BE892716A - DOWNLIGHTING LIGHTING APPARATUS - Google Patents
DOWNLIGHTING LIGHTING APPARATUSInfo
- Publication number
- BE892716A BE892716A BE0/207722A BE207722A BE892716A BE 892716 A BE892716 A BE 892716A BE 0/207722 A BE0/207722 A BE 0/207722A BE 207722 A BE207722 A BE 207722A BE 892716 A BE892716 A BE 892716A
- Authority
- BE
- Belgium
- Prior art keywords
- downlighting
- lighting apparatus
- lighting
- downlighting lighting
- Prior art date
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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- 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
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
- F21Y2103/37—U-shaped
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813112816 DE3112816A1 (en) | 1981-03-31 | 1981-03-31 | Downlight luminaire |
Publications (1)
Publication Number | Publication Date |
---|---|
BE892716A true BE892716A (en) | 1982-07-16 |
Family
ID=6128874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/207722A BE892716A (en) | 1981-03-31 | 1982-03-31 | DOWNLIGHTING LIGHTING APPARATUS |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE892716A (en) |
DE (1) | DE3112816A1 (en) |
FR (1) | FR2503329B1 (en) |
NL (1) | NL8201308A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0135362B1 (en) * | 1983-08-12 | 1990-04-11 | COLE, Martin Terence | Optical smoke detectors |
DE4008932A1 (en) * | 1990-03-20 | 1991-09-26 | Siemens Ag | Modular lighting recessed into airport runways - has circular bases with independent light modules for directional beam |
DE29602567U1 (en) * | 1996-02-14 | 1996-05-15 | Hülsta-Werke Hüls GmbH & Co KG, 48703 Stadtlohn | Light panel |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7400450U (en) * | 1974-07-11 | Zeissl E | Reflector luminaire for fluorescent lamps | |
US2304594A (en) * | 1940-08-13 | 1942-12-08 | Pennybacker Miles | Illuminating apparatus |
GB641339A (en) * | 1948-09-03 | 1950-08-09 | British Thomson Houston Co Ltd | Electric lighting units of the lay-light type |
US2674686A (en) * | 1950-04-04 | 1954-04-06 | Research Corp | Ceiling illumination |
US2846565A (en) * | 1956-06-11 | 1958-08-05 | Honeywell Regulator Co | Photographic reflector and light source |
DE1029766B (en) * | 1956-08-22 | 1958-05-14 | Deutsche Elektronik Gmbh | Reflector in the form of a toroid with a ring or ª © -shaped luminous body, in particular a reflector with a gas discharge lamp for electrical flashlight devices |
US3152277A (en) * | 1961-07-28 | 1964-10-06 | Gen Electric | Fluorescent panel lamp louver |
DE6923876U (en) * | 1969-06-14 | 1969-12-04 | Licentia Gmbh | GRID LIGHT |
DE2411623A1 (en) * | 1974-03-11 | 1975-09-18 | Franz Wieth | Dazzle free fluorescent tubes with mirror reflectors - arranged in pairs with reduced height to save space |
DE2747346A1 (en) * | 1977-10-21 | 1979-04-26 | Christian Bartenbach | Inclined positioned square ceiling light fitting - has reflector curving in plane at right angles to diagonal of lamp tube |
-
1981
- 1981-03-31 DE DE19813112816 patent/DE3112816A1/en not_active Withdrawn
-
1982
- 1982-03-30 NL NL8201308A patent/NL8201308A/en not_active Application Discontinuation
- 1982-03-31 FR FR8205591A patent/FR2503329B1/en not_active Expired
- 1982-03-31 BE BE0/207722A patent/BE892716A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2503329A1 (en) | 1982-10-08 |
NL8201308A (en) | 1982-10-18 |
DE3112816A1 (en) | 1982-10-14 |
FR2503329B1 (en) | 1987-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2495279B1 (en) | LIGHTING APPARATUS | |
AT381376B (en) | LAMP | |
DK572382A (en) | Flat membrane-SEPARATING APPARATUS | |
BR8207121A (en) | LAMP | |
FI823044A0 (en) | LED FOER LYFTANORDNINGENS GRIPDEL | |
AT382186B (en) | SUSPENDED CEILING | |
BE894453A (en) | LIGHTING APPARATUS | |
FR2541064B1 (en) | LIGHT EMISSION APPARATUS | |
BE889180A (en) | LIGHTING APPARATUS | |
BE872667A (en) | LIGHTING DEVICE | |
FR2590102B1 (en) | LIGHTING APPARATUS FOR CINEMATOGRAPHIC VIEWS | |
FR2503329B1 (en) | DOWNLIGHTING LIGHTING APPARATUS | |
FR2523266B1 (en) | DOCUMENT LIGHTING DEVICE | |
DK572282A (en) | Flat membrane-SEPARATING APPARATUS | |
AT381120B (en) | COATING DEVICE | |
FI830185A0 (en) | TILLVARATAGANDE AV METALLER UR SKAERSTENAR | |
FI823554A0 (en) | PROCEDURE | |
BE851754A (en) | LIGHTING DEVICE | |
FI824454A0 (en) | FOERFARANDE FOER UTVINNING AV LAXATIVA FOERENINGAR UR SENNADROG | |
FR2571473B3 (en) | LIGHTING APPARATUS | |
FR2501492B1 (en) | BASE EXTENSIONER | |
DK46883D0 (en) | ILLUMINATION DEVICE | |
IT1152097B (en) | PORTABLE LAMP | |
FI822982L (en) | FOERFARANDE FOER AVLAEGSNANDE AV ARSENIK UR EN SVAVELSYRAHALTIG LOESNING | |
PT74884B (en) | ILLUMINATION APPARATUS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: THORN EMI LICHT G.M.B.H. Effective date: 19890331 |