BE470657A - Dispositif de stabilisation des signaux de télévision - Google Patents

Dispositif de stabilisation des signaux de télévision

Info

Publication number: BE470657A
Authority: BE; Belgium
Prior art keywords: television signal; stabilization device; signal stabilization; television; stabilization
Prior art date: 1946-01-25

Application number

BE470657A

Other languages

English (en)

Inventor

Arthur V Loughren

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.)

1946-01-25

Filing date

1947-01-21

Publication date

1947-02-28

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24580152&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE470657(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1947-01-21 Application filed by Hazeltine Corp filed Critical Hazeltine Corp

1947-02-28 Publication of BE470657A publication Critical patent/BE470657A/fr

Links

230000006641 stabilisation Effects 0.000 title 1
238000011105 stabilization Methods 0.000 title 1

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)
Television Receiver Circuits (AREA)
Picture Signal Circuits (AREA)
Details Of Television Scanning (AREA)
Synchronizing For Television (AREA)

BE470657A 1946-01-25 1947-01-21 Dispositif de stabilisation des signaux de télévision BE470657A (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
BE470657A true BE470657A (fr)	1947-02-28

Family

ID=24580152

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
BE470657A BE470657A (fr)	1946-01-25	1947-01-21	Dispositif de stabilisation des signaux de télévision
BE470735A BE470735A (fr)	1946-01-25	1947-01-24	Dispositif de stabilisation des signaux de télévision
BE498563A BE498563R (fr)	1946-01-25	1950-10-07	Dispositif de stabilisation des signaux de télévision

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
BE470735A BE470735A (fr)	1946-01-25	1947-01-24	Dispositif de stabilisation des signaux de télévision
BE498563A BE498563R (fr)	1946-01-25	1950-10-07	Dispositif de stabilisation des signaux de télévision

Country Status (6)

Country	Link
US (2)	US2548436A (fr)
BE (3)	BE470657A (fr)
CH (3)	CH256730A (fr)
DE (2)	DE975051C (fr)
FR (3)	FR941303A (fr)
GB (2)	GB623431A (fr)

Families Citing this family (18)

* 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
NL159052B (nl) *	1951-02-05		Howaldtswerke Deutsche Werft	Hydraulische draaivleugelmotor voor een vinstabilisator of een roerinrichting.
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
BE1006765A5 (fr) *	1990-05-31	1994-12-06	Forschungszentrum Juelich Gmbh	Dispositif pour l'epuration des eaux residuaires selon le procede a boue activee et, en particulier, avec denitrification.

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE390395A (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
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
NL69792C (fr) *	1938-05-30
GB515363A (en) *	1938-05-30	1939-12-04	John Hardwick	Improvements in or relating to thermionic valve circuits
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
NL73155C (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

1946
- 1946-01-25 US US643288A patent/US2548436A/en not_active Expired - Lifetime
- 1946-12-24 GB GB37899/46A patent/GB623431A/en not_active Expired
1947
- 1947-01-06 CH CH256730D patent/CH256730A/de unknown
- 1947-01-06 CH CH256729D patent/CH256729A/de unknown
- 1947-01-15 GB GB1397/47A patent/GB634501A/en not_active Expired
- 1947-01-21 BE BE470657A patent/BE470657A/fr unknown
- 1947-01-24 FR FR941303D patent/FR941303A/fr not_active Expired
- 1947-01-24 FR FR941302D patent/FR941302A/fr not_active Expired
- 1947-01-24 BE BE470735A patent/BE470735A/fr unknown
1948
- 1948-12-29 DE DEP27695D patent/DE975051C/de not_active Expired
1949
- 1949-10-08 US US120404A patent/US2547648A/en not_active Expired - Lifetime
1950
- 1950-09-29 CH CH289908D patent/CH289908A/de unknown
- 1950-10-01 DE DEH6073A patent/DE975136C/de not_active Expired
- 1950-10-07 BE BE498563A patent/BE498563R/fr active
- 1950-10-07 FR FR60782D patent/FR60782E/fr not_active Expired

Also Published As

Publication number	Publication date
US2547648A (en)	1951-04-03
CH289908A (de)	1953-03-31
FR941302A (fr)	1949-01-07
FR941303A (fr)	1949-01-07
BE470735A (fr)	1947-02-28
CH256730A (de)	1948-08-31
GB623431A (en)	1949-05-17
DE975051C (de)	1961-07-20
GB634501A (en)	1950-03-22
BE498563R (fr)	1950-10-31
CH256729A (de)	1948-08-31
US2548436A (en)	1951-04-10
FR60782E (fr)	1955-01-26
DE975136C (de)	1961-08-31

Publication	Publication Date	Title
FR941303A (fr)	1949-01-07	Dispositif de stabilisation des signaux de télévision
FR976427A (fr)	1951-03-19	Dispositif pour la stabilisation des signaux de télévision
FR939864A (fr)	1948-11-26	Dispositif de tension
FR1037342A (fr)	1953-09-16	Dispositif de stabilisation de phase
FR971116A (fr)	1951-01-12	Appareil récepteur de télévision
CH266794A (de)	1950-02-15	Fernsehempfangsvorrichtung.
FR1032742A (fr)	1953-07-03	Dispositif pour la stabilisation des signaux de télévision
FR950625A (fr)	1949-10-03	Dispositif de bouchage
FR970351A (fr)	1951-01-03	Dispositif de stabilisation des rayons cathodiques
FR1002928A (fr)	1952-03-12	Dispositif de remplissage des stylographes
FR945980A (fr)	1949-05-19	Dispositif de compartimentage
FR965982A (fr)	1950-09-27	Dispositif anti-vol
FR1006657A (fr)	1952-04-25	Dispositif de remorque
FR970848A (fr)	1951-01-09	Dispositif anti-recul
FR1006286A (fr)	1952-04-21	Dispositif de réglage des montres
FR922669A (fr)	1947-06-16	Dispositif anti-vol
FR1004819A (fr)	1952-04-03	Dispositif pyro-technique
FR969157A (fr)	1950-12-15	Dispositif de réglage
FR1001236A (fr)	1952-02-21	Dispositif exhausteur
FR942316A (fr)	1949-02-04	Dispositif de temporisation
FR947044A (fr)	1949-06-21	Dispositif de réglage pour écran polariseur
AT168036B (de)	1951-04-10	Einrichtung zur Stabilisierung von Fernsehempfängern
FR930679A (fr)	1948-02-02	Dispositif de verrouillage
FR934674A (fr)	1948-05-28	Dispositif de masselotage
FR945361A (fr)	1949-05-03	Dispositif de cryptotélégraphie