BE770272A - Systeme d'observation optique - Google Patents
Systeme d'observation optiqueInfo
- Publication number
- BE770272A BE770272A BE770272A BE770272A BE770272A BE 770272 A BE770272 A BE 770272A BE 770272 A BE770272 A BE 770272A BE 770272 A BE770272 A BE 770272A BE 770272 A BE770272 A BE 770272A
- Authority
- BE
- Belgium
- Prior art keywords
- observation system
- optical observation
- optical
- observation
- Prior art date
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
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82923169A | 1969-06-02 | 1969-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE770272A true BE770272A (fr) | 1971-12-01 |
Family
ID=25253917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE770272A BE770272A (fr) | 1969-06-02 | 1971-07-20 | Systeme d'observation optique |
Country Status (2)
Country | Link |
---|---|
US (1) | US3609036A (fr) |
BE (1) | BE770272A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3878330A (en) * | 1974-04-01 | 1975-04-15 | Mosler Safe Co | Optical viewing system |
US4077710A (en) * | 1976-02-03 | 1978-03-07 | Eastman Kodak Company | Lens shift mechanism |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1583979A (en) * | 1924-01-31 | 1926-05-11 | Charles A Lare | Combined photographic printer and enlarger |
US2515104A (en) * | 1949-04-19 | 1950-07-11 | Joseph B Walker | Lens adjusting mechanism |
-
1969
- 1969-06-02 US US829231A patent/US3609036A/en not_active Expired - Lifetime
-
1971
- 1971-07-20 BE BE770272A patent/BE770272A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US3609036A (en) | 1971-09-28 |
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