GB515364A - Improvements in or relating to the transmission of electrical signals - Google Patents

Improvements in or relating to the transmission of electrical signals

Info

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
Application number
GB16084/38A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL69792D priority Critical patent/NL69792C/xx
Application filed by Individual filed Critical Individual
Priority to GB16084/38A priority patent/GB515364A/en
Priority to US275169A priority patent/US2303909A/en
Priority to FR855462D priority patent/FR855462A/fr
Publication of GB515364A publication Critical patent/GB515364A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry 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
    • H04N5/185Circuitry 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/04Modifications 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)
GB16084/38A 1938-05-30 1938-05-30 Improvements in or relating to the transmission of electrical signals Expired GB515364A (en)

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)

* Cited by examiner, † Cited by third party
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

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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