FR862876A - Système de transmission des signaux de télévision - Google Patents

Système de transmission des signaux de télévision

Info

Publication number
FR862876A
FR862876A FR862876DA FR862876A FR 862876 A FR862876 A FR 862876A FR 862876D A FR862876D A FR 862876DA FR 862876 A FR862876 A FR 862876A
Authority
FR
France
Prior art keywords
signal transmission
transmission system
television signal
television
transmission
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
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.)
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
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR862876A publication Critical patent/FR862876A/fr
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
    • H04N5/20Circuitry for controlling amplitude response
    • H04N5/202Gamma control
    • 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
    • H04N5/165Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
FR862876D 1939-01-14 1940-01-13 Système de transmission des signaux de télévision Expired FR862876A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US250914A US2255691A (en) 1939-01-14 1939-01-14 Television signal-translating system

Publications (1)

Publication Number Publication Date
FR862876A true FR862876A (fr) 1941-03-18

Family

ID=22949682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862876D Expired FR862876A (fr) 1939-01-14 1940-01-13 Système de transmission des signaux de télévision

Country Status (4)

Country Link
US (1) US2255691A (fr)
BE (1) BE437358A (fr)
FR (1) FR862876A (fr)
GB (1) GB538947A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2117909A1 (fr) * 1970-12-16 1972-07-28 Fernseh Gmbh

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594870A (en) * 1945-11-29 1952-04-29 Us Navy Indicator
US2548436A (en) * 1946-01-25 1951-04-10 Hazeltine Corp Television receiver background control circuit
US2519238A (en) * 1947-04-05 1950-08-15 Rca Corp Biased diode wave shaping circuit
US2552588A (en) * 1947-04-26 1951-05-15 Columbia Broadeasting System I Gamma control circuit
US2692299A (en) * 1948-12-11 1954-10-19 Westinghouse Electric Corp Image contrast intensifier
US2569297A (en) * 1948-12-16 1951-09-25 Rca Corp Direct-current restoring apparatus
US2740071A (en) * 1950-05-11 1956-03-27 Columbia Broadcasting Syst Inc Television
US2760008A (en) * 1950-08-30 1956-08-21 Rca Corp Amplifier having controllable signal expansion and compression characteristics
NL82594C (fr) * 1952-05-07
JPS56107674A (en) * 1980-01-31 1981-08-26 Sony Corp Gradation correcting device of video signal
JPS627290A (ja) * 1985-07-04 1987-01-14 Fuji Photo Film Co Ltd カラ−ネガフイルム撮像における階調補正方法および装置
GB8521019D0 (en) * 1985-08-22 1986-10-01 Rank Pullin Controls Ltd Imaging apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2117909A1 (fr) * 1970-12-16 1972-07-28 Fernseh Gmbh

Also Published As

Publication number Publication date
BE437358A (fr)
US2255691A (en) 1941-09-09
GB538947A (en) 1941-08-22

Similar Documents

Publication Publication Date Title
FR811886A (fr) Système de transmission de signaux
FR842357A (fr) Systèmes de transmission de signaux électriques
FR862876A (fr) Système de transmission des signaux de télévision
FR867263A (fr) Récepteur de télévision
FR865677A (fr) Système récepteur de télévision
FR835653A (fr) Système récepteurs de signaux automatiques
FR934440A (fr) Perfectionnements aux systèmes de transmission de signaux électriques
FR839636A (fr) Système de transmission
FR862367A (fr) Récepteur de signaux
FR863363A (fr) Perfectionnements aux systèmes de transmission de signaux
FR865776A (fr) Tube et système pour la transmission de télévision
FR864885A (fr) Système de translation de signaux en télévision
FR835735A (fr) Système de transmission de signaux
FR862398A (fr) Perfectionnements aux systèmes de transmission de signaux électriques
FR837917A (fr) Système de signalisation
FR842496A (fr) Système récepteur pour signaux de télévision
FR867449A (fr) Systèmes de transmission
FR866460A (fr) Dispositif pour la transmission de signaux
FR866078A (fr) Système pour la transmission de données
FR50047E (fr) Systèmes de transmission de signaux électriques
FR881685A (fr) Système de transmission de signaux
FR865888A (fr) Système télégraphique multiple
FR872731A (fr) Système multiple de transmission de signaux
FR863105A (fr) Dispositif de transmission de signaux
FR837919A (fr) Système de transmission