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GB2348767B - Signal generator - Google Patents

Signal generator

Info

Publication number
GB2348767B
GB2348767B GB9908242A GB9908242A GB2348767B GB 2348767 B GB2348767 B GB 2348767B GB 9908242 A GB9908242 A GB 9908242A GB 9908242 A GB9908242 A GB 9908242A GB 2348767 B GB2348767 B GB 2348767B
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
GB9908242A
Other versions
GB2348767A (en
GB9908242D0 (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 GB9908242A priority Critical patent/GB2348767B/en
Publication of GB9908242D0 publication Critical patent/GB9908242D0/en
Priority to JP2000100959A priority patent/JP2000307951A/en
Publication of GB2348767A publication Critical patent/GB2348767A/en
Application granted granted Critical
Publication of GB2348767B publication Critical patent/GB2348767B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Picture Signal Circuits (AREA)
GB9908242A 1999-04-09 1999-04-09 Signal generator Expired - Fee Related GB2348767B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9908242A GB2348767B (en) 1999-04-09 1999-04-09 Signal generator
JP2000100959A JP2000307951A (en) 1999-04-09 2000-04-03 Signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9908242A GB2348767B (en) 1999-04-09 1999-04-09 Signal generator

Publications (3)

Publication Number Publication Date
GB9908242D0 GB9908242D0 (en) 1999-06-02
GB2348767A GB2348767A (en) 2000-10-11
GB2348767B true GB2348767B (en) 2003-06-18

Family

ID=10851315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9908242A Expired - Fee Related GB2348767B (en) 1999-04-09 1999-04-09 Signal generator

Country Status (2)

Country Link
JP (1) JP2000307951A (en)
GB (1) GB2348767B (en)

Citations (3)

* 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 generation circuit
EP0329339A2 (en) * 1988-02-19 1989-08-23 The Grass Valley Group, Inc. Digital wipe generator

Patent Citations (3)

* 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 generation circuit
EP0329339A2 (en) * 1988-02-19 1989-08-23 The Grass Valley Group, Inc. Digital wipe generator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
http://www.tek.com/VND/prods/2200/2200_feats.html, Tektronix"Model 2200 Digital Production Switcher" *
Patent Abstracts of Japan, & JP63240273 (Matsushita ElectricInd. Co. Ltd) 05.10.88. See abstract. *

Also Published As

Publication number Publication date
GB2348767A (en) 2000-10-11
JP2000307951A (en) 2000-11-02
GB9908242D0 (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