FR2004444A1 - Lighting appts - with special fluted refracting plane plastic plate - Google Patents
Lighting appts - with special fluted refracting plane plastic plateInfo
- Publication number
- FR2004444A1 FR2004444A1 FR6908334A FR6908334A FR2004444A1 FR 2004444 A1 FR2004444 A1 FR 2004444A1 FR 6908334 A FR6908334 A FR 6908334A FR 6908334 A FR6908334 A FR 6908334A FR 2004444 A1 FR2004444 A1 FR 2004444A1
- Authority
- FR
- France
- Prior art keywords
- plate
- angle
- lighting
- plastic plate
- appts
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F21V5/00—Refractors for light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT283168A AT286445B (de) | 1968-03-21 | 1968-03-21 | Leuchte, insbesondere Beleuchtungsarmatur |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2004444A1 true FR2004444A1 (en) | 1969-11-21 |
Family
ID=3540969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6908334A Withdrawn FR2004444A1 (en) | 1968-03-21 | 1969-03-21 | Lighting appts - with special fluted refracting plane plastic plate |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT286445B (fr) |
BE (1) | BE730205A (fr) |
DE (1) | DE1910547A1 (fr) |
FR (1) | FR2004444A1 (fr) |
GB (1) | GB1198047A (fr) |
NL (1) | NL6904044A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6700712B2 (en) | 2001-11-13 | 2004-03-02 | 3M Innovative Properties Company | Multidirectional single surface optically shaped film |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011141616A1 (fr) * | 2010-05-12 | 2011-11-17 | Qvalo Oy | Accessoire de modelage de la lumière et luminaire |
-
1968
- 1968-03-21 AT AT283168A patent/AT286445B/de not_active IP Right Cessation
-
1969
- 1969-03-01 DE DE19691910547 patent/DE1910547A1/de active Pending
- 1969-03-15 NL NL6904044A patent/NL6904044A/xx unknown
- 1969-03-18 GB GB14172/69A patent/GB1198047A/en not_active Expired
- 1969-03-20 BE BE730205D patent/BE730205A/xx unknown
- 1969-03-21 FR FR6908334A patent/FR2004444A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6700712B2 (en) | 2001-11-13 | 2004-03-02 | 3M Innovative Properties Company | Multidirectional single surface optically shaped film |
Also Published As
Publication number | Publication date |
---|---|
AT286445B (de) | 1970-12-10 |
BE730205A (fr) | 1969-09-22 |
DE1910547A1 (de) | 1969-10-09 |
GB1198047A (en) | 1970-07-08 |
NL6904044A (fr) | 1969-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |