CA2211709C - Projecteur de diapositives - Google Patents
Projecteur de diapositivesInfo
- 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
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)
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) |
-
1997
- 1997-07-28 CA CA002211709A patent/CA2211709C/fr not_active Expired - Fee Related
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 |