sensing panel is switched between at least two operation modes among a plurality of operation modes to sense the touch event. The touch controller is configured to determine the type of the touch event according to the sensing results of the touch sensing panel in the at least two operation modes. In addition, a touch sensing method used in the above-mentioned touch sensing apparatus is provided as well.Type: ApplicationFiled: July 18, 2013Publication date: August 21, 2014Inventor: Yun-Hsiang Yeh
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Patent number: 8781789Abstract: A method for determining an incline angle of electromagnetic pointer is disclosed. The method comprises the following steps. First of all, an electromagnetic input pen/stylus is provided over antennas Xn/Yn along X/Y axes. Then a plurality of antennas at two sides of the antennas Xn/Yn are scanned. Next the signal distributions of the antennas Xn/Yn and the antennas at two side are analyzed. Then the number of antenna sampled of the signal distributions of the antennas at two side is determined. Next the antennas at two side are selected and the signal distributions are sampled and received according to the number of antenna sampled. Finally, an incline angle of the electromagnetic pointer is determined according to the sampled signal distributions.Type: GrantFiled: May 11, 2010Date of Patent: July 15, 2014Assignee: Waltop International CorporationInventors: Cheng-Liang Hsieh, Yun-Hsiang Yeh, Chia-Jui Yeh