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Patent Searching and Data


Title:
VIDEO CAMERA
Document Type and Number:
Japanese Patent JP3642127
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To avoid receiving influence of white balance adjustment in the pulling out of a desired color by satisfactorily controlling white balance and easily controlling the setting position of a pulling out frame even in a control system except for a feedback system.
SOLUTION: Chrominance detection circuits 12 and 14 generating a pulse is used for a supplied chrominance signal only when an output obtained by a means gaining in addition to a white balance adjusting part 5 satisfies a prescribed condition. The chrominance detection 12 setting the prescribed condition to be near white refers to a generated pulse to selectively use the supplied chrominance signal ad data for controlling white balance. Also a chrominance signal before adjusting white balance is supplied for the circuit 14 setting the prescribed range to be near the desired color to refer to a generated pulse to selectively supply a color difference signal, etc., generated based on the chrominance signal before the white balance adjustment for a following stage as an output chrominance signal.


Inventors:
Masakazu Hattori
Application Number:
JP30922596A
Publication Date:
April 27, 2005
Filing Date:
November 20, 1996
Export Citation:
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Assignee:
ソニー株式会社
International Classes:
H04N9/73; H04N9/04; (IPC1-7): H04N9/73; H04N9/04
Domestic Patent References:
JP7162890A
JP7226950A
JP8237673A
JP7143510A
Attorney, Agent or Firm:
Masatomo Sugiura