FR2287709A2 - Dispositif portatif de visualisation selective d'images microfilmees - Google Patents
Dispositif portatif de visualisation selective d'images microfilmeesInfo
- Publication number
- FR2287709A2 FR2287709A2 FR7434204A FR7434204A FR2287709A2 FR 2287709 A2 FR2287709 A2 FR 2287709A2 FR 7434204 A FR7434204 A FR 7434204A FR 7434204 A FR7434204 A FR 7434204A FR 2287709 A2 FR2287709 A2 FR 2287709A2
- Authority
- FR
- France
- Prior art keywords
- microfilm
- microfiche
- viewer
- row
- enlarging elements
- 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
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
- G03B25/00—Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7434204A FR2287709A2 (fr) | 1974-10-11 | 1974-10-11 | Dispositif portatif de visualisation selective d'images microfilmees |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7434204A FR2287709A2 (fr) | 1974-10-11 | 1974-10-11 | Dispositif portatif de visualisation selective d'images microfilmees |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2287709A2 true FR2287709A2 (fr) | 1976-05-07 |
FR2287709B2 FR2287709B2 (fr) | 1978-06-09 |
Family
ID=9143977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7434204A Granted FR2287709A2 (fr) | 1974-10-11 | 1974-10-11 | Dispositif portatif de visualisation selective d'images microfilmees |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2287709A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143355A2 (fr) * | 1983-11-03 | 1985-06-05 | Klaus Freundt | Visionneuse portative |
-
1974
- 1974-10-11 FR FR7434204A patent/FR2287709A2/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143355A2 (fr) * | 1983-11-03 | 1985-06-05 | Klaus Freundt | Visionneuse portative |
EP0143355A3 (fr) * | 1983-11-03 | 1985-11-21 | Klaus Freundt | Visionneuse portative |
Also Published As
Publication number | Publication date |
---|---|
FR2287709B2 (fr) | 1978-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property |