GB2348760B - Edge modulation - Google Patents

Edge modulation

Info

Publication number
GB2348760B
GB2348760B GB9908232A GB9908232A GB2348760B GB 2348760 B GB2348760 B GB 2348760B GB 9908232 A GB9908232 A GB 9908232A GB 9908232 A GB9908232 A GB 9908232A GB 2348760 B GB2348760 B GB 2348760B
Authority
GB
United Kingdom
Prior art keywords
edge modulation
modulation
edge
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
GB9908232A
Other versions
GB2348760A (en
GB9908232D0 (en
Inventor
Jonathan Mark Greenwood
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.)
Sony Europe Ltd
Original Assignee
Sony United Kingdom Ltd
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 Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Priority to GB9908232A priority Critical patent/GB2348760B/en
Publication of GB9908232D0 publication Critical patent/GB9908232D0/en
Priority to JP2000106940A priority patent/JP2000324390A/en
Publication of GB2348760A publication Critical patent/GB2348760A/en
Application granted granted Critical
Publication of GB2348760B publication Critical patent/GB2348760B/en
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
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2622—Signal amplitude transition in the zone between image portions, e.g. soft edges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265—Mixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
GB9908232A 1999-04-09 1999-04-09 Edge modulation Expired - Fee Related GB2348760B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9908232A GB2348760B (en) 1999-04-09 1999-04-09 Edge modulation
JP2000106940A JP2000324390A (en) 1999-04-09 2000-04-07 Edge modification processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9908232A GB2348760B (en) 1999-04-09 1999-04-09 Edge modulation

Publications (3)

Publication Number Publication Date
GB9908232D0 GB9908232D0 (en) 1999-06-02
GB2348760A GB2348760A (en) 2000-10-11
GB2348760B true GB2348760B (en) 2003-07-16

Family

ID=10851305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9908232A Expired - Fee Related GB2348760B (en) 1999-04-09 1999-04-09 Edge modulation

Country Status (2)

Country Link
JP (1) JP2000324390A (en)
GB (1) GB2348760B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265781A (en) * 1992-03-27 1993-10-06 Sony Broadcast & Communication Video signal generating apparatus
GB2272127A (en) * 1992-10-30 1994-05-04 Grass Valley Group Pattern generation using wipe solid generation
US5608465A (en) * 1994-01-28 1997-03-04 Scitex Im Acquisition Corp. Video mixer control signal generator modular element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265781A (en) * 1992-03-27 1993-10-06 Sony Broadcast & Communication Video signal generating apparatus
GB2272127A (en) * 1992-10-30 1994-05-04 Grass Valley Group Pattern generation using wipe solid generation
US5608465A (en) * 1994-01-28 1997-03-04 Scitex Im Acquisition Corp. Video mixer control signal generator modular element

Also Published As

Publication number Publication date
JP2000324390A (en) 2000-11-24
GB2348760A (en) 2000-10-11
GB9908232D0 (en) 1999-06-02

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Legal Events

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

Effective date: 20110409