Title:
撮像装置
Document Type and Number:
Japanese Patent JP3574668
Kind Code:
B2
Abstract:
PURPOSE:To perform the stable DC reproduction. CONSTITUTION:A CCD1 converts light to a video signal to output the same. A gain-variable DC amplifier circuit 2 with a reverse amplifier 3 amplifies the video signal. An A/D converter 5 converts the amplified analog video signal to a digital video signal. A control section 6 fetches sampling data Sn from the digital video signal and detects the DC level, then controls the gain of the DC amplifier circuit 2 according to the detected DC level.
Inventors:
Hiroyuki Itakura
Application Number:
JP15097192A
Publication Date:
October 06, 2004
Filing Date:
June 10, 1992
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04N5/16; H04N5/335; H04N5/361; H04N5/372; H04N5/378; (IPC1-7): H04N5/16; H04N5/335
Domestic Patent References:
| JP2192375A |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga