FI113124B - Dataöverföring - Google Patents
Dataöverföring Download PDFInfo
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- FI113124B FI113124B FI990970A FI990970A FI113124B FI 113124 B FI113124 B FI 113124B FI 990970 A FI990970 A FI 990970A FI 990970 A FI990970 A FI 990970A FI 113124 B FI113124 B FI 113124B
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- 238000004891 communication Methods 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 13
- 230000002123 temporal effect Effects 0.000 claims description 9
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- 241001122767 Theaceae Species 0.000 claims 1
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- 230000003139 buffering effect Effects 0.000 description 27
- 238000004422 calculation algorithm Methods 0.000 description 16
- 230000006835 compression Effects 0.000 description 12
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Classifications
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- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/37—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234354—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering signal-to-noise ratio parameters, e.g. requantization
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6131—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a mobile phone network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
- Refuse Collection And Transfer (AREA)
- Holo Graphy (AREA)
Claims (24)
1. Server för sändning av en datasignal, som omfattar en sekvens av dataenheter i en förutbestämd ordning, över en överföringslänk med varierande brandbredd, varvid servern omfattar omordningsmedel (16) ooh är anordnad att 5 sända dataenheterna i en ordning som bestäms av deras relativa viktighet i stället för deras förutbestämda ordning, kännetecknad av att dataenheterna är anordnade att äterges vid förutbestämda ätergivningstidpunkter ooh att omordningsmedlen ordnar dataenheterna i den av deras viktighet bestämda ordningen sä, att de viktigaste dataenheterna mottas före de för dessa 10 planerade ätergivningstidpunkterna ooh sä, att de minst viktiga dataenheterna mottas före de för dessa planerade ätergivningstidpunkterna om det pä överföringslänken finns tillräckligt med tillgänglig bandbredd, och efter de för dessa planerade ätergivningstidpunkterna om det pä överföringslänken inte finns tillräckligt med tillgänglig bandbredd. 15
2. Server enligt patentkrav 1, i vilken server dataenheterna representerar ett basskikt (base layer) och ätminstone ett förbättringsskikt (enhancement layer).
3. Server enligt patentkrav 1 eller 2, i vilken server datasignalen är skalbar.
’ . 4. Server enligt patentkrav 3, i vilken server signalen är skalbar pä ett pian * * som väljs fran en grupp som bestär av det temporala, spatiala, spektrala och ^ SNR-planet. * a 25 » · * ·
5. Server enligt nägot av föregäende patentkrav, vilken server omfattar en :1. . editor för att producera datasignalen. * I > » > ,' .
6. Server enligt nägot av föregäende patentkrav, i vilken server • · ! 30 datasignalen representerar en sekvens av bilder för att producera en rörlig bild.
',, ‘ 7. Server enligt patentkrav 6, i vilken server datasignalen representerar en videosekvens. 113124
8. Server enligt nägot av föregäende patentkrav, i vilken server datasignalen omfattar multimediedata.
9. Dataöverföringssystem för sändning av en datasignal, som omfattar en 5 sekvens av dataenheter i en förutbestämd ordning, över en överföringslänk med varierande brandbredd mellan en datakälla och en datamottagare, varvid systemet omfattar omordningsmedel (16) för att ordna dataenheterna som skall sändas i en ordning som bestäms av deras relativa viktighet i stället för deras förutbestämda ordning, kännetecknad av att dataenheterna är anordnade att 10 äterges vid förutbestämda ätergivningstidpunkter och att omordningsmedlen ordnar dataenheterna i den av deras viktighet bestämda ordningen sä, att de viktigaste dataenheterna mottas före de för dessa planerade atergivningstidpunkterna och sa, att de minst viktiga dataenheterna mottas före de för dessa planerade atergivningstidpunkterna om det pä överföringslänken 15 finns tillräckligt med tillgänglig bandbredd, och efter de för dessa planerade atergivningstidpunkterna om det ä överföringslänken inte finns tillräckligt med tillgänglig bandbredd.
10. Överföringssystem enligt patentkrav 9, i vilket överföringssystem var och 20 en av dataenheterna omfattar ett basskikt och ett förbättringsskikt, och en viss dataenhets basskikt har efter omordnande en längre skyddstid än | ’ förbättringsskiktetellervarjeförbättringsskikt i dennavissa dataenhet.
• · • * • · • · * · ;; 11. Överföringssystem enligt patentkrav 9 eller patentkrav 10, i vilket • ! * !., t 25 överföringssystem kallan är en server.
• · · 12. Överföringssystem enligt nägot av patentkraven 9 -11, i vilket , · * ’. överföringssystem kallan är en editor. ‘ ; 30
13. Överföringssystem enligt nägot av patentkraven 9 -12, i vilket * # » # » · . överföringssystem mottagaren är en kund.
* · • ··* 14. Överföringssystem enligt nägot av patentkraven 9 -13, i vilket överföringssystem mottagaren är en bärbar terminal. 38 113124
15. Överföringssystem enligt nägot av patentkraven 9 -14, i vilket överföringssystem mottagaren är en mobiltelefon. 5
16. Överföringssystem enligt patentkraven 9 -15, i vilket överföringssystem tillhandahälls medel för att kontrollera hur överföringen framskrider och för att ändra ordningen som är i bruk tili sadan att den passar bättre för den tillgängliga bandbredden. 10
17. Förfarande för sändning av en datasignal, som omfattar en sekvens av dataenheter i en förutbestämd ordning, över en överföringslänk med varierande brandbredd mellan en datakälla och en datamottagare, vilket förfarande omfattar ett steg där dataenheterna sänds i en ordning som bestäms av deras relativa viktighet i stället för deras förutbestämda ordning, kännetecknad av att 15 dataenheterna är anordnade att äterges vid förutbestämda ätergivningstidpunkter och att den av deras viktighet bestämda ordningen är sadan, att de viktigaste dataenheterna mottas före de för dessa planerade atergivningstidpunkterna och sädan, att de minst viktiga dataenheterna mottas före de för dessa planerade atergivningstidpunkterna om det pä 20 överföringslänken finns tillräckligt med tillgänglig bandbredd, och efter de för dessa planerade atergivningstidpunkterna om det pä överföringslänken inte finns tillräckligt med tillgänglig bandbredd.
18. Förfarande enligt patentkrav 17, vid vilket förfarande dataenheterna efter 25 överföringen av dem över överföringslänken äterställs tili deras ursprungliga ordning.
*. 19. Förfarande enligt patentkrav 17 eller patentkrav 18, vid vilket förfarande » det kontrolleras hur överföringen framskrider, och ordningen som är i bruk I * t ’ 30 ändras tili sädan att den passar bättre för den tillgängliga bandbredden. » ·
20. Datorprogramprodukt, vilken datorprogramprodukt är lagrad pä ett ’ · · ·' medium som kan användas i en dator och som omfattar maskinspräkiga programmedel för att ästadkomma sändning av en datasignal, som omfattar en 113124 sekvens av dataenheter i en förutbestämd ordning, over en överföringslänk med varierande brandbredd, varvid programmedlen kan exekveras att ordna dataenheterna i en ordning som bestäms av deras relativa viktighet i stället för deras förutbestämda ordning, kännetecknad av att dataenheterna är avsedda 5 att aterges vid planerade atergivningstidpunkter och att programmedlen kan exekveras att ordna de minst viktiga dataenheterna i den av deras viktighet bestämda ordningen sä, att de viktigaste dataenheterna mottas före de för dessa planerade atergivningstidpunkterna och sa, att de minst viktiga dataenheterna mottas före de för dessa planerade atergivningstidpunkterna om 10 det pä överföringslänken finns tillräckligt med tillgänglig bandbredd, och efter de för dessa planerade atergivningstidpunkterna om det pä överföringslänken inte finns tillräckligt med tillgänglig bandbredd.
21. Datorprogramprodukt enligt patentkrav 20, vilken datorprogramprodukt 15 omfattar en server.
22. Datorprogramprodukt enligt patentkrav 20 eller patentkrav 21, vilken datorprogramprodukt omfattar en editor för att producera en skalbar datasignal.
23. Datorprogramprodukt enligt nägot av patentkraven 21 - 22, vilken , ’ ’ datorprogramprodukt omfattar omordningsmedel för att förse dataenhetens eller varje dataenhets skikt med olika skyddstider. « » • · * » • *
24. Datasignal, vilken datasignal omfattar en sekvens av dataenheter för att • · · 25 sändas over en överföringslänk med varierande bandbredd mellan en datakälla » · · och en datamottagare, vilka dataenheter är i en ordning som bestäms av deras ; . ·. relativa viktighet i stället för deras förutbestämda ordning, kännetecknad av > » , . dataenheterna är avsedda att aterges vid planerade atergivningstidpunkter och / . den av deras viktighet bestämda ordningen är sadan, att de viktigaste > · · 30 dataenheterna mottas före de för dessa planerade atergivningstidpunkterna och * I • sadan, att de minst viktiga dataenheterna mottas före de för dessa planerade t t % t [ t atergivningstidpunkterna om det pä överföringslänken finns tillräckligt med tillgänglig bandbredd, och efter de för dessa planerade atergivningstidpunkterna om det pä överföringslänken inte finns tillräckligt med tillgänglig bandbredd.
Priority Applications (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI990970A FI113124B (sv) | 1999-04-29 | 1999-04-29 | Dataöverföring |
BR0010129-0A BR0010129A (pt) | 1999-04-29 | 2000-04-26 | Método, sistema e servidor para transmitir um sinal de dados possuindo uma sequência de unidades de dados em uma ordem predeterminada sobre o enlace de transmissão, programa de computador, e, sinal de dados |
CA002372228A CA2372228C (en) | 1999-04-29 | 2000-04-26 | Data transmission |
JP2000614722A JP4405689B2 (ja) | 1999-04-29 | 2000-04-26 | データ伝送 |
AT00920790T ATE455433T1 (de) | 1999-04-29 | 2000-04-26 | Datenübertragung |
CNB2005100818590A CN100505875C (zh) | 1999-04-29 | 2000-04-26 | 传输具有数据单元序列的数据信号的服务器、系统和方法 |
PCT/FI2000/000363 WO2000067469A1 (en) | 1999-04-29 | 2000-04-26 | Data transmission |
CA002658868A CA2658868A1 (en) | 1999-04-29 | 2000-04-26 | Data transmission |
EP09008988A EP2111035A1 (en) | 1999-04-29 | 2000-04-26 | Scalable data transmission |
CN008095574A CN1217530C (zh) | 1999-04-29 | 2000-04-26 | 传输具有数据单元序列的数据信号的服务器、系统和方法 |
KR1020087028564A KR100927159B1 (ko) | 1999-04-29 | 2000-04-26 | 데이터 전송 |
KR1020087007251A KR100923477B1 (ko) | 1999-04-29 | 2000-04-26 | 데이터 신호를 스트리밍하기 위한 서버와 방법, 클라이언트 장치 및 스트리밍 데이터 신호를 수신하기 위한 방법 |
AU41242/00A AU768013B2 (en) | 1999-04-29 | 2000-04-26 | Data transmission |
KR1020017013872A KR100891150B1 (ko) | 1999-04-29 | 2000-04-26 | 데이터 전송 |
EP00920790A EP1177681B1 (en) | 1999-04-29 | 2000-04-26 | Data transmission |
CA002647015A CA2647015A1 (en) | 1999-04-29 | 2000-04-26 | Data transmission |
DE60043696T DE60043696D1 (de) | 1999-04-29 | 2000-04-26 | Datenübertragung |
US09/560,217 US7289506B1 (en) | 1999-04-29 | 2000-04-28 | Data transmission |
JP2006335857A JP2007129745A (ja) | 1999-04-29 | 2006-12-13 | データ伝送 |
US11/928,741 US20080104647A1 (en) | 1999-04-29 | 2007-10-30 | Data transmission |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI990970 | 1999-04-29 | ||
FI990970A FI113124B (sv) | 1999-04-29 | 1999-04-29 | Dataöverföring |
Publications (3)
Publication Number | Publication Date |
---|---|
FI990970A0 FI990970A0 (sv) | 1999-04-29 |
FI990970A FI990970A (sv) | 2000-10-30 |
FI113124B true FI113124B (sv) | 2004-02-27 |
Family
ID=8554549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI990970A FI113124B (sv) | 1999-04-29 | 1999-04-29 | Dataöverföring |
Country Status (12)
Country | Link |
---|---|
US (2) | US7289506B1 (sv) |
EP (2) | EP2111035A1 (sv) |
JP (2) | JP4405689B2 (sv) |
KR (3) | KR100923477B1 (sv) |
CN (2) | CN1217530C (sv) |
AT (1) | ATE455433T1 (sv) |
AU (1) | AU768013B2 (sv) |
BR (1) | BR0010129A (sv) |
CA (3) | CA2372228C (sv) |
DE (1) | DE60043696D1 (sv) |
FI (1) | FI113124B (sv) |
WO (1) | WO2000067469A1 (sv) |
Families Citing this family (108)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6307487B1 (en) | 1998-09-23 | 2001-10-23 | Digital Fountain, Inc. | Information additive code generator and decoder for communication systems |
US7068729B2 (en) | 2001-12-21 | 2006-06-27 | Digital Fountain, Inc. | Multi-stage code generator and decoder for communication systems |
JP2002232841A (ja) * | 2000-11-10 | 2002-08-16 | Satake Corp | マルチメディア情報処理装置 |
GB0031539D0 (en) * | 2000-12-22 | 2001-02-07 | Pa Consulting Services | Feedback control to encoder |
GB0031538D0 (en) * | 2000-12-22 | 2001-02-07 | Pa Consulting Services | Video layer mapping |
GB0031537D0 (en) * | 2000-12-22 | 2001-02-07 | Pa Consulting Services | Feedback control from decoder |
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CA2372228A1 (en) | 2000-11-09 |
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CN1703088A (zh) | 2005-11-30 |
KR100927159B1 (ko) | 2009-11-18 |
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DE60043696D1 (de) | 2010-03-04 |
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CN100505875C (zh) | 2009-06-24 |
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US20080104647A1 (en) | 2008-05-01 |
CA2658868A1 (en) | 2000-11-09 |
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FI990970A0 (sv) | 1999-04-29 |
ATE455433T1 (de) | 2010-01-15 |
JP2007129745A (ja) | 2007-05-24 |
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Owner name: NOKIA TECHNOLOGIES OY |
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MA | Patent expired |