GB2223143B - Improvement in an apparatus for converting an rgb signal into a composite videosignal and its use in providing computer generated video overlays. - Google Patents

Improvement in an apparatus for converting an rgb signal into a composite videosignal and its use in providing computer generated video overlays.

Info

Publication number
GB2223143B
GB2223143B GB8907804A GB8907804A GB2223143B GB 2223143 B GB2223143 B GB 2223143B GB 8907804 A GB8907804 A GB 8907804A GB 8907804 A GB8907804 A GB 8907804A GB 2223143 B GB2223143 B GB 2223143B
Authority
GB
United Kingdom
Prior art keywords
videosignal
converting
composite
improvement
rgb signal
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
GB8907804A
Other versions
GB2223143A (en
GB8907804D0 (en
Inventor
Paul E Greaves
Michael R Moore
Stephen G Perlman
Laurence A Thompson
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.)
Apple Inc
Original Assignee
Apple Computer 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
Application filed by Apple Computer Inc filed Critical Apple Computer Inc
Publication of GB8907804D0 publication Critical patent/GB8907804D0/en
Publication of GB2223143A publication Critical patent/GB2223143A/en
Application granted granted Critical
Publication of GB2223143B publication Critical patent/GB2223143B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/42—Flyback transformers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/28—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using colour tubes
    • G09G1/285—Interfacing with colour displays, e.g. TV receiver
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)
  • Controls And Circuits For Display Device (AREA)
GB8907804A 1988-09-26 1989-04-06 Improvement in an apparatus for converting an rgb signal into a composite videosignal and its use in providing computer generated video overlays. Expired - Fee Related GB2223143B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24960388A 1988-09-26 1988-09-26

Publications (3)

Publication Number Publication Date
GB8907804D0 GB8907804D0 (en) 1989-05-17
GB2223143A GB2223143A (en) 1990-03-28
GB2223143B true GB2223143B (en) 1993-01-13

Family

ID=22944207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8907804A Expired - Fee Related GB2223143B (en) 1988-09-26 1989-04-06 Improvement in an apparatus for converting an rgb signal into a composite videosignal and its use in providing computer generated video overlays.

Country Status (4)

Country Link
JP (1) JPH02121596A (en)
KR (1) KR910005694A (en)
CA (1) CA1327648C (en)
GB (1) GB2223143B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1243883B (en) * 1990-10-31 1994-06-28 Grafite Srl COLOR GRAPHIC CONVERSION DEVICE PARTICULARLY FOR THE CONVERSION OF VIDEO SIGNALS COMING FROM GRAPHIC STATIONS INTO TELEVISION SIGNALS
EP0697689B1 (en) * 1994-08-11 2001-09-12 International Computers Limited Integrated computer and television with remote control of cursor position
KR100762609B1 (en) * 2001-07-25 2007-10-04 삼성토탈 주식회사 Polypropylene-syndiotactic polystyrene resin composition

Also Published As

Publication number Publication date
GB2223143A (en) 1990-03-28
JPH02121596A (en) 1990-05-09
GB8907804D0 (en) 1989-05-17
KR910005694A (en) 1991-03-30
CA1327648C (en) 1994-03-08

Similar Documents

Publication Publication Date Title
GB2268860B (en) Video store and forward on demand apparatus and method
EP0618739A3 (en) Digital video camera and recording apparatus.
EP0613303A3 (en) Image signal compression apparatus and method thereof.
EP0525943A3 (en) Method and apparatus for merging independently generated internal video signal with external video signal
AU1080988A (en) Video color detector and chroma key device and method
EP0624032A3 (en) Video format conversion apparatus and method.
EP0594338A3 (en) Video decompression apparatus and method.
EP0798919A3 (en) Document image compression system and method
HK1063404A1 (en) Video signal compression apparatus and compressionmethod thereof
EP0617543A3 (en) Imaging and recording apparatus.
AU2176292A (en) Method and apparatus for encoding a video signal having multi-language capabilities
GB9614837D0 (en) Interactive desktop system with multiple image capture and display modes
EP0386269A4 (en) N-dimensional scan type display system and its apparatus
CA2095756A1 (en) Method and apparatus for linear color processing
GB8925438D0 (en) Non-linear rgb video signal processing
EP0650120A3 (en) Method and computer system for integrating a compression system with an operating system.
EP0602817A3 (en) Digital video signal processing apparatus.
EP0633701A3 (en) Method and device for the compression of a digital video signal.
GB2260054B (en) Television signal converting apparatus and method
SG55024A1 (en) Apparatus for identifying standard and non-standard video signals
GB2223143B (en) Improvement in an apparatus for converting an rgb signal into a composite videosignal and its use in providing computer generated video overlays.
GB9307894D0 (en) Multichannel digital image compression and processing
GB2262681B (en) Television signal standard conversion apparatus and method
GB2235348B (en) Digital processing system for video and television signal generation
EP0609824A3 (en) Digital video signal recording apparatus and method.

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970406