CA2058219A1 - Interactive display system - Google Patents

Interactive display system

Info

Publication number
CA2058219A1
CA2058219A1 CA002058219A CA2058219A CA2058219A1 CA 2058219 A1 CA2058219 A1 CA 2058219A1 CA 002058219 A CA002058219 A CA 002058219A CA 2058219 A CA2058219 A CA 2058219A CA 2058219 A1 CA2058219 A1 CA 2058219A1
Authority
CA
Canada
Prior art keywords
display system
interactive display
control signals
receiving
touch sensitive
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
CA002058219A
Other languages
French (fr)
Other versions
CA2058219C (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25674900&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2058219(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to CA002058219A priority Critical patent/CA2058219C/en
Priority to US07/780,052 priority patent/US5448263A/en
Priority to CA2367864A priority patent/CA2367864C/en
Priority to JP28324392A priority patent/JPH06110608A/en
Publication of CA2058219A1 publication Critical patent/CA2058219A1/en
Application granted granted Critical
Publication of CA2058219C publication Critical patent/CA2058219C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/132Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/0418Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction 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
    • G06F3/0488Interaction 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms

Abstract

An interactive display system comprising a touch sensitive display surface for sensing pressure applied thereto and in response generating control signals indicating locations of the applied pressure, a personal computer for receiving the control signals and in response generating graph images, and an LCD panel in combination with an overhead projector for receiving and projecting the graphic images onto the touch sensitive display surface at the indicated locations. The LCD
panel and overhead projector may be provided an an integral unit.
CA002058219A 1991-10-21 1991-10-21 Interactive display system Expired - Lifetime CA2058219C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002058219A CA2058219C (en) 1991-10-21 1991-10-21 Interactive display system
US07/780,052 US5448263A (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
JP28324392A JPH06110608A (en) 1991-10-21 1992-10-21 Interactive display system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002058219A CA2058219C (en) 1991-10-21 1991-10-21 Interactive display system
US07/780,052 US5448263A (en) 1991-10-21 1991-10-21 Interactive display system

Related Child Applications (1)

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

Publications (2)

Publication Number Publication Date
CA2058219A1 true CA2058219A1 (en) 1993-04-22
CA2058219C CA2058219C (en) 2002-04-02

Family

ID=25674900

Family Applications (1)

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

Country Status (3)

Country Link
US (1) US5448263A (en)
JP (1) JPH06110608A (en)
CA (1) CA2058219C (en)

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