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:
Jul. 15, 1997
Filed:
Oct. 17, 1995
Hideo Hibino, Kanagawa-ken, JP;
Hisashi Okutsu, Kanagawa-ken, JP;
Norikazu Yokonuma, Kanagawa-ken, JP;
Kazuyuki Kazami, Tokyo-to, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An information processing device, such as a camera, capable of magnetically recording information on film, controls magnetic recording and film feeding using a single position detector that detects film position information, such as perforations in the film. After a frame of the film has been photographically exposed, the information processing device first feeds the film in a reverse direction opposite to the direction of advancement, before accelerating the film forward in the advancement direction to a stable advancement velocity. The usable length of the magnetic recording area of the film is thus increased because recording does not take place while film velocity is changing.