WO1991002431A3 - Transmission d'informations auxiliaires dans un signal de television - Google Patents

Transmission d'informations auxiliaires dans un signal de television

Info

Publication number
WO1991002431A3
WO1991002431A3 PCT/US1990/004078 US9004078W WO9102431A3 WO 1991002431 A3 WO1991002431 A3 WO 1991002431A3 US 9004078 W US9004078 W US 9004078W WO 9102431 A3 WO9102431 A3 WO 9102431A3
Authority
WO
WIPO (PCT)
Prior art keywords
television signal
vestigial sideband
signal
frequency
auxiliary information
Prior art date
Application number
PCT/US1990/004078
Other languages
English (en)
Other versions
WO1991002431A2 (fr
Inventor
Krishnamurthy Jonnalagadda
James John Gibson
Theodor Matthias Wagner
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Priority to EP90912271A priority Critical patent/EP0485478B1/fr
Priority to KR1019920700319A priority patent/KR100188832B1/ko
Priority to DE69018830T priority patent/DE69018830T2/de
Publication of WO1991002431A2 publication Critical patent/WO1991002431A2/fr
Publication of WO1991002431A3 publication Critical patent/WO1991002431A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Amplitude Modulation (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Appareil pour enrichir un signal de télévision d'un signal auxiliaire. Il se compose d'un ensemble de circuits destinés à moduler une porteuse d'images avec un signal vidéo en bande de base afin de produire un signal de télévision en bande latérale résiduelle. Le signal auxiliaire (54) est ensuite modulé sur une nouvelle porteuse (CA) ayant une fréquence telle que les bandes latérales supérieures fp-(2n+1)fH/2 de la nouvelle porteuse ainsi modulée, représentant l'information auxiliaire, 1) occupent le spectre de fréquences de la bande latérale résiduelle du signal de télévision de cette même bande (50), et 2) apparaissent groupées aux multiples impairs de la fréquence de demi-ligne. Les bandes latérales de la nouvelle porteuse modulée sont ajoutées (52) au signal de télévision de la bande latérale résiduelle en fréquences imbriquées dans le domaine spectral de la bande latérale résiduelle.
PCT/US1990/004078 1989-08-11 1990-07-19 Transmission d'informations auxiliaires dans un signal de television WO1991002431A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP90912271A EP0485478B1 (fr) 1989-08-11 1990-07-19 Transmission d'informations auxiliaires dans un signal de television
KR1019920700319A KR100188832B1 (ko) 1989-08-11 1990-07-19 텔레비젼 신호에 보조정보를 전송하는 장치
DE69018830T DE69018830T2 (de) 1989-08-11 1990-07-19 Übertragung von zusätzlichen informationen in einem fernsehsignal.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US392,820 1989-08-11
US07/392,820 US4958230A (en) 1989-08-11 1989-08-11 Method of transmitting auxiliary information in a television signal

Publications (2)

Publication Number Publication Date
WO1991002431A2 WO1991002431A2 (fr) 1991-02-21
WO1991002431A3 true WO1991002431A3 (fr) 1991-04-18

Family

ID=23552119

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1990/004078 WO1991002431A2 (fr) 1989-08-11 1990-07-19 Transmission d'informations auxiliaires dans un signal de television

Country Status (12)

Country Link
US (1) US4958230A (fr)
EP (1) EP0485478B1 (fr)
JP (1) JP2562234B2 (fr)
KR (1) KR100188832B1 (fr)
CN (1) CN1049586A (fr)
AU (1) AU6165290A (fr)
CA (1) CA2064847A1 (fr)
DD (1) DD295480A5 (fr)
DE (1) DE69018830T2 (fr)
ES (1) ES2071109T3 (fr)
PT (1) PT94951A (fr)
WO (1) WO1991002431A2 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125100A (en) * 1990-07-02 1992-06-23 Katznelson Ron D Optimal signal synthesis for distortion cancelling multicarrier systems
DE4028424A1 (de) * 1990-09-07 1992-03-12 Philips Patentverwaltung Schaltungsanordnung zur a/d-umsetzung der farbinformationen zweier bildsignale
US5087975A (en) * 1990-11-09 1992-02-11 Zenith Electronics Corporation VSB HDTV transmission system with reduced NTSC co-channel interference
KR930009880B1 (ko) * 1990-11-19 1993-10-12 삼성전자 주식회사 동신호 검출회로
US5151785A (en) * 1991-06-04 1992-09-29 Zenith Electronics Corporation HDTV transmission system with reduced susceptibility to NTSC cochannel interference
US5831679A (en) * 1991-06-14 1998-11-03 Wavephore, Inc. Network for retrieval and video transmission of information
US5387941A (en) * 1991-06-14 1995-02-07 Wavephore, Inc. Data with video transmitter
US5410360A (en) * 1991-06-14 1995-04-25 Wavephore, Inc. Timing control for injecting a burst and data into a video signal
US5617148A (en) * 1991-06-14 1997-04-01 Wavephore, Inc. Filter by-pass for transmitting an additional signal with a video signal
US5559559A (en) * 1991-06-14 1996-09-24 Wavephore, Inc. Transmitting a secondary signal with dynamic injection level control
US5327237A (en) * 1991-06-14 1994-07-05 Wavephore, Inc. Transmitting data with video
DE4221683A1 (de) * 1992-07-02 1994-01-13 Philips Patentverwaltung Verfahren zur Datenübertragung
US5548617A (en) * 1994-05-19 1996-08-20 Samsung Elctronics, Co., Ltd. Digital VSB detector with bandpass phase tracker using rader filters, as for use in an HDTV receiver
US5574496A (en) * 1995-06-07 1996-11-12 Zenith Electronics Corporation Techniques for minimizing co-channel interference in a received ATV signal
KR100212134B1 (ko) * 1996-05-03 1999-08-02 윤종용 시청자 선택형 자막표시의 소프트 스크롤 방법
US5903231A (en) * 1996-12-16 1999-05-11 Vidicast Ltd. System for encoding base N data using a multi-level coding scheme
US6122010A (en) * 1996-12-16 2000-09-19 Vidicast Ltd. Television signal data transmission system
GB9703143D0 (en) * 1997-02-14 1997-04-02 Vistek Electronics An improved method of luminance and chrominance separation for video signals
US5946048A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network device for handling digital data over a TV channel
US5946047A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network system for handling digital data over a TV channel
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
US5909253A (en) * 1997-12-09 1999-06-01 Sarnoff Corporation Reducing video crosstalk in a data carrier located within a vestigial sideband of a standard television signal
KR100470737B1 (ko) 1998-02-06 2005-03-07 제니스 일렉트로닉스 코포레이션 디지털 텔레비전 수신기를 위한 ｖｓｂ 인코더와 ｒｆ 변조기
US6433835B1 (en) 1998-04-17 2002-08-13 Encamera Sciences Corporation Expanded information capacity for existing communication transmission systems
US6526580B2 (en) 1999-04-16 2003-02-25 Digeo, Inc. Broadband data broadcasting service
US6473858B1 (en) 1999-04-16 2002-10-29 Digeo, Inc. Method and apparatus for broadcasting data with access control
CA2395810A1 (fr) * 1999-12-22 2001-06-28 Encamera Sciences Corporation Amelioration d'un recepteur augmentant la capacite d'information de systemes existants de transmission de communications
US7051111B1 (en) 2000-04-25 2006-05-23 Digeo, Inc. Multiple source proxy management system
KR20030002914A (ko) * 2001-07-02 2003-01-09 웹링호스트(주) 변조된 통신신호에 정보를 추가하는 방법과 이를 이용한통신장치
US7180942B2 (en) 2001-12-18 2007-02-20 Dotcast, Inc. Joint adaptive optimization of soft decision device and feedback equalizer
WO2004075469A2 (fr) 2003-02-19 2004-09-02 Dotcast Inc. Commande adaptative commune de l'egalisation, de la synchronisation et du gain dans un recepteur de communication numerique
US7375741B2 (en) * 2005-03-24 2008-05-20 Himax Technologies Limited Circuit and method for eliminating image interfering with desired channel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164804B (nl) * 1950-07-28 Hoechst Ag Voor de vervaardiging van vlakdrukplaten geschikte drager alsmede vlakdrukplaat bestaande uit een dergelijke drager waarop een lichtgevoelige laag is aangebracht.
US3530232A (en) * 1966-06-17 1970-09-22 Intern Telemeter Corp Subscription television system
US3700793A (en) * 1970-06-09 1972-10-24 Bell Telephone Labor Inc Frequency interleaved video multiplex system
JPS59171387A (ja) * 1983-03-18 1984-09-27 Hitachi Ltd テレビジヨン信号の構成方法
DE3435264A1 (de) * 1984-09-26 1986-04-03 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur kompatiblen aufloesungserhoehung fuer farbfernsehuebertragungssysteme mit reduzierung der uebersprechstoerungen bei bewegungsadaptiver bildverarbeitung
JPS6336692A (ja) * 1986-07-31 1988-02-17 Matsushita Electric Ind Co Ltd テレビジヨン信号合成装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Better Video Images, 23rd Annual SMPTE Television Conference, San Francisco, 3-4 February 1989, SMPTE, (White Plains, New York, US), Yozo Ono: "HDTV and today s broad-casting world", pages 312-360 *
Neues aus der Technik, , no. 1, 16 August 1982, (Würzburg, DE), "Komatibles Fernsehübertragungs verfahren mit erhöhter Auflösung" see page 4 *

Also Published As

Publication number Publication date
CA2064847A1 (fr) 1991-02-12
PT94951A (pt) 1991-04-18
DD295480A5 (de) 1991-10-31
JP2562234B2 (ja) 1996-12-11
DE69018830T2 (de) 1995-12-07
EP0485478A1 (fr) 1992-05-20
KR920704525A (ko) 1992-12-19
CN1049586A (zh) 1991-02-27
AU6165290A (en) 1991-03-11
ES2071109T3 (es) 1995-06-16
DE69018830D1 (de) 1995-05-24
EP0485478B1 (fr) 1995-04-19
KR100188832B1 (ko) 1999-06-01
US4958230A (en) 1990-09-18
WO1991002431A2 (fr) 1991-02-21
JPH04507335A (ja) 1992-12-17

Similar Documents

Publication Publication Date Title
WO1991002431A3 (fr) Transmission d'informations auxiliaires dans un signal de television
KR890702386A (ko) 텔레비젼형 신호처리 및 수신시스템
MY109495A (en) Modulator/demodulator for compatible high definition television system
JPS62500487A (ja) 多重化されたアナログコンポ−ネント・カラ−テレビジヨンの符号化・復号化に用いる周波数の発生
US4879606A (en) EDTV recording apparatus
US4218697A (en) Digital data transmission arrangement using a standard TV video
JPS57124988A (en) Method and device for converting digital information format
DE3372690D1 (en) Reduced data rate signal separation system
ES2010626A6 (es) Sistema de television de pantalla ancha y definicion ampliada, en el que se usan varios canales de transmision de senales.
US4533960A (en) System for encoding and decoding video signals
MY105257A (en) Television receiver with auxiliary input connector for video signals of a separated y-c format
ES2010386A6 (es) Sistema avanzado de television compatible, con portadora auxiliar.
ES2009037A6 (es) Senal de television codificada con informacion auxiliar vertical temporal.
ES392713A1 (es) Un aparato para la visualizacion de una senal de televion en color.
MY103123A (en) Video signal processor with alternate subcarrier
EP0371097A4 (en) Frequency generation for extended bandwidth television
HK112396A (en) Method for transmitting a video signal
JPS57201396A (en) Secam color video signal recording system and reproducing system
JPS5765070A (en) Television receiver
MY115195A (en) Television receiver
KR920704527A (ko) 와이드 스크린 텔레비젼 시스템용 신호 처리 장치
EP0176360A3 (fr) Télévision à bande étroite et à haute définition
KR920704528A (ko) 대형 스크린 텔레비젼 시스템용 신호처리장치
GB1358766A (en) Colour television signal recording and reproducing system
TH13900B (th) โมดูเลเตอร์/อีโมดูเลเตอร์สำหรับให้เข้ากันได้กับระบบ hdtv

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AU CA FI JP KR SU

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FR GB IT LU NL SE

AK Designated states

Kind code of ref document: A3

Designated state(s): AU CA FI JP KR SU

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FR GB IT LU NL SE

WWE Wipo information: entry into national phase

Ref document number: 1990912271

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2064847

Country of ref document: CA

WWP Wipo information: published in national office

Ref document number: 1990912271

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1990912271

Country of ref document: EP