NL223074A - - Google Patents
Info
- Publication number
- NL223074A NL223074A NL223074DA NL223074A NL 223074 A NL223074 A NL 223074A NL 223074D A NL223074D A NL 223074DA NL 223074 A NL223074 A NL 223074A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP17614A DE1044870B (de) | 1956-12-15 | 1956-12-15 | Schaltungsanordnung zur Wiedereinfuehrung der Gleichstrom-komponente eines Videosignals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL223074A true NL223074A (de) |
Family
ID=7366635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL223074D NL223074A (de) | 1956-12-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3003028A (de) |
| BE (1) | BE563196A (de) |
| DE (1) | DE1044870B (de) |
| FR (1) | FR1188274A (de) |
| GB (1) | GB879795A (de) |
| NL (1) | NL223074A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085131A (en) * | 1960-08-31 | 1963-04-09 | Gen Electric | Transistorized video black clipper |
| US4215371A (en) * | 1978-12-21 | 1980-07-29 | Rockwell International Corporation | Front porch clamping circuit |
| JPH0236674A (ja) * | 1988-07-27 | 1990-02-06 | Mitsubishi Electric Corp | クランプパルス作成回路 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA498164A (en) * | 1953-12-01 | Western Electric Company, Incorporated | Low frequency restoration circuit | |
| BE475115A (de) * | 1940-11-27 | |||
| NL76844C (de) * | 1945-07-14 | |||
| US2525106A (en) * | 1946-11-21 | 1950-10-10 | Rca Corp | Electronic keyer for direct current restoration |
| US2539774A (en) * | 1947-05-27 | 1951-01-30 | Rca Corp | Push-pull operated double diode clamping circuit for directcurrent reinsertion |
| GB696121A (en) * | 1948-08-13 | 1953-08-26 | Marconi Wireless Telegraph Co | Improvements in or relating to television and like receivers |
| NL74917C (de) * | 1949-01-26 | |||
| US2636080A (en) * | 1949-01-26 | 1953-04-21 | Bell Telephone Labor Inc | Balanced diode clamper circuit for low-frequency restoration |
| NL82308C (de) * | 1949-06-04 | |||
| NL88072C (de) * | 1950-08-04 | |||
| US2792496A (en) * | 1953-09-24 | 1957-05-14 | Rca Corp | Stabilized direct current setting apparatus |
| GB781649A (en) * | 1953-11-27 | 1957-08-21 | Emi Ltd | Improvements in or relating to circuits for generating a d.c. voltage from recurrentpulses |
| DE940406C (de) * | 1954-05-15 | 1956-03-15 | Siemens Ag | Schaltungsanordnung zum impulsmaessigen Anlegen einer Gleich-vorspannung mittels Brueckenschaltung an die Gitter von durch ein Fernsehsignalgemisch zu steuernden, in Gegentaktschaltung arbeitenden Roehren |
-
0
- BE BE563196D patent/BE563196A/xx unknown
- NL NL223074D patent/NL223074A/xx unknown
-
1956
- 1956-12-15 DE DEP17614A patent/DE1044870B/de active Pending
-
1957
- 1957-11-12 US US695890A patent/US3003028A/en not_active Expired - Lifetime
- 1957-12-12 FR FR1188274D patent/FR1188274A/fr not_active Expired
- 1957-12-12 GB GB38663/57A patent/GB879795A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE563196A (de) | |
| FR1188274A (fr) | 1959-09-21 |
| DE1044870B (de) | 1958-11-27 |
| US3003028A (en) | 1961-10-03 |
| GB879795A (en) | 1961-10-11 |