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:
Nov. 18, 1986

Filed:

Jun. 25, 1984
Applicant:
Inventors:

Yuzuru Inoue, Machida, JP;

Takashi Shinozaki, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358227 ; 350172 ; 354479 ;
Abstract

A video camera comprises a camera tube, a main optical system including a focusing lens, an afocal system, and a master lens, for directing external light towards the camera tube, an automatic focusing system having a sensor which obtains a focusing information responsive to an incoming light to the sensor, for carrying out an automatic focusing by displacing the focusing lens responsive to the focusing information, a first light separator for reflecting and separating a portion of light passing through the afocal system within the main optical system, a second light separator for reflecting and separating only a portion of the separated light which is separated by the first separator and is required for a detection of the sensor of the automatic focusing system, and for directing the separated light which is separated by the second light separator towards the sensor as the incoming light, and an optical type viewfinder for receiving a light portion which is among the separated light which is separated by the first separator and excludes the separated light which is separated by the second separator.


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