Patents by Inventor Po Liao

Po 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).

  • Patent number: 11815369
    Abstract: The differential capacitor device includes a differential capacitor sensing component, a calibration capacitor assembly and two output terminals. The differential capacitive sensing element has a common point terminal, a first non-common point terminal and a second non-common point terminal, and the common point terminal is configured to receive an input voltage. The calibration capacitor assembly has a first calibration capacitor and a second calibration capacitor, one terminal of the calibration capacitor assembly is coupled to the first non-common point terminal and the second non-common point terminal, and the other terminal of the calibration capacitor assembly is configured to receive a first calibration voltage and a second calibration voltage. The two output terminals are respectively coupled to the first non-common point terminal and the second non-common point terminal to output a first signal and a second signal.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: November 14, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Lu-Po Liao, Chin-Fu Kuo, Liang-Ying Liu, Yu-Sheng Lin
  • Publication number: 20230184567
    Abstract: The differential capacitor device includes a differential capacitor sensing component, a calibration capacitor assembly and two output terminals. The differential capacitive sensing element has a common point terminal, a first non-common point terminal and a second non-common point terminal, and the common point terminal is configured to receive an input voltage. The calibration capacitor assembly has a first calibration capacitor and a second calibration capacitor, one terminal of the calibration capacitor assembly is coupled to the first non-common point terminal and the second non-common point terminal, and the other terminal of the calibration capacitor assembly is configured to receive a first calibration voltage and a second calibration voltage. The two output terminals are respectively coupled to the first non-common point terminal and the second non-common point terminal to output a first signal and a second signal.
    Type: Application
    Filed: July 12, 2022
    Publication date: June 15, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Lu-Po LIAO, Chin-Fu KUO, Liang-Ying LIU, Yu-Sheng LIN
  • Patent number: 11547105
    Abstract: A spinning fishing reel includes a housing, a line spool reciprocatingly moveable relative to the housing, a rotor rotatable relative to the line spool, a gear disc rotatably mounted inside the housing, and a handle assembly. The gear disc includes a shaft tube, and an internal thread portion and a stop portion both provided at an inner wall of the shaft tube. The handle assembly includes a handle and a drive shaft having a first end pivotally connected with the handle. The drive shaft has an external thread portion engaged with the internal thread portion of the gear disc in a way that the drive shaft is penetrated through an opening of the housing and inserted into the shaft tube of the gear disc, and a second end of the drive shaft is abutted against the stop portion of the gear disc.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: January 10, 2023
    Assignee: OKUMA FISHING TACKLE CO. LTD.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Publication number: 20220408708
    Abstract: A spinning fishing reel includes a housing, a line spool reciprocatingly moveable relative to the housing, a rotor rotatable relative to the line spool, a gear disc rotatably mounted inside the housing, and a handle assembly. The gear disc includes a shaft tube, and an internal thread portion and a stop portion both provided at an inner wall of the shaft tube. The handle assembly includes a handle and a drive shaft having a first end pivotally connected with the handle. The drive shaft has an external thread portion engaged with the internal thread portion of the gear disc in a way that the drive shaft is penetrated through an opening of the housing and inserted into the shaft tube of the gear disc, and a second end of the drive shaft is abutted against the stop portion of the gear disc.
    Type: Application
    Filed: June 23, 2021
    Publication date: December 29, 2022
    Inventors: Liang-Jen CHANG, Ching-Po LIAO
  • Patent number: 11213022
    Abstract: A transmission mechanism of a spinning fishing reel includes a transmission shaft having a shaft body with an axial hole and a cut slit communicating with the axial hole, a gear disc having a tube portion, through which the shaft body is inserted such that the gear disc is drivenable by the transmission shaft to rotate, and a bolt having a head and a shank. The shank is screwingly threaded into the axial hole in a way that the head of the blot is abutted against an end of the tube portion of the gear disc, such that the outer periphery of the shaft body is expanded to firmly abut against the inner periphery of the tube portion. As such, the operational smoothness and stability of the product are enhanced by the transmission mechanism. Further, the transmission mechanism can be easily assembled with low manufacturing cost.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: January 4, 2022
    Assignee: OKUMA FISHING TACKLE CO. LTD.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Publication number: 20210076652
    Abstract: A transmission mechanism of a spinning fishing reel includes a transmission shaft having a shaft body with an axial hole and a cut slit communicating with the axial hole, a gear disc having a tube portion, through which the shaft body is inserted such that the gear disc is drivenable by the transmission shaft to rotate, and a bolt having a head and a shank. The shank is screwingly threaded into the axial hole in a way that the head of the blot is abutted against an end of the tube portion of the gear disc, such that the outer periphery of the shaft body is expanded to firmly abut against the inner periphery of the tube portion. As such, the operational smoothness and stability of the product are enhanced by the transmission mechanism. Further, the transmission mechanism can be easily assembled with low manufacturing cost.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 18, 2021
    Inventors: LIANG-JEN CHANG, CHING-PO LIAO
  • Patent number: 10624326
    Abstract: A gear shifting device of a drum fishing reel includes first and second gears having first and second through holes respectively, and a gear shaft extending through the first and second through holes and having two through grooves. A shifting rod is provided with two elongated holes and axially moveably inserted into a shaft hole of the gear shaft. A key is inserted through the through grooves and the elongated holes and abutted with a spring disposed inside the shifting rod. When the key is inserted into the first through hole or the second through hole, the first gear or the second gear is rotatably driven by the gear shaft. As such, the key can be positioned positively, the speed changing motion acts smoothly, and the gear shifting device can be easily assembled with stable quality.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: April 21, 2020
    Assignee: OKUMA FISHING TACKLE CO., LTD.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Publication number: 20200091778
    Abstract: A wireless transmission system and a method thereof for power and data transmission are provided. The wireless transmission system includes a first apparatus and a second apparatus. The first apparatus includes a power supply, a wireless charging transmitter and a first communication transceiver. The wireless charging transmitter is coupled to the power supply and transmits the power. The first communication transceiver is coupled to the power supply. The second apparatus includes a wireless charging receiver and a second communication transceiver. The wireless charging receiver receives the power. The second communication transceiver is turned on by the power and performs a data transmission with the first communication transceiver. Accordingly, electric power and data can be transmitted wirelessly, so that the wall of house would not need to be drilled.
    Type: Application
    Filed: September 13, 2018
    Publication date: March 19, 2020
    Applicant: ZyXEL Communications Corp.
    Inventors: Chin-Po Liao, Ching-Liang Lee
  • Patent number: 9997643
    Abstract: A diode structure includes a rectangular first doping region, and a second doping region surrounds the first doping region wherein the first doping region and the second doping region are separated by a first isolation structure. A third doping region surrounds the second doping region wherein the second doping region and the third doping region are separated by a second isolation structure. The first isolation structure, the second doping region, the second isolation structure and the third doping region are arranged in a quadruple concentric rectangular ring surrounding the first doping region.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: June 12, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ke-Feng Lin, Hsuan-Po Liao, Ming-Shun Hsu, Chih-Chung Wang, Chiu-Te Lee, Shih-Teng Huang
  • Patent number: 9901086
    Abstract: A brake mechanism of a fishing reel is provided. The fishing reel has a shaft and a gear. The brake mechanism includes a washer set, a tubular member, a brake adjusting device, a first stair portion and a spring member. The washer set includes a first driving washer sleeved at non-circular section of the shaft, and a first brake washer located between the first driving washer and the gear. The tubular member is movably disposed at non-circular section of the shaft and abutted against the washer set. The brake adjusting device is sleeved to the shaft, abutted against the tubular member, and includes a control member screwingly engaged to thread section of the shaft. The spring member is sleeved to the shaft and abutted against the first driving washer and first stair portion, respectively. Accordingly, the fishing reel not only brakes reliably, but also releases a brake status properly.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: February 27, 2018
    Assignee: OKUMA FISHING TACKLE CO., LTD.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Patent number: 9807991
    Abstract: A brake mechanism of a fishing reel is provided, which includes a washer set, an operation member, a tubular member and a brake adjusting device. The fishing reel includes a shaft. The washer set includes a first driving washer and a first brake washer sleeved to the shaft. The operation member is coupled with the first driving washer, rotatable together, extended through the washer set, located between the shaft and washer set, and abutted against the washer set. The tubular member is axially movably disposed at the shaft and abutted against the operation member. The brake adjusting device is sleeved to the shaft and abutted against the tubular member and includes a control member screwingly engaged to a thread section of the shaft. Accordingly, the shaft would not be damaged by the washer set, and a brake status being released smoothly can be ensured.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: November 7, 2017
    Assignee: Okuma Fishing Tackle Co., Ltd.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Patent number: 9700034
    Abstract: A quick brake adjust knob, which is disposed on an axle of a fishing reel, includes a base disc, a passive member, an elastic member, a threaded member, an active member, and a panel disc. The passive member has a first arc slope gradually approaching the outside of the knob from a first staring end thereof to a first terminal end thereof and C-shaped with a breach where a first recess is provided. The active member has a first protrusion abutted against the first arc slope or accommodated in the first recess. The panel disc is fixed to the active member and rotatable relative to the base disc. The periphery of the panel disc is joined with the periphery of the base disc. Therefore, the quick brake adjust knob can quickly and precisely control the resistance of the fishing reel to stretch out the fishing wire.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 11, 2017
    Assignee: OKUMA FISHING TACKLE CO., LTD.
    Inventors: Liang-Jen Chang, Ching-Po Liao
  • Publication number: 20170162721
    Abstract: A diode structure includes a rectangular first doping region, and a second doping region surrounds the first doping region wherein the first doping region and the second doping region are separated by a first isolation structure. A third doping region surrounds the second doping region wherein the second doping region and the third doping region are separated by a second isolation structure. The first isolation structure, the second doping region, the second isolation structure and the third doping region are arranged in a quadruple concentric rectangular ring surrounding the first doping region.
    Type: Application
    Filed: January 7, 2016
    Publication date: June 8, 2017
    Inventors: Ke-Feng Lin, Hsuan-Po Liao, Ming-Shun Hsu, Chih-Chung Wang, Chiu-Te Lee, Shih-Teng Huang
  • Patent number: 9563102
    Abstract: This invention provides a signal processing method of multiple micro-electro-mechanical system devices. The signal processing method includes: providing at least two MEMS devices; applying driving or modulating signals of different frequencies to the MEMS devices such that the MEMS devices generate respective MEMS signals with respective frequencies; and combining the MEMS signals with respective frequencies into one or more multi-frequency signals and outputting the multi-frequency signals, wherein a number of the multi-frequency signals is less than a number of the MEMS signals with respective frequencies. This invention also provides a combo MEMS device integrating two or more MEMS devices and two or more vibration sources.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 7, 2017
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Yu-Wen Hsu, Ying-Che Lo, Lu-Po Liao, Chia-Yu Wu
  • Publication number: 20160133148
    Abstract: A computer system for intelligently parsing digital content and generating questions based upon the digital content can be configured to receive a digitally encoded file. The system can extract text content from the digitally encoded file. The system can then process the text content through an intelligent text analysis process. The intelligent text analysis process can identify key phrases within the digital content. The system can generate a question based upon a particular key phrase by manipulating a portion of the extracted text content. Further, the system can display, on a display device, the generated question.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 12, 2016
    Inventors: John Phillip Hanks, Peter Huan Yu, Vincent Chun-Wen Chen, Ying-Po Liao
  • Publication number: 20150355523
    Abstract: This invention provides a signal processing method of multiple micro-electro-mechanical system devices. The signal processing method includes: providing at least two MEMS devices; applying driving or modulating signals of different frequencies to the MEMS devices such that the MEMS devices generate respective MEMS signals with respective frequencies; and combining the MEMS signals with respective frequencies into one or more multi-frequency signals and outputting the multi-frequency signals, wherein a number of the multi-frequency signals is less than a number of the MEMS signals with respective frequencies. This invention also provides a combo MEMS device integrating two or more MEMS devices and two or more vibration sources.
    Type: Application
    Filed: April 1, 2015
    Publication date: December 10, 2015
    Applicant: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Yu-Wen Hsu, Ying-Che Lo, Lu-Po Liao, Chia-Yu Wu
  • Patent number: 9136375
    Abstract: A semiconductor structure is provided. The semiconductor structure comprises a substrate, a deep well formed in the substrate, a first well and a second well formed in the deep well, a gate electrode formed on the substrate and disposed between the first well and the second well, a first isolation, and a second isolation. The second well is spaced apart from the first well. The first isolation extends down from the surface of the substrate and is disposed between the gate electrode and the second well. The second isolation extends down from the surface of the substrate and is adjacent to the first well. A ratio of a depth of the first isolation to a depth of the second isolation is smaller than 1.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: September 15, 2015
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chiu-Te Lee, Ming-Shun Hsu, Ke-Feng Lin, Chih-Chung Wang, Hsuan-Po Liao, Shih-Teng Huang, Shu-Wen Lin, Su-Hwa Tsai, Shih-Yin Hsiao
  • Patent number: 9045186
    Abstract: A bicycle seat assembly having an adjustable width nose portion includes an H-shaped base that supports a lateral left side pad and a lateral right side pad. A rail extends under the base and between the left and right side nose portions of the seat assembly. A front rail mount includes a housing, a shuttle, an actuator, and left and right mount supports. Operation of the actuator alters the position of the left and right mount supports relative to the housing and thereby alters a distance between the respective left and right side nose portions of the seat base.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: June 2, 2015
    Assignee: Trek Bicycle Corporation
    Inventors: Jess Bailie, Po Liao
  • Publication number: 20150137228
    Abstract: A semiconductor structure is provided. The semiconductor structure comprises a substrate, a deep well formed in the substrate, a first well and a second well formed in the deep well, a gate electrode formed on the substrate and disposed between the first well and the second well, a first isolation, and a second isolation. The second well is spaced apart from the first well. The first isolation extends down from the surface of the substrate and is disposed between the gate electrode and the second well. The second isolation extends down from the surface of the substrate and is adjacent to the first well. A ratio of a depth of the first isolation to a depth of the second isolation is smaller than 1.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 21, 2015
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chiu-Te Lee, Ming-Shun Hsu, Ke-Feng Lin, Chih-Chung Wang, Hsuan-Po Liao, Shih-Teng Huang, Shu-Wen Lin, Su-Hwa Tsai, Shih-Yin Hsiao
  • Patent number: 9009903
    Abstract: A toothbrush has a handle assembly, a brush-head assembly and a transmitting assembly. The brush-head assembly is slidably mounted in the handle assembly and has a sliding shaft and a swing head. The sliding shaft has two supporting portions mounted on the sliding shaft opposite to the handle assembly. The swing head is mounted on the supporting portions and has a toothed part. The transmitting assembly has a transmitting shaft. The transmitting shaft is rotatably inserted in the sliding shaft and has a longitudinal restriction relative to the sliding shaft. The transmitting shaft has a toothed portion engaging the toothed part. When the transmitting shaft is rotated, the swing head is driven to swing by the toothed part and the toothed portion to provide an improved cleaning effect.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: April 21, 2015
    Inventor: Jin-Po Liao