Patents by Inventor Rudolf Leistner

Rudolf Leistner 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).

  • Camera for motion and still pictures
    Patent number: 4108543
    Abstract: The motion picture camera which is adjustable for taking individual pictures has a rotary shutter and means for locking this shutter in an open rest position thereof. This open rest position, at which the shutter passes the exposure light beam, is effected immediately upon the completion of the film advancement phase during one turn of the rotary shutter and can last for an arbitrarily long time period. This long time exposure is terminated by unlocking the rotary shutter simultaneously with the actuation of the release of the camera for taking the subsequent picture.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: August 22, 1978
    Assignee: Braun AG.
    Inventor: Rudolf Leistner