MX168050B - Aparato expansor vertical y filtro - Google Patents

Aparato expansor vertical y filtro

Info

Publication number
MX168050B
MX168050B MX017414A MX1741489A MX168050B MX 168050 B MX168050 B MX 168050B MX 017414 A MX017414 A MX 017414A MX 1741489 A MX1741489 A MX 1741489A MX 168050 B MX168050 B MX 168050B
Authority
MX
Mexico
Prior art keywords
circuit
output
line
video line
circuits
Prior art date
Application number
MX017414A
Other languages
English (en)
Inventor
Kenneth Romany
Joseph Peter Bingham
Original Assignee
Philips Corp
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 Corp filed Critical Philips Corp
Publication of MX168050B publication Critical patent/MX168050B/es

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
    • 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
    • H04N11/24—High-definition television systems
    • H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling
    • 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)
  • Picture Signal Circuits (AREA)

Abstract

La presente invención se refiere a un aparato expansor vertical y filtro que comprende: un medio de entrada para recibir una señal de imágen de televisión de entrada; un medio de salida para producir un grupo de M de las líneas de video de entrada, las líneas de video de salida M+1, en donde M es un número, en donde el medio de salida comprende: un primer circuito divisor que tiene un primer coeficiente; un segundo y un tercer circuitos divisores que tienen segundo y tercero coeficientes respectivamente; cuarto y quinto circuitos divisores que tienen cuarto y quinto coeficientes respectivamente; un primer circuito de retardo de línea para proporcionar una primera línea de video retardada de la primera línea de video de entrada; un segundo circuito de retardo de línea para proporcionar una segunda línea de video retardada desde una segunda línea de video de entrada; primero, segundo y tercer circuitos de suma; un interruptor que comprende primero, segundo y tercero y cuarto terminales; y medios de circuito para interconectar los circuitos de retardo y los circuitos de suma mediante lo cual se aplica una tercera línea de video de entrada al primer circuito de retardo de línea y el primer circuito divisor; la primera línea de video retardada se aplica del primer circuito de retardo de línea al segundo circuito de retardo de línea, el segundo circuito divisor, el cuarto circuito divisor y el primer terminal del interruptor; la segunda línea de video retardada se aplica desde el segundo circuito de retardo al tercer circuito divisor y al quinto circuito divisor, una salida del primer circuito divisor y una salida del segundo circuito divisor se aplican al primer circuito de suma a fin de proporcionar una primera línea de video ponderada que se aplica al segundo terminal del interruptor; una salida del cuarto circuito divisor y una salida del quinto circuito divisor se aplican al segundo circuito de suma a fin de proporcionar una segunda línea de video ponderada que se aplica al tercer terminal del interruptor y una salida del primer circuito divisor y una salida del tercer circuito divisor se aplican al tercer circuito de suma a fin de proporcionar una tercera línea de video ponderada que se aplica al cuarto terminal del interruptor.
MX017414A 1988-09-02 1989-09-04 Aparato expansor vertical y filtro MX168050B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/239,740 US4984078A (en) 1988-09-02 1988-09-02 Single channel NTSC compatible EDTV system

Publications (1)

Publication Number Publication Date
MX168050B true MX168050B (es) 1993-04-30

Family

ID=22903518

Family Applications (1)

Application Number Title Priority Date Filing Date
MX017414A MX168050B (es) 1988-09-02 1989-09-04 Aparato expansor vertical y filtro

Country Status (8)

Country Link
US (1) US4984078A (es)
EP (1) EP0357144B1 (es)
JP (1) JPH02107081A (es)
KR (1) KR0146347B1 (es)
CA (1) CA1327394C (es)
DE (1) DE68920670T2 (es)
HK (1) HK66496A (es)
MX (1) MX168050B (es)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191417A (en) * 1988-09-02 1993-03-02 North American Philips Corporation Compatible EDTV system providing multi-aspect ratio display on EDTV and conventional television receivers
DE3840054C1 (es) * 1988-11-28 1989-09-07 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen, De
JPH02156785A (ja) * 1988-12-08 1990-06-15 Sony Corp 信号伝送装置
DE3929967A1 (de) * 1989-09-08 1991-03-14 Thomson Brandt Gmbh Fernsehuebertragungssystem
DE3930964A1 (de) * 1989-09-15 1991-03-28 Thomson Brandt Gmbh Fernsehuebertragungssystem
JP2712674B2 (ja) * 1989-12-18 1998-02-16 松下電器産業株式会社 ワイドテレビジョン信号の伝送方法
JPH03198593A (ja) * 1989-12-27 1991-08-29 Nippon Television Network Corp テレビジョン方式
JP2861213B2 (ja) * 1990-03-13 1999-02-24 ソニー株式会社 画像表示装置
JP3060475B2 (ja) * 1990-03-13 2000-07-10 ソニー株式会社 テレビジョン受像機
US5561467A (en) * 1990-03-26 1996-10-01 Nippon Hoso Kyokai Receiver and channel compatible encoding/decoding system for high definition video
JP3257788B2 (ja) * 1990-05-01 2002-02-18 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
US5442406A (en) * 1990-06-01 1995-08-15 Thomson Consumer Electronics, Inc. Wide screen television
ES2099127T3 (es) * 1990-06-06 1997-05-16 Philips Electronics Nv Sistema extendido de television con procedimiento de buzon.
US5068728A (en) * 1990-06-22 1991-11-26 Albert Macovski Compatible increased aspect ratio television system
EP0467683A3 (en) * 1990-07-19 1992-09-02 Canon Kabushiki Kaisha Image processing apparatus
JP2907988B2 (ja) * 1990-10-05 1999-06-21 株式会社日立製作所 ワイドテレビジョン受信機
JP2660094B2 (ja) * 1990-11-30 1997-10-08 株式会社東芝 テレビジョン信号処理装置及び方法
EP0496578A3 (en) * 1991-01-22 1993-09-22 Matsushita Electric Industrial Co., Ltd. Extended definition television system
JPH04276989A (ja) * 1991-03-04 1992-10-02 Sony Corp テレビジョン受像機
JPH04365278A (ja) * 1991-06-13 1992-12-17 Matsushita Electric Ind Co Ltd 多画面表示回路
KR0159109B1 (ko) * 1991-09-19 1999-01-15 강진구 화상신호의 종횡비 및 주사선 수 변환장치
KR950003031B1 (ko) * 1992-03-30 1995-03-29 주식회사 금성사 Tv수상기의 영상신호 보상장치
JPH0822057B2 (ja) * 1992-04-21 1996-03-04 松下電器産業株式会社 テレビジョン信号処理方法および処理装置
USRE38420E1 (en) * 1992-08-12 2004-02-10 British Broadcasting Corporation Derivation of studio camera position and motion from the camera image
KR940005118A (ko) * 1992-08-13 1994-03-16 에프. 제이. 스미트 레터박스 텔레비젼 시스템
US5430487A (en) * 1992-09-30 1995-07-04 Matsushita Electric Corporation Of America Method and apparatus for improving temporal video signal processing using motion vectors transmitted with the video signal
KR100320171B1 (ko) * 1994-08-17 2002-04-06 구자홍 동시디지탈방송용방송장치
JPH0946728A (ja) * 1995-08-02 1997-02-14 Sony Corp 走査線補間装置および垂直補強信号処理装置、並びにデコーダおよびテレビジョン受像機
US6873368B1 (en) * 1997-12-23 2005-03-29 Thomson Licensing Sa. Low noise encoding and decoding method
US20100007788A1 (en) * 2008-07-09 2010-01-14 Vizio, Inc. Method and apparatus for managing non-used areas of a digital video display when video of other aspect ratios are being displayed

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2649618C3 (de) * 1976-10-29 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zum Umsetzen von Fernsehsignalen von einer ersten in eine zweite Zeilennorm und Vorrichtung zur Durchführung des Verfahrens
US4551754A (en) * 1982-02-18 1985-11-05 Rca Corporation Compatible wide-screen color television system
US4521803A (en) * 1982-10-07 1985-06-04 General Electric Company System for compatible transmission of high-resolution TV
US4605952A (en) * 1983-04-14 1986-08-12 Rca Corporation Compatible HDTV system employing nonlinear edge compression/expansion for aspect ratio control
NL192488C (nl) * 1983-12-05 1997-08-04 Philips Electronics Nv Informatiegever en informatie-ontvanger met overdracht van extra informatie behorend bij de televisie-rasteraftastinrichting.
US4622577A (en) * 1984-02-03 1986-11-11 Rca Corporation Decoder for extracting a 4:3 aspect ratio signal from a high definition television signal
FR2567349B1 (fr) * 1984-07-03 1986-12-12 Labo Electronique Physique Systeme de television de type mac adapte a la diffusion d'images au format 5/3, dispositif d'interface entre ce systeme et les recepteurs au format 4/3, et recepteur de television equipe d'un tel dispositif
EP0179594A1 (en) * 1984-10-23 1986-04-30 EMI Limited Video signal processing
US4672443A (en) * 1985-08-30 1987-06-09 Rca Corporation Compatible wide screen television system with image compressor/expander
US4677483A (en) * 1985-09-27 1987-06-30 Rca Corporation Interpolation filter with motion compensation
US4694337A (en) * 1986-01-23 1987-09-15 Princeton Electronics Products, Inc. Video line rate converter
US4661850A (en) * 1986-01-31 1987-04-28 Rca Corporation Progressive scan television system with interlaced inter-field sum and difference components
JP2526558B2 (ja) * 1986-10-21 1996-08-21 ソニー株式会社 ビデオ信号のスキャンコンバ−タ装置
GB8701770D0 (en) * 1987-01-27 1987-03-04 Thorn Emi Home Electron Video processing

Also Published As

Publication number Publication date
KR0146347B1 (ko) 1998-09-15
JPH02107081A (ja) 1990-04-19
KR900005799A (ko) 1990-04-14
DE68920670T2 (de) 1995-08-24
DE68920670D1 (de) 1995-03-02
EP0357144A1 (en) 1990-03-07
US4984078A (en) 1991-01-08
HK66496A (en) 1996-04-26
EP0357144B1 (en) 1995-01-18
CA1327394C (en) 1994-03-01

Similar Documents

Publication Publication Date Title
MX168050B (es) Aparato expansor vertical y filtro
KR850002374A (ko) 이진신호 절단용 장치
KR840001034A (ko) 잡음 저감회로
KR840005956A (ko) 칼라채널의 신호대 잡음비 개선장치
KR910017809A (ko) 디지탈 신호 프로세서
KR890006087A (ko) 컬러텔레비젼 수상기에 있어서의 복합신호 분리회로
KR880013379A (ko) 텔레비젼 방송용 특수효과장치
CH611475A5 (en) Method of recording video information, circuit arrangement for implementing the method, and recording medium
KR850006821A (ko) 순차주사용 비데오신호 처리기
EP0125706A2 (en) Signal interface circuit for a television monitor
KR890007592A (ko) 영상신호 처리회로용 yc 분리기
KR920011254A (ko) 디지탈 비디오 신호 처리 장치
ATE16227T1 (de) Dynamische verwuerfelung durch phasenwechsel.
KR880002167A (ko) 비디오 신호 처리 시스템
KR940008441A (ko) 결합 클램프와 동기 분리기를 갖는 다중입력 텔레비젼 수상기
KR890002851A (ko) 비데오 신호 처리 회로
KR840002796A (ko) 디지탈 신호 분리 회로망
SU944152A1 (ru) Селектор телевизионного сигнала подвижных объектов
Baier On parasitic correlation peaks in cross-correlation circuits for binary pseudorandom sequences
KR860008688A (ko) 디지탈 상관 표시기
SU518845A1 (ru) Устройство синхронизации
FR2361784A1 (fr) Dispositif pour multiplexer et/ou aiguiller plusieurs messages sur une seule ligne et/ou un message sur plusieurs lignes
GB1437429A (en) Generation of hadamard transforms of electrical signals
KR920011268A (ko) 화상압축처리장치
RU1797167C (ru) Устройство кодировани телевизионных сигналов