FR2350750A1 - Circuit de correction de geometrie et de foyer pour un tube a rayons cathodiques - Google Patents

Circuit de correction de geometrie et de foyer pour un tube a rayons cathodiques

Info

Publication number
FR2350750A1
FR2350750A1 FR7712871A FR7712871A FR2350750A1 FR 2350750 A1 FR2350750 A1 FR 2350750A1 FR 7712871 A FR7712871 A FR 7712871A FR 7712871 A FR7712871 A FR 7712871A FR 2350750 A1 FR2350750 A1 FR 2350750A1
Authority
FR
France
Prior art keywords
fireplace
geometry
ray tube
correction circuit
cathodic ray
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.)
Granted
Application number
FR7712871A
Other languages
English (en)
Other versions
FR2350750B1 (fr
Inventor
Carl Robert Battjes
Harvey Leon Golladay
Michael Lawrence Rieger
Binoy Anthony Rosario
Kenneth George Schlotzhauer
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.)
Tektronix Inc
Original Assignee
Tektronix 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 Tektronix Inc filed Critical Tektronix Inc
Publication of FR2350750A1 publication Critical patent/FR2350750A1/fr
Application granted granted Critical
Publication of FR2350750B1 publication Critical patent/FR2350750B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)
FR7712871A 1976-05-03 1977-04-22 Circuit de correction de geometrie et de foyer pour un tube a rayons cathodiques Granted FR2350750A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/682,242 US4039899A (en) 1976-05-03 1976-05-03 Geometry and focus correction circuit

Publications (2)

Publication Number Publication Date
FR2350750A1 true FR2350750A1 (fr) 1977-12-02
FR2350750B1 FR2350750B1 (fr) 1983-03-18

Family

ID=24738834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712871A Granted FR2350750A1 (fr) 1976-05-03 1977-04-22 Circuit de correction de geometrie et de foyer pour un tube a rayons cathodiques

Country Status (7)

Country Link
US (1) US4039899A (fr)
JP (1) JPS586425B2 (fr)
CA (1) CA1096049A (fr)
DE (1) DE2718904C3 (fr)
FR (1) FR2350750A1 (fr)
GB (1) GB1545373A (fr)
NL (1) NL171402C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309640A (en) * 1980-01-25 1982-01-05 Tektronix, Inc. Circuit and method for correcting side pincushion distortion and regulating picture width
EP0110282A1 (fr) * 1982-11-23 1984-06-13 Tektronix, Inc. Procédé et circuit de correction de distorsion d'image
US4496882A (en) * 1982-12-03 1985-01-29 Motorola, Inc. Inductorless pincushion correction circuit
JPS6057785A (ja) * 1983-09-09 1985-04-03 Hitachi Ltd テレビカメラ装置
BG45024A1 (fr) * 1986-03-06 1989-03-15 Vasil B Penchev
JPH1146309A (ja) * 1997-07-28 1999-02-16 Mitsubishi Electric Corp Ｃｒｔフォーカスの補正方法、ｃｒｔフォーカス補正回路及びディスプレイ装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517252A (en) * 1969-02-20 1970-06-23 Sanders Associates Inc Linearity correction apparatus for magnetically deflected cathode ray tubes
US3772566A (en) * 1971-05-07 1973-11-13 Loral Corp Linearization of magnetically deflected cathode ray tube with non-axial guns
US3825796A (en) * 1971-06-21 1974-07-23 United Aircraft Corp Crt geometry correction network
US3714501A (en) * 1971-11-26 1973-01-30 Litton Systems Inc Linearity correction for magnetically deflectable cathode ray tubes

Also Published As

Publication number Publication date
DE2718904C3 (de) 1982-02-04
US4039899A (en) 1977-08-02
DE2718904B2 (de) 1981-05-07
GB1545373A (en) 1979-05-10
JPS52133716A (en) 1977-11-09
CA1096049A (fr) 1981-02-17
DE2718904A1 (de) 1977-11-10
NL7700723A (nl) 1977-11-07
FR2350750B1 (fr) 1983-03-18
NL171402B (nl) 1982-10-18
JPS586425B2 (ja) 1983-02-04
NL171402C (nl) 1983-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse