Title:
【発明の名称】映像信号の階調制御回路
Document Type and Number:
Japanese Patent JP2522296
Kind Code:
B2
Abstract:
An aperture correction circuit adds to the input video signal an aperture correction signal formed from the input video signal and which is subject to non-linear processing to thereby effect the aperture correction for a picture of low or high contrast.
Inventors:
KIHARA HIROSHI
Application Number:
JP8031087A
Publication Date:
August 07, 1996
Filing Date:
March 31, 1987
Export Citation:
Assignee:
SONY CORP
International Classes:
H04N5/202; H04N5/208; H04N5/243; (IPC1-7): H04N5/243; H04N5/202
Attorney, Agent or Firm:
Hidekuma Matsukuma