CH511453A - Photographisches Vergrösserungsgerät - Google Patents
Photographisches VergrösserungsgerätInfo
- Publication number
- CH511453A CH511453A CH1210570A CH1210570A CH511453A CH 511453 A CH511453 A CH 511453A CH 1210570 A CH1210570 A CH 1210570A CH 1210570 A CH1210570 A CH 1210570A CH 511453 A CH511453 A CH 511453A
- Authority
- CH
- Switzerland
- Prior art keywords
- photographic enlarger
- enlarger
- photographic
- 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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691941804 DE1941804A1 (de) | 1969-08-16 | 1969-08-16 | Vergroesserungsgeraet mit optischem Kontrastangleich |
Publications (1)
Publication Number | Publication Date |
---|---|
CH511453A true CH511453A (de) | 1971-08-15 |
Family
ID=5743023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1210570A CH511453A (de) | 1969-08-16 | 1970-08-12 | Photographisches Vergrösserungsgerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US3707327A (de) |
JP (1) | JPS494328B1 (de) |
AT (1) | AT312418B (de) |
CH (1) | CH511453A (de) |
DE (1) | DE1941804A1 (de) |
FR (1) | FR2057988A5 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH582365A5 (de) * | 1975-03-24 | 1976-11-30 | Alos Ag |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1633228A (en) * | 1926-04-08 | 1927-06-21 | Elwood C Rogers | Photographic enlarger |
US3227039A (en) * | 1963-07-16 | 1966-01-04 | Simmon Brothers Inc | Density control for photographic enlargers |
-
1969
- 1969-08-16 DE DE19691941804 patent/DE1941804A1/de active Pending
-
1970
- 1970-08-05 US US61103A patent/US3707327A/en not_active Expired - Lifetime
- 1970-08-12 JP JP45070678A patent/JPS494328B1/ja active Pending
- 1970-08-12 FR FR7029722A patent/FR2057988A5/fr not_active Expired
- 1970-08-12 AT AT735770A patent/AT312418B/de not_active IP Right Cessation
- 1970-08-12 CH CH1210570A patent/CH511453A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT312418B (de) | 1973-12-27 |
FR2057988A5 (de) | 1971-05-21 |
JPS494328B1 (de) | 1974-01-31 |
DE1941804A1 (de) | 1971-02-25 |
US3707327A (en) | 1972-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |