JPS5628569A - Video signal processing circuit - Google Patents
Video signal processing circuitInfo
- Publication number
- JPS5628569A JPS5628569A JP10461579A JP10461579A JPS5628569A JP S5628569 A JPS5628569 A JP S5628569A JP 10461579 A JP10461579 A JP 10461579A JP 10461579 A JP10461579 A JP 10461579A JP S5628569 A JPS5628569 A JP S5628569A
- Authority
- JP
- Japan
- Prior art keywords
- level
- supplied
- video signal
- circuit
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- 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
- H04N5/185—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 for the black level
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10461579A JPS5628569A (en) | 1979-08-17 | 1979-08-17 | Video signal processing circuit |
US06/177,574 US4403254A (en) | 1979-08-17 | 1980-08-13 | Video signal processing circuit |
GB8026802A GB2058515B (en) | 1979-08-17 | 1980-08-15 | Video signal processing circuits |
CA000358361A CA1154151A (en) | 1979-08-17 | 1980-08-15 | Video signal processing circuit |
NL8004625A NL8004625A (nl) | 1979-08-17 | 1980-08-15 | Videosignaalbewerkingsschakeling, meer in het bijzonder voor toepassing bij een televisie-ontvanger. |
FR8018058A FR2469847B1 (fr) | 1979-08-17 | 1980-08-18 | Circuit de traitement d'un signal video |
DE19803031185 DE3031185A1 (de) | 1979-08-17 | 1980-08-18 | Videosignal-verarbeitungsschaltung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10461579A JPS5628569A (en) | 1979-08-17 | 1979-08-17 | Video signal processing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5628569A true JPS5628569A (en) | 1981-03-20 |
JPS6313581B2 JPS6313581B2 (ja) | 1988-03-26 |
Family
ID=14385337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10461579A Granted JPS5628569A (en) | 1979-08-17 | 1979-08-17 | Video signal processing circuit |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5628569A (ja) |
CA (1) | CA1154151A (ja) |
DE (1) | DE3031185A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5811369U (ja) * | 1981-07-15 | 1983-01-25 | 三洋電機株式会社 | テレビジヨン受像機の自動黒レベル補正回路 |
US4977460A (en) * | 1987-04-30 | 1990-12-11 | Nec Home Electronics Ltd. | Video signal reproducing apparatus having setup level elimination |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5675780A (en) * | 1979-11-26 | 1981-06-23 | Sony Corp | Video signal processing circuit |
US4598316A (en) | 1983-05-31 | 1986-07-01 | Rca Corporation | Brightness control network in a video signal processor with AC coupled output stages |
JPS6043972A (ja) * | 1983-08-22 | 1985-03-08 | Sony Corp | 映像の黒レベル再生回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5187911A (ja) * | 1975-01-30 | 1976-07-31 | Sony Corp |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947631A (en) * | 1974-02-27 | 1976-03-30 | Gte Sylvania Incorporated | Automatic video signal control circuit |
-
1979
- 1979-08-17 JP JP10461579A patent/JPS5628569A/ja active Granted
-
1980
- 1980-08-15 CA CA000358361A patent/CA1154151A/en not_active Expired
- 1980-08-18 DE DE19803031185 patent/DE3031185A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5187911A (ja) * | 1975-01-30 | 1976-07-31 | Sony Corp |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5811369U (ja) * | 1981-07-15 | 1983-01-25 | 三洋電機株式会社 | テレビジヨン受像機の自動黒レベル補正回路 |
JPH0139011Y2 (ja) * | 1981-07-15 | 1989-11-21 | ||
US4977460A (en) * | 1987-04-30 | 1990-12-11 | Nec Home Electronics Ltd. | Video signal reproducing apparatus having setup level elimination |
Also Published As
Publication number | Publication date |
---|---|
JPS6313581B2 (ja) | 1988-03-26 |
CA1154151A (en) | 1983-09-20 |
DE3031185A1 (de) | 1981-03-26 |
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