FR2499795B1 - Circuit pour doubler la frequence de trame d'un signal de television - Google Patents
Circuit pour doubler la frequence de trame d'un signal de televisionInfo
- Publication number
- FR2499795B1 FR2499795B1 FR8201985A FR8201985A FR2499795B1 FR 2499795 B1 FR2499795 B1 FR 2499795B1 FR 8201985 A FR8201985 A FR 8201985A FR 8201985 A FR8201985 A FR 8201985A FR 2499795 B1 FR2499795 B1 FR 2499795B1
- Authority
- FR
- France
- Prior art keywords
- doubling
- circuit
- television signal
- frame frequency
- frequency
- 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.)
- Expired
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
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
- H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
-
- 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
- H04N7/0105—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level using a storage device with different write and read speed
-
- 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
- H04N7/0137—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes dependent on presence/absence of motion, e.g. of motion zones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Systems (AREA)
- Synchronizing For Television (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8100603A NL8100603A (nl) | 1981-02-09 | 1981-02-09 | Rasterfrequentieverdubbelingsschakeling voor een televisiesignaal. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2499795A1 FR2499795A1 (fr) | 1982-08-13 |
FR2499795B1 true FR2499795B1 (fr) | 1985-06-14 |
Family
ID=19836986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8201985A Expired FR2499795B1 (fr) | 1981-02-09 | 1982-02-08 | Circuit pour doubler la frequence de trame d'un signal de television |
Country Status (6)
Country | Link |
---|---|
US (1) | US4435728A (fr) |
JP (1) | JPS57152280A (fr) |
DE (1) | DE3203978A1 (fr) |
FR (1) | FR2499795B1 (fr) |
GB (1) | GB2092858B (fr) |
NL (1) | NL8100603A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8204728A (nl) * | 1982-12-07 | 1984-07-02 | Philips Nv | Televisieschakeling voor raster- en lijnfrekwentieverdubbeling en beelddeelvergroting. |
NL8204807A (nl) * | 1982-12-13 | 1984-07-02 | Philips Nv | Kleurentelevisiebeeldweergeefinrichting. |
JPS59185485A (ja) * | 1983-04-07 | 1984-10-22 | Hitachi Ltd | テレビジヨン方式 |
JPS60100887A (ja) * | 1983-11-07 | 1985-06-04 | Sony Corp | テレビジヨン受像機 |
JPS60112381A (ja) * | 1983-11-22 | 1985-06-18 | Sony Corp | テレビジヨン受像機 |
NL8402707A (nl) * | 1984-09-05 | 1986-04-01 | Philips Nv | Rasterfrequentieverdubbelingsschakeling. |
FR2573601B1 (fr) * | 1984-11-20 | 1987-01-23 | Radiotechnique Sa | Circuit pour la commutation de sources video |
GB8628813D0 (en) * | 1986-12-02 | 1987-01-07 | British Broadcasting Corp | Video display system |
DE3740826A1 (de) * | 1987-12-02 | 1989-06-15 | Blaupunkt Werke Gmbh | Fernsehempfaenger mit einer einrichtung zur unterdrueckung von flimmerstoerungen |
DE3839437A1 (de) * | 1988-11-23 | 1990-05-31 | Grundig Emv | Schaltungsanordnung zur umsteuerung zwischen verschiedenen flimmerreduktionsverfahren in einem fernsehempfaenger |
AU5691294A (en) * | 1992-12-18 | 1994-07-19 | Maher A. Sid-Ahmed | Real-time television image pixel multiplication methods and apparatus |
US5621470A (en) * | 1992-12-18 | 1997-04-15 | Sid-Ahmed; Maher A. | Interpixel and interframe interpolation of television pictures with conversion from interlaced to progressive scanning |
KR100333223B1 (ko) * | 1993-08-18 | 2002-11-22 | 지멘스 악티엔게젤샤프트 | Tv세트에서플리커를감소시키기위한방법및장치 |
DE4327779C1 (de) * | 1993-08-18 | 1994-12-08 | Siemens Ag | Verfahren und Schaltungsanordnung für ein Fernsehgerät zur Verminderung des Flimmerns |
DE4423467C2 (de) * | 1994-07-05 | 1996-11-28 | Loewe Opta Gmbh | Verfahren zur Reduzierung von Linienflackereffekten bei der Darstellung von Standbildern, wie Testbildern, in Fernsehempfangsgeräten |
US6108041A (en) * | 1997-10-10 | 2000-08-22 | Faroudja Laboratories, Inc. | High-definition television signal processing for transmitting and receiving a television signal in a manner compatible with the present system |
US6014182A (en) * | 1997-10-10 | 2000-01-11 | Faroudja Laboratories, Inc. | Film source video detection |
GB0004862D0 (en) * | 2000-02-29 | 2000-04-19 | Blip X Limited | Video compression |
JP5219608B2 (ja) * | 2008-05-01 | 2013-06-26 | キヤノン株式会社 | フレームレート変換装置、方法及びプログラム |
JP5219609B2 (ja) * | 2008-05-01 | 2013-06-26 | キヤノン株式会社 | フレームレート変換装置、方法及びプログラム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4051531A (en) | 1970-03-26 | 1977-09-27 | Independent Broadcasting Authority | Television systems |
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. |
NL7117542A (fr) | 1971-12-21 | 1973-06-25 | ||
DE2617884C2 (de) * | 1976-04-23 | 1985-03-21 | Robert Bosch Gmbh, 7000 Stuttgart | Normwandler für Fernsehsignale |
US4240101A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Television standards conversion |
DE2652935C3 (de) * | 1976-11-22 | 1984-09-27 | Bts-Systementwicklungs Gmbh, 1000 Berlin | Verfahren und Anordnung zur Bildfrequenzwandlung |
US4276565A (en) | 1978-01-18 | 1981-06-30 | British Broadcasting Corporation | Method and apparatus for standards conversion of television signals |
JPS54138325A (en) * | 1978-04-19 | 1979-10-26 | Nippon Hoso Kyokai <Nhk> | Display system of picture signal |
US4322750A (en) | 1979-05-08 | 1982-03-30 | British Broadcasting Corporation | Television display system |
GB2050109B (en) * | 1979-05-08 | 1984-01-25 | British Broadcasting Corp | Television display system |
-
1981
- 1981-02-09 NL NL8100603A patent/NL8100603A/nl not_active Application Discontinuation
-
1982
- 1982-01-18 US US06/340,545 patent/US4435728A/en not_active Expired - Fee Related
- 1982-02-05 GB GB8203345A patent/GB2092858B/en not_active Expired
- 1982-02-05 DE DE19823203978 patent/DE3203978A1/de active Granted
- 1982-02-08 FR FR8201985A patent/FR2499795B1/fr not_active Expired
- 1982-02-09 JP JP57018321A patent/JPS57152280A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2499795A1 (fr) | 1982-08-13 |
JPH0332273B2 (fr) | 1991-05-10 |
JPS57152280A (en) | 1982-09-20 |
GB2092858B (en) | 1985-03-13 |
NL8100603A (nl) | 1982-09-01 |
GB2092858A (en) | 1982-08-18 |
US4435728A (en) | 1984-03-06 |
DE3203978A1 (de) | 1982-08-12 |
DE3203978C2 (fr) | 1989-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |