DE68912095D1 - Bildgrössenreduzierungsschaltung zur Reduzierung eines Bildes normaler Grösse in eine kleinere Fläche. - Google Patents

Bildgrössenreduzierungsschaltung zur Reduzierung eines Bildes normaler Grösse in eine kleinere Fläche.

Info

Publication number
DE68912095D1
DE68912095D1 DE89120137T DE68912095T DE68912095D1 DE 68912095 D1 DE68912095 D1 DE 68912095D1 DE 89120137 T DE89120137 T DE 89120137T DE 68912095 T DE68912095 T DE 68912095T DE 68912095 D1 DE68912095 D1 DE 68912095D1
Authority
DE
Germany
Prior art keywords
image
reducing
smaller area
reduction circuit
size
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 - Lifetime
Application number
DE89120137T
Other languages
English (en)
Inventor
Akira C O Nec Corporati Sawada
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE68912095D1 publication Critical patent/DE68912095D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • 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
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE89120137T 1988-10-31 1989-10-30 Bildgrössenreduzierungsschaltung zur Reduzierung eines Bildes normaler Grösse in eine kleinere Fläche. Expired - Lifetime DE68912095D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27646488 1988-10-31

Publications (1)

Publication Number Publication Date
DE68912095D1 true DE68912095D1 (de) 1994-02-17

Family

ID=17569811

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89120137T Expired - Lifetime DE68912095D1 (de) 1988-10-31 1989-10-30 Bildgrössenreduzierungsschaltung zur Reduzierung eines Bildes normaler Grösse in eine kleinere Fläche.

Country Status (3)

Country Link
US (1) US5047839A (de)
EP (1) EP0371270B1 (de)
DE (1) DE68912095D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2748562B2 (ja) * 1988-07-13 1998-05-06 セイコーエプソン株式会社 画像処理装置
US5387945A (en) * 1988-07-13 1995-02-07 Seiko Epson Corporation Video multiplexing system for superimposition of scalable video streams upon a background video data stream
FR2664779B1 (fr) * 1990-07-13 1993-06-11 Europ Rech Electr Lab Procede de traitement d'un signal video.
JPH05336502A (ja) * 1992-05-29 1993-12-17 Sony Corp 映像付加情報挿入装置
US6023262A (en) * 1996-06-28 2000-02-08 Cirrus Logic, Inc. Method and apparatus in a computer system to generate a downscaled video image for display on a television system
WO2000002384A2 (en) * 1998-07-06 2000-01-13 Koninklijke Philips Electronics N.V. Image data compression

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242324A (en) * 1975-09-30 1977-04-01 Chubu Nippon Hoso Kk Chroma signal processing system
US4134128A (en) * 1976-03-19 1979-01-09 Rca Corporation Television picture size altering apparatus
GB1597484A (en) * 1977-03-21 1981-09-09 Rca Corp Television picture compressor
DE2725362C3 (de) * 1977-06-04 1980-08-28 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum Verarbeiten von Farbfernsehsignalen
GB2040640B (en) * 1979-01-26 1983-09-01 British Broadcasting Corp Digitising an ntsc television signal
JPS5731280A (en) * 1980-08-01 1982-02-19 Hitachi Ltd Simultaneous display television receiver of colored plural screens
US4656515A (en) * 1985-03-25 1987-04-07 Rca Corporation Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates
US4712130A (en) * 1986-08-29 1987-12-08 Rca Corporation Chrominance signal frequency converter as for a pix-in-pix television receiver
US4750039A (en) * 1986-10-10 1988-06-07 Rca Licensing Corporation Circuitry for processing a field of video information to develop two compressed fields

Also Published As

Publication number Publication date
US5047839A (en) 1991-09-10
EP0371270A3 (en) 1990-09-19
EP0371270B1 (de) 1994-01-05
EP0371270A2 (de) 1990-06-06

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Legal Events

Date Code Title Description
8332 No legal effect for de