Patents by Inventor Tetuhiro Fukao

Tetuhiro Fukao 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).

  • Optical transmission control circuit
    Patent number: 7894723
    Abstract: An optical transmission control circuit includes: an analog input section which receives optical transmission states as an analog values; an A/D conversion section which converts the analog values into digital values; a value storage section which stores maximum value of the digital values provided by the A/D conversion section; an output register which outputs a value to a host apparatus; and a control section which controls the maximum value storage section to store the maximum value of the digital values therein and controls the output register to output the maximum value to the host apparatus.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: February 22, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shohei Moriwaki, Tetuhiro Fukao
  • OPTICAL TRANSMISSION CONTROL CIRCUIT
    Publication number: 20080205902
    Abstract: An optical transmission control circuit includes: an analog input section which receives optical transmissions states as analog values; an A/D conversion section which converts the analog values into digital values; a value storage section which stores maximum value of the digital values provided by the A/D conversion section; an output register which outputs a value to a host apparatus; and a control section which controls the maximum value storage section to store the maximum value of the digital values therein and controls the output register to output the maximum value to the host apparatus.
    Type: Application
    Filed: November 5, 2007
    Publication date: August 28, 2008
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shohei Moriwaki, Tetuhiro Fukao