CA2382253C - Systeme de projection d'images et methode d'utilisation de ce systeme - Google Patents

Systeme de projection d'images et methode d'utilisation de ce systeme Download PDF

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Publication number
CA2382253C
CA2382253C CA 2382253 CA2382253A CA2382253C CA 2382253 C CA2382253 C CA 2382253C CA 2382253 CA2382253 CA 2382253 CA 2382253 A CA2382253 A CA 2382253A CA 2382253 C CA2382253 C CA 2382253C
Authority
CA
Canada
Prior art keywords
projection
images
screen unit
image
screens
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.)
Expired - Fee Related
Application number
CA 2382253
Other languages
English (en)
Other versions
CA2382253A1 (fr
Inventor
Allan Safran
Warren Stelman
Trent 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.)
Digital Advertising Network Inc
Original Assignee
Digital Advertising Network Inc
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 Digital Advertising Network Inc filed Critical Digital Advertising Network Inc
Priority to CA 2382253 priority Critical patent/CA2382253C/fr
Publication of CA2382253A1 publication Critical patent/CA2382253A1/fr
Application granted granted Critical
Publication of CA2382253C publication Critical patent/CA2382253C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CA 2382253 2001-09-26 2002-04-18 Systeme de projection d'images et methode d'utilisation de ce systeme Expired - Fee Related CA2382253C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2382253 CA2382253C (fr) 2001-09-26 2002-04-18 Systeme de projection d'images et methode d'utilisation de ce systeme

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2,357,910 2001-09-26
CA2357910 2001-09-26
CA 2382253 CA2382253C (fr) 2001-09-26 2002-04-18 Systeme de projection d'images et methode d'utilisation de ce systeme

Publications (2)

Publication Number Publication Date
CA2382253A1 CA2382253A1 (fr) 2003-03-26
CA2382253C true CA2382253C (fr) 2005-09-06

Family

ID=25682732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2382253 Expired - Fee Related CA2382253C (fr) 2001-09-26 2002-04-18 Systeme de projection d'images et methode d'utilisation de ce systeme

Country Status (1)

Country Link
CA (1) CA2382253C (fr)

Also Published As

Publication number Publication date
CA2382253A1 (fr) 2003-03-26

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