CH202120A - Pegelhaltungsschaltung für Fernsehverstärker. - Google Patents
Pegelhaltungsschaltung für Fernsehverstärker.Info
- Publication number
- CH202120A CH202120A CH202120DA CH202120A CH 202120 A CH202120 A CH 202120A CH 202120D A CH202120D A CH 202120DA CH 202120 A CH202120 A CH 202120A
- Authority
- CH
- Switzerland
- Prior art keywords
- control circuit
- level control
- television amplifiers
- amplifiers
- television
- 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
- 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)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202120X | 1935-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH202120A true CH202120A (de) | 1938-12-31 |
Family
ID=5769887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH202120D CH202120A (de) | 1935-08-05 | 1936-07-30 | Pegelhaltungsschaltung für Fernsehverstärker. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2173497A (fr) |
BE (1) | BE416843A (fr) |
CH (1) | CH202120A (fr) |
FR (1) | FR808993A (fr) |
GB (1) | GB468905A (fr) |
NL (1) | NL48531C (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2543797A (en) * | 1942-05-23 | 1951-03-06 | Irving H Page | Radio amplifier circuits |
US2468087A (en) * | 1943-01-29 | 1949-04-26 | Int Standard Electric Corp | Thermionic valve circuits |
US2418480A (en) * | 1944-05-24 | 1947-04-08 | Arthur C Prichard | Asymmetrically conducting network |
US2471246A (en) * | 1944-05-25 | 1949-05-24 | Rca Corp | Electronic apparatus |
NL159242B (nl) * | 1950-02-25 | Felten & Guilleaume Carlswerk | Elektrische verdeelinrichting. | |
US2599287A (en) * | 1950-05-23 | 1952-06-03 | Gen Electric | Wide frequency range power-factor meter |
US2911464A (en) * | 1955-11-16 | 1959-11-03 | Muirhead & Co Ltd | Facsimile telegraph systems |
US3396236A (en) * | 1965-06-07 | 1968-08-06 | Fairchild Camera Instr Co | Automatic black-level control circuit |
-
0
- NL NL48531D patent/NL48531C/xx active
- BE BE416843D patent/BE416843A/xx unknown
-
1936
- 1936-07-30 CH CH202120D patent/CH202120A/de unknown
- 1936-08-04 FR FR808993D patent/FR808993A/fr not_active Expired
- 1936-08-04 GB GB21451/36A patent/GB468905A/en not_active Expired
- 1936-08-04 US US94130A patent/US2173497A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2173497A (en) | 1939-09-19 |
GB468905A (en) | 1937-07-15 |
NL48531C (fr) | |
BE416843A (fr) | |
FR808993A (fr) | 1937-02-19 |
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