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:
Dec. 22, 1981
Filed:
Dec. 19, 1980
Applicant:
Inventors:
Peter P Carcia, Reading, MA (US);
Arthur N Woodbury, Acton, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 / ; 354 29 ; 354 59 ; 354 / ;
Abstract
A photographic exposure control system provides for the termination of an exposure interval as a predetermined function of the scene light detected during the exposure interval wherein at least one parameter of the predetermined function is varied as another function of the ambient scene light detected prior to the exposure interval. The predetermined function may comprise the integration of the detected scene light to a selected level wherein the selected level of integration is the one parameter varied as a function of the ambient scene light detected prior to the exposure interval.