Patents by Inventor Akira Tachibana

Akira Tachibana 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).

  • Moving obstacle detection system for a vehicle
    Patent number: 4543577
    Abstract: A moving obstacle detection system for an automotive vehicle utilizing a doppler effect of the transmitted wave against an obstacle which runs in front of the vehicle such as another vehicle.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: September 24, 1985
    Assignee: Nissan Motor Company, Limited
    Inventors: Akira Tachibana, Norio Fujiki, Hiroshi Endo, Kiyoshi Yamaki, Norimasa Kishi
  • Signal processor for skid control device
    Patent number: 4366546
    Abstract: A ground-vehicle-speed signal processing circuit for a skid control device is disclosed in which, when one or more pulses are dropped from a vehicle-speed signal detected by a Doppler radar vehicle speed sensor, the vehicle-speed output voltage is decreased in accordance with the deceleration just prior to the moment when the pulses are dropped, which is stored in a memory device, to generate a vehicle-speed signal having compensated appropriately the missing part in the detected signal.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: December 28, 1982
    Assignees: Hitachi, Ltd., Nissan Motor Co., Ltd.
    Inventors: Akira Tachibana, Akira Endo, Kenji Sekine