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. 11, 2000
Filed:
Oct. 19, 1998
Tomonori Nishio, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
An object of this invention is to provide an original carrier and an image reader capable of performing a focusing operation every original carrier. To achieve this object, a slit hole 32 extending in a direction perpendicular to a film conveying direction is formed in a width enlarging portion of a film conveying path 34. Focusing charts 58 are formed on faces of a glass plate 38 fitted into the slit hole 32 on sides of the film conveying path 34 in both end portions of the glass plate 38 in its longitudinal direction. When light from a light source is transmitted through the focusing charts 58 of the glass plate 38 and is incident to a line CCD, focusing control is performed by a microprocessor so as to maximize the contrast of an image of each of the focusing charts 58. The focusing control can be also performed so as to maximize the contrast of an image of a photographic film 22.