IT1264155B1 - Ricevitore per segnali di televisione letterbox - Google Patents

Ricevitore per segnali di televisione letterbox

Info

Publication number
IT1264155B1
IT1264155B1 IT93MI000777A ITMI930777A IT1264155B1 IT 1264155 B1 IT1264155 B1 IT 1264155B1 IT 93MI000777 A IT93MI000777 A IT 93MI000777A IT MI930777 A ITMI930777 A IT MI930777A IT 1264155 B1 IT1264155 B1 IT 1264155B1
Authority
IT
Italy
Prior art keywords
receiver
television signals
letterbox television
letterbox
signals
Prior art date
Application number
IT93MI000777A
Other languages
English (en)
Italian (it)
Inventor
Teunis Poot
Franciscus Wilhelmus Vreeswijk
Marcellinus Joseph Jo Annegarn
Original Assignee
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 Electronics Nv filed Critical Philips Electronics Nv
Publication of ITMI930777A0 publication Critical patent/ITMI930777A0/it
Publication of ITMI930777A1 publication Critical patent/ITMI930777A1/it
Application granted granted Critical
Publication of IT1264155B1 publication Critical patent/IT1264155B1/it

Links

Classifications

    • 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
    • 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
    • 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)
IT93MI000777A 1992-04-23 1993-04-20 Ricevitore per segnali di televisione letterbox IT1264155B1 (it)

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
ITMI930777A0 ITMI930777A0 (it) 1993-04-20
ITMI930777A1 ITMI930777A1 (it) 1994-10-20
IT1264155B1 true IT1264155B1 (it) 1996-09-16

Family

ID=10714443

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI000777A IT1264155B1 (it) 1992-04-23 1993-04-20 Ricevitore per segnali di televisione letterbox

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06276491A (ja) * 1993-03-18 1994-09-30 Victor Co Of Japan Ltd 映像信号処理回路
EP0647065B1 (en) * 1993-10-02 1998-12-02 Motorola, Inc. Generating vertical deflection signals for television
KR0145472B1 (ko) * 1995-07-18 1998-07-15 김광호 와이드 스크린 디스플레이시스템의 이미지 처리장치
MXPA06013915A (es) * 2004-06-01 2007-03-07 Koninkl Philips Electronics Nv Eliminacion armonica de areas negras no activadas en dispositivos de visualizacion de video.
US8121421B2 (en) 2005-09-28 2012-02-21 Telefonaktiebolaget L M Ericsson (Publ) 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 (ja) * 1990-03-13 1999-02-24 ソニー株式会社 画像表示装置
GB9012326D0 (en) * 1990-06-01 1990-07-18 Thomson Consumer Electronics Wide screen television

Also Published As

Publication number Publication date
FR2690591A1 (fr) 1993-10-29
ITMI930777A0 (it) 1993-04-20
DE4312739A1 (de) 1993-10-28
GB2254977A (en) 1992-10-21
GB9208801D0 (en) 1992-06-10
ITMI930777A1 (it) 1994-10-20
FR2690591B1 (fr) 1995-03-03
GB2254977B (en) 1996-01-17
KR930022881A (ko) 1993-11-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530