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IT1108601B - Circuito per produrre un segnale periodico parabolico particolarmente per la televisione - Google Patents

Circuito per produrre un segnale periodico parabolico particolarmente per la televisione

Info

Publication number
IT1108601B
IT1108601B IT67805/78A IT6780578A IT1108601B IT 1108601 B IT1108601 B IT 1108601B IT 67805/78 A IT67805/78 A IT 67805/78A IT 6780578 A IT6780578 A IT 6780578A IT 1108601 B IT1108601 B IT 1108601B
Authority
IT
Italy
Prior art keywords
television
produce
circuit
periodic signal
signal particularly
Prior art date
Application number
IT67805/78A
Other languages
English (en)
Other versions
IT7867805A0 (it
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
Publication of IT7867805A0 publication Critical patent/IT7867805A0/it
Application granted granted Critical
Publication of IT1108601B publication Critical patent/IT1108601B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
    • 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)
  • Details Of Television Scanning (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
IT67805/78A 1977-04-14 1978-04-11 Circuito per produrre un segnale periodico parabolico particolarmente per la televisione IT1108601B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704062A NL7704062A (nl) 1977-04-14 1977-04-14 Schakeling voor het opwekken van een periodiek paraboolvormig signaal.

Publications (2)

Publication Number Publication Date
IT7867805A0 IT7867805A0 (it) 1978-04-11
IT1108601B true IT1108601B (it) 1985-12-09

Family

ID=19828348

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67805/78A IT1108601B (it) 1977-04-14 1978-04-11 Circuito per produrre un segnale periodico parabolico particolarmente per la televisione

Country Status (8)

Country Link
US (1) US4216392A (it)
JP (1) JPS53128930A (it)
AU (1) AU3497678A (it)
DE (1) DE2815028C2 (it)
ES (1) ES468715A1 (it)
FR (1) FR2387552A1 (it)
IT (1) IT1108601B (it)
NL (1) NL7704062A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54127217A (en) * 1978-03-27 1979-10-03 Sony Corp Load driver circuit
FI63845C (fi) * 1981-10-14 1983-08-10 Salora Oy Saett att bilda en av horisontal- och vertikalavlaenkningen ho ett bildroer beroende varierande fokuseringsspaenning sa mtoppling foer genomfoerande av saettet
US4459614A (en) * 1981-12-24 1984-07-10 Ampex Corporation Rotation-free electrical focussing circuit for television image tubes
AU574060B2 (en) * 1983-02-02 1988-06-30 N.V. Philips Gloeilampenfabrieken Field deflection circuit with multiplier
GB2160080B (en) * 1984-06-05 1988-01-20 Motorola Inc Timebase circuit
US4849652A (en) * 1986-12-01 1989-07-18 U.S. Philips Corporation Circuit for producing a periodic, essentially parabolic signal
US4733140A (en) * 1987-01-06 1988-03-22 Zenith Electronics Corporation Side pincushion correction circuit with automatic picture tracking
JPH03188709A (ja) * 1989-12-19 1991-08-16 Hitachi Ltd のこぎり波発生回路
US5034664A (en) * 1990-04-27 1991-07-23 Thomson Consumer Electronics, Inc. Parabola generators with auxiliary reset function
TW319939B (it) * 1993-12-13 1997-11-11 Thomson Consumer Electronics
US6014049A (en) * 1995-04-28 2000-01-11 Delco Electronics Corp. Reduced RFI power pulse modulator
KR19990044340A (ko) * 1996-06-26 1999-06-25 요트.게.아. 롤페즈 포커싱 회로를 가지는 화상 표시 장치 및 그 포커싱 신호 발생방법
US7102302B2 (en) * 2002-04-19 2006-09-05 Thomson Licensing Waveform generator for controlling an electron beam in a cathode ray tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181079A (en) * 1959-12-18 1965-04-27 Philips Corp Series energized transistorised amplifier having a high input resistance
NL282965A (it) * 1962-09-06
US3394266A (en) * 1964-10-27 1968-07-23 Rca Corp Direct current electrical neuron circuit
DE1956140A1 (de) * 1969-11-07 1971-05-13 Licentia Gmbh Schaltung zur Ost-West-Korrektur von Kissenverzeichnungen in Fernsehempfaengern
BE758414A (fr) * 1969-11-04 1971-05-03 Philips Nv Circuit de commande destine a un cicuit de deviation d'un dispositif dereproduction d'images
US3684896A (en) * 1970-08-26 1972-08-15 Meridian Industries Inc Flasher circuit with short protection
DE2130542A1 (de) * 1971-06-19 1972-12-21 Licentia Gmbh Schaltung zur Speisung einer Ablenkspule fuer eine Kathoden-strahlroehre,insbesondere fuer die Vertikalablenkung,mit vier eine Brueckenschaltung bildenden Endstufentransistoren
US3740611A (en) * 1971-07-28 1973-06-19 Motorola Inc Vertical deflection waveform generator
DE2400824A1 (de) * 1974-01-09 1975-07-17 Licentia Gmbh Vertikalablenk-verstaerker mit gegenkopplung in fernsehempfaengern mit zwischenzeilenverfahren
DE2558554A1 (de) * 1975-12-24 1977-06-30 Philips Patentverwaltung Schaltungsanordnung zum erzeugen eines parabelfoermigen signals aus einer saegezahnfoermigen steuergroesse

Also Published As

Publication number Publication date
DE2815028C2 (de) 1982-03-04
NL7704062A (nl) 1978-10-17
ES468715A1 (es) 1978-12-16
AU3497678A (en) 1979-10-18
DE2815028A1 (de) 1978-10-19
US4216392A (en) 1980-08-05
IT7867805A0 (it) 1978-04-11
FR2387552A1 (fr) 1978-11-10
JPS53128930A (en) 1978-11-10

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