Patents by Inventor Tomio Tsunoda

Tomio Tsunoda 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 and apparatus for converting an analog measurement signal to a digital signal having reduced conversion error
    Patent number: 5781142
    Abstract: In a measurement device, a detector output signal indicative of a condition magnitude, e.g., radiation, pressure, temperature, etc, and a ramp signal are added, and the resulting analog summation signal is converted to a digital signal. The digital signal is sampled, integrated, and averaged over a sampling time corresponding to a predetermined sampling number, such as to achieve a condition measurement signal having reduced analog-digital conversion error.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: July 14, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Toru Onodera, Tomio Tsunoda