KR100983611B1 - 영상 신호 출력 회로 - Google Patents
영상 신호 출력 회로 Download PDFInfo
- Publication number
- KR100983611B1 KR100983611B1 KR1020060134716A KR20060134716A KR100983611B1 KR 100983611 B1 KR100983611 B1 KR 100983611B1 KR 1020060134716 A KR1020060134716 A KR 1020060134716A KR 20060134716 A KR20060134716 A KR 20060134716A KR 100983611 B1 KR100983611 B1 KR 100983611B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- video signal
- circuit
- signal
- video
- Prior art date
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (5)
- 영상 신호를 출력하는 영상 신호 출력 회로에 있어서,상기 영상 신호를 증폭하는 앰프 회로와,상기 앰프 회로의 출력이 무신호 시에 출력을 접지 레벨로 하는 출력 회로를 갖고,상기 출력 회로는 상기 영상 신호의 기준 전위를 접지 레벨로서 출력하는 것을 특징으로 하는 영상 신호 출력 회로.
- 삭제
- 제1항에 있어서, 상기 영상 신호의 기준 전위는 싱크 칩 레벨인 것을 특징으로 하는 영상 신호 출력 회로.
- 제1항에 있어서, 상기 출력 회로는,상기 영상 신호에 따른 전류를 저항에 공급하는 트랜지스터와,일단에 상기 트랜지스터로부터 상기 영상 신호에 따른 전류가 공급되고, 타단이 접지 레벨로 된 저항을 가지며,상기 트랜지스터와 상기 저항과의 접속점으로부터 상기 영상 신호를 출력하는 것을 특징으로 하는 영상 신호 출력 회로.
- 제1항에 있어서, 상기 출력 회로는 출력 신호를 외부 출력 단자로부터 출력하도록 외부 출력 단자에 직접 접속된 것을 특징으로 하는 영상 신호 출력 회로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006029777A JP4747862B2 (ja) | 2006-02-07 | 2006-02-07 | 映像信号出力回路 |
JPJP-P-2006-00029777 | 2006-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070080554A KR20070080554A (ko) | 2007-08-10 |
KR100983611B1 true KR100983611B1 (ko) | 2010-09-24 |
Family
ID=38492746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060134716A KR100983611B1 (ko) | 2006-02-07 | 2006-12-27 | 영상 신호 출력 회로 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4747862B2 (ko) |
KR (1) | KR100983611B1 (ko) |
CN (1) | CN101018288B (ko) |
TW (1) | TW200746802A (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5088099B2 (ja) * | 2007-11-07 | 2012-12-05 | ミツミ電機株式会社 | 映像信号増幅回路および増幅用半導体集積回路 |
JP5578048B2 (ja) * | 2010-11-29 | 2014-08-27 | ミツミ電機株式会社 | 映像信号出力回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63157571A (ja) | 1986-12-22 | 1988-06-30 | Sony Corp | 同期信号抜取り回路 |
JPH01233968A (ja) * | 1988-03-15 | 1989-09-19 | Nec Corp | 画像信号直流再生回路 |
JPH11136039A (ja) | 1997-10-31 | 1999-05-21 | Sanyo Electric Co Ltd | 電力増幅装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09148848A (ja) * | 1995-11-27 | 1997-06-06 | Hitachi Ltd | 広帯域信号伝達回路およびアンプ |
JP3894603B2 (ja) * | 1996-12-12 | 2007-03-22 | ローム株式会社 | イメージセンサ |
JPH11112345A (ja) * | 1997-09-30 | 1999-04-23 | Nec Corp | ビデオ用agc回路 |
JP3529022B2 (ja) * | 1998-01-30 | 2004-05-24 | シャープ株式会社 | 電荷転送素子 |
JP2004248200A (ja) * | 2003-02-17 | 2004-09-02 | Sanyo Electric Co Ltd | 映像記録装置 |
-
2006
- 2006-02-07 JP JP2006029777A patent/JP4747862B2/ja active Active
- 2006-12-01 TW TW095144816A patent/TW200746802A/zh unknown
- 2006-12-27 KR KR1020060134716A patent/KR100983611B1/ko active IP Right Grant
- 2006-12-30 CN CN2006101567005A patent/CN101018288B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63157571A (ja) | 1986-12-22 | 1988-06-30 | Sony Corp | 同期信号抜取り回路 |
JPH01233968A (ja) * | 1988-03-15 | 1989-09-19 | Nec Corp | 画像信号直流再生回路 |
JPH11136039A (ja) | 1997-10-31 | 1999-05-21 | Sanyo Electric Co Ltd | 電力増幅装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2007214658A (ja) | 2007-08-23 |
CN101018288B (zh) | 2010-09-08 |
JP4747862B2 (ja) | 2011-08-17 |
CN101018288A (zh) | 2007-08-15 |
KR20070080554A (ko) | 2007-08-10 |
TW200746802A (en) | 2007-12-16 |
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