GB2000265B - Daylight lamps - Google Patents
Daylight lampsInfo
- Publication number
- GB2000265B GB2000265B GB7827064A GB7827064A GB2000265B GB 2000265 B GB2000265 B GB 2000265B GB 7827064 A GB7827064 A GB 7827064A GB 7827064 A GB7827064 A GB 7827064A GB 2000265 B GB2000265 B GB 2000265B
- Authority
- GB
- United Kingdom
- Prior art keywords
- daylight lamps
- daylight
- lamps
- 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.)
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V23/026—Fastening of transformers or ballasts
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
- F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/15—Thermal insulation
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772727931 DE2727931A1 (en) | 1977-06-16 | 1977-06-16 | DAYLIGHT LAMP WITH CONTROL UNIT AND COOLING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2000265A GB2000265A (en) | 1979-01-04 |
GB2000265B true GB2000265B (en) | 1982-03-17 |
Family
ID=6011992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7827064A Expired GB2000265B (en) | 1977-06-16 | 1978-06-15 | Daylight lamps |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2727931A1 (en) |
FR (1) | FR2394749A1 (en) |
GB (1) | GB2000265B (en) |
IT (1) | IT1096496B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0389659A1 (en) * | 1989-03-30 | 1990-10-03 | Siemens Aktiengesellschaft | Projector |
US5400223A (en) * | 1993-07-14 | 1995-03-21 | General Electric Company | Sports lighting luminaire having a broken glass safety shutdown circuit |
MX339929B (en) | 2011-09-12 | 2016-06-17 | Rab Lighting Inc | Light fixture with airflow passage separating driver and emitter. |
-
1977
- 1977-06-16 DE DE19772727931 patent/DE2727931A1/en not_active Ceased
-
1978
- 1978-06-14 FR FR7817727A patent/FR2394749A1/en active Granted
- 1978-06-15 GB GB7827064A patent/GB2000265B/en not_active Expired
- 1978-06-16 IT IT24644/78A patent/IT1096496B/en active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
FR2394749A1 (en) | 1979-01-12 |
IT7824644A0 (en) | 1978-06-16 |
IT1096496B (en) | 1985-08-26 |
FR2394749B3 (en) | 1981-02-06 |
DE2727931A1 (en) | 1978-12-21 |
GB2000265A (en) | 1979-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |