FR2394948A1 - Circuit convertisseur de nombre de lignes - Google Patents

Circuit convertisseur de nombre de lignes

Info

Publication number
FR2394948A1
FR2394948A1 FR7817614A FR7817614A FR2394948A1 FR 2394948 A1 FR2394948 A1 FR 2394948A1 FR 7817614 A FR7817614 A FR 7817614A FR 7817614 A FR7817614 A FR 7817614A FR 2394948 A1 FR2394948 A1 FR 2394948A1
Authority
FR
France
Prior art keywords
converter circuit
lines converter
lines
television
interpolates
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
FR7817614A
Other languages
English (en)
Other versions
FR2394948B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2394948A1 publication Critical patent/FR2394948A1/fr
Application granted granted Critical
Publication of FR2394948B1 publication Critical patent/FR2394948B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

On obtient un doubleur de nombre de lignes de télévision donnant une très bonne qualité d'image en utilisant un circuit d'interpolation de trame qui effectue l'interpolation à l'aide de quantités d'informations égales provenant de deux trames successives. Application : à la conversion de standard de télévision.
FR7817614A 1977-06-14 1978-06-13 Circuit convertisseur de nombre de lignes Granted FR2394948A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7706512A NL7706512A (nl) 1977-06-14 1977-06-14 Lijnentalomzetschakeling.

Publications (2)

Publication Number Publication Date
FR2394948A1 true FR2394948A1 (fr) 1979-01-12
FR2394948B1 FR2394948B1 (fr) 1985-05-10

Family

ID=19828717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7817614A Granted FR2394948A1 (fr) 1977-06-14 1978-06-13 Circuit convertisseur de nombre de lignes

Country Status (10)

Country Link
US (1) US4480267A (fr)
JP (1) JPS546414A (fr)
AU (1) AU3699078A (fr)
DE (1) DE2824561A1 (fr)
ES (1) ES470701A1 (fr)
FR (1) FR2394948A1 (fr)
GB (1) GB2000413B (fr)
IT (1) IT1109596B (fr)
NL (1) NL7706512A (fr)
SE (1) SE7806746L (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018856A1 (fr) * 1979-05-08 1980-11-12 British Broadcasting Corporation Système de visualisation de télévision
FR2497430A1 (fr) * 1980-12-26 1982-07-02 Sony Corp Recepteur de television comportant un circuit pour doubler la frequence de balayage de ligne
FR2497432A1 (fr) * 1980-12-26 1982-07-02 Sony Corp Recepteur de television a circuit de doublage de la frequence de balayage d'une ligne
FR2551287A1 (fr) * 1983-08-30 1985-03-01 Rca Corp Agencement de television a balayage progressif interpole

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900324A (nl) * 1979-01-16 1980-07-18 Philips Nv Rasterinterpolatieschakeling.
DE2938349C2 (de) * 1979-09-21 1983-05-26 Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt Schaltungsanordnung zur kompatiblen Auflösungserhöhung bei Fernsehsystemen
US4531152A (en) * 1979-10-03 1985-07-23 Lemelson Jerome H Television system and method
DE3117206A1 (de) * 1981-04-30 1982-11-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und schaltungsanordnung zum verdecken von fehlern in einem digitalen farbvideosignal
USRE32358E (en) * 1981-09-08 1987-02-17 Rca Corporation Television display system with reduced line-scan artifacts
JPS5879378A (ja) * 1981-11-05 1983-05-13 Sony Corp テレビジヨン受像機
JPS5883487A (ja) * 1981-11-13 1983-05-19 Sony Corp テレビジヨン受像機
JPS5937775A (ja) * 1982-08-25 1984-03-01 Sony Corp 倍走査テレビジヨン受像機
GB2132443A (en) * 1982-12-22 1984-07-04 Philips Electronic Associated Television transmission system
US4550336A (en) * 1983-08-26 1985-10-29 Rca Corporation Progressive scan speed-up processor
US4583113A (en) * 1983-08-26 1986-04-15 Rca Corporation Progressive scan television display system employing interpolation in the luminance channel
JPS6065672A (ja) * 1983-09-21 1985-04-15 Hitachi Ltd 画像処理装置
JPS60165186A (ja) * 1984-02-08 1985-08-28 Hitachi Ltd 走査線補間回路
JPS6130887A (ja) * 1984-07-23 1986-02-13 Hitachi Ltd デジタルテレビジヨン受像機の信号変換回路
US4580163A (en) * 1984-08-31 1986-04-01 Rca Corporation Progressive scan video processor having parallel organized memories and a single averaging circuit
US4577225A (en) * 1984-08-31 1986-03-18 Rca Corporation Progressive scan video processor having common memories for video interpolation and speed-up
DE3482365D1 (de) * 1984-11-08 1990-06-28 Itt Ind Gmbh Deutsche Fernsehempfaenger mit flimmerfreier wiedergabe eines zwischenzeilen-videosignals.
US4974083A (en) * 1985-04-12 1990-11-27 Ampex Corporation Recirculating special effects video framestore
CA1323418C (fr) * 1987-03-27 1993-10-19 David E. Trytko Generateur d'effets video a combinateur video a recirculation et a combinateur de sortie
DE3835171A1 (de) * 1988-10-15 1990-04-19 Philips Patentverwaltung Speicher fuer videosignale
JPH0685577B2 (ja) * 1989-01-18 1994-10-26 三洋電機株式会社 サブサンプル映像信号復調装置
DE69027136T2 (de) * 1989-02-10 1996-10-24 Sharp Kk Flüssigkristallanzeigeeinheit und Steuerverfahren dafür
GB2243514B (en) * 1990-02-09 1994-03-23 British Broadcasting Corp Generation of interlaced TV signals by interpolation
US5291275A (en) * 1990-06-20 1994-03-01 International Business Machines Incorporated Triple field buffer for television image storage and visualization on raster graphics display
JP2585957B2 (ja) 1992-08-18 1997-02-26 富士通株式会社 ビデオデータ変換処理装置とビデオデータ変換装置を有する情報処理装置
JP2951871B2 (ja) * 1995-07-11 1999-09-20 富士通株式会社 表示データ出力装置及び情報処理装置及び表示データ出力方法
DE10048884A1 (de) * 2000-09-29 2002-04-11 Vega Medien Ag Verfahren zur Skalierung eines zeilenweise aufgebauten stereoskopischen Bild- oder Laufbildsignals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1019811A (en) * 1960-12-22 1966-02-09 British Broadcasting Corp Improvements in and relating to the conversion of television signals from one standard to another
GB1007123A (en) * 1961-04-12 1965-10-13 British Broadcasting Corp Improvements relating to television standards conversion
GB1022472A (en) * 1962-07-20 1966-03-16 British Broadcasting Crorporat Improvements in and relating to television standards converters
GB1025512A (en) * 1963-07-05 1966-04-14 British Broadcasting Corp Television standards conversion
GB1174064A (en) * 1966-10-12 1969-12-10 British Broadcasting Corp Synchronisation of Television Signals
GB1191500A (en) * 1967-10-10 1970-05-13 British Broadcasting Corp Television Standards Conversions.
GB1326386A (en) * 1970-08-07 1973-08-08 British Broadcasting Corp Television standards conversion
NL169399C (nl) * 1971-09-04 1982-07-01 Philips Nv Regelstandaardomzetter voor het omzetten van een televisiesignaal met een aantal van n in een televisiesignaal met een aantal van m regels per beeld.
DE2617884C2 (de) * 1976-04-23 1985-03-21 Robert Bosch Gmbh, 7000 Stuttgart Normwandler für Fernsehsignale

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018856A1 (fr) * 1979-05-08 1980-11-12 British Broadcasting Corporation Système de visualisation de télévision
FR2497430A1 (fr) * 1980-12-26 1982-07-02 Sony Corp Recepteur de television comportant un circuit pour doubler la frequence de balayage de ligne
FR2497432A1 (fr) * 1980-12-26 1982-07-02 Sony Corp Recepteur de television a circuit de doublage de la frequence de balayage d'une ligne
FR2551287A1 (fr) * 1983-08-30 1985-03-01 Rca Corp Agencement de television a balayage progressif interpole

Also Published As

Publication number Publication date
JPS6318394B2 (fr) 1988-04-18
JPS546414A (en) 1979-01-18
SE7806746L (sv) 1978-12-15
GB2000413A (en) 1979-01-04
IT1109596B (it) 1985-12-23
NL7706512A (nl) 1978-12-18
IT7868354A0 (it) 1978-06-09
FR2394948B1 (fr) 1985-05-10
AU3699078A (en) 1979-12-13
GB2000413B (en) 1982-03-31
US4480267A (en) 1984-10-30
DE2824561C2 (fr) 1987-06-25
ES470701A1 (es) 1979-01-16
DE2824561A1 (de) 1979-01-04

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Legal Events

Date Code Title Description
ST Notification of lapse