DK340374A - - Google Patents
Info
- Publication number
- DK340374A DK340374A DK340374A DK340374A DK340374A DK 340374 A DK340374 A DK 340374A DK 340374 A DK340374 A DK 340374A DK 340374 A DK340374 A DK 340374A DK 340374 A DK340374 A DK 340374A
- Authority
- DK
- Denmark
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Elements Other Than Lenses (AREA)
- Surface Treatment Of Glass (AREA)
- Joining Of Glass To Other Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2578473A IT989428B (it) | 1973-06-25 | 1973-06-25 | Perfezionamento agli elementi sferici catarifrangenti o retro collimanti per segnaletica stradale ed equivalenti impieghi e relativi elementi sferici retrocollimanti perfezionati |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK340374A true DK340374A (da) | 1975-02-10 |
Family
ID=11217725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK340374A DK340374A (da) | 1973-06-25 | 1974-06-25 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5050891A (da) |
| BE (1) | BE816830A (da) |
| CA (1) | CA1012807A (da) |
| CH (1) | CH587495A5 (da) |
| DE (1) | DE2430797A1 (da) |
| DK (1) | DK340374A (da) |
| FR (1) | FR2234574B1 (da) |
| GB (1) | GB1477175A (da) |
| IT (1) | IT989428B (da) |
| NL (1) | NL7408573A (da) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3931022A1 (de) * | 1989-09-16 | 1991-03-28 | Hommelwerke Gmbh | Optischer retroreflektor |
| NO301797B1 (no) * | 1995-12-22 | 1997-12-08 | Norsk Hydro As | Retroreflekterende platemateriale og fremgangsmåte for fremstilling av slikt materiale |
| ES2291932T3 (es) | 2003-08-29 | 2008-03-01 | Bae Systems Plc | Dispositivo retrorreflectante que comprende lentes con indice en gradiente. |
| US7224533B2 (en) * | 2004-11-08 | 2007-05-29 | Hewlett-Packard Development Company, L.P. | Optically retro-reflecting sphere |
| WO2009085550A1 (en) * | 2007-12-21 | 2009-07-09 | 3M Innovative Properties Company | Retroreflective pavement markings |
| WO2009082644A1 (en) * | 2007-12-21 | 2009-07-02 | 3M Innovative Properties Company | Retroreflective articles and retroreflective elements comprising a spherical core and two concentric optical interference layers |
| TWI562891B (en) | 2013-09-27 | 2016-12-21 | Rohm & Haas | Optical effect coating |
| WO2017098222A1 (en) | 2015-12-09 | 2017-06-15 | Bae Systems Plc | Improvements in and relating to remote sensing |
| GB201521693D0 (en) * | 2015-12-09 | 2016-01-20 | Bae Systems Plc | Improvements in and relating to remote sensing |
| WO2017098223A1 (en) | 2015-12-09 | 2017-06-15 | Bae Systems Plc | Improvements in and relating to remote sensing |
-
1973
- 1973-06-25 IT IT2578473A patent/IT989428B/it active
-
1974
- 1974-06-20 CH CH846674A patent/CH587495A5/xx not_active IP Right Cessation
- 1974-06-21 GB GB2761074A patent/GB1477175A/en not_active Expired
- 1974-06-24 DE DE19742430797 patent/DE2430797A1/de not_active Withdrawn
- 1974-06-24 FR FR7422913A patent/FR2234574B1/fr not_active Expired
- 1974-06-24 JP JP7146074A patent/JPS5050891A/ja active Pending
- 1974-06-25 DK DK340374A patent/DK340374A/da unknown
- 1974-06-25 BE BE145858A patent/BE816830A/xx unknown
- 1974-06-25 NL NL7408573A patent/NL7408573A/xx unknown
- 1974-06-25 CA CA203,367A patent/CA1012807A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1477175A (en) | 1977-06-22 |
| DE2430797A1 (de) | 1975-01-16 |
| NL7408573A (da) | 1974-12-30 |
| FR2234574A1 (da) | 1975-01-17 |
| JPS5050891A (da) | 1975-05-07 |
| IT989428B (it) | 1975-05-20 |
| CH587495A5 (da) | 1977-05-13 |
| BE816830A (fr) | 1974-10-16 |
| CA1012807A (en) | 1977-06-28 |
| FR2234574B1 (da) | 1978-11-24 |