FR941302A - Dispositif de télévision - Google Patents

Dispositif de télévision

Info

Publication number
FR941302A
FR941302A FR941302DA FR941302A FR 941302 A FR941302 A FR 941302A FR 941302D A FR941302D A FR 941302DA FR 941302 A FR941302 A FR 941302A
Authority
FR
France
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
Other languages
English (en)
Inventor
Arthur V Loughren
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24580152&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR941302(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR941302A publication Critical patent/FR941302A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes
    • 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
    • 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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/213—Circuitry for suppressing or minimising impulsive noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Details Of Television Scanning (AREA)
  • Synchronizing For Television (AREA)
FR941302D 1946-01-25 1947-01-24 Dispositif de télévision Expired FR941302A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US643288A US2548436A (en) 1946-01-25 1946-01-25 Television receiver background control circuit

Publications (1)

Publication Number Publication Date
FR941302A true FR941302A (fr) 1949-01-07

Family

ID=24580152

Family Applications (3)

Application Number Title Priority Date Filing Date
FR941302D Expired FR941302A (fr) 1946-01-25 1947-01-24 Dispositif de télévision
FR941303D Expired FR941303A (fr) 1946-01-25 1947-01-24 Dispositif de stabilisation des signaux de télévision
FR60782D Expired FR60782E (fr) 1946-01-25 1950-10-07 Dispositif de télévision

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR941303D Expired FR941303A (fr) 1946-01-25 1947-01-24 Dispositif de stabilisation des signaux de télévision
FR60782D Expired FR60782E (fr) 1946-01-25 1950-10-07 Dispositif de télévision

Country Status (6)

Country Link
US (2) US2548436A (fr)
BE (3) BE470657A (fr)
CH (3) CH256729A (fr)
DE (2) DE975051C (fr)
FR (3) FR941302A (fr)
GB (2) GB623431A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927570C (de) * 1951-02-05 1955-05-12 Philips Nv Schaltung zur selbsttaetigen Verstaerkungsregelung eines Fernsehempfaengers
US5308490A (en) * 1990-05-31 1994-05-03 Forschungzentrum Juelich Gmbh Sewage delivery for an activated sludge process

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709716A (en) * 1948-10-19 1955-05-31 George L Haller Contrast enhancing aerial photography
US2636939A (en) * 1949-06-30 1953-04-28 Avco Mfg Corp Keyed automatic gain control
NL156609B (nl) * 1949-10-19 Union Carbide Corp Werkwijze voor het verwijderen van verontreinigingen uit een mengsel, dat overwegend uit koolwaterstoffen bestaat.
US3882407A (en) * 1950-04-08 1975-05-06 Rca Corp Amplifier blanking circuit
US2784249A (en) * 1950-07-21 1957-03-05 Hazeltine Research Inc Keyed automatic gain control
US2717931A (en) * 1950-07-29 1955-09-13 Rca Corp Circuit for varying amplifier gain and frequency response with signal amplitude
US2698933A (en) * 1950-09-21 1955-01-04 Rca Corp Cathode-ray tube apparatus with partial direct current restoration
NL82256C (fr) * 1950-11-09
US2718550A (en) * 1950-11-30 1955-09-20 Rca Corp Combined direct current reinserter and variable threshold synchronizing signal separator
NL80731C (fr) * 1952-02-21
DE1016749B (de) * 1953-09-15 1957-10-03 Interessengemeinschaft Fuer Ru Schaltung zur Erzeugung einer getasteten Schwundregelspannung in Fernsehempfaengern
DE1013315B (de) * 1953-09-25 1957-08-08 Telefunken Gmbh Schaltung zur Schwundregelung bei Fernsehempfaengern
DE1010562B (de) * 1954-10-13 1957-06-19 Telefunken Gmbh Schaltungsanordnung zur Schwundregelung in Fernsehempfaengern
NL102097C (fr) * 1955-09-15
DE1265194B (de) * 1961-11-11 1968-04-04 Interessengemeinschaft Fuer Ru Schaltungsanordnung fuer eine getastete Verstaerkungsregelung in Fernsehempfaengern
US3249695A (en) * 1962-09-13 1966-05-03 Hazeltine Research Inc Control apparatus for a television receiver

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE387822A (fr) * 1931-09-26
US2135942A (en) * 1934-07-06 1938-11-08 Rca Corp Automatic gain control circuit
DE878512C (de) * 1935-03-20 1953-04-16 Emi Ltd Verfahren zur Fadingregelung oder zur Wiedereinfuehrung der Gleich-stromkomponente in elektrische Signale, insbesondere beim Fernsehen
FR804804A (fr) * 1935-04-03 1936-11-03
US2135560A (en) * 1935-06-29 1938-11-08 Rca Corp Delayed automatic volume control circuit
US2254204A (en) * 1936-05-15 1941-09-02 Emi Ltd Television system
NL54199C (fr) * 1936-12-16
US2217948A (en) * 1937-10-23 1940-10-15 Hazeltine Corp Automatic amplification control
GB505899A (en) * 1937-11-13 1939-05-15 Charles Leslie Faudell Improvements in or relating to coupling means for thermionic valve circuits
GB512109A (en) * 1937-12-24 1939-08-29 Alan Dower Blumlein Improvements in or relating to television or other signal transmission systems
GB476935A (en) * 1938-05-18 1937-12-15 Alan Dower Blumlein Improvements in or relating to television systems
GB515209A (en) * 1938-08-26 1939-11-29 Emi Ltd Improvements in or relating to television systems
NL69792C (fr) * 1938-05-30
GB515363A (en) * 1938-05-30 1939-12-04 John Hardwick Improvements in or relating to thermionic valve circuits
GB515362A (en) * 1938-05-30 1939-12-04 Alan Dower Blumlein Improvements in or relating to the transmission of electrical signals having a direct current component
DE880148C (de) * 1938-10-07 1953-05-07 International Standard Electric Corporation, New York, N. Y. (V. St. A.) Schaltungsanordnung zur selbsttätigen Amplitudenregelung bei Fernsehempfängern
US2259538A (en) * 1938-12-06 1941-10-21 Hazeltine Corp Television receiver with automatic shade-level control
BE437358A (fr) * 1939-01-14
US2259520A (en) * 1939-03-15 1941-10-21 Hazeltine Corp Television receiving apparatus
US2296393A (en) * 1940-03-16 1942-09-22 Rca Corp Noise limiter
US2299944A (en) * 1940-10-23 1942-10-27 Rca Corp Direct current reinserting circuit
BE475115A (fr) * 1940-11-27
US2300942A (en) * 1940-12-28 1942-11-03 Hazeltine Corp Television carrier-signal receiver control system
US2307215A (en) * 1942-03-03 1943-01-05 Russell C Graef Building structure
US2463735A (en) * 1945-03-17 1949-03-08 Rca Corp Split channel direct-current insertion network
US2469606A (en) * 1945-10-25 1949-05-10 Farnsworth Res Corp Video signal level control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927570C (de) * 1951-02-05 1955-05-12 Philips Nv Schaltung zur selbsttaetigen Verstaerkungsregelung eines Fernsehempfaengers
US5308490A (en) * 1990-05-31 1994-05-03 Forschungzentrum Juelich Gmbh Sewage delivery for an activated sludge process

Also Published As

Publication number Publication date
DE975136C (de) 1961-08-31
BE470735A (fr) 1947-02-28
FR941303A (fr) 1949-01-07
GB623431A (en) 1949-05-17
US2548436A (en) 1951-04-10
BE470657A (fr) 1947-02-28
FR60782E (fr) 1955-01-26
US2547648A (en) 1951-04-03
DE975051C (de) 1961-07-20
CH256730A (de) 1948-08-31
GB634501A (en) 1950-03-22
CH289908A (de) 1953-03-31
CH256729A (de) 1948-08-31
BE498563R (fr) 1950-10-31

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