FR2381431A1 - Circuit de correction de phase differentielle pour un signal de television en couleurs - Google Patents

Circuit de correction de phase differentielle pour un signal de television en couleurs

Info

Publication number
FR2381431A1
FR2381431A1 FR7804971A FR7804971A FR2381431A1 FR 2381431 A1 FR2381431 A1 FR 2381431A1 FR 7804971 A FR7804971 A FR 7804971A FR 7804971 A FR7804971 A FR 7804971A FR 2381431 A1 FR2381431 A1 FR 2381431A1
Authority
FR
France
Prior art keywords
delay
phase
colour
external signals
switches
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.)
Withdrawn
Application number
FR7804971A
Other languages
English (en)
Inventor
Leon J Stanger
Birney David Dayton
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.)
Grass Valley Group Inc
Original Assignee
Grass Valley Group Inc
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 Grass Valley Group Inc filed Critical Grass Valley Group Inc
Publication of FR2381431A1 publication Critical patent/FR2381431A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Networks Using Active Elements (AREA)

Abstract

L'invention concerne un circuit correcteur de phase différentielle. Ce circuit se caractérise en ce qu'il comprend des moyens 24, 28, 30 pour déphaser un signal de télévision de manière réglable et des moyens 14 répondant à ce signal 22 et au signal déphasé 34 à distorsion minimale et à déphasage commandé. Ce circuit s'applique à des systèmes de télévision en couleur à commande automatique.
FR7804971A 1977-02-22 1978-02-15 Circuit de correction de phase differentielle pour un signal de television en couleurs Withdrawn FR2381431A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77071977A 1977-02-22 1977-02-22

Publications (1)

Publication Number Publication Date
FR2381431A1 true FR2381431A1 (fr) 1978-09-15

Family

ID=25089465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804971A Withdrawn FR2381431A1 (fr) 1977-02-22 1978-02-15 Circuit de correction de phase differentielle pour un signal de television en couleurs

Country Status (4)

Country Link
JP (1) JPS53104121A (fr)
DE (1) DE2804366A1 (fr)
FR (1) FR2381431A1 (fr)
NL (1) NL7800745A (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229582B (de) * 1964-06-12 1966-12-01 Inst Rundfunktechnik G M B H Schaltungsanordnung zur Erzeugung pegelabhaengiger Phasenverlaeufe zur Entzerrung der differentiellen Phase bei der Farbfernsehuebertragung
GB1109507A (en) * 1964-08-26 1968-04-10 Post Office Electrical distortion corrector
FR1524118A (fr) * 1967-01-26 1968-05-10 Csf Correcteur de phase différentielle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229582B (de) * 1964-06-12 1966-12-01 Inst Rundfunktechnik G M B H Schaltungsanordnung zur Erzeugung pegelabhaengiger Phasenverlaeufe zur Entzerrung der differentiellen Phase bei der Farbfernsehuebertragung
GB1109507A (en) * 1964-08-26 1968-04-10 Post Office Electrical distortion corrector
FR1524118A (fr) * 1967-01-26 1968-05-10 Csf Correcteur de phase différentielle

Also Published As

Publication number Publication date
JPS53104121A (en) 1978-09-11
DE2804366A1 (de) 1978-08-24
NL7800745A (nl) 1978-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse