GB515364A - Improvements in or relating to the transmission of electrical signals - Google Patents
Improvements in or relating to the transmission of electrical signalsInfo
- Publication number
- GB515364A GB515364A GB16084/38A GB1608438A GB515364A GB 515364 A GB515364 A GB 515364A GB 16084/38 A GB16084/38 A GB 16084/38A GB 1608438 A GB1608438 A GB 1608438A GB 515364 A GB515364 A GB 515364A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leakage
- datum
- potentials
- condensers
- valves
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000003780 insertion Methods 0.000 abstract 4
- 230000007717 exclusion Effects 0.000 abstract 1
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL69792D NL69792C (enrdf_load_stackoverflow) | 1938-05-30 | ||
GB16084/38A GB515364A (en) | 1938-05-30 | 1938-05-30 | Improvements in or relating to the transmission of electrical signals |
US275169A US2303909A (en) | 1938-05-30 | 1939-05-23 | Transmission of electrical signals |
FR855462D FR855462A (fr) | 1938-05-30 | 1939-05-30 | Perfectionnements à la transmission des signaux électriques |
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 |
---|---|
GB515364A true GB515364A (en) | 1939-12-04 |
Family
ID=10070884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16084/38A Expired GB515364A (en) | 1938-05-30 | 1938-05-30 | Improvements in or relating to the transmission of electrical signals |
Country Status (4)
Country | Link |
---|---|
US (1) | US2303909A (enrdf_load_stackoverflow) |
FR (1) | FR855462A (enrdf_load_stackoverflow) |
GB (1) | GB515364A (enrdf_load_stackoverflow) |
NL (1) | NL69792C (enrdf_load_stackoverflow) |
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 |
-
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 |
---|---|
US2303909A (en) | 1942-12-01 |
FR855462A (fr) | 1940-05-11 |
NL69792C (enrdf_load_stackoverflow) |
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