FR1534777A - Perfectionnements aux circuits de correction de gamma - Google Patents

Perfectionnements aux circuits de correction de gamma

Info

Publication number
FR1534777A
FR1534777A FR108716A FR108716A FR1534777A FR 1534777 A FR1534777 A FR 1534777A FR 108716 A FR108716 A FR 108716A FR 108716 A FR108716 A FR 108716A FR 1534777 A FR1534777 A FR 1534777A
Authority
FR
France
Prior art keywords
gamma correction
correction circuits
circuits
gamma
correction
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
FR108716A
Other languages
English (en)
Inventor
Claude Claverie
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR108716A priority Critical patent/FR1534777A/fr
Priority to FR133119A priority patent/FR93720E/fr
Priority to NL6807530A priority patent/NL160694C/xx
Priority to SE739168A priority patent/SE330940B/xx
Priority to DE19681762353 priority patent/DE1762353B2/de
Priority to GB2659268A priority patent/GB1205164A/en
Application granted granted Critical
Publication of FR1534777A publication Critical patent/FR1534777A/fr
Expired legal-status Critical Current

Links

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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Networks Using Active Elements (AREA)
FR108716A 1967-06-01 1967-06-01 Perfectionnements aux circuits de correction de gamma Expired FR1534777A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR108716A FR1534777A (fr) 1967-06-01 1967-06-01 Perfectionnements aux circuits de correction de gamma
FR133119A FR93720E (fr) 1967-06-01 1967-12-20 Perfectionnements aux circuits de correction de gamma.
NL6807530A NL160694C (nl) 1967-06-01 1968-05-28 Gamma-correctieschakeling met instelbaar gamma.
SE739168A SE330940B (fr) 1967-06-01 1968-05-31
DE19681762353 DE1762353B2 (de) 1967-06-01 1968-05-31 Gammakorrekturschaltung mit variablem gamma fuer ein fernseh-videoeingangssignal
GB2659268A GB1205164A (en) 1967-06-01 1968-06-04 Improvements in gamma correction circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR108716A FR1534777A (fr) 1967-06-01 1967-06-01 Perfectionnements aux circuits de correction de gamma
FR133119A FR93720E (fr) 1967-06-01 1967-12-20 Perfectionnements aux circuits de correction de gamma.

Publications (1)

Publication Number Publication Date
FR1534777A true FR1534777A (fr) 1968-08-02

Family

ID=26176962

Family Applications (2)

Application Number Title Priority Date Filing Date
FR108716A Expired FR1534777A (fr) 1967-06-01 1967-06-01 Perfectionnements aux circuits de correction de gamma
FR133119A Expired FR93720E (fr) 1967-06-01 1967-12-20 Perfectionnements aux circuits de correction de gamma.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR133119A Expired FR93720E (fr) 1967-06-01 1967-12-20 Perfectionnements aux circuits de correction de gamma.

Country Status (5)

Country Link
DE (1) DE1762353B2 (fr)
FR (2) FR1534777A (fr)
GB (1) GB1205164A (fr)
NL (1) NL160694C (fr)
SE (1) SE330940B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306482A1 (fr) * 1975-03-31 1976-10-29 Rca Corp Melangeur electronique de signaux
EP0086958A1 (fr) * 1982-01-29 1983-08-31 Kabushiki Kaisha Toshiba Circuit de correction de gamma

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411432Y2 (fr) * 1985-03-30 1992-03-23
DE19845187A1 (de) * 1998-10-01 2000-04-13 Loewe Opta Gmbh Verfahren zur Einstellung der Helligkeit einer Zelle eines Flachdisplays

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306482A1 (fr) * 1975-03-31 1976-10-29 Rca Corp Melangeur electronique de signaux
EP0086958A1 (fr) * 1982-01-29 1983-08-31 Kabushiki Kaisha Toshiba Circuit de correction de gamma
US4558363A (en) * 1982-01-29 1985-12-10 Tokyo Shibaura Denki Kabushiki Kaisha Gamma correction circuit

Also Published As

Publication number Publication date
NL6807530A (fr) 1968-12-02
DE1762353B2 (de) 1977-07-21
GB1205164A (en) 1970-09-16
NL160694C (nl) 1979-11-15
NL160694B (nl) 1979-06-15
FR93720E (fr) 1969-05-09
DE1762353A1 (de) 1970-04-30
SE330940B (fr) 1970-12-07
DE1762353C3 (fr) 1978-03-09

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