ES516542A0 - "A LIGHT DISPERSION DEVICE" - Google Patents
"A LIGHT DISPERSION DEVICE"Info
- Publication number
- ES516542A0 ES516542A0 ES516542A ES516542A ES516542A0 ES 516542 A0 ES516542 A0 ES 516542A0 ES 516542 A ES516542 A ES 516542A ES 516542 A ES516542 A ES 516542A ES 516542 A0 ES516542 A0 ES 516542A0
- Authority
- ES
- Spain
- Prior art keywords
- dispersion device
- light dispersion
- light
- dispersion
- 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.)
- Granted
Links
- 239000006185 dispersion Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Polarising Elements (AREA)
- Laminated Bodies (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE119981 | 1981-10-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES516542A0 true ES516542A0 (en) | 1983-08-01 |
ES8308121A1 ES8308121A1 (en) | 1983-08-01 |
Family
ID=3768322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES82516542A Expired ES8308121A1 (en) | 1981-10-16 | 1982-10-15 | Light dispersion apparatus. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0091448A4 (en) |
JP (1) | JPS58501739A (en) |
AU (1) | AU8996182A (en) |
ES (1) | ES8308121A1 (en) |
IT (1) | IT1191035B (en) |
WO (1) | WO1983001516A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2590652B1 (en) * | 1985-11-27 | 1988-11-18 | Cit Alcatel | ANTIREVERBERATORY DEVICE FOR SIGNAL LIGHT |
AU7041191A (en) * | 1989-11-10 | 1991-06-13 | Memotech Computers Limited | Optical image processing |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2398624A (en) * | 1943-12-17 | 1946-04-16 | Pennsylvania Railroad Co | Light transmitting element |
US2745001A (en) * | 1951-12-15 | 1956-05-08 | Edwin F Guth | Light diffusors for illuminating devices |
US2913576A (en) * | 1957-03-18 | 1959-11-17 | Curtis Lighting Inc | Louver-diffuser |
GB1275094A (en) * | 1968-08-22 | 1972-05-24 | Nippon Selfoc Co Ltd | Optical device for transmitting an image |
NL7309384A (en) * | 1973-07-05 | 1975-01-07 | Philips Nv | FIBER SHEET WITH A REGULAR STACKING OF RECTANGULAR FIBERS. |
US4184762A (en) * | 1978-06-16 | 1980-01-22 | Oscar Guzman | Variable definition projection systems |
-
1982
- 1982-10-15 ES ES82516542A patent/ES8308121A1/en not_active Expired
- 1982-10-15 WO PCT/AU1982/000171 patent/WO1983001516A1/en not_active Application Discontinuation
- 1982-10-15 AU AU89961/82A patent/AU8996182A/en not_active Abandoned
- 1982-10-15 EP EP19820903033 patent/EP0091448A4/en not_active Withdrawn
- 1982-10-15 IT IT23772/82A patent/IT1191035B/en active
- 1982-10-15 JP JP57503104A patent/JPS58501739A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0091448A1 (en) | 1983-10-19 |
AU8996182A (en) | 1983-05-05 |
IT8223772A0 (en) | 1982-10-15 |
JPS58501739A (en) | 1983-10-13 |
ES8308121A1 (en) | 1983-08-01 |
IT1191035B (en) | 1988-02-24 |
WO1983001516A1 (en) | 1983-04-28 |
EP0091448A4 (en) | 1984-03-14 |
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