NL69792C - - Google Patents
Info
- Publication number
- NL69792C NL69792C NL69792DA NL69792C NL 69792 C NL69792 C NL 69792C NL 69792D A NL69792D A NL 69792DA NL 69792 C NL69792 C NL 69792C
- 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
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/04—Modifications of control circuit to reduce distortion caused by control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB16084/38A GB515364A (en) | 1938-05-30 | 1938-05-30 | Improvements in or relating to the transmission of electrical signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL69792C true NL69792C (en:Method) |
Family
ID=10070884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL69792D NL69792C (en:Method) | 1938-05-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2303909A (en:Method) |
| FR (1) | FR855462A (en:Method) |
| GB (1) | GB515364A (en:Method) |
| NL (1) | NL69792C (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548436A (en) * | 1946-01-25 | 1951-04-10 | Hazeltine Corp | Television receiver background control circuit |
| US2525106A (en) * | 1946-11-21 | 1950-10-10 | Rca Corp | Electronic keyer for direct current restoration |
| US2550178A (en) * | 1946-11-21 | 1951-04-24 | Rca Corp | Direct current reinsertion circuit for television systems |
| US2529428A (en) * | 1947-03-01 | 1950-11-07 | Philco Corp | Automatic gain control system |
| GB688200A (en) * | 1948-07-15 | 1953-03-04 | Emi Ltd | Improvements relating to television transmitting systems |
| US2586193A (en) * | 1948-08-19 | 1952-02-19 | Rca Corp | Keyed automatic gain control system |
| US2654799A (en) * | 1948-08-26 | 1953-10-06 | Rca Corp | Keyed automatic gain control with keying pulse limiter |
| NL150569B (nl) * | 1948-12-18 | Bestobell Establishment | Condenspot met door een bimetaal bestuurde klep. | |
| US2589927A (en) * | 1949-02-25 | 1952-03-18 | Gen Precision Lab Inc | Keyed automatic gain control and sync separator |
| US2559038A (en) * | 1949-08-01 | 1951-07-03 | Avco Mfg Corp | Line pulse keyed automatic gain control circuit with control voltage delay |
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0
- NL NL69792D patent/NL69792C/xx active
-
1938
- 1938-05-30 GB GB16084/38A patent/GB515364A/en not_active Expired
-
1939
- 1939-05-23 US US275169A patent/US2303909A/en not_active Expired - Lifetime
- 1939-05-30 FR FR855462D patent/FR855462A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR855462A (fr) | 1940-05-11 |
| US2303909A (en) | 1942-12-01 |
| GB515364A (en) | 1939-12-04 |