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GB2281835B - Method and apparatus for synchronising video signals - Google Patents

Method and apparatus for synchronising video signals

Info

Publication number
GB2281835B
GB2281835B GB9318646A GB9318646A GB2281835B GB 2281835 B GB2281835 B GB 2281835B GB 9318646 A GB9318646 A GB 9318646A GB 9318646 A GB9318646 A GB 9318646A GB 2281835 B GB2281835 B GB 2281835B
Authority
GB
United Kingdom
Prior art keywords
video signals
synchronising
synchronising video
signals
video
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
GB9318646A
Other versions
GB9318646D0 (en
GB2281835A (en
Inventor
John Hudson
John William Richards
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 GB9318646A priority Critical patent/GB2281835B/en
Publication of GB9318646D0 publication Critical patent/GB9318646D0/en
Priority to JP20224894A priority patent/JP3946780B2/en
Publication of GB2281835A publication Critical patent/GB2281835A/en
Application granted granted Critical
Publication of GB2281835B publication Critical patent/GB2281835B/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
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/014—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes involving the use of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • H04N5/067—Arrangements or circuits at the transmitter end
    • H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
    • H04N5/0736—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations using digital storage buffer techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0105—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level using a storage device with different write and read speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Synchronizing For Television (AREA)
  • Television Systems (AREA)
GB9318646A 1993-09-08 1993-09-08 Method and apparatus for synchronising video signals Expired - Fee Related GB2281835B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9318646A GB2281835B (en) 1993-09-08 1993-09-08 Method and apparatus for synchronising video signals
JP20224894A JP3946780B2 (en) 1993-09-08 1994-08-26 Video signal synchronizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9318646A GB2281835B (en) 1993-09-08 1993-09-08 Method and apparatus for synchronising video signals

Publications (3)

Publication Number Publication Date
GB9318646D0 GB9318646D0 (en) 1993-10-27
GB2281835A GB2281835A (en) 1995-03-15
GB2281835B true GB2281835B (en) 1998-04-22

Family

ID=10741721

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9318646A Expired - Fee Related GB2281835B (en) 1993-09-08 1993-09-08 Method and apparatus for synchronising video signals

Country Status (2)

Country Link
JP (1) JP3946780B2 (en)
GB (1) GB2281835B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177922B1 (en) * 1997-04-15 2001-01-23 Genesis Microship, Inc. Multi-scan video timing generator for format conversion
US6195393B1 (en) * 1998-07-06 2001-02-27 General Instrument Corporation HDTV video frame synchronizer that provides clean digital video without variable delay
JP2001309202A (en) * 2000-04-19 2001-11-02 Matsushita Electric Ind Co Ltd Frame synchronizer
JP3569205B2 (en) 2000-06-09 2004-09-22 シャープ株式会社 Recording / playback device
EP1843587A1 (en) 2006-04-05 2007-10-10 STMicroelectronics S.r.l. Method for the frame-rate conversion of a digital video signal and related apparatus
WO2007129257A1 (en) * 2006-05-04 2007-11-15 Koninklijke Philips Electronics N.V. Controlled frame rate conversion
US20080036911A1 (en) * 2006-05-05 2008-02-14 Robert Noory Method and apparatus for synchronizing a graphics signal according to a reference signal
GB2525137A (en) * 2013-08-30 2015-10-21 Amberfin Ltd Conversion of video frame rate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2018064A (en) * 1978-03-08 1979-10-10 Nippon Electric Co Phase locking system for television signals
US4439786A (en) * 1978-09-29 1984-03-27 The Marconi Company Limited Apparatus and method for processing television picture signals and other information
GB2231226A (en) * 1989-04-27 1990-11-07 Sony Corp Motion dependent video signal processing
GB2231743A (en) * 1989-04-27 1990-11-21 Sony Corp Motion dependent video signal processing
GB2255254A (en) * 1991-03-28 1992-10-28 Matsushita Electric Industrial Co Ltd Television standard conversion apparatus
GB2259212A (en) * 1991-08-27 1993-03-03 Sony Broadcast & Communication Standards conversion of digital video signals
GB2265275A (en) * 1992-03-18 1993-09-22 Sony Broadcast & Communication Digital video signal processing for standards conversion

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2018064A (en) * 1978-03-08 1979-10-10 Nippon Electric Co Phase locking system for television signals
US4439786A (en) * 1978-09-29 1984-03-27 The Marconi Company Limited Apparatus and method for processing television picture signals and other information
GB2231226A (en) * 1989-04-27 1990-11-07 Sony Corp Motion dependent video signal processing
GB2231743A (en) * 1989-04-27 1990-11-21 Sony Corp Motion dependent video signal processing
GB2255254A (en) * 1991-03-28 1992-10-28 Matsushita Electric Industrial Co Ltd Television standard conversion apparatus
GB2259212A (en) * 1991-08-27 1993-03-03 Sony Broadcast & Communication Standards conversion of digital video signals
GB2265275A (en) * 1992-03-18 1993-09-22 Sony Broadcast & Communication Digital video signal processing for standards conversion

Also Published As

Publication number Publication date
JPH07107331A (en) 1995-04-21
JP3946780B2 (en) 2007-07-18
GB9318646D0 (en) 1993-10-27
GB2281835A (en) 1995-03-15

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Legal Events

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

Effective date: 20110908