Digital electronic still camera effecting analog-to-digital conv

Details Digital electronic still camera effecting analog-to-digital conv Digital electronic still camera effecting analog-to-digital conv

1989-01-25

1991-01-01

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 29, 358909, H04N 979, H04N 973

Patent

active

049822900

ABSTRACT:
A digital electronic still camera is provided in which a video signal representing a still picture is stored in the form of digital data which includes an imaging unit having an imaging device with an array of photosensitive cells and a color filter having separated-color segments arranged thereon. An object scene is shot by use of the imaging device to produce a video signal representing the object scene. The camera includes a color balance adjusting circuit for adjusting a color balance of the video signal produced from the imaging device, a gradation correction circuit for correcting a gradation of the video signal having the color balance adjustment performed thereon, a signal converter for converting the video signal delivered from the gradation correcting circuit to produce a digital signal, and a controller for controlling the imaging unit, the color balance adjustment circuit, the gradation correcting circuit, and the signal converter. Thereby a shooting operation, a color balance adjustment, a gradation correction and a conversion of a video signal into a digital signal may be effected, and a control signal for causing a digital video signal to be stored may be produced.

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"Fully Digitized Electronic Still Camera", the Journal of the Institute of Television Engineers of Japan, vol. 37, No. 10 pp. 863-868 (1983).

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