IT1269196B - Long-life lighting device - Google Patents
Long-life lighting deviceInfo
- Publication number
- IT1269196B IT1269196B ITMI940101A ITMI940101A IT1269196B IT 1269196 B IT1269196 B IT 1269196B IT MI940101 A ITMI940101 A IT MI940101A IT MI940101 A ITMI940101 A IT MI940101A IT 1269196 B IT1269196 B IT 1269196B
- Authority
- IT
- Italy
- Prior art keywords
- parabola
- rotatable support
- support element
- lighting device
- long
- Prior art date
Links
- 230000003213 activating effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A long-life lighting device, comprising, in combination, a casing 11 containing a rotatable support element 12, which is provided with an outward facing aperture 14 on which is placed an optical covering element 15 and a fixed reflecting portion of parabola 16 which can be supplemented with at least a pair of movable reflecting portions of parabola 17 which are associated with the rotatable support element 12 and are located one after the other in the direction of rotation, and each of which contains at least one lamp 13, the rotatable support element 12 being linked to a rotary drive element 25 which can be activated by an external control means; additionally, contact elements 31, 32; 34, 35 are provided for activating the lamp 13 contained in each movable portion of parabola 17 when the latter is positioned adjacent to the fixed portion of parabola 16 to form a whole concave reflecting parabola. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940101A IT1269196B (en) | 1994-01-24 | 1994-01-24 | Long-life lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940101A IT1269196B (en) | 1994-01-24 | 1994-01-24 | Long-life lighting device |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI940101A0 ITMI940101A0 (en) | 1994-01-24 |
ITMI940101A1 ITMI940101A1 (en) | 1995-07-24 |
IT1269196B true IT1269196B (en) | 1997-03-21 |
Family
ID=11367604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI940101A IT1269196B (en) | 1994-01-24 | 1994-01-24 | Long-life lighting device |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1269196B (en) |
-
1994
- 1994-01-24 IT ITMI940101A patent/IT1269196B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ITMI940101A1 (en) | 1995-07-24 |
ITMI940101A0 (en) | 1994-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |