Focus indicator apparatus for an electronic camera

Details Focus indicator apparatus for an electronic camera Focus indicator apparatus for an electronic camera

1983-09-06

1986-07-08

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358227, H04N 530

Patent

active

045996539

ABSTRACT:
A focus indicator for a TV camera includes a first image sensor and a video processor which convert an object image to a first video signal, an optical system for exit pupil dividing part of the object image to prepare a split image, and a second image sensor for converting the split image to a second video signal. A composing circuit generates a composite video signal from the first and second video signals in such a way as to include the split image component, and a viewfinder displays an image including the split image. A user of the TV camera thus can perform focusing by observing the split image in the viewfinder.

REFERENCES:
patent: 2341410 (1944-02-01), Mihalyi
patent: 2952738 (1960-09-01), Akins
patent: 3787619 (1974-01-01), Wolff
patent: 4253751 (1981-03-01), Tokutomi et al.
patent: 4325080 (1982-04-01), Satoh
patent: 4370038 (1983-01-01), Kimura

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