TWI571130B - 體積式視訊呈現 - Google Patents

體積式視訊呈現 Download PDF

Info

Publication number
TWI571130B
TWI571130B TW101113630A TW101113630A TWI571130B TW I571130 B TWI571130 B TW I571130B TW 101113630 A TW101113630 A TW 101113630A TW 101113630 A TW101113630 A TW 101113630A TW I571130 B TWI571130 B TW I571130B
Authority
TW
Taiwan
Prior art keywords
image
viewer
data
head mounted
mounted display
Prior art date
Application number
TW101113630A
Other languages
English (en)
Chinese (zh)
Other versions
TW201301892A (zh
Inventor
巴希克史帝文
Original Assignee
微軟技術授權有限責任公司
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 微軟技術授權有限責任公司 filed Critical 微軟技術授權有限責任公司
Publication of TW201301892A publication Critical patent/TW201301892A/zh
Application granted granted Critical
Publication of TWI571130B publication Critical patent/TWI571130B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/344—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012—Head tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/04815—Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/366—Image reproducers using viewer tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/366—Image reproducers using viewer tracking
    • H04N13/383—Image reproducers using viewer tracking for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/398—Synchronisation thereof; Control thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
    • G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0187—Display position adjusting means not related to the information to be displayed slaved to motion of at least a part of the body of the user, e.g. head, eye

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Processing Or Creating Images (AREA)
  • Position Input By Displaying (AREA)
  • Controls And Circuits For Display Device (AREA)
TW101113630A 2011-06-17 2012-04-17 體積式視訊呈現 TWI571130B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/163,407 US8964008B2 (en) 2011-06-17 2011-06-17 Volumetric video presentation

Publications (2)

Publication Number Publication Date
TW201301892A TW201301892A (zh) 2013-01-01
TWI571130B true TWI571130B (zh) 2017-02-11

Family

ID=47353374

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101113630A TWI571130B (zh) 2011-06-17 2012-04-17 體積式視訊呈現

Country Status (7)

Country Link
US (1) US8964008B2 (enExample)
EP (1) EP2721443A4 (enExample)
JP (1) JP6223965B2 (enExample)
KR (1) KR101925658B1 (enExample)
CN (1) CN103608716B (enExample)
TW (1) TWI571130B (enExample)
WO (1) WO2012173998A2 (enExample)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10795457B2 (en) 2006-12-28 2020-10-06 D3D Technologies, Inc. Interactive 3D cursor
US11275242B1 (en) 2006-12-28 2022-03-15 Tipping Point Medical Images, Llc Method and apparatus for performing stereoscopic rotation of a volume on a head display unit
US11228753B1 (en) 2006-12-28 2022-01-18 Robert Edwin Douglas Method and apparatus for performing stereoscopic zooming on a head display unit
US11315307B1 (en) 2006-12-28 2022-04-26 Tipping Point Medical Images, Llc Method and apparatus for performing rotating viewpoints using a head display unit
US8941560B2 (en) * 2011-09-21 2015-01-27 Google Inc. Wearable computer with superimposed controls and instructions for external device
US20130083252A1 (en) * 2011-10-04 2013-04-04 David John Boyes Gesture recognition capable picture video frame
US20150097772A1 (en) * 2012-01-06 2015-04-09 Thad Eugene Starner Gaze Signal Based on Physical Characteristics of the Eye
KR101958778B1 (ko) * 2012-08-31 2019-03-15 엘지전자 주식회사 헤드 마운트 디스플레이 및 이를 이용한 디지털 디바이스 제어 방법
WO2014106219A1 (en) * 2012-12-31 2014-07-03 Burachas Giedrius Tomas User centric interface for interaction with visual display that recognizes user intentions
CN104020935A (zh) * 2013-02-28 2014-09-03 国际商业机器公司 用于控制显示屏上的显示对象的方法和装置
US10137361B2 (en) 2013-06-07 2018-11-27 Sony Interactive Entertainment America Llc Systems and methods for using reduced hops to generate an augmented virtual reality scene within a head mounted system
US10905943B2 (en) * 2013-06-07 2021-02-02 Sony Interactive Entertainment LLC Systems and methods for reducing hops associated with a head mounted system
US9908048B2 (en) * 2013-06-08 2018-03-06 Sony Interactive Entertainment Inc. Systems and methods for transitioning between transparent mode and non-transparent mode in a head mounted display
AU2014295814B2 (en) * 2013-07-23 2019-07-11 Ayvri Holdings Pty Ltd Geo-located activity visualisation, editing and sharing
KR102120764B1 (ko) 2013-09-16 2020-06-09 엘지전자 주식회사 포터블 디바이스 및 그 제어 방법
WO2015037784A1 (en) * 2013-09-16 2015-03-19 Lg Electronics Inc. Portable device and control method thereof
US9083860B2 (en) 2013-10-09 2015-07-14 Motorola Solutions, Inc. Method of and apparatus for automatically controlling operation of a user-mounted recording device based on user motion and event context
US9635424B2 (en) 2014-07-18 2017-04-25 Sony Interactive Entertainment America Llc Virtual high definition video player
JP2016046642A (ja) * 2014-08-21 2016-04-04 キヤノン株式会社 情報処理システム、情報処理方法及びプログラム
CN104216533B (zh) * 2014-08-28 2017-06-06 东华大学 一种基于DirectX9的头戴式虚拟现实显示器
WO2016041088A1 (en) * 2014-09-19 2016-03-24 Sulon Technologies Inc. System and method for tracking wearable peripherals in augmented reality and virtual reality applications
TWI530821B (zh) * 2014-09-25 2016-04-21 中強光電股份有限公司 頭戴式顯示系統及其操作方法
KR102309281B1 (ko) 2014-11-07 2021-10-08 삼성전자주식회사 오브젝트를 표시하는 방향 기반 전자 장치 및 방법
KR20160059765A (ko) * 2014-11-19 2016-05-27 삼성전자주식회사 전자 장치의 디스플레이 방법 및 장치
US20160210780A1 (en) * 2015-01-20 2016-07-21 Jonathan Paulovich Applying real world scale to virtual content
US10013808B2 (en) * 2015-02-03 2018-07-03 Globus Medical, Inc. Surgeon head-mounted display apparatuses
US9897806B2 (en) 2015-02-10 2018-02-20 Dreamworks Animation L.L.C. Generation of three-dimensional imagery to supplement existing content
US9721385B2 (en) * 2015-02-10 2017-08-01 Dreamworks Animation Llc Generation of three-dimensional imagery from a two-dimensional image using a depth map
US20160261908A1 (en) * 2015-03-05 2016-09-08 Htc Corporation Media streaming system and control method thereof
US10880346B2 (en) * 2015-05-27 2020-12-29 Google Llc Streaming spherical video
KR20160139461A (ko) 2015-05-27 2016-12-07 엘지전자 주식회사 헤드 마운티드 디스플레이 및 그 제어 방법
WO2016205145A1 (en) 2015-06-14 2016-12-22 Sony Interactive Entertainment Inc. Expanded field of view re-rendering for vr spectating
EP3417609A4 (en) * 2016-02-17 2019-07-17 GoPro, Inc. SYSTEM AND METHOD FOR PRESENTING AND LOOKING AT A BALLOUS VIDEOEGENCE
US10245507B2 (en) * 2016-06-13 2019-04-02 Sony Interactive Entertainment Inc. Spectator management at view locations in virtual reality environments
KR101916863B1 (ko) * 2016-06-13 2018-11-08 주식회사 네비웍스 가상현실게임제어장치 및 그 동작 방법
US20180007352A1 (en) * 2016-06-30 2018-01-04 Nokia Technologies Oy Method and apparatus for rotation and switching of video content
US10652284B2 (en) * 2016-10-12 2020-05-12 Samsung Electronics Co., Ltd. Method and apparatus for session control support for field of view virtual reality streaming
US10574939B2 (en) * 2016-10-20 2020-02-25 Sony Corporation Information processing apparatus, information processing method, and communication system
US10999602B2 (en) 2016-12-23 2021-05-04 Apple Inc. Sphere projected motion estimation/compensation and mode decision
US11259046B2 (en) 2017-02-15 2022-02-22 Apple Inc. Processing of equirectangular object data to compensate for distortion by spherical projections
US10924747B2 (en) 2017-02-27 2021-02-16 Apple Inc. Video coding techniques for multi-view video
GB2561882A (en) * 2017-04-27 2018-10-31 Nokia Technologies Oy Virtual reality viewport adaption
US11093752B2 (en) * 2017-06-02 2021-08-17 Apple Inc. Object tracking in multi-view video
US10706813B1 (en) * 2018-02-03 2020-07-07 Facebook Technologies, Llc Apparatus, system, and method for mitigating motion-to-photon latency in head-mounted displays
CN108337573A (zh) * 2018-03-26 2018-07-27 京东方科技集团股份有限公司 一种赛事实时解说的实现方法和介质
EP3821602A4 (en) * 2018-07-10 2022-05-04 Nokia Technologies Oy METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR VOLUMETRIC VIDEO CODING
US11006091B2 (en) 2018-11-27 2021-05-11 At&T Intellectual Property I, L.P. Opportunistic volumetric video editing
US11089281B2 (en) 2018-11-27 2021-08-10 At&T Intellectual Property I, L.P. Volumetric video creation from user-generated content
US11528538B2 (en) 2018-12-21 2022-12-13 Koninklijke Kpn N.V. Streaming volumetric and non-volumetric video
WO2020153946A1 (en) 2019-01-22 2020-07-30 Hewlett-Packard Development Company, L.P. Mixed reality presentation
US11012675B2 (en) 2019-04-16 2021-05-18 At&T Intellectual Property I, L.P. Automatic selection of viewpoint characteristics and trajectories in volumetric video presentations
US11074697B2 (en) 2019-04-16 2021-07-27 At&T Intellectual Property I, L.P. Selecting viewpoints for rendering in volumetric video presentations
US11153492B2 (en) 2019-04-16 2021-10-19 At&T Intellectual Property I, L.P. Selecting spectator viewpoints in volumetric video presentations of live events
US10970519B2 (en) 2019-04-16 2021-04-06 At&T Intellectual Property I, L.P. Validating objects in volumetric video presentations
US11023729B1 (en) * 2019-11-08 2021-06-01 Msg Entertainment Group, Llc Providing visual guidance for presenting visual content in a venue
US12112426B2 (en) * 2019-12-16 2024-10-08 Fraunhofer-Gessellschaft zur Förderung der angewandten Forschung EV Augmenting a view of a real-world environment with a view of a volumetric video object
US11330252B2 (en) * 2020-02-12 2022-05-10 At&T Intellectual Property I, L.P. Apparatus and method for providing content with multiplane image transcoding
US11622100B2 (en) * 2021-02-17 2023-04-04 flexxCOACH VR 360-degree virtual-reality system for dynamic events
JP7641929B2 (ja) 2022-04-20 2025-03-07 キヤノン株式会社 撮像システムの制御装置および制御方法、ならびに撮像システム
US12267482B2 (en) * 2022-08-31 2025-04-01 Snap Inc. Controlling and editing presentation of volumetric content
US12282604B2 (en) 2022-08-31 2025-04-22 Snap Inc. Touch-based augmented reality experience
US12322052B2 (en) 2022-08-31 2025-06-03 Snap Inc. Mixing and matching volumetric contents for new augmented reality experiences
US12449891B2 (en) 2022-08-31 2025-10-21 Snap Inc. Timelapse re-experiencing system
US12417593B2 (en) 2022-08-31 2025-09-16 Snap Inc. Generating immersive augmented reality experiences from existing images and videos
US20240071007A1 (en) * 2022-08-31 2024-02-29 Snap Inc. Multi-dimensional experience presentation using augmented reality

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696892A (en) * 1992-07-10 1997-12-09 The Walt Disney Company Method and apparatus for providing animation in a three-dimensional computer generated virtual world using a succession of textures derived from temporally related source images
US20080261693A1 (en) * 2008-05-30 2008-10-23 Sony Computer Entertainment America Inc. Determination of controller three-dimensional location using image analysis and ultrasonic communication

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6008781A (en) 1992-10-22 1999-12-28 Board Of Regents Of The University Of Washington Virtual retinal display
JPH086708A (ja) * 1994-04-22 1996-01-12 Canon Inc 表示装置
WO1996005532A1 (en) * 1994-08-10 1996-02-22 Virtuality (Ip) Limited Head mounted display optics
DE69531583T2 (de) * 1994-10-14 2004-06-24 Canon K.K. Bildverarbeitungsverfahren und -gerät
JPH08116556A (ja) * 1994-10-14 1996-05-07 Canon Inc 画像処理方法および装置
US6327381B1 (en) 1994-12-29 2001-12-04 Worldscape, Llc Image transformation and synthesis methods
KR19980023727U (ko) * 1996-10-31 1998-07-25 배순훈 지문인식을 이용한 자동차 도어 열림장치
KR20020025301A (ko) 2000-09-28 2002-04-04 오길록 다중 사용자를 지원하는 파노라믹 이미지를 이용한증강현실 영상의 제공 장치 및 그 방법
JP2003244728A (ja) * 2002-02-15 2003-08-29 Mitsubishi Heavy Ind Ltd 仮想映像作成装置及び仮想映像作成方法
AU2003291304A1 (en) 2002-11-06 2004-06-03 Julius Lin Virtual workstation
US7352340B2 (en) 2002-12-20 2008-04-01 Global Imagination Display system having a three-dimensional convex display surface
AU2004237202A1 (en) * 2003-04-30 2004-11-18 D4D Technologies, Llc Intra-oral imaging system
US7190496B2 (en) 2003-07-24 2007-03-13 Zebra Imaging, Inc. Enhanced environment visualization using holographic stereograms
US7814436B2 (en) * 2003-07-28 2010-10-12 Autodesk, Inc. 3D scene orientation indicator system with scene orientation change capability
JP4373286B2 (ja) * 2004-05-06 2009-11-25 オリンパス株式会社 頭部装着型表示装置
US20060176242A1 (en) * 2005-02-08 2006-08-10 Blue Belt Technologies, Inc. Augmented reality device and method
US7925391B2 (en) * 2005-06-02 2011-04-12 The Boeing Company Systems and methods for remote display of an enhanced image
CN1877390A (zh) * 2005-06-08 2006-12-13 大学光学科技股份有限公司 具有数字内容显示的焦距可调整的头戴式显示系统及用于实现该系统的装置
US7843449B2 (en) 2006-09-20 2010-11-30 Apple Inc. Three-dimensional display system
US9323055B2 (en) * 2006-05-26 2016-04-26 Exelis, Inc. System and method to display maintenance and operational instructions of an apparatus using augmented reality
US20100110368A1 (en) 2008-11-02 2010-05-06 David Chaum System and apparatus for eyeglass appliance platform
US20100128112A1 (en) 2008-11-26 2010-05-27 Samsung Electronics Co., Ltd Immersive display system for interacting with three-dimensional content
KR101647722B1 (ko) * 2009-11-13 2016-08-23 엘지전자 주식회사 영상표시장치 및 그 동작방법
US8836771B2 (en) * 2011-04-26 2014-09-16 Echostar Technologies L.L.C. Apparatus, systems and methods for shared viewing experience using head mounted displays

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696892A (en) * 1992-07-10 1997-12-09 The Walt Disney Company Method and apparatus for providing animation in a three-dimensional computer generated virtual world using a succession of textures derived from temporally related source images
US20080261693A1 (en) * 2008-05-30 2008-10-23 Sony Computer Entertainment America Inc. Determination of controller three-dimensional location using image analysis and ultrasonic communication

Also Published As

Publication number Publication date
JP2014525049A (ja) 2014-09-25
CN103608716B (zh) 2016-03-30
KR20140033144A (ko) 2014-03-17
EP2721443A2 (en) 2014-04-23
EP2721443A4 (en) 2015-04-22
WO2012173998A2 (en) 2012-12-20
TW201301892A (zh) 2013-01-01
JP6223965B2 (ja) 2017-11-01
KR101925658B1 (ko) 2019-02-27
CN103608716A (zh) 2014-02-26
WO2012173998A3 (en) 2013-07-11
US8964008B2 (en) 2015-02-24
US20120320169A1 (en) 2012-12-20

Similar Documents

Publication Publication Date Title
TWI571130B (zh) 體積式視訊呈現
CN115700433B (zh) 用于交互式三维预览的系统和方法
US12022357B1 (en) Content presentation and layering across multiple devices
US10497175B2 (en) Augmented reality virtual monitor
US9024844B2 (en) Recognition of image on external display
CN106537261B (zh) 全息键盘显示
US10078917B1 (en) Augmented reality simulation
RU2677593C2 (ru) Привлечение взгляда зрителей устройств отображения
US20190187876A1 (en) Three dimensional digital content editing in virtual reality
US20130141419A1 (en) Augmented reality with realistic occlusion
JP7503122B2 (ja) 位置に基づくゲームプレイコンパニオンアプリケーションへユーザの注目を向ける方法及びシステム
CN109407821B (zh) 与虚拟现实视频的协作交互
JP2016526957A (ja) 三次元ゲームプレイの共有
CN108604175A (zh) 装置和关联方法
US11768576B2 (en) Displaying representations of environments
US20250104335A1 (en) Systems and methods of layout and presentation for creative workflows
US20250104367A1 (en) Systems and methods of layout and presentation for creative workflows
CN107810634A (zh) 用于立体增强现实的显示器
EP3619617B1 (en) Methods, systems, and media for presenting media content previews
WO2024196938A1 (en) Systems and methods for enabling an enhanced extended reality experience
CN120386505A (zh) 内容在多个电子设备上的同步显示

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees