FR2482701B1 - - Google Patents
Info
- Publication number
- FR2482701B1 FR2482701B1 FR8010919A FR8010919A FR2482701B1 FR 2482701 B1 FR2482701 B1 FR 2482701B1 FR 8010919 A FR8010919 A FR 8010919A FR 8010919 A FR8010919 A FR 8010919A FR 2482701 B1 FR2482701 B1 FR 2482701B1
- Authority
- FR
- France
- 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.)
- Expired
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
- F21V5/02—Refractors for light sources of prismatic shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803018557 DE3018557A1 (de) | 1980-05-14 | 1980-05-14 | Linse fuer leuchten mit lichtstarken lampen |
FR8010919A FR2482701A1 (fr) | 1980-05-14 | 1980-05-14 | Appareil d'eclairage |
NL8002807A NL8002807A (nl) | 1980-05-14 | 1980-05-14 | Lens voor een montuur voorzien van een lamp van grote sterkte. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803018557 DE3018557A1 (de) | 1980-05-14 | 1980-05-14 | Linse fuer leuchten mit lichtstarken lampen |
FR8010919A FR2482701A1 (fr) | 1980-05-14 | 1980-05-14 | Appareil d'eclairage |
NL8002807A NL8002807A (nl) | 1980-05-14 | 1980-05-14 | Lens voor een montuur voorzien van een lamp van grote sterkte. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2482701A1 FR2482701A1 (fr) | 1981-11-20 |
FR2482701B1 true FR2482701B1 (enrdf_load_stackoverflow) | 1985-04-05 |
Family
ID=27188631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8010919A Granted FR2482701A1 (fr) | 1980-05-14 | 1980-05-14 | Appareil d'eclairage |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3018557A1 (enrdf_load_stackoverflow) |
FR (1) | FR2482701A1 (enrdf_load_stackoverflow) |
NL (1) | NL8002807A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109613639B (zh) * | 2018-12-29 | 2023-12-26 | 广东德洛斯照明工业有限公司 | 一种双向非对称光栅片以及照明系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB296885A (en) * | 1927-08-19 | 1928-09-13 | Holophane Ltd | Improvements in and relating to illuminating apparatus |
US2082100A (en) * | 1933-09-07 | 1937-06-01 | Holophane Co Inc | Light spreading lens |
US2887568A (en) * | 1957-02-26 | 1959-05-19 | Holophane Co Inc | Ceiling luminaire |
US3239661A (en) * | 1962-05-09 | 1966-03-08 | Holophane Co Inc | Surface-attached luminaire |
US3344288A (en) * | 1964-06-29 | 1967-09-26 | Standard Electric Time Co | Electrical control system |
US3502865A (en) * | 1967-07-13 | 1970-03-24 | Guth Co Edwin F | Luminaire |
US3647148A (en) * | 1969-12-11 | 1972-03-07 | Holophane Co Inc | Veiling glare control with luminaires |
US3721818A (en) * | 1970-05-18 | 1973-03-20 | Ksh Inc | Ceiling mounted luminaire and light-transmitting enclosure therefor |
US4234912A (en) * | 1978-06-28 | 1980-11-18 | International Telephone And Telegraph Corporation | Luminaire for residential roadway lighting |
-
1980
- 1980-05-14 FR FR8010919A patent/FR2482701A1/fr active Granted
- 1980-05-14 DE DE19803018557 patent/DE3018557A1/de active Granted
- 1980-05-14 NL NL8002807A patent/NL8002807A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2482701A1 (fr) | 1981-11-20 |
NL8002807A (nl) | 1981-12-16 |
DE3018557A1 (de) | 1981-11-19 |
DE3018557C2 (enrdf_load_stackoverflow) | 1988-01-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |