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)

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USRE40919E1 (en) * 1993-11-18 2009-09-22 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
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US6614914B1 (en) 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
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US6516079B1 (en) 2000-02-14 2003-02-04 Digimarc Corporation Digital watermark screening and detecting strategies
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US5841886A (en) * 1993-11-18 1998-11-24 Digimarc Corporation Security system for photographic identification
US6122403A (en) 1995-07-27 2000-09-19 Digimarc Corporation Computer system linked by using information in data objects
US5768426A (en) * 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US6424725B1 (en) 1996-05-16 2002-07-23 Digimarc Corporation Determining transformations of media signals with embedded code signals
US6580819B1 (en) 1993-11-18 2003-06-17 Digimarc Corporation Methods of producing security documents having digitally encoded data and documents employing same
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
US5748783A (en) * 1995-05-08 1998-05-05 Digimarc Corporation Method and apparatus for robust information coding
US5710834A (en) * 1995-05-08 1998-01-20 Digimarc Corporation Method and apparatus responsive to a code signal conveyed through a graphic image
US6869023B2 (en) 2002-02-12 2005-03-22 Digimarc Corporation Linking documents through digital watermarking
US6522770B1 (en) 1999-05-19 2003-02-18 Digimarc Corporation Management of documents and other objects using optical devices
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US7039214B2 (en) 1999-11-05 2006-05-02 Digimarc Corporation Embedding watermark components during separate printing stages
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
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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
US6760463B2 (en) 1995-05-08 2004-07-06 Digimarc Corporation Watermarking methods and media
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
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
US7006661B2 (en) 1995-07-27 2006-02-28 Digimarc Corp Digital watermarking systems and methods
US6829368B2 (en) 2000-01-26 2004-12-07 Digimarc Corporation Establishing and interacting with on-line media collections using identifiers in media signals
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
US6577746B1 (en) 1999-12-28 2003-06-10 Digimarc Corporation Watermark-based object linking and embedding
US6965682B1 (en) 1999-05-19 2005-11-15 Digimarc Corp Data transmission by watermark proxy
US6408331B1 (en) 1995-07-27 2002-06-18 Digimarc Corporation Computer linking methods using encoded graphics
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
JP4008035B2 (ja) * 1996-06-28 2007-11-14 コーニンクレッカ、フィリップス、エレクトロニクス、エヌ．ヴィ・ マルチキャリア伝送システムにおける復調を簡素化するための方法
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
US6788349B2 (en) 2000-04-12 2004-09-07 Her Majesty Of Queen In Right Of Canada, As Respresented By The Minister Of Industry Method and system for broadcasting a digital data signal within an analog TV signal using Orthogonal Frequency Division Multiplexing
US7027614B2 (en) 2000-04-19 2006-04-11 Digimarc Corporation Hiding information to reduce or offset perceptible artifacts
US6804377B2 (en) 2000-04-19 2004-10-12 Digimarc Corporation Detecting information hidden out-of-phase in color channels
JP2002026841A (ja) * 2000-07-05 2002-01-25 Fuji Television Network Inc 地下放送システム
CA2470094C (en) 2001-12-18 2007-12-04 Digimarc Id Systems, Llc Multiple image security features for identification documents and methods of making same
CA2470600C (en) 2001-12-24 2009-12-22 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
CA2471457C (en) 2001-12-24 2011-08-02 Digimarc Id Systems, Llc Covert variable information on id documents and methods of making same
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
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
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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
US4884139A (en) 1989-11-28
DE3783354T2 (de) 1993-04-29
JPS63253738A (ja) 1988-10-20
EP0278192B1 (de) 1992-12-30
EP0278192A1 (de) 1988-08-17
FR2609228B1 (fr) 1989-12-01
FR2609228A1 (fr) 1988-07-01

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Legal Events

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