GB2348764B - Signal generator - Google Patents

Signal generator

Info

Publication number
GB2348764B
GB2348764B GB9908239A GB9908239A GB2348764B GB 2348764 B GB2348764 B GB 2348764B GB 9908239 A GB9908239 A GB 9908239A GB 9908239 A GB9908239 A GB 9908239A GB 2348764 B GB2348764 B GB 2348764B
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
GB9908239A
Other versions
GB9908239D0 (en
GB2348764A (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 GB9908239A priority Critical patent/GB2348764B/en
Publication of GB9908239D0 publication Critical patent/GB9908239D0/en
Priority to JP2000082303A priority patent/JP2000307950A/en
Publication of GB2348764A publication Critical patent/GB2348764A/en
Application granted granted Critical
Publication of GB2348764B publication Critical patent/GB2348764B/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
    • H04N5/265—Mixing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
GB9908239A 1999-04-09 1999-04-09 Signal generator Expired - Fee Related GB2348764B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9908239A GB2348764B (en) 1999-04-09 1999-04-09 Signal generator
JP2000082303A JP2000307950A (en) 1999-04-09 2000-03-23 Signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9908239A GB2348764B (en) 1999-04-09 1999-04-09 Signal generator

Publications (3)

Publication Number Publication Date
GB9908239D0 GB9908239D0 (en) 1999-06-02
GB2348764A GB2348764A (en) 2000-10-11
GB2348764B true GB2348764B (en) 2003-05-28

Family

ID=10851312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9908239A Expired - Fee Related GB2348764B (en) 1999-04-09 1999-04-09 Signal generator

Country Status (2)

Country Link
JP (1) JP2000307950A (en)
GB (1) GB2348764B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7567297B2 (en) * 2004-06-29 2009-07-28 Richard Storek Television visual artwork generation system and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199790A (en) * 1978-06-26 1980-04-22 Central Dynamics Ltd. Matrix wipe generator for television signals
JPS63240273A (en) * 1987-03-27 1988-10-05 Matsushita Electric Ind Co Ltd Wipe key signal generating circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199790A (en) * 1978-06-26 1980-04-22 Central Dynamics Ltd. Matrix wipe generator for television signals
JPS63240273A (en) * 1987-03-27 1988-10-05 Matsushita Electric Ind Co Ltd Wipe key signal generating circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, & JP63240273 (Matsushita ElectricInd. Co. Ltd) 05.10.88. See abstract. *

Also Published As

Publication number Publication date
GB9908239D0 (en) 1999-06-02
GB2348764A (en) 2000-10-11
JP2000307950A (en) 2000-11-02

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Legal Events

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

Effective date: 20110409