GB1389972A - Illumination device - Google Patents
Illumination deviceInfo
- Publication number
- GB1389972A GB1389972A GB1020373A GB1020373A GB1389972A GB 1389972 A GB1389972 A GB 1389972A GB 1020373 A GB1020373 A GB 1020373A GB 1020373 A GB1020373 A GB 1020373A GB 1389972 A GB1389972 A GB 1389972A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- light
- diffusing
- source
- march
- 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
- 238000005286 illumination Methods 0.000 title 1
- 239000011888 foil Substances 0.000 abstract 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000003365 glass fiber Substances 0.000 abstract 1
- 229910052740 iodine Inorganic materials 0.000 abstract 1
- 239000011630 iodine Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2210300A DE2210300C3 (de) | 1972-03-03 | 1972-03-03 | Fotografische Belichtungsleuchte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1389972A true GB1389972A (en) | 1975-04-09 |
Family
ID=5837838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1020373A Expired GB1389972A (en) | 1972-03-03 | 1973-03-02 | Illumination device |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2210300C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2175035B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1389972A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1552459A (en) * | 1976-07-26 | 1979-09-12 | Durst Uk Ltd | Ullumination system for a photographic copying apparatus |
| DE10012968B4 (de) * | 2000-03-16 | 2006-09-14 | Siteco Beleuchtungstechnik Gmbh | Deckenleuchte mit Reflektor |
-
1972
- 1972-03-03 DE DE2210300A patent/DE2210300C3/de not_active Expired
-
1973
- 1973-03-02 GB GB1020373A patent/GB1389972A/en not_active Expired
- 1973-03-05 FR FR7307794A patent/FR2175035B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175035A1 (enrdf_load_stackoverflow) | 1973-10-19 |
| FR2175035B3 (enrdf_load_stackoverflow) | 1976-03-05 |
| DE2210300C3 (de) | 1978-07-06 |
| DE2210300B2 (de) | 1977-11-10 |
| DE2210300A1 (de) | 1973-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |