WO1995027361A2 - Method of operating an interactive image display system and image source device for implementing the method - Google Patents

Method of operating an interactive image display system and image source device for implementing the method Download PDF

Info

Publication number
WO1995027361A2
WO1995027361A2 PCT/IB1995/000114 IB9500114W WO9527361A2 WO 1995027361 A2 WO1995027361 A2 WO 1995027361A2 IB 9500114 W IB9500114 W IB 9500114W WO 9527361 A2 WO9527361 A2 WO 9527361A2
Authority
WO
WIPO (PCT)
Prior art keywords
image
compressed
image signal
input
source device
Prior art date
Application number
PCT/IB1995/000114
Other languages
English (en)
French (fr)
Other versions
WO1995027361A3 (en
Inventor
Pieter Maria Mielekamp
Franklin Harold Schuling
Original Assignee
Philips Electronics Nv
Philips Norden Ab
Pieter Maria Mielekamp
Franklin Harold Schuling
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 Philips Electronics Nv, Philips Norden Ab, Pieter Maria Mielekamp, Franklin Harold Schuling filed Critical Philips Electronics Nv
Priority to EP95908356A priority Critical patent/EP0704128B1/en
Priority to JP52553795A priority patent/JP3784828B2/ja
Priority to DE69521255T priority patent/DE69521255T2/de
Priority to US08/553,281 priority patent/US6727886B1/en
Publication of WO1995027361A2 publication Critical patent/WO1995027361A2/en
Publication of WO1995027361A3 publication Critical patent/WO1995027361A3/en

Links

Classifications

    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/162—User input
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N21/42653—Internal components of the client ; Characteristics thereof for processing graphics
    • 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
    • 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
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440245—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
    • 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
    • H04N21/47—End-user applications
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
    • 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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
PCT/IB1995/000114 1994-04-01 1995-02-23 Method of operating an interactive image display system and image source device for implementing the method WO1995027361A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP95908356A EP0704128B1 (en) 1994-04-01 1995-02-23 Method of operating an interactive image display system and image system for implementing the method
JP52553795A JP3784828B2 (ja) 1994-04-01 1995-02-23 インタラクティブ画像表示システムの動作方法およびこの方法を実行する画像ソース装置
DE69521255T DE69521255T2 (de) 1994-04-01 1995-02-23 Verfahren zum betrieb eines interaktiven bildanzeigesystems und bildanzeigesystem zur durchführung des verfahrens
US08/553,281 US6727886B1 (en) 1994-04-01 1995-02-23 Method of operating an interactive image display system and image source device for implementing the method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94200904.4 1994-04-01
EP94200904 1994-04-01

Publications (2)

Publication Number Publication Date
WO1995027361A2 true WO1995027361A2 (en) 1995-10-12
WO1995027361A3 WO1995027361A3 (en) 1995-11-30

Family

ID=8216759

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1995/000114 WO1995027361A2 (en) 1994-04-01 1995-02-23 Method of operating an interactive image display system and image source device for implementing the method

Country Status (5)

Country Link
US (1) US6727886B1 (US06727886-20040427-M00004.png)
EP (1) EP0704128B1 (US06727886-20040427-M00004.png)
JP (1) JP3784828B2 (US06727886-20040427-M00004.png)
DE (1) DE69521255T2 (US06727886-20040427-M00004.png)
WO (1) WO1995027361A2 (US06727886-20040427-M00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0977439A2 (en) * 1998-07-31 2000-02-02 Sarnoff Corporation Logo insertion based on constrained encoding

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6754905B2 (en) 1998-07-23 2004-06-22 Diva Systems Corporation Data structure and methods for providing an interactive program guide
US9924234B2 (en) * 1998-07-23 2018-03-20 Comcast Ip Holdings I, Llc Data structure and methods for providing an interactive program
JP3390426B2 (ja) * 2000-11-29 2003-03-24 技研トラステム株式会社 物体像識別方法
US20040150748A1 (en) * 2003-01-31 2004-08-05 Qwest Communications International Inc. Systems and methods for providing and displaying picture-in-picture signals
US20040163126A1 (en) * 2003-01-31 2004-08-19 Qwest Communications International Inc. Methods and apparatus for delivering a computer data stream to a video appliance with a network interface device
US10142023B2 (en) 2003-01-31 2018-11-27 Centurylink Intellectual Property Llc Antenna system and methods for wireless optical network termination
US8713617B2 (en) * 2003-01-31 2014-04-29 Qwest Communications International Inc. Systems and methods for providing television signals using a network interface device
US20040150749A1 (en) * 2003-01-31 2004-08-05 Qwest Communications International Inc. Systems and methods for displaying data over video
US7194249B2 (en) * 2003-01-31 2007-03-20 Qwest Communications International Inc. Methods, systems and apparatus for providing urgent public information
US7921443B2 (en) 2003-01-31 2011-04-05 Qwest Communications International, Inc. Systems and methods for providing video and data services to a customer premises
US8490129B2 (en) * 2003-01-31 2013-07-16 Qwest Communications International Inc. Methods, systems and apparatus for selectively distributing urgent public information
US20040150750A1 (en) * 2003-01-31 2004-08-05 Qwest Communications International Inc. Systems and methods for monitoring visual information
US8112449B2 (en) 2003-08-01 2012-02-07 Qwest Communications International Inc. Systems and methods for implementing a content object access point
US7522184B2 (en) * 2004-04-03 2009-04-21 Li Sun 2-D and 3-D display
WO2005099278A2 (en) * 2004-04-03 2005-10-20 Li Sun Dual polarizing light filter for 2-d and 3-d display
US7801213B2 (en) * 2006-09-18 2010-09-21 Rgb Networks, Inc. Method and apparatus for modifying a data rate of a video signal
US7688889B2 (en) * 2006-09-18 2010-03-30 Rgb Networks, Inc. Methods, apparatus, and systems for insertion of overlay content into a video signal with transrating capabilities
US8087044B2 (en) * 2006-09-18 2011-12-27 Rgb Networks, Inc. Methods, apparatus, and systems for managing the insertion of overlay content into a video signal
JP4827950B2 (ja) * 2008-07-31 2011-11-30 富士通株式会社 サーバ装置
JP2010245796A (ja) * 2009-04-06 2010-10-28 Sony Corp 映像表示装置および方法、映像表示システム、並びにプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4958297A (en) * 1986-07-17 1990-09-18 Honeywell Inc. Apparatus for interfacing video information and computer-generated graphics on a visual display terminal
JP2590899B2 (ja) * 1987-07-24 1997-03-12 松下電器産業株式会社 文字図形情報表示装置
JPH04108277A (ja) * 1990-08-28 1992-04-09 Sharp Corp テレビジョン受像機
US5696531A (en) * 1991-02-05 1997-12-09 Minolta Camera Kabushiki Kaisha Image display apparatus capable of combining image displayed with high resolution and image displayed with low resolution
US5257113A (en) 1991-09-20 1993-10-26 International Business Machines Corporation Video mixing technique using JPEG compressed data
EP0572024A2 (en) 1992-05-27 1993-12-01 Kabushiki Kaisha Toshiba Multimedia display control system for storing image data in frame buffer
US5621429A (en) * 1993-03-16 1997-04-15 Hitachi, Ltd. Video data display controlling method and video data display processing system
JPH0756956A (ja) * 1993-07-22 1995-03-03 Xerox Corp 人間の作成したイメージに基づくデータアクセス方法
US5512921A (en) * 1994-06-22 1996-04-30 Microsoft Corporation Visual display system having low energy data storage subsystem with date compression capabilities, and method for operating same
US5724070A (en) * 1995-11-20 1998-03-03 Microsoft Corporation Common digital representation of still images for data transfer with both slow and fast data transfer rates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0977439A2 (en) * 1998-07-31 2000-02-02 Sarnoff Corporation Logo insertion based on constrained encoding
EP0977439A3 (en) * 1998-07-31 2002-06-12 Sarnoff Corporation Logo insertion based on constrained encoding

Also Published As

Publication number Publication date
DE69521255D1 (de) 2001-07-19
EP0704128B1 (en) 2001-06-13
DE69521255T2 (de) 2002-05-02
WO1995027361A3 (en) 1995-11-30
US6727886B1 (en) 2004-04-27
JP3784828B2 (ja) 2006-06-14
EP0704128A1 (en) 1996-04-03
JPH08511403A (ja) 1996-11-26

Similar Documents

Publication Publication Date Title
EP0704128B1 (en) Method of operating an interactive image display system and image system for implementing the method
US5748789A (en) Transparent block skipping in object-based video coding systems
CN101049025B (zh) 根据单个输入产生多个代码转换输出的一种方法和系统
US6791624B1 (en) Television receiver image processing using display of different image quality adjusted images
EP1589765B1 (en) Transformation block optimisation
US6233279B1 (en) Image processing method, image processing apparatus, and data storage media
EP1287485B1 (en) Image sequence compression featuring independently coded regions
JP2912593B2 (ja) マルチメディアデータの符号化および復号化のためのシステム、マルチメディアデータの圧縮および伸長のためのｍｐｅｇシステム、ならびにマルチメディアデータの圧縮および伸長の方法
US8340179B2 (en) Methods and devices for coding and decoding moving images, a telecommunication system comprising such a device and a program implementing such a method
EP0595599B1 (en) Compression/decompression system for image data
US20080130736A1 (en) Methods and devices for coding and decoding images, telecommunications system comprising such devices and computer program implementing such methods
WO2010095341A1 (ja) 画像符号化装置、方法およびプログラム、並びに、画像復号装置、方法およびプログラム
US20070223033A1 (en) Method and device for processing a sequence of digital images with a scalable format
JPH10503358A (ja) 対話型画像操作
US6128041A (en) Method and apparatus for binary shape encoding
JP2003533101A (ja) 予測符号化オブジェクトベース画像信号を予測符号化ブロックベース画像信号にトランスコーディングするトランスコーディング方法およびトランスコーダ
WO1999065243A1 (en) Mpeg encoding technique for encoding web pages
KR20020064771A (ko) 엔코딩된 화상의 영역을 변경하기 위한 회로 및 방법
US6865229B1 (en) Method and apparatus for reducing the “blocky picture” effect in MPEG decoded images
KR20020042822A (ko) 엔코딩된 비디오 화상 각각을 각자의 영역으로 포멧하는회로 및 방법
US20020113898A1 (en) Picture processing apparatus and method, and recording medium
KR100522938B1 (ko) 블록화현상 제거장치 및 제거방법, 블록화현상 제거장치가 구비된 디스플레이장치
US6278734B1 (en) Process for decoding and coding a compressed video data stream with reduced memory requirements
US6980598B2 (en) Programmable vertical filter for video encoding
JP2004357313A (ja) 画像情報処理装置及び画像情報処理方法

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A2

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

WWE Wipo information: entry into national phase

Ref document number: 1995908356

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 08553281

Country of ref document: US

AK Designated states

Kind code of ref document: A3

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A3

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

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWP Wipo information: published in national office

Ref document number: 1995908356

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1995908356

Country of ref document: EP