Patents by Inventor Po-Yu Tsai

Po-Yu Tsai 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: 10782674
    Abstract: An electronic device and a work-frequency reducing method thereof are disclosed. The electronic device at least includes a case, a gravity sensor, a pressure sensor and a processing unit. The gravity sensor detects the gravity status of the electronic device and outputs a plurality of gravity detecting signals. The pressure sensor detects the pressure status of the bottom portion of the case and outputs a plurality of pressure detecting signals. The work-frequency reducing method includes the following steps: receiving the gravity detecting signals and judging whether the variation value of the gravity detecting signals is greater than a default gravity value or not; if yes, decreasing the working frequency of the processing unit; receiving the pressure detecting signals and judging whether the pressure detecting signals are greater than a default pressure value or not; and if no, restoring the working frequency of the processing unit.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: September 22, 2020
    Assignee: PEGATRON CORPORATION
    Inventors: Hung-Chi Lu, Kai-Hung Wang, Po-Yu Tsai, Yung-Han Hsiao, Cheng-Lun Chiang
  • Publication number: 20190302740
    Abstract: An electronic device and a work-frequency reducing method thereof are disclosed. The electronic device at least includes a case, a gravity sensor, a pressure sensor and a processing unit. The gravity sensor detects the gravity status of the electronic device and outputs a plurality of gravity detecting signals. The pressure sensor detects the pressure status of the bottom portion of the case and outputs a plurality of pressure detecting signals. The work-frequency reducing method includes the following steps: receiving the gravity detecting signals and judging whether the variation value of the gravity detecting signals is greater than a default gravity value or not; if yes, decreasing the working frequency of the processing unit; receiving the pressure detecting signals and judging whether the pressure detecting signals are greater than a default pressure value or not; and if no, restoring the working frequency of the processing unit.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 3, 2019
    Inventors: Hung-Chi LU, Kai-Hung WANG, Po-Yu TSAI, Yung-Han HSIAO, Cheng-Lun CHIANG
  • Patent number: 8698056
    Abstract: A battery-free electromagnetic leakage detector includes a substrate, an antenna, a filter circuit electrically connected with the antenna, a clamp circuit electrically connected with the filter circuit, and an indicating member electrically connected with the clamp circuit. Accordingly, the battery-free electromagnetic leakage detector is structurally simple and compact and can detect electromagnetic waves and display the detection without connection with any external power source.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: April 15, 2014
    Assignee: National Chung Cheng University
    Inventors: Sheng-Fuh Chang, Chia-Chan Chang, Po-Yu Tsai
  • Publication number: 20110291011
    Abstract: A battery-free electromagnetic leakage detector includes a substrate, an antenna, a filter circuit electrically connected with the antenna, a clamp circuit electrically connected with the filter circuit, and an indicating member electrically connected with the clamp circuit. Accordingly, the battery-free electromagnetic leakage detector is structurally simple and compact and can detect electromagnetic waves and display the detection without connection with any external power source.
    Type: Application
    Filed: December 7, 2010
    Publication date: December 1, 2011
    Applicant: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Sheng-Fuh Chang, Chia-Chan Chang, Po-Yu Tsai
  • Patent number: 6694737
    Abstract: A compensation system for a vehicle has a main reservoir, a vapor collector, an expansion tube, a working liquid supplying reservoir and an oil tank. The main reservoir is connected with the vapor collector via a heat absorbing pipe. The expansion tube is connected to the vapor collector. Two turbines are rotatably received in the expansion tube and are connected to a generator. The supplying reservoir is connected to the expansion tube. The oil tank encloses the expansion tube and absorbs the heat of the waste gas dissipated from the engine. Accordingly, the turbines will be actuated to rotate by means of expansion of volume of the working liquid sprayed into the expansion tube to actuate the generator to operate. The waste heat dissipated from the engine of the vehicle can be efficiently reused.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: February 24, 2004
    Inventors: Yeong-Shyeong Tsai, Shinn-Jieh Wang, Hung-Ming Tsai, Po-Yu Tsai, Lu-Hsing Tsai
  • Publication number: 20030221428
    Abstract: A compensation system for a vehicle has a main reservoir, a vapor collector, an expansion tube, a working liquid supplying reservoir and an oil tank. The main reservoir is connected with the vapor collector via a heat absorbing pipe. The expansion tube is connected to the vapor collector. Two turbines are rotatably received in the expansion tube and are connected to a generator. The supplying reservoir is connected to the expansion tube. The oil tank encloses the expansion tube and absorbs the heat of the waste gas dissipated from the engine. Accordingly, the turbines will be actuated to rotate by means of expansion of volume of the working liquid sprayed into the expansion tube to actuate the generator to operate. The waste heat dissipated from the engine of the vehicle can be efficiently reused.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 4, 2003
    Inventors: Yeong-Shyeong Tsai, Shinn-Jieh Wang, Po-Yu Tsai, Lu-Hsing Tsai, Hung-Ming Tsai