CA2501214A1 - Systeme de retroprojection - Google Patents

Systeme de retroprojection Download PDF

Info

Publication number
CA2501214A1
CA2501214A1 CA 2501214 CA2501214A CA2501214A1 CA 2501214 A1 CA2501214 A1 CA 2501214A1 CA 2501214 CA2501214 CA 2501214 CA 2501214 A CA2501214 A CA 2501214A CA 2501214 A1 CA2501214 A1 CA 2501214A1
Authority
CA
Canada
Prior art keywords
projector
projector assembly
projection system
overhead
overhead projection
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.)
Abandoned
Application number
CA 2501214
Other languages
English (en)
Inventor
Vaughn E. Keenan
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
Smart Technologies ULC
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 Smart Technologies ULC filed Critical Smart Technologies ULC
Priority to CA 2501214 priority Critical patent/CA2501214A1/fr
Priority to PCT/CA2006/000351 priority patent/WO2006096962A1/fr
Publication of CA2501214A1 publication Critical patent/CA2501214A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
CA 2501214 2005-03-18 2005-03-18 Systeme de retroprojection Abandoned CA2501214A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA 2501214 CA2501214A1 (fr) 2005-03-18 2005-03-18 Systeme de retroprojection
PCT/CA2006/000351 WO2006096962A1 (fr) 2005-03-18 2006-03-13 Systeme de retroprojection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2501214 CA2501214A1 (fr) 2005-03-18 2005-03-18 Systeme de retroprojection

Publications (1)

Publication Number Publication Date
CA2501214A1 true CA2501214A1 (fr) 2006-09-18

Family

ID=36991230

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2501214 Abandoned CA2501214A1 (fr) 2005-03-18 2005-03-18 Systeme de retroprojection

Country Status (2)

Country Link
CA (1) CA2501214A1 (fr)
WO (1) WO2006096962A1 (fr)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8115753B2 (en) 2007-04-11 2012-02-14 Next Holdings Limited Touch screen system with hover and click input methods
US8120596B2 (en) 2004-05-21 2012-02-21 Smart Technologies Ulc Tiled touch system
US8149221B2 (en) 2004-05-07 2012-04-03 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
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
US8289299B2 (en) 2003-02-14 2012-10-16 Next Holdings Limited Touch screen signal processing
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
US8384693B2 (en) 2007-08-30 2013-02-26 Next Holdings Limited Low profile touch panel systems
US8405637B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly with convex imaging window
US8432377B2 (en) 2007-08-30 2013-04-30 Next Holdings Limited Optical touchscreen with improved illumination
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
US8456447B2 (en) 2003-02-14 2013-06-04 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
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
US9442607B2 (en) 2006-12-04 2016-09-13 Smart Technologies Inc. Interactive input system and method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2026130B1 (fr) * 2007-08-06 2010-05-26 Conen Produkte GmbH & Co.KG Fixation pour un écran de projection
WO2009070862A1 (fr) * 2007-12-05 2009-06-11 Hard Steal Security Corp. Enceinte de sécurité réglable
US11994252B2 (en) 2022-08-03 2024-05-28 Jacob Frost Magnetic plate wall mount
USD1081331S1 (en) 2022-08-03 2025-07-01 Jacob Frost Magnetic plate wall mount assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002408A (en) * 1971-10-14 1977-01-11 Gakken Co. Ltd. System and device for overhead projection
US5590944A (en) * 1989-08-28 1997-01-07 Stokes; William T. Projectable timer
FR2725825B1 (fr) * 1994-10-12 1997-01-10 Majos Jacques Dispositif de memoire asynchrone a acces sequentiel et procede de stockage et de lecture correspondant
US6179426B1 (en) * 1999-03-03 2001-01-30 3M Innovative Properties Company Integrated front projection system

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8378986B2 (en) 2000-07-05 2013-02-19 Smart Technologies Ulc Passive touch system and method of detecting user input
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
US8228304B2 (en) 2002-11-15 2012-07-24 Smart Technologies Ulc Size/scale orientation determination of a pointer in a camera-based touch system
US8508508B2 (en) 2003-02-14 2013-08-13 Next Holdings Limited Touch screen signal processing with single-point calibration
US8289299B2 (en) 2003-02-14 2012-10-16 Next Holdings Limited Touch screen signal processing
US8466885B2 (en) 2003-02-14 2013-06-18 Next Holdings Limited Touch screen signal processing
US8456447B2 (en) 2003-02-14 2013-06-04 Next Holdings Limited Touch screen signal processing
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
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
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
US8274496B2 (en) 2004-04-29 2012-09-25 Smart Technologies Ulc Dual mode touch systems
US8149221B2 (en) 2004-05-07 2012-04-03 Next Holdings Limited Touch panel display system with illumination and detection provided from a single edge
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
US8115753B2 (en) 2007-04-11 2012-02-14 Next Holdings Limited Touch screen system with hover and click input methods
US8094137B2 (en) 2007-07-23 2012-01-10 Smart Technologies Ulc System and method of detecting contact on a display
US8432377B2 (en) 2007-08-30 2013-04-30 Next Holdings Limited Optical touchscreen with improved illumination
US8384693B2 (en) 2007-08-30 2013-02-26 Next Holdings Limited Low profile touch panel systems
US8405636B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly
US8405637B2 (en) 2008-01-07 2013-03-26 Next Holdings Limited Optical position sensing system and optical position sensor assembly with convex imaging window
US8902193B2 (en) 2008-05-09 2014-12-02 Smart Technologies Ulc Interactive input system and bezel therefor
US8339378B2 (en) 2008-11-05 2012-12-25 Smart Technologies Ulc Interactive input system with multi-angle reflector

Also Published As

Publication number Publication date
WO2006096962A1 (fr) 2006-09-21

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Date Code Title Description
EEER Examination request
FZDE Dead

Effective date: 20140723