Patents by Inventor Chih-Tai Yeh

Chih-Tai 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).

  • Method for temperature compensation of a digital pressure meter
    Patent number: 7146860
    Abstract: A digital pressure meter is equipped with an operational (OP) amplifier circuit, and a thermistor circuit is connected with the OP amplifier circuit for causing change of an amplification ratio of the OP amplifier circuit with such that a temperature compensation for output signals is effected; the thermistor circuit includes thermistors with positive temperature coefficient or ones with negative temperature coefficient; with the help of the thermistor circuit, the digital pressure meter can perform a measurement with an accuracy of ±1% FSO (full scale output) within the working temperature range.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: December 12, 2006
    Assignee: Taiwan Silicon Microelectronics Corp.
    Inventors: Chih-Tai Yeh, Li-Jen Shih
  • Method for temperature compensation of a digital pressure meter
    Publication number: 20060037403
    Abstract: A digital pressure meter is equipped with an operational (OP) amplifier circuit, and a thermistor circuit is connected with the OP amplifier circuit for causing change of an amplification ratio of the OP amplifier circuit with such that a temperature compensation for output signals is effected; the thermistor circuit includes thermistors with positive temperature coefficient or ones with negative temperature coefficient; with the help of the thermistor circuit, the digital pressure meter can perform a measurement with an accuracy of ±1% FSO (full scale output) within the working temperature range.
    Type: Application
    Filed: October 12, 2004
    Publication date: February 23, 2006
    Inventors: Chih-Tai Yeh, Li-Jen Shih