FR2441797A1 - Perfectionnements apportes a l'eclairage de locaux - Google Patents
Perfectionnements apportes a l'eclairage de locauxInfo
- Publication number
- FR2441797A1 FR2441797A1 FR7832106A FR7832106A FR2441797A1 FR 2441797 A1 FR2441797 A1 FR 2441797A1 FR 7832106 A FR7832106 A FR 7832106A FR 7832106 A FR7832106 A FR 7832106A FR 2441797 A1 FR2441797 A1 FR 2441797A1
- Authority
- FR
- France
- Prior art keywords
- light level
- photocells
- light
- dependent
- provides
- 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- Withdrawn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
- 230000001419 dependent effect Effects 0.000 title 1
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 230000004313 glare Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/34—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles
- E04B9/345—Grid-like or open-work ceilings, e.g. lattice type box-like modules, acoustic baffles consisting of non-parallel slats, e.g. grids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
-
- 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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
-
- 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
Abstract
ON UTILISE UNE INSTALLATION 3 D'ECLAIRAGE DIFFUS PAR LE PLAFOND ET ON MUNIT LES BAIES 2 DE DISPOSITIFS 6 D'OCCULTATIONS VARIABLES. ON REGLE L'ENSEMBLE DE L'ECLAIRAGE AU NIVEAU VOULU AU MOYEN D'UN GRADATEUR 50 COMMANDE PAR DES DETECTEURS 5 QUI INTEGRENT LA LUMINOSITE RESULTANTE DE L'ECLAIRAGE ARTIFICIEL ET DE L'ECLAIRAGE PAR LES BAIES. APPLICATION, NOTAMMENT, AUX LOCAUX DESTINES A RECEVOIR DES POSTES DE TRAVAIL EQUIPES D'ECRANS TELS QUE DES ECRANS CATHODIQUES OU DES VISIONNEUSES.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7832106A FR2441797A1 (fr) | 1978-11-14 | 1978-11-14 | Perfectionnements apportes a l'eclairage de locaux |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7832106A FR2441797A1 (fr) | 1978-11-14 | 1978-11-14 | Perfectionnements apportes a l'eclairage de locaux |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2441797A1 true FR2441797A1 (fr) | 1980-06-13 |
Family
ID=9214849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832106A Withdrawn FR2441797A1 (fr) | 1978-11-14 | 1978-11-14 | Perfectionnements apportes a l'eclairage de locaux |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2441797A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102537704A (zh) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | 防眩光灯具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB669993A (en) * | 1948-08-09 | 1952-04-09 | Benjamin Electric Mfg Co | Improvements in and relating to lighting fittings |
US2659807A (en) * | 1949-05-16 | 1953-11-17 | F W Wakefield Brass Company | Combination luminous and acoustical ceiling |
DE1154774B (de) * | 1962-02-06 | 1963-09-26 | Bbc Brown Boveri & Cie | Beleuchtungseinrichtung fuer eine gegen Reflexblendung geschuetzte Schaltwarte |
-
1978
- 1978-11-14 FR FR7832106A patent/FR2441797A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB669993A (en) * | 1948-08-09 | 1952-04-09 | Benjamin Electric Mfg Co | Improvements in and relating to lighting fittings |
US2659807A (en) * | 1949-05-16 | 1953-11-17 | F W Wakefield Brass Company | Combination luminous and acoustical ceiling |
DE1154774B (de) * | 1962-02-06 | 1963-09-26 | Bbc Brown Boveri & Cie | Beleuchtungseinrichtung fuer eine gegen Reflexblendung geschuetzte Schaltwarte |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102537704A (zh) * | 2010-12-30 | 2012-07-04 | 海洋王照明科技股份有限公司 | 防眩光灯具 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |