DE69121626D1 - Einrichtung zur Fernsehsignalumwandlung - Google Patents

Einrichtung zur Fernsehsignalumwandlung

Info

Publication number
DE69121626D1
DE69121626D1 DE69121626T DE69121626T DE69121626D1 DE 69121626 D1 DE69121626 D1 DE 69121626D1 DE 69121626 T DE69121626 T DE 69121626T DE 69121626 T DE69121626 T DE 69121626T DE 69121626 D1 DE69121626 D1 DE 69121626D1
Authority
DE
Germany
Prior art keywords
television signals
converting television
converting
signals
television
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 - Fee Related
Application number
DE69121626T
Other languages
English (en)
Other versions
DE69121626T2 (de
Inventor
Toshinori Yamamoto
Hisashi Ishikawa
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP2108910A external-priority patent/JPH048094A/ja
Priority claimed from JP2108911A external-priority patent/JPH048095A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69121626D1 publication Critical patent/DE69121626D1/de
Publication of DE69121626T2 publication Critical patent/DE69121626T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N7/0102—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving the resampling of the incoming video signal
    • 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
    • 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
    • H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • 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
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
DE69121626T 1990-04-26 1991-04-25 Einrichtung zur Fernsehsignalumwandlung Expired - Fee Related DE69121626T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2108910A JPH048094A (ja) 1990-04-26 1990-04-26 テレビジョン信号変換装置
JP2108911A JPH048095A (ja) 1990-04-26 1990-04-26 テレビジョン信号変換装置

Publications (2)

Publication Number Publication Date
DE69121626D1 true DE69121626D1 (de) 1996-10-02
DE69121626T2 DE69121626T2 (de) 1997-02-20

Family

ID=26448730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121626T Expired - Fee Related DE69121626T2 (de) 1990-04-26 1991-04-25 Einrichtung zur Fernsehsignalumwandlung

Country Status (3)

Country Link
US (2) US5307156A (de)
EP (1) EP0454115B1 (de)
DE (1) DE69121626T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2954328B2 (ja) * 1990-06-27 1999-09-27 株式会社日立製作所 映像信号の記録再生装置
KR940008842B1 (ko) * 1991-11-27 1994-09-26 삼성전자 주식회사 디지틀 엔코더
DE4203478A1 (de) * 1992-02-07 1993-08-12 Thomson Brandt Gmbh Verfahren zur umsetzung eines digitalen videosignals
US5268756A (en) * 1992-03-30 1993-12-07 Panasonic Technologies, Inc. Generation of synchronization samples for a digital PAL signal
US5680335A (en) * 1993-03-23 1997-10-21 Sony Corporation Rate converter using a register postfix type transversal filter
KR960036638A (ko) * 1995-03-31 1996-10-28 김광호 텔레비젼장치에서 이미지의 수직 신장장치 및 방법
US5526055A (en) * 1995-05-15 1996-06-11 Aitech International Apparatus and method to derive a television color subcarrier frequency signal from a computer video signal
EP0785682A4 (de) * 1995-07-19 1998-10-14 Toshiba Kk Letterboxumwandler
KR0157566B1 (ko) * 1995-09-30 1998-11-16 김광호 고화질을 위한 보간방법 및 장치
KR100194802B1 (ko) * 1995-12-19 1999-06-15 이계철 디지탈 티비 및 고선명 티비의 분할 화면 영상 처리를위한엠펙2인코더전처리장치
GB2312118B (en) * 1996-04-11 2000-03-01 Sony Uk Ltd Dual standard video signal processor
JP3695861B2 (ja) * 1996-10-16 2005-09-14 ローム株式会社 スキャンコンバータ
US5874846A (en) * 1997-01-17 1999-02-23 Chrontel Incorporated Method and apparatus for frequency generation in a synchronous system
JPH10308952A (ja) * 1997-05-07 1998-11-17 Mitsubishi Electric Corp 映像方式変換回路
US5905536A (en) * 1997-06-05 1999-05-18 Focus Enhancements, Inc. Video signal converter utilizing a subcarrier-based encoder
US6148032A (en) * 1998-05-12 2000-11-14 Hitachi America, Ltd. Methods and apparatus for reducing the cost of video decoders
US6128047A (en) 1998-05-20 2000-10-03 Sony Corporation Motion estimation process and system using sparse search block-matching and integral projection
US6335761B1 (en) * 1998-12-15 2002-01-01 Ati International S.R.L. Method and apparatus for converting color base of an image layer
US7483042B1 (en) 2000-01-13 2009-01-27 Ati International, Srl Video graphics module capable of blending multiple image layers
JP2007067923A (ja) * 2005-08-31 2007-03-15 Toshiba Corp 情報処理装置およびプログラム
US11488349B2 (en) 2019-06-28 2022-11-01 Ati Technologies Ulc Method and apparatus for alpha blending images from different color formats

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449143A (en) * 1981-10-26 1984-05-15 Rca Corporation Transcodeable vertically scanned high-definition television system
US4628344A (en) * 1982-09-14 1986-12-09 New York Institute Of Technoloy Method and apparatus for encoding and decoding video
NL8301071A (nl) * 1983-03-28 1984-10-16 Philips Nv Televisiestelsel met een lijnenaantalconversie en daartoe geschikte informatiegever en -ontvanger.
US4605952A (en) * 1983-04-14 1986-08-12 Rca Corporation Compatible HDTV system employing nonlinear edge compression/expansion for aspect ratio control
US4791487A (en) * 1985-06-28 1988-12-13 Canon Kabushiki Kaisha Picture signal conversion device
JPH0681304B2 (ja) * 1986-02-19 1994-10-12 ソニー株式会社 方式変換装置
US4709256A (en) * 1986-03-12 1987-11-24 Rca Corporation Wide screen composite video signal encoder and standard aspect ratio decoder having barst and subcarrier components of different frequencies
JPH01292984A (ja) * 1988-05-20 1989-11-27 Sony Corp 映像信号の方式変換装置
JPH0229178A (ja) * 1988-07-19 1990-01-31 Sony Corp 映像信号処理回路
JP2667900B2 (ja) * 1989-03-01 1997-10-27 株式会社日立製作所 記録再生装置
KR930004307B1 (ko) * 1989-06-15 1993-05-22 샤프 가부시끼가이샤 영상 신호의 주사선 수 변환 장치, 이것을 사용한 다운 컨버터 및 그 화면 텔레비젼 수상기
JP2578984B2 (ja) * 1989-07-06 1997-02-05 松下電器産業株式会社 映像信号変換回路
JPH03132185A (ja) * 1989-10-17 1991-06-05 Sanyo Electric Co Ltd テレビジョン信号変換器
JPH048085A (ja) * 1990-04-26 1992-01-13 Canon Inc テレビジョン信号変換装置
US5349385A (en) * 1992-08-06 1994-09-20 Florida Atlantic University Adaptive scan converter

Also Published As

Publication number Publication date
US5307156A (en) 1994-04-26
DE69121626T2 (de) 1997-02-20
EP0454115A2 (de) 1991-10-30
EP0454115B1 (de) 1996-08-28
EP0454115A3 (en) 1992-04-08
US5642169A (en) 1997-06-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee