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GB2348768B - Signal generator - Google Patents

Signal generator

Info

Publication number
GB2348768B
GB2348768B GB9908243A GB9908243A GB2348768B GB 2348768 B GB2348768 B GB 2348768B GB 9908243 A GB9908243 A GB 9908243A GB 9908243 A GB9908243 A GB 9908243A GB 2348768 B GB2348768 B GB 2348768B
Authority
GB
United Kingdom
Prior art keywords
signal generator
generator
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
GB9908243A
Other versions
GB2348768A (en
GB9908243D0 (en
Inventor
Jonathan Mark Greenwood
James Hendrie Mcintyre
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 BV United Kingdom Branch
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 GB9908243A priority Critical patent/GB2348768B/en
Publication of GB9908243D0 publication Critical patent/GB9908243D0/en
Priority to JP2000100960A priority patent/JP2000324392A/en
Publication of GB2348768A publication Critical patent/GB2348768A/en
Application granted granted Critical
Publication of GB2348768B publication Critical patent/GB2348768B/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)
GB9908243A 1999-04-09 1999-04-09 Signal generator Expired - Fee Related GB2348768B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9908243A GB2348768B (en) 1999-04-09 1999-04-09 Signal generator
JP2000100960A JP2000324392A (en) 1999-04-09 2000-04-03 Signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9908243A GB2348768B (en) 1999-04-09 1999-04-09 Signal generator

Publications (3)

Publication Number Publication Date
GB9908243D0 GB9908243D0 (en) 1999-06-02
GB2348768A GB2348768A (en) 2000-10-11
GB2348768B true GB2348768B (en) 2003-06-18

Family

ID=10851316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9908243A Expired - Fee Related GB2348768B (en) 1999-04-09 1999-04-09 Signal generator

Country Status (2)

Country Link
JP (1) JP2000324392A (en)
GB (1) GB2348768B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121253A (en) * 1976-08-20 1978-10-17 Vital Industries, Inc. Video special effects generator
WO1986005645A1 (en) * 1985-03-15 1986-09-25 Ampex Corporation Apparatus and method for producing a variety of video wipe borders
US4963977A (en) * 1988-12-21 1990-10-16 The Grass Valley Group, Inc. Apparatus for generating a video signal representing a field of spatially varying color

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121253A (en) * 1976-08-20 1978-10-17 Vital Industries, Inc. Video special effects generator
WO1986005645A1 (en) * 1985-03-15 1986-09-25 Ampex Corporation Apparatus and method for producing a variety of video wipe borders
US4963977A (en) * 1988-12-21 1990-10-16 The Grass Valley Group, Inc. Apparatus for generating a video signal representing a field of spatially varying color

Also Published As

Publication number Publication date
GB2348768A (en) 2000-10-11
JP2000324392A (en) 2000-11-24
GB9908243D0 (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