NO20091210L - Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle - Google Patents

Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle

Info

Publication number
NO20091210L
NO20091210L NO20091210A NO20091210A NO20091210L NO 20091210 L NO20091210 L NO 20091210L NO 20091210 A NO20091210 A NO 20091210A NO 20091210 A NO20091210 A NO 20091210A NO 20091210 L NO20091210 L NO 20091210L
Authority
NO
Norway
Prior art keywords
codec
touch
incident
display surface
logic unit
Prior art date
Application number
NO20091210A
Other languages
English (en)
Other versions
NO332210B1 (no
Inventor
Stephen Bretherton
Anthony Mines
Original Assignee
Tandberg Telecom As
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 Tandberg Telecom As filed Critical Tandberg Telecom As
Priority to NO20091210A priority Critical patent/NO332210B1/no
Priority to EP10751063.8A priority patent/EP2428041A4/en
Priority to CN201080011698.7A priority patent/CN102577369B/zh
Priority to PCT/NO2010/000089 priority patent/WO2010104400A1/en
Priority to US12/721,149 priority patent/US20100231556A1/en
Publication of NO20091210L publication Critical patent/NO20091210L/no
Publication of NO332210B1 publication Critical patent/NO332210B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Position Input By Displaying (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

En kalibreringslogikkenhet i samsvar med den foreliggende oppfinnelsen er konfigurert til i det minste å motta kontrollsignaler fra en berøringsfølsom displayoverflate og datasignaler fra en videokonferansekodek. Kontrollsignalene fra den berøringsfølsomme displayoverflaten identifiserer en inntruffet hendelse (f.eks. et objekt som berører den berøringsfølsomme displayoverflaten), og lokasjonen (koordinater xj, yi) for den inntrufne hendelsen. Datasignalet fra videokonferansekodeken omfatter i det minste en identifikasjon av den gjeldende bildelayout anvendt av videokonferansekodeken, og regionen i layouten som inneholder et skjermbilde mottatt fra en datamaskin. Kodeken er forbundet til en prosjektør som projiserer kodekens utgang eller fremviser bildet på den berøringsfølsomme displayoverflaten. Basert på de mottatte kontrolldatasignaler og forhåndskonfigurerte kalibreringsprofiler lagret på kalibrenngslogikkenheten, beregner kalibrenngslogikkenheten et nytt sett av koordinater (x2, y2) som identifiserer den korresponderende posisjon for den inntrufne hendelse på datamaskinens lokale skjermbilde. Et kontrollsignal som identifiserer i det minste den inntrufne hendelsen og det nye settet av koordinater, genereres av kalibreringslogikkenheten og sendes til datamaskinen.
NO20091210A 2009-03-10 2009-03-23 Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle NO332210B1 (no)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO20091210A NO332210B1 (no) 2009-03-23 2009-03-23 Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle
EP10751063.8A EP2428041A4 (en) 2009-03-10 2010-03-09 INTERFACE UNIT BETWEEN A VIDEOCONFERENCE CODEC AND AN INTERACTIVE WHITEBOARD
CN201080011698.7A CN102577369B (zh) 2009-03-10 2010-03-09 在视频会议编解码器和交互白板之间的接口单元
PCT/NO2010/000089 WO2010104400A1 (en) 2009-03-10 2010-03-09 Interface unit between video conferencing codec and interactive whiteboard
US12/721,149 US20100231556A1 (en) 2009-03-10 2010-03-10 Device, system, and computer-readable medium for an interactive whiteboard system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20091210A NO332210B1 (no) 2009-03-23 2009-03-23 Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle

Publications (2)

Publication Number Publication Date
NO20091210L true NO20091210L (no) 2010-09-24
NO332210B1 NO332210B1 (no) 2012-07-30

Family

ID=40847001

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20091210A NO332210B1 (no) 2009-03-10 2009-03-23 Grensesnittenhet mellom videokonferansekodek og interaktiv whiteboard-tavle

Country Status (5)

Country Link
US (1) US20100231556A1 (no)
EP (1) EP2428041A4 (no)
CN (1) CN102577369B (no)
NO (1) NO332210B1 (no)
WO (1) WO2010104400A1 (no)

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Also Published As

Publication number Publication date
WO2010104400A1 (en) 2010-09-16
CN102577369B (zh) 2015-08-19
EP2428041A1 (en) 2012-03-14
CN102577369A (zh) 2012-07-11
EP2428041A4 (en) 2013-08-28
NO332210B1 (no) 2012-07-30
US20100231556A1 (en) 2010-09-16

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