NL298497A - - Google Patents
Info
- Publication number
- NL298497A NL298497A NL298497DA NL298497A NL 298497 A NL298497 A NL 298497A NL 298497D A NL298497D A NL 298497DA NL 298497 A NL298497 A NL 298497A
- Authority
- NL
- Netherlands
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
-
- 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
- H04N5/165—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF37915A DE1185215B (de) | 1962-09-29 | 1962-09-29 | Verfahren und Einrichtungen zum Betrieb von Bildaufnahmeroehren, vorzugsweise von Typ des Superorthikons |
| DEF0038222 | 1962-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL298497A true NL298497A (fr) |
Family
ID=25975464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL298497D NL298497A (fr) | 1962-09-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3308235A (fr) |
| DE (1) | DE1185215B (fr) |
| GB (1) | GB1015206A (fr) |
| NL (1) | NL298497A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3392236A (en) * | 1964-10-19 | 1968-07-09 | Gen Electric | Automatic beam control for camera tube |
| JPS5452916A (en) * | 1977-10-05 | 1979-04-25 | Toshiba Corp | Dc level clamping circuit |
| US4742392A (en) * | 1983-08-04 | 1988-05-03 | Canon Kabushiki Kaisha | Clamp circuit with feed back |
| JPH0771290B2 (ja) * | 1989-12-27 | 1995-07-31 | 富士写真光機株式会社 | 信号処理回路 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB450675A (en) * | 1934-11-19 | 1936-07-20 | Cecil Oswald Browne | Improvements in or relating to television and the like transmitting systems |
-
0
- NL NL298497D patent/NL298497A/xx unknown
-
1962
- 1962-09-29 DE DEF37915A patent/DE1185215B/de active Pending
-
1963
- 1963-09-27 US US312128A patent/US3308235A/en not_active Expired - Lifetime
- 1963-09-27 GB GB38144/63A patent/GB1015206A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3308235A (en) | 1967-03-07 |
| DE1185215B (de) | 1965-01-14 |
| GB1015206A (en) | 1965-12-31 |