FR67521E - Micro-viewer and projector - Google Patents
Micro-viewer and projectorInfo
- Publication number
- FR67521E FR67521E FR67521DA FR67521E FR 67521 E FR67521 E FR 67521E FR 67521D A FR67521D A FR 67521DA FR 67521 E FR67521 E FR 67521E
- Authority
- FR
- France
- Prior art keywords
- viewer
- projector
- micro
- 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
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
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR67521T | 1955-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR67521E true FR67521E (en) | 1958-03-13 |
Family
ID=8699706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR67521D Expired FR67521E (en) | 1955-02-03 | 1955-02-03 | Micro-viewer and projector |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR67521E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3216342A1 (en) * | 1982-05-03 | 1983-11-03 | Vredeborch Gmbh, Metallwarenfabrik Und Kamerawerk, 2890 Nordenham | Device for viewing film images of an X-rayed incisor |
-
1955
- 1955-02-03 FR FR67521D patent/FR67521E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3216342A1 (en) * | 1982-05-03 | 1983-11-03 | Vredeborch Gmbh, Metallwarenfabrik Und Kamerawerk, 2890 Nordenham | Device for viewing film images of an X-rayed incisor |
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