CA2211709C - Projecteur de diapositives - Google Patents

Projecteur de diapositives

Info

Publication number
CA2211709C
CA2211709C CA002211709A CA2211709A CA2211709C CA 2211709 C CA2211709 C CA 2211709C CA 002211709 A CA002211709 A CA 002211709A CA 2211709 A CA2211709 A CA 2211709A CA 2211709 C CA2211709 C CA 2211709C
Authority
CA
Canada
Prior art keywords
slide
slides
housing
projector
projector assembly
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
CA002211709A
Other languages
English (en)
Other versions
CA2211709A1 (fr
Inventor
Wayne G. Fromm
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.)
Individual
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 CA002211709A priority Critical patent/CA2211709C/fr
Publication of CA2211709A1 publication Critical patent/CA2211709A1/fr
Application granted granted Critical
Publication of CA2211709C publication Critical patent/CA2211709C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03B21/001—Slide projectors
    • 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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/06—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
    • G09B11/06—Devices involving the use of transparent or translucent tracing material, e.g. copy books

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
CA002211709A 1997-07-28 1997-07-28 Projecteur de diapositives Expired - Fee Related CA2211709C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002211709A CA2211709C (fr) 1997-07-28 1997-07-28 Projecteur de diapositives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002211709A CA2211709C (fr) 1997-07-28 1997-07-28 Projecteur de diapositives

Publications (2)

Publication Number Publication Date
CA2211709A1 CA2211709A1 (fr) 1997-12-06
CA2211709C true CA2211709C (fr) 1999-11-02

Family

ID=4161131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002211709A Expired - Fee Related CA2211709C (fr) 1997-07-28 1997-07-28 Projecteur de diapositives

Country Status (1)

Country Link
CA (1) CA2211709C (fr)

Also Published As

Publication number Publication date
CA2211709A1 (fr) 1997-12-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed