FR1490116A - Perfectionnements apportés aux fenêtres optiques de projection - Google Patents
Perfectionnements apportés aux fenêtres optiques de projectionInfo
- Publication number
- FR1490116A FR1490116A FR73643A FR73643A FR1490116A FR 1490116 A FR1490116 A FR 1490116A FR 73643 A FR73643 A FR 73643A FR 73643 A FR73643 A FR 73643A FR 1490116 A FR1490116 A FR 1490116A
- Authority
- FR
- France
- Prior art keywords
- optical projection
- projection windows
- windows
- optical
- projection
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/46—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
- G03B27/475—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers copying cinematographic film
-
- 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
- G03B1/00—Film strip handling
- G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
-
- 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
- G03B1/00—Film strip handling
- G03B1/56—Threading; Loop forming
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR73643A FR1490116A (fr) | 1966-08-19 | 1966-08-19 | Perfectionnements apportés aux fenêtres optiques de projection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR73643A FR1490116A (fr) | 1966-08-19 | 1966-08-19 | Perfectionnements apportés aux fenêtres optiques de projection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1490116A true FR1490116A (fr) | 1967-07-28 |
Family
ID=8615698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR73643A Expired FR1490116A (fr) | 1966-08-19 | 1966-08-19 | Perfectionnements apportés aux fenêtres optiques de projection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1490116A (fr) |
-
1966
- 1966-08-19 FR FR73643A patent/FR1490116A/fr not_active Expired
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