JPS4866837A - - Google Patents
Info
- Publication number
- JPS4866837A JPS4866837A JP47126069A JP12606972A JPS4866837A JP S4866837 A JPS4866837 A JP S4866837A JP 47126069 A JP47126069 A JP 47126069A JP 12606972 A JP12606972 A JP 12606972A JP S4866837 A JPS4866837 A JP S4866837A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20799271A | 1971-12-14 | 1971-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4866837A true JPS4866837A (enExample) | 1973-09-13 |
Family
ID=22772801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47126069A Pending JPS4866837A (enExample) | 1971-12-14 | 1972-12-14 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3756712A (enExample) |
| JP (1) | JPS4866837A (enExample) |
| DE (1) | DE2258591A1 (enExample) |
| FR (1) | FR2167030A5 (enExample) |
| GB (1) | GB1384334A (enExample) |
| IT (1) | IT971138B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102335U (enExample) * | 1974-01-25 | 1975-08-23 | ||
| JPS53125022A (en) * | 1977-02-17 | 1978-11-01 | Durst Ag | Illumination device for color enlarger and color copier |
| JPH02149933U (enExample) * | 1989-05-24 | 1990-12-21 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1008638B (it) * | 1973-01-13 | 1976-11-30 | Beger R | Mirino di illuminazione per appa recchi i ingrandimento fotografico |
| US3927941A (en) * | 1973-07-03 | 1975-12-23 | Minolta Camera Kk | Photographic enlarger mixing box |
| US3880520A (en) * | 1973-11-23 | 1975-04-29 | Berkey Photo Inc | Color enlarger and illuminating system therefor |
| PL91140B1 (enExample) * | 1973-12-17 | 1977-02-28 | Centraine Laboratorium Optykipo | |
| GB1552459A (en) * | 1976-07-26 | 1979-09-12 | Durst Uk Ltd | Ullumination system for a photographic copying apparatus |
| US4129372A (en) * | 1976-08-17 | 1978-12-12 | Vivitar Corporation | Light mixing apparatus and photographic enlarger embodying same |
| US4274131A (en) * | 1979-06-14 | 1981-06-16 | Vivitar Corporation | Light diffusing means for a photographic enlarger |
| US4240738A (en) * | 1979-06-14 | 1980-12-23 | Vivitar Corporation | Light mixing system for a photographic enlarger |
| IT1120396B (it) * | 1979-09-18 | 1986-03-19 | Durst Spa Fabbrica Macchine Ed | Dispositivo di filtratura per un ingranditore o riproduttore fotografico |
| FR2503396A1 (fr) * | 1981-04-03 | 1982-10-08 | Kis France Sa | Filtre soustractif pour le tirage de film photographique en couleurs |
| DE3319399A1 (de) * | 1983-05-28 | 1984-11-29 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Lichtmischkammer fuer ein fotografisches vergroesserungs- oder kopiergeraet |
| DE102005036275A1 (de) * | 2005-08-02 | 2007-02-08 | Berchtold Holding Gmbh | Operationsleuchte |
| DE102009053422A1 (de) * | 2009-11-19 | 2011-06-01 | Erco Gmbh | Linsenelement für eine Lichtquelle u. a. |
| US10053006B1 (en) * | 2017-01-31 | 2018-08-21 | Ford Global Technologies, Llc | Illuminated assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1080543A (en) * | 1964-08-28 | 1967-08-23 | Pavelle Ltd | Improvements in or relating to photographic colour printing apparatus |
| GB1155655A (en) * | 1966-05-06 | 1969-06-18 | Meopta Narodni Podnik | Photographic Enlarging Apparatus |
| US3469914A (en) * | 1966-11-04 | 1969-09-30 | Charles Leslie Thomson | Enlarger head for use with variable contrast paper |
-
1971
- 1971-12-14 US US00207992A patent/US3756712A/en not_active Expired - Lifetime
-
1972
- 1972-10-24 GB GB4884172A patent/GB1384334A/en not_active Expired
- 1972-11-23 IT IT31997/72A patent/IT971138B/it active
- 1972-11-30 DE DE19722258591 patent/DE2258591A1/de active Pending
- 1972-12-14 JP JP47126069A patent/JPS4866837A/ja active Pending
- 1972-12-14 FR FR7244491A patent/FR2167030A5/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50102335U (enExample) * | 1974-01-25 | 1975-08-23 | ||
| JPS53125022A (en) * | 1977-02-17 | 1978-11-01 | Durst Ag | Illumination device for color enlarger and color copier |
| JPH02149933U (enExample) * | 1989-05-24 | 1990-12-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT971138B (it) | 1974-04-30 |
| US3756712A (en) | 1973-09-04 |
| GB1384334A (en) | 1975-02-19 |
| FR2167030A5 (enExample) | 1973-08-17 |
| DE2258591A1 (de) | 1973-06-28 |