NL7805853A - Belichtingsinrichting voorzien van lichtdiffusie- en absorptiegebieden. - Google Patents
Belichtingsinrichting voorzien van lichtdiffusie- en absorptiegebieden.Info
- Publication number
- NL7805853A NL7805853A NL7805853A NL7805853A NL7805853A NL 7805853 A NL7805853 A NL 7805853A NL 7805853 A NL7805853 A NL 7805853A NL 7805853 A NL7805853 A NL 7805853A NL 7805853 A NL7805853 A NL 7805853A
- Authority
- NL
- Netherlands
- Prior art keywords
- lighting device
- light diffusion
- device equipped
- absorption areas
- absorption
- 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
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Projection-Type Copiers In General (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/812,833 US4128333A (en) | 1977-07-05 | 1977-07-05 | Light exposure device including light diffusing and absorbing regions therein |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7805853A true NL7805853A (nl) | 1979-01-09 |
Family
ID=25210751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7805853A NL7805853A (nl) | 1977-07-05 | 1978-05-30 | Belichtingsinrichting voorzien van lichtdiffusie- en absorptiegebieden. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4128333A (nl) |
JP (1) | JPS5445131A (nl) |
BE (1) | BE868698A (nl) |
CA (1) | CA1111814A (nl) |
DE (1) | DE2828746A1 (nl) |
FR (1) | FR2396988A1 (nl) |
GB (1) | GB1596886A (nl) |
IT (1) | IT1095947B (nl) |
NL (1) | NL7805853A (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4308573A (en) * | 1978-06-12 | 1981-12-29 | Esquire, Inc. | Lamp fixture including diffused low angle reflective surfaces |
US4515468A (en) * | 1983-03-25 | 1985-05-07 | Phase One Products, Corp. | Combined photographic enlarger and print developing tray |
US7950833B1 (en) | 2008-06-17 | 2011-05-31 | Genlyte Thomas Group Llc | Splay frame luminaire |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4318545Y1 (nl) * | 1964-11-21 | 1968-07-31 | ||
US3697177A (en) * | 1970-06-26 | 1972-10-10 | Addressograph Multigraph | Illuminating system for a copying machine |
-
1977
- 1977-07-05 US US05/812,833 patent/US4128333A/en not_active Expired - Lifetime
-
1978
- 1978-05-25 GB GB22820/78A patent/GB1596886A/en not_active Expired
- 1978-05-30 NL NL7805853A patent/NL7805853A/nl not_active Application Discontinuation
- 1978-06-27 IT IT24990/78A patent/IT1095947B/it active
- 1978-06-29 JP JP7920578A patent/JPS5445131A/ja active Pending
- 1978-06-30 CA CA306,662A patent/CA1111814A/en not_active Expired
- 1978-06-30 DE DE19782828746 patent/DE2828746A1/de not_active Withdrawn
- 1978-07-04 BE BE2057111A patent/BE868698A/xx not_active IP Right Cessation
- 1978-07-05 FR FR7820018A patent/FR2396988A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2828746A1 (de) | 1979-01-25 |
US4128333A (en) | 1978-12-05 |
IT7824990A0 (it) | 1978-06-27 |
IT1095947B (it) | 1985-08-17 |
BE868698A (fr) | 1978-11-03 |
FR2396988A1 (fr) | 1979-02-02 |
FR2396988B3 (nl) | 1981-03-06 |
GB1596886A (en) | 1981-09-03 |
CA1111814A (en) | 1981-11-03 |
JPS5445131A (en) | 1979-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |