DE2445365A1 - Vorrichtung zur regulierung von lichtstrahlen - Google Patents
Vorrichtung zur regulierung von lichtstrahlenInfo
- Publication number
- DE2445365A1 DE2445365A1 DE19742445365 DE2445365A DE2445365A1 DE 2445365 A1 DE2445365 A1 DE 2445365A1 DE 19742445365 DE19742445365 DE 19742445365 DE 2445365 A DE2445365 A DE 2445365A DE 2445365 A1 DE2445365 A1 DE 2445365A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- angle
- sections
- exit
- passage
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 title claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 238000000149 argon plasma sintering Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
-
- 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
- F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Traffic Control Systems (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US400253A US3894228A (en) | 1973-09-24 | 1973-09-24 | Light control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2445365A1 true DE2445365A1 (de) | 1975-03-27 |
Family
ID=23582844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742445365 Pending DE2445365A1 (de) | 1973-09-24 | 1974-09-23 | Vorrichtung zur regulierung von lichtstrahlen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3894228A (enrdf_load_stackoverflow) |
| JP (1) | JPS5060244A (enrdf_load_stackoverflow) |
| DE (1) | DE2445365A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2245001A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1019363B (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2462721A1 (fr) * | 1979-07-30 | 1981-02-13 | Radiall Sa | Dispositif pour regler le niveau de la puissance lumineuse emise a l'extremite d'une fibre optique |
| DE3605000A1 (de) * | 1985-02-22 | 1986-09-04 | Sharp Kk | Beleuchtungsvorrichtung |
| USRE40227E1 (en) | 1985-11-21 | 2008-04-08 | 3M Innovative Properties Company | Totally internally reflecting thin, flexible film |
| JPS6413609U (enrdf_load_stackoverflow) * | 1987-07-10 | 1989-01-24 | ||
| JP2574121Y2 (ja) * | 1991-12-27 | 1998-06-11 | 株式会社ニフコ | 壁材への部品固定具 |
| US5475533A (en) * | 1993-08-02 | 1995-12-12 | Applied Physics Research, L.P. | Apparatus for enhancing the brightness of an image and method of making the same |
| CH690657A5 (de) * | 1993-12-01 | 2000-11-30 | Olga Raimondi Staeuble | Richtblende für Beleuchtungskörper. |
| JPH10276131A (ja) * | 1997-03-28 | 1998-10-13 | Victor Co Of Japan Ltd | 光送受信装置 |
| EP1869362B1 (en) | 2005-04-12 | 2020-09-23 | Planmeca Oy | Operation light in particular for dental treatment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1664536A (en) * | 1926-08-24 | 1928-04-03 | Newton S Bement | Traffic light |
| US2540389A (en) * | 1946-02-21 | 1951-02-06 | Elwood Wiles | Signal light ray director |
| US2539927A (en) * | 1948-10-30 | 1951-01-30 | Ramminger William | Antiglare headlight |
| US2683799A (en) * | 1951-05-10 | 1954-07-13 | Day Brite Lighting Inc | Electric lighting fixture with louver members |
| US3275820A (en) * | 1963-12-26 | 1966-09-27 | Joseph M Szarkowski | Illuminating system |
| US3543235A (en) * | 1969-05-19 | 1970-11-24 | Gulf & Western Industries | Adjustable light beam director having removable verticle baffles |
| US3618014A (en) * | 1969-08-27 | 1971-11-02 | Minnesota Mining & Mfg | Variable indication control signal |
-
1973
- 1973-09-24 US US400253A patent/US3894228A/en not_active Expired - Lifetime
-
1974
- 1974-09-20 JP JP49108661A patent/JPS5060244A/ja active Pending
- 1974-09-23 IT IT53155/74A patent/IT1019363B/it active
- 1974-09-23 FR FR7431954A patent/FR2245001A1/fr not_active Withdrawn
- 1974-09-23 DE DE19742445365 patent/DE2445365A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1019363B (it) | 1977-11-10 |
| FR2245001A1 (enrdf_load_stackoverflow) | 1975-04-18 |
| US3894228A (en) | 1975-07-08 |
| JPS5060244A (enrdf_load_stackoverflow) | 1975-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |