Patents by Inventor Hiroshi Otobe

Hiroshi Otobe 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 device for a continuous hot-rolling mill
    Patent number: 5701774
    Abstract: A control device for the purpose of achieving highly precise rolled material. The response and robust stability of the rolled material tension and looper height are specified, and a controller is designed so that the rolling mill main motor and looper operate in concert to suppress variations in rolled material tension, thereby achieving stable optimum control which is responsive to the rolling state and rolling conditions.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: December 30, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroyuki Imanari, Hiroshi Otobe
  • Automatic adjustment circuit for analog control unit
    Patent number: 5448288
    Abstract: An automatic adjustment circuit for an analog control unit comprising a detection circuit and a D/A control circuit, said detection circuit being connected to said analog control unit to detect gain errors in said analog control unit and to input a determination signal for the determination of the errors detected to a control microcomputer installed in the apparatus and said D/A control circuit is operated in response to receiving signal from said control microcomputer to accomplish the adjustment.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: September 5, 1995
    Assignee: Orion Electric Co., Ltd.
    Inventors: Noboru Oue, Yoshitsugu Nagata, Hiroshi Otobe