DE69514508C5 - Vorrichtung und methode zum übertragen und empfangen von videosignalen - Google Patents

Vorrichtung und methode zum übertragen und empfangen von videosignalen Download PDF

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DE69514508C5
DE69514508C5 DE69514508T DE69514508T DE69514508C5 DE 69514508 C5 DE69514508 C5 DE 69514508C5 DE 69514508 T DE69514508 T DE 69514508T DE 69514508 T DE69514508 T DE 69514508T DE 69514508 C5 DE69514508 C5 DE 69514508C5
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video signal
signal
video signals
mosaic
elementary
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DE69514508T2 (de
DE69514508D1 (de
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Fritz Jürgen ROSENGREN
Wilhelm Ronald SAEIJS
Henriette Joanne WESTERINK
Jacob Michel VAN DER KORST
James Guy ROBERTS
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Koninklijke Philips NV
Philips Norden AB
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Philips Norden AB
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    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4347—Demultiplexing of several video streams
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • 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
    • H04N21/234—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
    • H04N21/23439—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 for generating different versions
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Color Television Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Image Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Studio Circuits (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Fernsehsender zum Übertragen einer Anzahl Videosignale, wobei jedes Videosignal eine Programmnummer hat, wobei der Sender Mischmittel (6) aufweist zum Übertragen der Videosignale über einen gemeinsamen Kanal und Zusammensetzungsmittel (1) zum Erzeugen eines Mosaik-Videosignals mit einer Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung, wobei jedes Teilbild eines der genannten Anzahl Videosignale darstellt, und wobei der Sender weiterhin Koppelmittel (14) aufweist zum Erzeugen von Daten, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und welche die Position jedes Teilbildes an einem Wiedergabeschirm mit einer Programmnummer des zugeordneten Videosignals koppeln, wobei die Mischmittel (6) das genannte Mosaik-Videosignal übertragen und Daten über den genannten gemeinsamen Kanal koppeln.

Claims (17)

  1. Fernsehsender zum Übertragen einer Anzahl Videosignale, wobei jedes Videosignal eine Programmnummer hat, wobei der Sender Mischmittel (6) aufweist zum Übertragen der Videosignale über einen gemeinsamen Kanal und Zusammensetzungsmittel (1) zum Erzeugen eines Mosaik-Videosignals mit einer Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung, wobei jedes Teilbild eines der genannten Anzahl Videosignale darstellt, und wobei der Sender weiterhin Koppelmittel (14) aufweist zum Erzeugen von Daten, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und welche die Position jedes Teilbildes an einem Wiedergabeschirm mit einer Programmnummer des zugeordneten Videosignals koppeln, wobei die Mischmittel (6) das genannte Mosaik-Videosignal übertragen und Daten über den genannten gemeinsamen Kanal koppeln.
  2. Fernsehsender nach Anspruch 1, wobei die Videosignale digitale Videosignale sind, und wobei jedes Signal in einen betreffenden Elementar-Bitstrom transformcodiert wird, wobei der Sender weiterhin Mittel (5) umfasst zum Codieren des genannten Mosaikbildes als weiteren Elementar-Bitstrom, wobei die Mischmittel einen Multiplexer (6) aufweisen zum Multiplexen jedes betreffenden Elementar-Bitstroms, des weiteres Elementar-Bitstroms und der Koppeldaten in einen Transportstrom, der über den genannten gemeinsamen Kanal übertragen wird.
  3. Sender nach Anspruch 1 oder 2, wobei wenigstens eines der Teilbilder kennzeichnend ist für das von dem zugeordneten Videosignal transportierte Fernsehprogramm.
  4. Sender nach Anspruch 1 oder 2, wobei die Teilbilder kennzeichnend sind für betreffende Programme, geplant für spätere Übertragung, und die Koppeldaten Planungsdaten enthalten zum Programmieren des Empfängers zur automatischen Wiedergabe der genannten geplanten Programme.
  5. Sender nach Anspruch 2, wobei die genannten Koppeldaten durch Verwendung eines MPEG2-Descriptors (15) übertragen werden.
  6. Sender nach Anspruch 2, wobei ein Elementarbitstrom autonom codierte und prädiktiv codierte Bilder aufweist, die transformcodierte Blöcke mit DC-Koeffizienten enthalten und wobei die Mittel (1) zum Zusammensetzen des Mosaikbildes Mittel (16, 17, 18) enthalten zum Selektieren der DC-Koeffizienten autonom codierter Bilder zum Bilden des genannten Teilbildes.
  7. Fernsehempfänger zum Empfangen und Wiedergeben einer Anzahl Videosignale und eines Mosaik-Videosignals, das ein Mosaikbild darstellt, das eine Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung aufweist, wobei jedes Teilbild eines der genannten Anzahl Videosignale darstellt, wobei jedes Videosignal eine Programmnummer hat, wobei der Fernsehempfänger einen Wiedergabeschirm aufweist, und wobei der Fernsehempfänger weiterhin benutzergesteuerte Andeutungsmittel (46) aufweist zum Selektieren eines selektierten Teilbildes aus dem Mosaikbild, und Steuermittel (45) zum Empfangen und Decodieren von Daten, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und welche die Position jedes Teilbildes des Mosaikbildes mit der Programmnummer des zugeordneten Videosignals koppeln, und ein selektiertes Videosignal, dargestellt durch das selektierte Teilbild zum Wiedergeben selektieren.
  8. Fernsehempfänger nach Anspruch 7, wobei die Videosignale digitale Videosignale sind und in Elementar-Bitströme transformcodiert werden, wobei eine Anzahl der Elementar-Bitströme zu einem Transportstrom gemultiplext werden, wobei einer der genannten Bitströme das Mosaikbild darstellt, wobei der Fernsehempfänger weiterhin Demultiplexmittel (40) aufweist zum Extrahieren der genannten Elementar-Bitströme aus dem Transportstrom, und Mittel zum Empfangen und Decodieren eines Elementar-Bitstroms zur Wiedergabe an einem Wiedergabeschirm (44), wobei die Steuermittel (45) dafür sorgen, dass die Empfangs- und Decodermittel zum Empfangen und Decodieren des Elementar-Bitstroms das genannte selektierte Videosignal darstellt.
  9. Empfänger nach Anspruch 7 oder 8, weiterhin mit Mitteln (47) zum Herleiten des selektierten Teilbildes aus dem Mosaiksignal und mit Mitteln (48) zum gleichzeitigen Wiedergeben des selektieren Teilbildes und des zugeordneten Videosignals während einer vorbestimmten Periode nach der Selektion des genannten Videosignals.
  10. Empfänger nach Anspruch 8, wobei die genannten Koppeldaten in Form eines MPEG2-Descriptors empfangen werden, und wobei die Steuermittel (45) den Empfang des genannten Deskriptors detektieren und in Reaktion auf die genannte Detektion den Elementar-Bitstrom, der das Mosaik-Videosignal darstellt, empfangen und wiedergeben.
  11. Verfahren zum Übertragen einer Anzahl Videosignale über einen gemeinsamen Kanal, wobei jedes Videosignal eine Programmnummer hat, wobei das Verfahren die Verfahrensschritte aufweist: – Erzeugung eines Mosaik-Videosignals, das eine Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung aufweist, wobei jedes Teilbild eines der genannten Anzahl Videosignale darstellt, – Erzeugung von Daten, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und welche die Position jedes Teilbildes am Wiedergabeschirm mit der Programmnummer des entsprechenden Videosignals koppeln, – Übertragung des genannten Mosaik-Videosignals und der Kopplung von Daten über den genannten gemeinsamen Kanal.
  12. Verfahren nach Anspruch 11, wobei die Videosignale digitale Videosignale sind, wobei jedes Signal in einen betreffenden Elementar-Bitstrom transformcodiert wird, und wobei das Mosaik-Videosignal in einen weiteren betreffenden Elementar-Bitstrom transformcodiert wird, wobei dieses Verfahren einen Verfahrensschritt der Multiplexierung jedes betreffenden Elementar-Bitstroms, des weiteren Elementar-Bitstroms und der Koppeldaten in einen Transportstrom, der über den genannten Kanal übertragen werden soll.
  13. Verfahren zum Empfangen und Wiedergeben von Videosignalen und eines Mosaik-Videosignals, das ein Mosaikbild mit einer Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung darstellt, wobei jedes Teilbild ein Signal der genannten Anzahl Videosignale darstellt, wobei jedes Videosignal eine Programmnummer aufweist, wobei das Verfahren die Verfahrensschritte aufweist: – Empfang von Daten, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und welche die Position jedes Teilbildes an einem Wiedergabeschirm mit einer Programmnummer des zugeordneten Videosignals koppeln, – Decodierung der Programmnummer eines Videosignals, dargestellt durch die Position des wiedergegebenen Teilbildes, das durch eine Anzeigevorrichtung angezeigt worden ist, – und Selektion des genannten Videosignals zur Wiedergabe.
  14. Fernsehsignal mit einer Anzahl Videosignale, wobei jedes Signal eine Programmnummer hat, wobei ein Mosaik-Videosignal, das ein Mosaikbild darstellt, eine Anzahl Teilbilder in einer horizontalen und vertikalen Anordnung aufweist, wobei jedes Teilbild ein Videosignal einer Anzahl Videosignale darstellt, und wobei das Fernsehsignal weiterhin Daten aufweist, welche die Anzahl sowohl der horizontalen wie auch der vertikalen eine Anordnung bildenden Teilbilder spezifizieren und die Position jedes Teilbildes an einem Wiedergabeschirm mit der Programmnummer des entsprechenden Videosignals koppeln.
  15. Fernsehsignal nach Anspruch 14, wobei das Signal ein MPEG2-Fernsehsignal ist mit einer Anzahl digitaler Videosignale, wobei jedes Signal in einen betreffenden Elementar-Bitstrom transformcodiert ist, wobei ein weiterer Elementar-Bitstrom, der das Mosaikbild darstellt und Daten zur Kopplung jedes Teilbildes innerhalb des Mosaikbildes mit dem zugeordneten Videosignal koppeln.
  16. Signal nach Anspruch 15, wobei die genannten Koppeldaten durch Verwendung eines MPEG2-Dekriptors übertragen werden.
  17. Signal nach Anspruch 15 oder 16, wobei die Elementar-Bitströme autonom codierte und prädikativ codierte Bilder mit transformcodierten Blöcken mit DC-Koeffizienten umfassen, und wobei der weitere Elementar-Bitstrom die DC-Koeffizienten der genannten autonom codierten Bilder aufweist.
DE69514508T 1994-04-15 1995-04-10 Vorrichtung und methode zum übertragen und empfangen von videosignalen Expired - Lifetime DE69514508C5 (de)

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Application Number Priority Date Filing Date Title
EP94201053 1994-04-15
EP94201053 1994-04-15
PCT/IB1995/000255 WO1995028794A2 (en) 1994-04-15 1995-04-10 Arrangement and method for transmitting and receiving video signals

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DE69514508D1 DE69514508D1 (de) 2000-02-17
DE69514508T2 DE69514508T2 (de) 2000-07-20
DE69514508C5 true DE69514508C5 (de) 2006-05-18

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DE69532656T Expired - Fee Related DE69532656T2 (de) 1994-04-15 1995-04-10 Verfahren und Vorrichtung zum Empfang von digitalen Videosignalen
DE69514508T Expired - Lifetime DE69514508C5 (de) 1994-04-15 1995-04-10 Vorrichtung und methode zum übertragen und empfangen von videosignalen
DE69523321T Expired - Fee Related DE69523321T2 (de) 1994-04-15 1995-04-10 Vorrichtung zur dekodierung von digitalen videosignalen

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US (2) US5633683A (de)
EP (3) EP0755604B1 (de)
JP (2) JP4204067B2 (de)
KR (3) KR100354937B1 (de)
CN (3) CN1492677A (de)
AT (3) ATE188826T1 (de)
AU (2) AU700272B2 (de)
BR (1) BR9507363A (de)
CA (1) CA2187796C (de)
DE (3) DE69532656T2 (de)
DK (2) DK0775413T3 (de)
ES (3) ES2165417T3 (de)
GR (1) GR3033116T3 (de)
MY (3) MY113163A (de)
PT (1) PT755604E (de)
WO (2) WO1995028794A2 (de)

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AU700272B2 (en) 1998-12-24
WO1995028795A2 (en) 1995-10-26
ES2215360T3 (es) 2004-10-01
CN1492677A (zh) 2004-04-28
ATE207268T1 (de) 2001-11-15
MY114163A (en) 2002-08-30
CN1149953A (zh) 1997-05-14
KR100461207B1 (ko) 2005-04-21
DE69523321D1 (de) 2001-11-22
KR970702658A (ko) 1997-05-13
EP0775413B1 (de) 2001-10-17
CA2187796A1 (en) 1995-10-26
DE69523321T2 (de) 2002-07-04
JPH09512148A (ja) 1997-12-02
EP0755604B1 (de) 2000-01-12
MY134158A (en) 2007-11-30
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JP4204067B2 (ja) 2009-01-07
CN1139258C (zh) 2004-02-18
EP0964576A1 (de) 1999-12-15
JPH09512147A (ja) 1997-12-02
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AU2082295A (en) 1995-11-10
AU2082195A (en) 1995-11-10
DE69532656T2 (de) 2005-02-10
EP0775413B9 (de) 2002-10-16
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US5633683A (en) 1997-05-27
KR970702667A (ko) 1997-05-13
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WO1995028794A2 (en) 1995-10-26
EP0775413A2 (de) 1997-05-28
CA2187796C (en) 2010-06-29
CN1085005C (zh) 2002-05-15
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ATE261227T1 (de) 2004-03-15
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MY113163A (en) 2001-12-31
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US6041068A (en) 2000-03-21
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AU686355B2 (en) 1998-02-05
WO1995028795A3 (en) 1995-11-30
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