GB1585779A - Illumination system for a photographic enlarging or printing apparatus - Google Patents
Illumination system for a photographic enlarging or printing apparatus Download PDFInfo
- Publication number
- GB1585779A GB1585779A GB35257/77A GB3525777A GB1585779A GB 1585779 A GB1585779 A GB 1585779A GB 35257/77 A GB35257/77 A GB 35257/77A GB 3525777 A GB3525777 A GB 3525777A GB 1585779 A GB1585779 A GB 1585779A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- illuminating system
- sections
- shaft
- mixing shaft
- 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
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/545—Lamp housings; Illuminating means for enlargers
- G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT04846/76A IT1070517B (it) | 1976-08-24 | 1976-08-24 | Dispositivo d'illuminazione conmezzi per la mescelazione della luce sopratutto per apparecchi per l ingrandimento fotografico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1585779A true GB1585779A (en) | 1981-03-11 |
Family
ID=11114903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35257/77A Expired GB1585779A (en) | 1976-08-24 | 1977-08-23 | Illumination system for a photographic enlarging or printing apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4131362A (enExample) |
| DE (1) | DE2728547C2 (enExample) |
| FR (1) | FR2363130A1 (enExample) |
| GB (1) | GB1585779A (enExample) |
| IT (1) | IT1070517B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1072361B (it) * | 1977-02-17 | 1985-04-10 | Durst Fabbrica Macchine Ed App | Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori |
| 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 |
| EP0033595A1 (en) * | 1980-02-05 | 1981-08-12 | James Railton Denner | Camera |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1097211A (en) * | 1913-07-09 | 1914-05-19 | Schmidt & Haensch Franz | Illuminating apparatus for photographic cameras. |
| FR803014A (fr) * | 1936-03-09 | 1936-09-21 | Boîte à lumière pour l'agrandissement photographique | |
| US2294580A (en) * | 1939-11-25 | 1942-09-01 | Folmer Graflex Corp | Lamp house for photographic printers |
| US2530843A (en) * | 1948-01-03 | 1950-11-21 | Eugene F Hartley | Photographic enlarger |
| NL280310A (enExample) * | 1962-06-28 | |||
| DE1447459A1 (de) * | 1964-11-24 | 1968-12-19 | Agfa Gevaert Ag | Beleuchtungssystem fuer fotografisches Farbkopiergeraet |
| US3561867A (en) * | 1968-12-20 | 1971-02-09 | Berkey Photo Inc | Illuminating system for photographic printers and enlargers |
| DE1947006A1 (de) * | 1969-09-17 | 1971-03-25 | Agfa Gevaert Ag | Lichtquelle fuer Kopier- und Vergroesserungsgeraete |
| DE2163688C3 (de) * | 1971-12-22 | 1981-02-19 | Agfa-Gevaert Ag, 5090 Leverkusen | Vorrichtung zur Belichtungsregelung in einem fotografischen Kopiergerät |
-
1976
- 1976-08-24 IT IT04846/76A patent/IT1070517B/it active
-
1977
- 1977-06-24 DE DE2728547A patent/DE2728547C2/de not_active Expired
- 1977-08-17 US US05/825,293 patent/US4131362A/en not_active Expired - Lifetime
- 1977-08-23 GB GB35257/77A patent/GB1585779A/en not_active Expired
- 1977-08-24 FR FR7725775A patent/FR2363130A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2728547C2 (de) | 1986-10-16 |
| DE2728547A1 (de) | 1978-03-02 |
| IT1070517B (it) | 1985-03-29 |
| FR2363130A1 (fr) | 1978-03-24 |
| US4131362A (en) | 1978-12-26 |
| FR2363130B1 (enExample) | 1982-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3684371A (en) | Light head with interchangeable mixing chambers for high speed enlarger | |
| GB1484707A (en) | Lighting assemblies | |
| GB1384334A (en) | Illumination system for colour enlargers and the like | |
| GB1591479A (en) | Illumination device for colour copying apparatus | |
| GB1585779A (en) | Illumination system for a photographic enlarging or printing apparatus | |
| US4274131A (en) | Light diffusing means for a photographic enlarger | |
| US3132810A (en) | Photographic illumination device | |
| US3183815A (en) | Illumination device | |
| US3458254A (en) | Colour printing apparatus | |
| GB1596846A (en) | Copying apparatus | |
| GB2107888A (en) | Back-lighted copyboard having light attenuator | |
| US4466735A (en) | Half tone screen exposure apparatus | |
| US5617184A (en) | Apparatus for turning a negative film carrier | |
| US1675783A (en) | Photograph-enlarging light box | |
| US4537500A (en) | Photographic contrast control device | |
| JPS5855492B2 (ja) | マイクロフイルマ− | |
| US5500713A (en) | Color printer for printing photographs | |
| GB2017946A (en) | Removable light box | |
| EP0252159A1 (en) | Flash lighting device | |
| US3740135A (en) | Color enlarging apparatus | |
| JPS5737342A (en) | Variable magnification copying machine | |
| PL141865B1 (en) | Filter head for a photographic enlarger | |
| KR0169521B1 (ko) | 사진인화장치 | |
| US4825253A (en) | Flash illumination apparatus | |
| US20030147129A1 (en) | Device for enlarging and exposure of digital exposure data on light-sensitive photo paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950823 |