Patents by Inventor Yoshinari Tanimura

Yoshinari Tanimura 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).

  • Power zoom lens and camera system having same
    Patent number: 5315345
    Abstract: A camera system that includes a taking lens having a motor drive mechanism and a control mechanism for controlling the motor drive mechanism, and a camera body to which the taking lens is detachably mounted. The camera system has a power supply that is provided in the camera body. Power supplying circuits provided in the camera body and the taking lens independently supply the motor drive mechanism and the control mechanism with electrical power. An abnormal power supply detecting device in the taking lens detects an abnormality in the supply of power to the motor drive mechanism, and a power cutting device in the camera body cuts the power supply to the motor drive mechanism when the abnormal power supply detecting device detects an abnormality in the power supply.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: May 24, 1994
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Masahiro Kawasaki, Hiroyuki Takahashi, Yoshinari Tanimura