KR900008840A - 직류 재생 회로 - Google Patents
직류 재생 회로 Download PDFInfo
- Publication number
- KR900008840A KR900008840A KR1019890016789A KR890016789A KR900008840A KR 900008840 A KR900008840 A KR 900008840A KR 1019890016789 A KR1019890016789 A KR 1019890016789A KR 890016789 A KR890016789 A KR 890016789A KR 900008840 A KR900008840 A KR 900008840A
- Authority
- KR
- South Korea
- Prior art keywords
- level
- input video
- video signal
- reference signal
- direct current
- Prior art date
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Dc Digital Transmission (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제2도는 본 발명의 직류 재생 회로의 실시예를 도시한 도면인데, 제1도는 제1실시예의 결선도.
제2도는 제2실시예의 결선도.
Claims (1)
- 입력 영상 신호와 페디스를 설정용 기준 신호를 페디스를 기간마다 비교하고, 입력 영상 신호의 페디스틀과 기준 신호의 레벨의 차에 대응하여 입력 신호의 직류 레벨을 쉬프트 시키는 직류 재생 회로에 있어서, 기준 신호의 레벨 변화에 대응하는 직류를 입력 영상 신호에 중첩시키고, 입력 영상 신호의 직류 레벨을 기준 신호의 레벨 변화에 추종하여 보정하는 직류 중첩 수단을 포함하는 것을 특징으로 하는 직류 재생 회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP88-293120 | 1988-11-19 | ||
JP63293120A JP2532932B2 (ja) | 1988-11-19 | 1988-11-19 | 直流再生回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900008840A true KR900008840A (ko) | 1990-06-04 |
KR0138998B1 KR0138998B1 (ko) | 1998-05-15 |
Family
ID=17790689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890016789A KR0138998B1 (ko) | 1988-11-19 | 1989-11-18 | 직류 재생 회로 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4998170A (ko) |
EP (1) | EP0370406B1 (ko) |
JP (1) | JP2532932B2 (ko) |
KR (1) | KR0138998B1 (ko) |
CA (1) | CA2003291C (ko) |
DE (1) | DE68921427T2 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3278855B2 (ja) * | 1991-02-14 | 2002-04-30 | ソニー株式会社 | ビデオ信号処理回路 |
US5426389A (en) * | 1993-01-21 | 1995-06-20 | Gennum Corporation | System for DC restoration of serially transmitted binary signals |
DE4426233A1 (de) * | 1994-07-23 | 1996-01-25 | Braun Ag | Getränkekanne mit Haltering |
GB9417418D0 (en) * | 1994-08-30 | 1994-10-19 | Plessey Semiconductors Ltd | Semiconductor circuit arrangement |
US7329181B2 (en) * | 2002-11-20 | 2008-02-12 | Aruze Corporation | Gaming machine with multilayered liquid crystal display for displaying images based on a priority order |
US7456885B2 (en) * | 2003-08-22 | 2008-11-25 | Micron Technology, Inc. | Per column one-bit ADC for image sensors |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53126817A (en) * | 1977-04-12 | 1978-11-06 | Mitsubishi Electric Corp | Level controller of video signal |
JPS5533365A (en) * | 1978-08-30 | 1980-03-08 | Sony Corp | Direct current regeneration circuit |
US4257065A (en) * | 1979-12-17 | 1981-03-17 | Pay Television Corporation | Video clamp and inverter circuit |
US4293874A (en) * | 1980-02-04 | 1981-10-06 | Zenith Radio Corporation | DC Restoration circuit for television receiver |
JPS59149467A (ja) * | 1983-02-16 | 1984-08-27 | Sony Corp | 映像信号の白黒レベルの反転回路 |
JPS6043972A (ja) * | 1983-08-22 | 1985-03-08 | Sony Corp | 映像の黒レベル再生回路 |
US4549214A (en) * | 1983-11-07 | 1985-10-22 | Rca Corporation | Video signal DC restoration circuit |
JPS60124184A (ja) * | 1983-12-09 | 1985-07-03 | Hitachi Ltd | 表示駆動回路 |
-
1988
- 1988-11-19 JP JP63293120A patent/JP2532932B2/ja not_active Expired - Fee Related
-
1989
- 1989-11-15 US US07/436,590 patent/US4998170A/en not_active Expired - Lifetime
- 1989-11-17 CA CA002003291A patent/CA2003291C/en not_active Expired - Lifetime
- 1989-11-17 EP EP89121314A patent/EP0370406B1/en not_active Expired - Lifetime
- 1989-11-17 DE DE68921427T patent/DE68921427T2/de not_active Expired - Fee Related
- 1989-11-18 KR KR1019890016789A patent/KR0138998B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE68921427D1 (de) | 1995-04-06 |
CA2003291A1 (en) | 1990-05-19 |
JP2532932B2 (ja) | 1996-09-11 |
US4998170A (en) | 1991-03-05 |
EP0370406A2 (en) | 1990-05-30 |
DE68921427T2 (de) | 1995-11-09 |
JPH02140061A (ja) | 1990-05-29 |
EP0370406B1 (en) | 1995-03-01 |
EP0370406A3 (en) | 1991-07-17 |
KR0138998B1 (ko) | 1998-05-15 |
CA2003291C (en) | 1993-07-20 |
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A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20060210 Year of fee payment: 9 |
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LAPS | Lapse due to unpaid annual fee |