AT303846B - Circuit arrangement with a coil for generating a magnetic field which changes periodically over time and whose amplitude is adjustable - Google Patents

Circuit arrangement with a coil for generating a magnetic field which changes periodically over time and whose amplitude is adjustable

Info

Publication number
AT303846B
AT303846B AT500670A AT500670A AT303846B AT 303846 B AT303846 B AT 303846B AT 500670 A AT500670 A AT 500670A AT 500670 A AT500670 A AT 500670A AT 303846 B AT303846 B AT 303846B
Authority
AT
Austria
Prior art keywords
coil
adjustable
generating
magnetic field
over time
Prior art date
Application number
AT500670A
Other languages
German (de)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT303846B publication Critical patent/AT303846B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
AT500670A 1969-06-07 1970-06-04 Circuit arrangement with a coil for generating a magnetic field which changes periodically over time and whose amplitude is adjustable AT303846B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6908715A NL6908715A (en) 1969-06-07 1969-06-07
NL7003282A NL7003282A (en) 1969-06-07 1970-03-07

Publications (1)

Publication Number Publication Date
AT303846B true AT303846B (en) 1972-12-11

Family

ID=26644439

Family Applications (1)

Application Number Title Priority Date Filing Date
AT500670A AT303846B (en) 1969-06-07 1970-06-04 Circuit arrangement with a coil for generating a magnetic field which changes periodically over time and whose amplitude is adjustable

Country Status (9)

Country Link
US (1) US3714495A (en)
AT (1) AT303846B (en)
AU (1) AU1589170A (en)
BE (1) BE751588A (en)
DE (1) DE2027895A1 (en)
ES (1) ES380450A1 (en)
FR (1) FR2045906A1 (en)
GB (1) GB1311184A (en)
NL (2) NL6908715A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849652A (en) * 1986-12-01 1989-07-18 U.S. Philips Corporation Circuit for producing a periodic, essentially parabolic signal
JP2001185059A (en) * 1999-12-22 2001-07-06 Toshiba Corp Color picture tube equipment
TW465071B (en) * 2000-09-21 2001-11-21 Acer Comm & Amp Multimedia Inc Protection loop for horizontal transistor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258642A (en) * 1963-08-05 1966-06-28 Electron beam convergence apparatus
US3382400A (en) * 1965-02-26 1968-05-07 Sylvania Electric Prod Convergence circuit
US3586902A (en) * 1968-07-30 1971-06-22 Fernseh Gmbh Vertical deflection arrangement in a color television system

Also Published As

Publication number Publication date
FR2045906A1 (en) 1971-03-05
NL6908715A (en) 1970-12-09
BE751588A (en) 1970-12-07
AU1589170A (en) 1971-12-09
NL7003282A (en) 1971-09-09
ES380450A1 (en) 1973-04-01
GB1311184A (en) 1973-03-21
DE2027895A1 (en) 1970-12-23
US3714495A (en) 1973-01-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee