IT8349428A0 - Circuito di correzione della distorsione a cuscinetto per tubi a raggi catodici - Google Patents

Circuito di correzione della distorsione a cuscinetto per tubi a raggi catodici

Info

Publication number
IT8349428A0
IT8349428A0 IT8349428A IT4942883A IT8349428A0 IT 8349428 A0 IT8349428 A0 IT 8349428A0 IT 8349428 A IT8349428 A IT 8349428A IT 4942883 A IT4942883 A IT 4942883A IT 8349428 A0 IT8349428 A0 IT 8349428A0
Authority
IT
Italy
Prior art keywords
cathode ray
correction circuit
distortion correction
ray tubes
pincushion distortion
Prior art date
Application number
IT8349428A
Other languages
English (en)
Other versions
IT1169349B (it
Inventor
Oliver Kirk Douglas
Wolf David Allen
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of IT8349428A0 publication Critical patent/IT8349428A0/it
Application granted granted Critical
Publication of IT1169349B publication Critical patent/IT1169349B/it

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
    • 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
    • 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)
IT49428/83A 1982-12-03 1983-12-02 Circuito di correzione della distorsione a cuscinetto per tubi a raggi catodici IT1169349B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/446,529 US4496882A (en) 1982-12-03 1982-12-03 Inductorless pincushion correction circuit

Publications (2)

Publication Number Publication Date
IT8349428A0 true IT8349428A0 (it) 1983-12-02
IT1169349B IT1169349B (it) 1987-05-27

Family

ID=23772922

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49428/83A IT1169349B (it) 1982-12-03 1983-12-02 Circuito di correzione della distorsione a cuscinetto per tubi a raggi catodici

Country Status (6)

Country Link
US (1) US4496882A (it)
EP (1) EP0127669A1 (it)
KR (1) KR860000088B1 (it)
CA (1) CA1202120A (it)
IT (1) IT1169349B (it)
WO (1) WO1984002227A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07123287B2 (ja) * 1986-12-12 1995-12-25 株式会社日立製作所 上下糸巻歪補正回路
US4733140A (en) * 1987-01-06 1988-03-22 Zenith Electronics Corporation Side pincushion correction circuit with automatic picture tracking
US4845409A (en) * 1987-01-06 1989-07-04 Zenith Electronics Corporation Independent top/bottom raster correction
US4766354A (en) * 1987-01-06 1988-08-23 Zenith Electronics Corporation Independent top/bottom pincushion correction
US4764709A (en) * 1987-06-26 1988-08-16 Zenith Electronics Corporation Top/bottom pincushion correction circuit with automatic picture tracking
JPH0793691B2 (ja) * 1989-11-06 1995-10-09 松下電器産業株式会社 テレビジョン受像機
US5065186A (en) * 1990-05-03 1991-11-12 Ncr Corporation Magnetic emissions reduction apparatus and method
US5345151A (en) * 1993-09-03 1994-09-06 Thomson Consumer Electronics, Inc. Automatic calibration in a waveform generator for deflection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880358A (en) * 1952-04-08 1959-03-31 Motorola Inc Color television system
JPS551080Y2 (it) * 1973-06-25 1980-01-12
GB1528981A (en) * 1975-02-20 1978-10-18 Rca Corp Deflection system such as for television receivers including a switched mode vertical(field)reflection circuit
GB1574726A (en) * 1976-03-19 1980-09-10 Rca Corp Side pincushion distortion correction circuit
US4104566A (en) * 1976-04-29 1978-08-01 Harris Corporation Analog correction system
US4039899A (en) * 1976-05-03 1977-08-02 Tektronix, Inc. Geometry and focus correction circuit
GB1600367A (en) * 1977-07-25 1981-10-14 Rca Corp Pincushion correction circuit
NL7802129A (nl) * 1978-02-27 1979-08-29 Philips Nv Inrichting voor het weergeven van gekleurde beelden.
US4305023A (en) * 1980-07-07 1981-12-08 Rca Corporation Raster distortion corrected deflection circuit

Also Published As

Publication number Publication date
WO1984002227A1 (en) 1984-06-07
EP0127669A1 (en) 1984-12-12
KR860000088B1 (ko) 1986-02-18
KR840006724A (ko) 1984-12-01
IT1169349B (it) 1987-05-27
US4496882A (en) 1985-01-29
CA1202120A (en) 1986-03-18

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