Patents by Inventor Etsuzi Oda

Etsuzi Oda 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).

  • Patent number: 4808895
    Abstract: This invention provides an acceleration control apparatus suitable for use as various kinds of feed control. A comparator circuit compares a command value supplied from an acceleration commanding unit and an actual value of acceleration detected by a signal generator connected to a motor to be controlled. A voltage command computing circuit provided at a rear stage of the comparator circuit effect predetermined processing of an acceleration deviation signal on the basis of the result of this comparison to output the resultant command voltage to a driving control circuit. This command voltage is output to the motor and thus acceleration of the motor is controlled.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: February 28, 1989
    Assignee: Toshiba Machine Co., Ltd.
    Inventors: Jun Fujita, Yoshinori Nakanishi, Etsuzi Oda, Kazutaka Yamashita