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:
Mar. 29, 1977

Filed:

Dec. 24, 1975
Applicant:
Inventor:

Teruhiko Miyake, Tokorozawa, JA;

Assignee:

Nihon Beru-Haueru Kabushiki Kaisha, Higashimurayama, JA;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; G03B / ;
U.S. Cl.
CPC ...
2502 / ; 354 / ; 352 / ;
Abstract

To inform the operator of a motion picture camera of under-exposure and the status of a fade operation, an indicator circuit is provided. The indicator circuit is in circuit with an automatic exposure control system which adjusts the diaphragm for correct film exposure under varying light conditions and an electronically controlled fade system which adjusts the diaphragm for a fade-in and fade-out sequence independently of the varying light condition on the subject.


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