Patents by Inventor Cheng-Hsi Liu
Cheng-Hsi Liu 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: 20190079288Abstract: A head-mounted display (HMD) system and an image display method thereof are provided. The HMD system has an HMD apparatus and a handheld electronic apparatus. The HMD apparatus has a connector and generates a multi-axis positioning information according to motion status. The handheld electronic apparatus receives the multi-axis positioning information via the connector and provides a display image data corresponding to the multi-axis positioning information. The HMD apparatus receives the display image data and executes an image display operation according to the display image data.Type: ApplicationFiled: September 13, 2017Publication date: March 14, 2019Applicant: HTC CorporationInventors: Cheng-Hsi Liu, Chia-Chu Ho, Min-Chi Chung
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Patent number: 9946353Abstract: A message processing method for a portable electronic device includes the steps of: detecting, by a motion sensor, a plurality of first knocks of an object on the portable electronic device and generating a plurality of first detecting signals according to the plurality of first knocks; and encoding, by an encoding system, the plurality of first detecting signals to generate a first message code, wherein a first message is decodable from the first message code by a decoding system.Type: GrantFiled: August 21, 2014Date of Patent: April 17, 2018Assignee: HTC CORPORATIONInventors: Cheng-Hsi Liu, Wei-Chien Wang
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Patent number: 9807507Abstract: An electronic accessory apparatus and audible signal transmission method thereof are provided. The electronic accessory apparatus includes a type C USB connector, a first switch circuit, a second switch circuit, a grounding switch circuit and a first channel selector. The type C USB connector has a plurality of data pin sets, a first ground pin, and a second ground pin. The first switch circuit transports a data signal set or an audible output signal set to a first selected data pin set according to a first control signal. The second switch circuit transports the audible output signal set to the first selected data pin set according to the first control signal. The grounding switch circuit is turned on or cut off according to a second control signal. The first channel selector sets a signal transmission relation between the first audible input signal set and the first and second ground pins.Type: GrantFiled: October 17, 2016Date of Patent: October 31, 2017Assignee: HTC CorporationInventors: Cheng-Hsi Liu, Kuo-Pin Fang, Wei-Syuan Lin, Ching-Jung Tsai
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Patent number: 9298304Abstract: An electronic device and a corresponding touch-sensing method are provided. The electronic device includes a display module integrated with a first touch sensor, a second touch sensor, and a sense circuitry. The first touch sensor generates a first sensing signal in response to a first driving signal. The second touch sensor generates a second sensing signal in response to a second driving signal. The sense circuitry is coupled to the first and the second touch sensors. The sense circuitry receives and analyzes the first sensing signal and the second sensing signal.Type: GrantFiled: September 7, 2012Date of Patent: March 29, 2016Assignee: HTC CorporationInventors: Pi-Lin Lo, Te-Mu Chen, Cheng-Hsi Liu, Yi-Fan Hsueh
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Publication number: 20160054801Abstract: A message processing method for a portable electronic device includes the steps of: detecting, by a motion sensor, a plurality of first knocks of an object on the portable electronic device and generating a plurality of first detecting signals according to the plurality of first knocks; and encoding, by an encoding system, the plurality of first detecting signals to generate a first message code, wherein a first message is decodable from the first message code by a decoding system.Type: ApplicationFiled: August 21, 2014Publication date: February 25, 2016Inventors: Cheng-Hsi LIU, Wei-Chien WANG
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Patent number: 9229564Abstract: An electronic device and a touch display panel of the electronic device are provided. The touch display panel receives a touch driving signal and generates a sense signal in response to the touch driving signal, wherein the sense signal is analyzed to calculate a touch position on the touch display. The touch display panel includes a transmitting circuit and a grounding electrode. The transmitting circuit distributes the touch driving signal in the touch display panel. The grounding electrode is disposed over the transmitting circuit and at least partially covers the transmitting circuit, wherein the grounding electrode is a grounded conductor.Type: GrantFiled: January 15, 2013Date of Patent: January 5, 2016Assignee: HTC CorporationInventors: Te-Mu Chen, Pi-Lin Lo, Cheng-Hsi Liu, Yi-Fan Hsueh
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Patent number: 9143720Abstract: A handheld electronic device is provided. The handheld electronic device comprises a main body, a processing unit, an image projection module, a motion sensor, a first light sensor and a second light sensor. The processing module is disposed in the main body to generate display data. The image projection module generates a projection image according to the display data. The motion sensor senses an orientation of the handheld electronic device. The first and second light sensors sense an ambient light. The processing unit generates the display data according to the ambient light sensed by the first light sensor when the processing module determines that the orientation is a first orientation and according to the ambient light sensed by the second light sensor when the processing module determines that the orientation is a second orientation.Type: GrantFiled: October 31, 2013Date of Patent: September 22, 2015Assignee: HTC CorporationInventors: Wei-Chien Wang, Chih-Wei Hsu, Cheng-Hsi Liu
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Publication number: 20150116601Abstract: A handheld electronic device is provided. The handheld electronic device comprises a main body, a processing unit, an image projection module, a motion sensor, a first light sensor and a second light sensor. The processing module is disposed in the main body to generate display data. The image projection module generates a projection image according to the display data. The motion sensor senses an orientation of the handheld electronic device. The first and second light sensors sense an ambient light. The processing unit generates the display data according to the ambient light sensed by the first light sensor when the processing module determines that the orientation is a first orientation and according to the ambient light sensed by the second light sensor when the processing module determines that the orientation is a second orientation.Type: ApplicationFiled: October 31, 2013Publication date: April 30, 2015Applicant: HTC CorporationInventors: Wei-Chien WANG, Chih-Wei HSU, Cheng-Hsi LIU
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Publication number: 20150109096Abstract: A handheld electronic device is provided. The handheld electronic device comprises a storage unit, an audio sensor, a processing unit and a wireless control unit. The storage unit is configured to store first device data and first control data. The audio sensor is configured to receive an audio and generates an audio signal accordingly. The processing module identifies electronic device information according to the audio input and searches the storage module to retrieve a corresponding device code set from the device code sets. The infrared control module generates an infrared control signal to an electronic device to be controlled according to the corresponding device code set and an input control signal from the processing module after the corresponding device code set is retrieved to control the electronic device.Type: ApplicationFiled: October 23, 2013Publication date: April 23, 2015Applicant: HTC CorporationInventors: Wei-Chien WANG, Chih-Wei HSU, Cheng-Hsi LIU
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Patent number: 8988388Abstract: An electronic device and a method for scanning a touch panel of the electronic device are provided. The electronic device includes a touch panel and a control circuitry. The touch panel includes a plurality of touch sensors. The control circuitry is coupled to the touch panel. The control circuitry charges each of the touch sensors according to a preset charge period of the touch sensor and detects the maximum difference in charge characteristics of the touch sensors. The control circuitry adjusts the preset charge periods of the touch sensors according to the charge characteristics of the touch sensors and a preset limit of the preset charge periods of the touch sensors when the maximum difference is higher than a preset threshold.Type: GrantFiled: September 9, 2012Date of Patent: March 24, 2015Assignee: HTC CorporationInventors: Yi-Fan Hsueh, Te-Mu Chen, Pi-Lin Lo, Kuang-Hua Lee, Cheng-Hsi Liu
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Publication number: 20140232665Abstract: An electronic apparatus is provided. The electronic apparatus includes a cover glass, a display module and a mask layer. The display module is integrated with a touch sensor and is disposed under the cover glass. The display module has a display area for displaying image. The touch sensor includes a plurality of first electrodes forming a first sensing area overlapped with the display area, a plurality of second electrodes forming a second sensing area not overlapped with the display area and a plurality of third electrodes disposed under the plurality of first electrodes and the plurality of second electrodes. The mask layer is disposed between the cover glass and the second sensing area. The mask layer includes at least one non-transparent part and at least one transparent part.Type: ApplicationFiled: February 21, 2013Publication date: August 21, 2014Applicant: HTC CORPORATIONInventors: Kuang-Hua Lee, Te-Mu Chen, Yi-Fan Hsueh, Cheng-Hsi Liu, Pi-Lin Lo
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Patent number: 8666456Abstract: A handheld electronic apparatus including a casing, a cover, a motherboard, an in-cell touch display module, a light guide member, and a touch module is provided. The cover covers a casing opening, and constitutes an accommodation space with the casing. The cover has a first area and a second area having a light transmissive icon. The motherboard is electrically connected with the in-cell touch display module and the touch module. The in-cell touch display module has a display area disposed beneath the first area. The light guide member is disposed within the accommodation space, and capable of guiding a light generated from a light emitting element to the light transmissive icon. The light guide member has a sheet-shaped portion disposed beneath the second area by corresponding to the light transmissive icon. The touch module is disposed within the accommodation space and beneath the second area.Type: GrantFiled: August 15, 2012Date of Patent: March 4, 2014Assignee: HTC CorporationInventors: Cheng-Hsi Liu, Pi-Lin Lo, Jih-Jonq Shiue, Chung-Ju Wu
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Publication number: 20130095885Abstract: A handheld electronic apparatus including a casing, a cover, a motherboard, an in-cell touch display module, a light guide member, and a touch module is provided. The cover covers a casing opening, and constitutes an accommodation space with the casing. The cover has a first area and a second area having a light transmissive icon. The motherboard is electrically connected with the in-cell touch display module and the touch module. The in-cell touch display module has a display area disposed beneath the first area. The light guide member is disposed within the accommodation space, and capable of guiding a light generated from a light emitting element to the light transmissive icon. The light guide member has a sheet-shaped portion disposed beneath the second area by corresponding to the light transmissive icon. The touch module is disposed within the accommodation space and beneath the second area.Type: ApplicationFiled: August 15, 2012Publication date: April 18, 2013Applicant: HTC CORPORATIONInventors: Cheng-Hsi Liu, Pi-Lin Lo, Jih-Jonq Shiue, Chung-Ju Wu
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Publication number: 20130093701Abstract: An electronic device and a corresponding touch-sensing method are provided. The electronic device includes a display module integrated with a first touch sensor, a second touch sensor, and a sense circuitry. The first touch sensor generates a first sensing signal in response to a first driving signal. The second touch sensor generates a second sensing signal in response to a second driving signal. The sense circuitry is coupled to the first and the second touch sensors. The sense circuitry receives and analyzes the first sensing signal and the second sensing signal.Type: ApplicationFiled: September 7, 2012Publication date: April 18, 2013Applicant: HTC CORPORATIONInventors: Pi-Lin Lo, Te-Mu Chen, Cheng-Hsi Liu, Yi-Fan Hsueh
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Publication number: 20130069894Abstract: An electronic device and a method for driving a touch sensor integrated in a display module of an electronic device are provided. The electronic device includes a display module with a touch sensor integrated in the display module, a drive circuitry, and a sense circuitry. The drive circuitry is configured to apply drive signals to the display module and the touch sensor. The sense circuitry is configured to determine a mode for the drive circuitry to apply the drive signals, detect one or more sense signal from the touch sensor, analyze the sense signals, and change the mode of the drive signals for the touch sensor.Type: ApplicationFiled: September 13, 2012Publication date: March 21, 2013Applicant: HTC CorporationInventors: Te-Mu Chen, Pi-Lin Lo, Cheng-Hsi Liu, Yi-Fan Hsueh
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Publication number: 20130069909Abstract: An electronic device and a method for scanning a touch panel of the electronic device are provided. The electronic device includes a touch panel and a control circuitry. The touch panel includes a plurality of touch sensors. The control circuitry is coupled to the touch panel. The control circuitry charges each of the touch sensors according to a preset charge period of the touch sensor and detects the maximum difference in charge characteristics of the touch sensors. The control circuitry adjusts the preset charge periods of the touch sensors according to the charge characteristics of the touch sensors and a preset limit of the preset charge periods of the touch sensors when the maximum difference is higher than a preset threshold.Type: ApplicationFiled: September 9, 2012Publication date: March 21, 2013Applicant: HTC CORPORATIONInventors: Yi-Fan Hsueh, Te-Mu Chen, Pi-Lin Lo, Kuang-Hua Lee, Cheng-Hsi Liu
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Publication number: 20130069895Abstract: An electrical apparatus having a panel is disclosed. The electrical apparatus includes a processor, a touch controller and a display driver. The processor unitsets one of a scan frequency and a display frequency to be a setting frequency, and generates the other of the scan frequency and the display frequency based on the setting frequency. The touch controller makes the panel detects a touch based on the scan frequency, and the display driver makes the panel display images based on the display frequency. The touch controller detects a noise detected value from the electrical apparatus. The touch controller or the processor unitadjusts the setting frequency based on the noise detected value, and adjusts the touch scan frequency or the display frequency which is not the setting frequency based on the setting frequency.Type: ApplicationFiled: September 14, 2012Publication date: March 21, 2013Applicant: HTC CORPORATIONInventors: Pi-Lin Lo, Cheng-Yang Liao, Cheng-Hsi Liu, Yi-Fan Hsueh, Te-Mu Chen
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Patent number: 7448917Abstract: A connector for connecting a host and a peripheral device is disclosed. The connector includes N pin groups and each of the N pin groups has different pin length, wherein N is a positive integer and is greater than or equal to 3. The first pin group consists of ground pins and has the longest pin length.Type: GrantFiled: January 10, 2007Date of Patent: November 11, 2008Assignee: HTC CorporationInventors: Yu-Jing Liao, Yao-Chung Lin, Yi-Tsung Cheng, Wei-Chih Chang, Yu-Chun Peng, Cheng-Hsi Liu
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Publication number: 20070218725Abstract: A connector for connecting a host and a peripheral device is disclosed. The connector includes N pin groups and each of the N pin groups has different pin length, wherein N is a positive integer and is greater than or equal to 3. The first pin group consists of ground pins and has the longest pin length.Type: ApplicationFiled: January 10, 2007Publication date: September 20, 2007Applicant: HIGH TECH COMPUTER, CORP.Inventors: Yu-Jing Liao, Yao-Chung Lin, Yi-Tsung Cheng, Wei-Chih Chang, Yu-Chun Peng, Cheng-Hsi Liu