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.

Date of Patent:
Feb. 15, 2000

Filed:

Dec. 09, 1997
Applicant:
Inventors:

Shigenori Goto, Saitama, JP;

Hisashi Hamada, Saitama, JP;

Shiro Hashimoto, Saitama, JP;

Nobuhiro Aoki, Saitama, JP;

Tokuji Sato, Saitama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
396210 ; 396284 ; 396266 ; 396406 ;
Abstract

A camera for use with a Brownie roll film having a bar code containing data about a roll film, such as a film speed and a roll film type. The bar code is printed on an adhesive tape which secures light-shielding paper to a leading end of a photo filmstrip of the roll film. As soon as the roll film is loaded with its leading end of the light-shielding paper secured to a take-up spool of the camera, the camera starts rotating the take-up spool and, simultaneously, a reflective photo sensor starts scanning. Based on output signal from the photo sensor and the transport amount of the filmstrip, a first frame exposure portion of the filmstrip is automatically positioned behind an exposure aperture. The number ofavailable exposures is derived from the roll film type data read from the bar code, and is displayed on an LCD panel. An automatic exposure control is effected while taking the film speed read from the bar code into consideration.


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