CA2367864A1 - Interactive display apparatus for displaying computer-generated image projected thereon - Google Patents

Interactive display apparatus for displaying computer-generated image projected thereon Download PDF

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Publication number
CA2367864A1
CA2367864A1 CA002367864A CA2367864A CA2367864A1 CA 2367864 A1 CA2367864 A1 CA 2367864A1 CA 002367864 A CA002367864 A CA 002367864A CA 2367864 A CA2367864 A CA 2367864A CA 2367864 A1 CA2367864 A1 CA 2367864A1
Authority
CA
Canada
Prior art keywords
computer
screen display
display surface
pressure
control signal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002367864A
Other languages
English (en)
French (fr)
Other versions
CA2367864C (en
Inventor
David A. Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smart Technologies ULC
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA2367864A priority Critical patent/CA2367864C/en
Priority claimed from CA002058219A external-priority patent/CA2058219C/en
Publication of CA2367864A1 publication Critical patent/CA2367864A1/en
Application granted granted Critical
Publication of CA2367864C publication Critical patent/CA2367864C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
CA2367864A 1991-10-21 1991-10-21 Interactive display apparatus for displaying computer-generated image projected thereon Expired - Lifetime CA2367864C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2367864A CA2367864C (en) 1991-10-21 1991-10-21 Interactive display apparatus for displaying computer-generated image projected thereon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002058219A CA2058219C (en) 1991-10-21 1991-10-21 Interactive display system
CA2367864A CA2367864C (en) 1991-10-21 1991-10-21 Interactive display apparatus for displaying computer-generated image projected thereon

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002058219A Division CA2058219C (en) 1991-10-21 1991-10-21 Interactive display system

Publications (2)

Publication Number Publication Date
CA2367864A1 true CA2367864A1 (en) 1993-04-22
CA2367864C CA2367864C (en) 2010-05-25

Family

ID=4148972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2367864A Expired - Lifetime CA2367864C (en) 1991-10-21 1991-10-21 Interactive display apparatus for displaying computer-generated image projected thereon

Country Status (1)

Country Link
CA (1) CA2367864C (un)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2453672A (en) * 2008-10-21 2009-04-15 Promethean Ltd Registering a wireless interactive whiteboard
US8055022B2 (en) 2000-07-05 2011-11-08 Smart Technologies Ulc Passive touch system and method of detecting user input
US8089462B2 (en) 2004-01-02 2012-01-03 Smart Technologies Ulc Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US8094137B2 (en) 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
US8228304B2 (en) 2002-11-15 2012-07-24 Smart Technologies Ulc Size/scale orientation determination of a pointer in a camera-based touch system
US8274496B2 (en) 2004-04-29 2012-09-25 Smart Technologies Ulc Dual mode touch systems
US8325134B2 (en) 2003-09-16 2012-12-04 Smart Technologies Ulc Gesture recognition method and touch system incorporating the same
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
US8456451B2 (en) 2003-03-11 2013-06-04 Smart Technologies Ulc System and method for differentiating between pointers used to contact touch surface
US8456418B2 (en) 2003-10-09 2013-06-04 Smart Technologies Ulc Apparatus for determining the location of a pointer within a region of interest
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
CN104536623A (zh) * 2009-03-25 2015-04-22 上海聚然智能科技有限公司 无线光学触摸屏系统及其用途
US9442607B2 (en) 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7629967B2 (en) 2003-02-14 2009-12-08 Next Holdings Limited Touch screen signal processing
US8508508B2 (en) 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
US7538759B2 (en) 2004-05-07 2009-05-26 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
EP2135155B1 (en) 2007-04-11 2013-09-18 Next Holdings, Inc. Touch screen system with hover and click input methods
AU2008280952A1 (en) 2007-08-30 2009-03-19 Next Holdings Ltd Low profile touch panel systems
AU2008280953A1 (en) 2007-08-30 2009-03-19 Next Holdings Ltd Optical touchscreen with improved illumination
US8405636B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203535B2 (en) 2000-07-05 2012-06-19 Smart Technologies Ulc Passive touch system and method of detecting user input
US8055022B2 (en) 2000-07-05 2011-11-08 Smart Technologies Ulc Passive touch system and method of detecting user input
US8378986B2 (en) 2000-07-05 2013-02-19 Smart Technologies Ulc Passive touch system and method of detecting user input
US8228304B2 (en) 2002-11-15 2012-07-24 Smart Technologies Ulc Size/scale orientation determination of a pointer in a camera-based touch system
US8456451B2 (en) 2003-03-11 2013-06-04 Smart Technologies Ulc System and method for differentiating between pointers used to contact touch surface
US8325134B2 (en) 2003-09-16 2012-12-04 Smart Technologies Ulc Gesture recognition method and touch system incorporating the same
US8456418B2 (en) 2003-10-09 2013-06-04 Smart Technologies Ulc Apparatus for determining the location of a pointer within a region of interest
US8576172B2 (en) 2004-01-02 2013-11-05 Smart Technologies Ulc Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US8089462B2 (en) 2004-01-02 2012-01-03 Smart Technologies Ulc Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region
US8274496B2 (en) 2004-04-29 2012-09-25 Smart Technologies Ulc Dual mode touch systems
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
US9442607B2 (en) 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method
US8094137B2 (en) 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
GB2453672B (en) * 2008-10-21 2009-09-16 Promethean Ltd Registration for interactive whiteboard
GB2453672A (en) * 2008-10-21 2009-04-15 Promethean Ltd Registering a wireless interactive whiteboard
EP2180397A3 (en) * 2008-10-21 2014-03-05 Promethean Limited Registration for interactive whiteboard
EP2180397A2 (en) * 2008-10-21 2010-04-28 Promethean Limited Registration for interactive whiteboard
US9141226B2 (en) 2008-10-21 2015-09-22 Promethean Limited Registration for interactive whiteboard
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector
CN104536623A (zh) * 2009-03-25 2015-04-22 上海聚然智能科技有限公司 无线光学触摸屏系统及其用途

Also Published As

Publication number Publication date
CA2367864C (en) 2010-05-25

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