The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 1979
Filed:
Sep. 17, 1976
Ichiro Shimizu, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention relates to a motion picture camera which includes a film feeding device for intermittently feeding a film for recording picture information on the film and the sound information on the film exposing part of the film. A sound recording device for recording sound information on the film, and a film constant speed feeding device for feeding the film to the sound recording position of the sound recording device at a constant speed are provided. A driving motor for driving the film constant speed feeding device and a reduction gear mechanism is provided between the driving motor and the film constant speed feeding device, whereby the driving power of the driving motor is transmitted to the film constant speed feeding device through the reduction gear mechanism in such a manner that the film constant speed feeding device is rotated at a constant speed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile