GB2254977B - Receiver for letterbox television signals - Google Patents

Receiver for letterbox television signals

Info

Publication number
GB2254977B
GB2254977B GB9208801A GB9208801A GB2254977B GB 2254977 B GB2254977 B GB 2254977B GB 9208801 A GB9208801 A GB 9208801A GB 9208801 A GB9208801 A GB 9208801A GB 2254977 B GB2254977 B GB 2254977B
Authority
GB
United Kingdom
Prior art keywords
receiver
television signals
letterbox television
letterbox
signals
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
GB9208801A
Other versions
GB2254977A (en
GB9208801D0 (en
Inventor
Teunis Poot
Franciscus Wilhelmus Vreeswijk
Marcellinus Joseph Jo Annegarn
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB9208801A priority Critical patent/GB2254977B/en
Publication of GB9208801D0 publication Critical patent/GB9208801D0/en
Publication of GB2254977A publication Critical patent/GB2254977A/en
Priority to FR9304139A priority patent/FR2690591B1/en
Priority to KR1019930006110A priority patent/KR930022881A/en
Priority to DE4312739A priority patent/DE4312739A1/en
Priority to IT93MI000777A priority patent/IT1264155B1/en
Application granted granted Critical
Publication of GB2254977B publication Critical patent/GB2254977B/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
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H04N11/167—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/007—Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g. during top and bottom lines in a HDTV letter-box system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB9208801A 1992-04-23 1992-04-23 Receiver for letterbox television signals Expired - Fee Related GB2254977B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9208801A GB2254977B (en) 1992-04-23 1992-04-23 Receiver for letterbox television signals
FR9304139A FR2690591B1 (en) 1992-04-23 1993-04-07 Receiver for letterbox television signals.
KR1019930006110A KR930022881A (en) 1992-04-23 1993-04-13 Receiver for letterbox television signal
DE4312739A DE4312739A1 (en) 1992-04-23 1993-04-20 Letterbox television signal receiver
IT93MI000777A IT1264155B1 (en) 1992-04-23 1993-04-20 RECEIVER FOR LETTERBOX TELEVISION SIGNALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9208801A GB2254977B (en) 1992-04-23 1992-04-23 Receiver for letterbox television signals

Publications (3)

Publication Number Publication Date
GB9208801D0 GB9208801D0 (en) 1992-06-10
GB2254977A GB2254977A (en) 1992-10-21
GB2254977B true GB2254977B (en) 1996-01-17

Family

ID=10714443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9208801A Expired - Fee Related GB2254977B (en) 1992-04-23 1992-04-23 Receiver for letterbox television signals

Country Status (5)

Country Link
KR (1) KR930022881A (en)
DE (1) DE4312739A1 (en)
FR (1) FR2690591B1 (en)
GB (1) GB2254977B (en)
IT (1) IT1264155B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06276491A (en) * 1993-03-18 1994-09-30 Victor Co Of Japan Ltd Video signal processing circuit
EP0647065B1 (en) * 1993-10-02 1998-12-02 Motorola, Inc. Generating vertical deflection signals for television
KR0145472B1 (en) * 1995-07-18 1998-07-15 김광호 Picture transmission of wide screen display system
MXPA06013915A (en) * 2004-06-01 2007-03-07 Koninkl Philips Electronics Nv Harmonic elimination of black non-activated areas in video display devices.
JP4921476B2 (en) 2005-09-28 2012-04-25 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Media content management

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160051A (en) * 1984-04-26 1985-12-11 Philips Electronic Associated Video signal processing arrangement
US5070395A (en) * 1989-03-31 1991-12-03 Victor Company Of Japan, Ltd. Television signal system conversion apparatus
JP2861213B2 (en) * 1990-03-13 1999-02-24 ソニー株式会社 Image display device
GB9012326D0 (en) * 1990-06-01 1990-07-18 Thomson Consumer Electronics Wide screen television

Also Published As

Publication number Publication date
FR2690591B1 (en) 1995-03-03
ITMI930777A0 (en) 1993-04-20
KR930022881A (en) 1993-11-24
FR2690591A1 (en) 1993-10-29
IT1264155B1 (en) 1996-09-16
ITMI930777A1 (en) 1994-10-20
GB2254977A (en) 1992-10-21
GB9208801D0 (en) 1992-06-10
DE4312739A1 (en) 1993-10-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980423