Patents by Inventor Chau-Shing Wang

Chau-Shing Wang 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).

  • Control system of milling machine
    Patent number: 8598827
    Abstract: A control system of a milling machine is disclosed. The milling machine has an overarm, a spindle connected to a cutter, a spindle motor, and an X-axis motor, a Y-axis motor and a Z-axis motor. The control system includes a vibration sensor for detecting a vibration level of the spindle. The control system also includes a central control unit configured to adjust a rotation speed of at least one of the X-axis motor, the Y-axis motor, and the Z-axis motor to bring a load current of at least one of the motors to be within a corresponding current range, and configured to adjust a rotation speed of the spindle motor to bring the vibration level to be within a vibration range.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: December 3, 2013
    Assignees: Buffalo Machinery Company Limited, The Department of Electrical Engineering, National Chang-Hua University of Education
    Inventors: Chia-Hui Tang, Chau-Shing Wang, Yu-Lin Juan, Tsair-Rong Chen, Paul Chang
  • CONTROL SYSTEM OF MILLING MACHINE
    Publication number: 20120306420
    Abstract: A control system of a milling machine is disclosed. The milling machine has an overarm, a spindle connected to a cutter, a spindle motor, and an X-axis motor, a Y-axis motor and a Z-axis motor. The control system includes a vibration sensor for detecting a vibration level of the spindle. The control system also includes a central control unit configured to adjust a rotation speed of at least one of the X-axis motor, the Y-axis motor, and the Z-axis motor to bring a load current of at least one of the motors to be within a corresponding current range, and configured to adjust a rotation speed of the spindle motor to bring the vibration level to be within a vibration range.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 6, 2012
    Applicants: THE DEPARTMENT OF ELECTRICAL ENGINEERING, NATIONAL CHANG-HUA UNIVERSITY OF EDUCATION, BUFFALO MACHINERY COMPANY LIMITED
    Inventors: Chia-Hui TANG, Chau-Shing WANG, Yu-Lin JUAN, Tsair-Rong CHEN, Paul CHANG
  • ADJUSTING DEVICE OF A COIN OPERATED AMUSEMENT ASSEMBLY
    Publication number: 20120049446
    Abstract: An adjusting device of a coin operated amusement assembly includes a drive device mounted onto a back of a horizontal board of the coin operated amusement assembly. A transmission device is connected to the drive device. Two adjusting plates are respectively and wiggly mounted to two opposite side of the horizontal board and inserted into a corresponding one of two return passages of the coin operated amusement assembly. Two driven devices are respectively connected to the transmission device and a corresponding one of the two adjusting plates for lifting the two adjusting plates and adjusting the odds of the coin operated amusement assembly.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 1, 2012
    Applicants: DEPARTMENT OF ELECTRICAL ENGINEERING, NATIONAL CHANGHUA UNIVERSITY OF EDUCATION, MIAO CHERNG INDUSTRY CO., LTD.
    Inventors: Poszu Lai, Tsair-Rong Chen, Chau-Shing Wang