DE3783354D1 - Verfahren fuer digitalen rundfunk in fernsehkanaelen. - Google Patents

Verfahren fuer digitalen rundfunk in fernsehkanaelen.

Info

Publication number
DE3783354D1
DE3783354D1 DE8787402933T DE3783354T DE3783354D1 DE 3783354 D1 DE3783354 D1 DE 3783354D1 DE 8787402933 T DE8787402933 T DE 8787402933T DE 3783354 T DE3783354 T DE 3783354T DE 3783354 D1 DE3783354 D1 DE 3783354D1
Authority
DE
Germany
Prior art keywords
digital broadcasting
television channels
television
channels
broadcasting
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
DE8787402933T
Other languages
English (en)
Other versions
DE3783354T2 (de
Inventor
Daniel Pommier
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.)
Telediffusion de France ets Public de Diffusion
Orange SA
Original Assignee
Telediffusion de France ets Public de Diffusion
France Telecom SA
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 Telediffusion de France ets Public de Diffusion, France Telecom SA filed Critical Telediffusion de France ets Public de Diffusion
Publication of DE3783354D1 publication Critical patent/DE3783354D1/de
Application granted granted Critical
Publication of DE3783354T2 publication Critical patent/DE3783354T2/de
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
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/0803—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division using frequency interleaving, e.g. with precision offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/71—Wireless systems
    • H04H20/72—Wireless systems of terrestrial networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
DE8787402933T 1986-12-24 1987-12-21 Verfahren fuer digitalen rundfunk in fernsehkanaelen. Expired - Fee Related DE3783354T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8618163A FR2609228B1 (fr) 1986-12-24 1986-12-24 Procede de diffusion numerique dans des canaux de television

Publications (2)

Publication Number Publication Date
DE3783354D1 true DE3783354D1 (de) 1993-02-11
DE3783354T2 DE3783354T2 (de) 1993-04-29

Family

ID=9342288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787402933T Expired - Fee Related DE3783354T2 (de) 1986-12-24 1987-12-21 Verfahren fuer digitalen rundfunk in fernsehkanaelen.

Country Status (5)

Country Link
US (1) US4884139A (de)
EP (1) EP0278192B1 (de)
JP (1) JPS63253738A (de)
DE (1) DE3783354T2 (de)
FR (1) FR2609228B1 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191576A (en) * 1988-11-18 1993-03-02 L'Etat Francais and Telediffusion de France S.A. Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
FR2650455B1 (fr) * 1989-07-28 1994-05-13 France Telediffusion Installation de transmission dans un canal de television, a anti-brouillage
CA2078445A1 (en) * 1990-03-30 1991-10-17 Arthur Gordon Mason Method and apparatus for transmitting and receiving ofdm carriers
GB9020170D0 (en) * 1990-09-14 1990-10-24 Indep Broadcasting Authority Orthogonal frequency division multiplexing
US5291289A (en) * 1990-11-16 1994-03-01 North American Philips Corporation Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation
USRE40241E1 (en) 1991-03-27 2008-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
US5387941A (en) * 1991-06-14 1995-02-07 Wavephore, Inc. Data with video transmitter
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
US5617148A (en) * 1991-06-14 1997-04-01 Wavephore, Inc. Filter by-pass for transmitting an additional signal with a video signal
US5410360A (en) * 1991-06-14 1995-04-25 Wavephore, Inc. Timing control for injecting a burst and data into a video signal
US5831679A (en) * 1991-06-14 1998-11-03 Wavephore, Inc. Network for retrieval and video transmission of information
US5243629A (en) * 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission
SE469226B (sv) * 1991-10-17 1993-06-07 Lars Erik Trygg Anordning foer anbringande av etiketter paa foeremaal
GB9123376D0 (en) * 1991-11-04 1991-12-18 British Broadcasting Corp Coding method for broadcast transmissions
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
US5802241A (en) 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
US5721788A (en) 1992-07-31 1998-02-24 Corbis Corporation Method and system for digital image signatures
US5371548A (en) * 1993-07-09 1994-12-06 Cable Television Laboratories, Inc. System for transmission of digital data using orthogonal frequency division multiplexing
US5675572A (en) * 1993-07-28 1997-10-07 Sony Corporation Orthogonal frequency division multiplex modulation apparatus and orthogonal frequency division multiplex demodulation apparatus
EP0959621B1 (de) * 1993-11-18 2001-02-28 Digimarc Corporation Video-Kopiersteuerung mit verschiedenen eingebettenen Signalen
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US5841978A (en) 1993-11-18 1998-11-24 Digimarc Corporation Network linking method using steganographically embedded data objects
US5832119C1 (en) * 1993-11-18 2002-03-05 Digimarc Corp Methods for controlling systems using control signals embedded in empirical data
USRE40919E1 (en) * 1993-11-18 2009-09-22 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US7044395B1 (en) 1993-11-18 2006-05-16 Digimarc Corporation Embedding and reading imperceptible codes on objects
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US5748763A (en) 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
US5841886A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Security system for photographic identification
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US7171016B1 (en) 1993-11-18 2007-01-30 Digimarc Corporation Method for monitoring internet dissemination of image, video and/or audio files
US6983051B1 (en) 1993-11-18 2006-01-03 Digimarc Corporation Methods for audio watermarking and decoding
US6611607B1 (en) 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
US6408082B1 (en) 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US6449377B1 (en) 1995-05-08 2002-09-10 Digimarc Corporation Methods and systems for watermark processing of line art images
US6968057B2 (en) 1994-03-17 2005-11-22 Digimarc Corporation Emulsion products and imagery employing steganography
US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US5539471A (en) * 1994-05-03 1996-07-23 Microsoft Corporation System and method for inserting and recovering an add-on data signal for transmission with a video signal
FR2721461B1 (fr) * 1994-06-16 1996-09-06 France Telecom Signal formé d'une pluralité de fréquences porteuses orthogonales organisé de façon à simplifier la réception d'un des signaux source le composant, procédé d'émission et récepteur correspondants.
US6560349B1 (en) 1994-10-21 2003-05-06 Digimarc Corporation Audio monitoring using steganographic information
US20010055320A1 (en) * 1994-12-15 2001-12-27 Pierzga Wayne Francis Multiplex communication
US7486799B2 (en) 1995-05-08 2009-02-03 Digimarc Corporation Methods for monitoring audio and images on the internet
US6721440B2 (en) 1995-05-08 2004-04-13 Digimarc Corporation Low visibility watermarks using an out-of-phase color
US6728390B2 (en) 1995-05-08 2004-04-27 Digimarc Corporation Methods and systems using multiple watermarks
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
FR2734109B1 (fr) * 1995-05-10 1997-07-18 France Telecom Signal numerique multiporteuse limitant les brouillages cocanaux avec un signal de television analogique, et reception d'un tel signal
DE19601161A1 (de) * 1995-05-27 1996-11-28 Deutsche Telekom Ag Verfahren zur Übertragung von Zusatzinformationen in TV-Kanälen
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
US7006661B2 (en) 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US6411725B1 (en) 1995-07-27 2002-06-25 Digimarc Corporation Watermark enabled video objects
US6788800B1 (en) 2000-07-25 2004-09-07 Digimarc Corporation Authenticating objects using embedded data
GB2304504A (en) * 1995-08-19 1997-03-19 Northern Telecom Ltd OFDM receiver includes digital filter
JP2803614B2 (ja) * 1995-12-22 1998-09-24 日本電気株式会社 移動中継装置
US6381341B1 (en) 1996-05-16 2002-04-30 Digimarc Corporation Watermark encoding method exploiting biases inherent in original signal
DE69731358T2 (de) * 1996-06-28 2005-11-03 Philips Intellectual Property & Standards Gmbh Verfahren zur vereinfachung der demodulation in einem mehrfachträger-übertragungssystem
US6804376B2 (en) 1998-01-20 2004-10-12 Digimarc Corporation Equipment employing watermark-based authentication function
JP2914446B1 (ja) 1998-02-09 1999-06-28 日本電気株式会社 チャネル配置方法と送信及び受信装置と通信システム
US6505037B1 (en) * 1999-06-29 2003-01-07 Sharp Laboratories Of America, Inc. Data unit detection including antenna diversity
US6625297B1 (en) 2000-02-10 2003-09-23 Digimarc Corporation Self-orienting watermarks
CA2344014A1 (en) 2000-04-12 2001-10-12 Yiyan Wu Method and system for broadcasting a digital data signal within an analog tv signal using orthogonal frequency division multiplexing
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
US7027614B2 (en) 2000-04-19 2006-04-11 Digimarc Corporation Hiding information to reduce or offset perceptible artifacts
JP2002026841A (ja) * 2000-07-05 2002-01-25 Fuji Television Network Inc 地下放送システム
ATE509326T1 (de) 2001-12-18 2011-05-15 L 1 Secure Credentialing Inc Mehrfachbildsicherheitsmerkmale zur identifikation von dokumenten und verfahren zu ihrer herstellung
US7793846B2 (en) 2001-12-24 2010-09-14 L-1 Secure Credentialing, Inc. Systems, compositions, and methods for full color laser engraving of ID documents
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
WO2003056500A1 (en) 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Covert variable information on id documents and methods of making same
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US7227835B2 (en) * 2002-06-27 2007-06-05 Thomson Licensing Method and apparatus for adjacent channel interference reduction in an orthogonal frequency division multiplexing (OFDM) receiver
US7804982B2 (en) 2002-11-26 2010-09-28 L-1 Secure Credentialing, Inc. Systems and methods for managing and detecting fraud in image databases used with identification documents
US7712673B2 (en) 2002-12-18 2010-05-11 L-L Secure Credentialing, Inc. Identification document with three dimensional image of bearer
WO2004095348A2 (en) 2003-04-16 2004-11-04 Digimarc Corporation Three dimensional data storage
US7744002B2 (en) 2004-03-11 2010-06-29 L-1 Secure Credentialing, Inc. Tamper evident adhesive and identification document including same
EP2056503A1 (de) * 2007-07-27 2009-05-06 Panasonic Corporation Vorrichtung und verfahren zur mehrträger-signalübertragung, vorrichtung und verfahren zur mehrträger-signalempfang

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700793A (en) * 1970-06-09 1972-10-24 Bell Telephone Labor Inc Frequency interleaved video multiplex system
US3842196A (en) * 1972-10-30 1974-10-15 Hazeltine Research Inc System for transmission of auxiliary information in a video spectrum
JPS5429610A (en) * 1977-08-09 1979-03-05 Gen Corp Method of multiplexing signals
NL8103064A (nl) * 1981-06-25 1983-01-17 Philips Nv Gemeenschappelijke antenne-inrichting voor de ontvangst en distributie van tv- en digitale audiosignalen.
JPS5986386A (ja) * 1982-11-09 1984-05-18 Pioneer Electronic Corp 周波数分割多重方式
US4665427A (en) * 1983-03-14 1987-05-12 U.S. Philips Corporation Method and apparatus for converting C-MAC television signals for transmission over a limited bandwidth medium
US4621287A (en) * 1984-05-29 1986-11-04 Rca Corporation Time-multiplexing of an interleaved spectrum of a television signal

Also Published As

Publication number Publication date
FR2609228B1 (fr) 1989-12-01
EP0278192B1 (de) 1992-12-30
JPS63253738A (ja) 1988-10-20
DE3783354T2 (de) 1993-04-29
EP0278192A1 (de) 1988-08-17
FR2609228A1 (fr) 1988-07-01
US4884139A (en) 1989-11-28

Similar Documents

Publication Publication Date Title
DE3783354D1 (de) Verfahren fuer digitalen rundfunk in fernsehkanaelen.
DE3474496D1 (en) Encrypted broadcast television system
DE69007540D1 (de) System zur individuellen Teilnahme an einem Fernseh-Rundfunkprogramm.
ZA831144B (en) Digital agc arrangement
FR2565748B1 (fr) Procede de diffusion et reception de donnees numeriques par le reseau de television
DE3584851D1 (de) Mehrsystemfernsehempfaenger.
DE3584329D1 (de) Signalumwandlungsverfahren und schaltung fuer fernsehempfaenger.
GB8509016D0 (en) Digital audio synchronizing system
DE3465404D1 (en) Television system
DE3586036D1 (de) Verarbeitungssystem fuer videosignale.
DE3678263D1 (de) Schaltung zur stoerungsreduzierung in bild-im-bildfernsehempfaengern.
HK73594A (en) Television receivers
DE3582037D1 (de) Tuner fuer fernsehempfaenger.
GB2198308B (en) Method for limiting the watching distance in a television set
FI852250L (fi) Transmissionssystem foer television.
DE3581507D1 (de) Demodulator fuer digitale empfaenger.
GB2151105B (en) Ccd imager
JPS57143952A (en) Fm broadcasting system
EP0178923A3 (en) Television receivers
DE68912202T2 (de) Digitaler FM-Demodulator.
ZA847217B (en) Television receivers
DE3381672D1 (de) Digitale fernsehempfaenger.
AU8407982A (en) Fm broadcast system
DE3783255D1 (de) Fernsehwiedergabesystem.
IT1215099B (it) Ricevitore televisivo perfezionato

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee