Patents by Inventor Shoei Nakamura

Shoei Nakamura 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).

  • Vibration reduction device
    Patent number: 5852749
    Abstract: A vibration reduction device includes a vibration detection device for detecting vibrations, a vibration reduction optical system for reducing the vibrations by its movement, a vibration reduction optical system drive device for driving the vibration reduction optical system on the basis of the detection result of the vibration detection device, a memory device for storing a predetermined frequency region, a comparison device for comparing the stored frequency region with the frequency of the vibrations detected by the vibration detection device, a lock device for locking the operation of the vibration reduction optical system, and a control device for controlling the lock device on the basis of the comparison result of the comparison device.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: December 22, 1998
    Assignee: Nikon Corporation
    Inventors: Norikatsu Konno, Shoei Nakamura