DK237974A - - Google Patents
Info
- Publication number
- DK237974A DK237974A DK237974A DK237974A DK237974A DK 237974 A DK237974 A DK 237974A DK 237974 A DK237974 A DK 237974A DK 237974 A DK237974 A DK 237974A DK 237974 A DK237974 A DK 237974A
- Authority
- DK
- Denmark
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
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
- F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
-
- 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
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3036373A GB1399978A (en) | 1973-06-26 | 1973-06-26 | Lighting fixture and sub-ceiling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK237974A true DK237974A (da) | 1975-02-24 |
Family
ID=10306481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK237974A DK237974A (da) | 1973-06-26 | 1974-05-01 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3965345A (da) |
| JP (1) | JPS5028185A (da) |
| AU (1) | AU6875874A (da) |
| BR (1) | BR7405216A (da) |
| DE (1) | DE2421307A1 (da) |
| DK (1) | DK237974A (da) |
| FI (1) | FI151374A (da) |
| FR (1) | FR2235334B3 (da) |
| GB (1) | GB1399978A (da) |
| NL (1) | NL7406889A (da) |
| NO (1) | NO741615L (da) |
| SE (1) | SE7405914L (da) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3007972C2 (de) * | 1980-03-01 | 1985-10-03 | Martin 4352 Herten Hamacher | Leuchte |
| JP2796868B2 (ja) * | 1990-01-29 | 1998-09-10 | 旭光学工業株式会社 | 内視鏡用光源装置のランプ保持装置 |
| AU617285B3 (en) * | 1990-02-06 | 1991-10-04 | Spectra Lighting Pty. Ltd. | Light fittings |
| DE4013845A1 (de) * | 1990-04-30 | 1991-10-31 | Vdo Schindling | Beleuchtungseinrichtung |
| US5161884A (en) * | 1990-04-30 | 1992-11-10 | The Regents Of The University Of California | Thermal element for maintaining minimum lamp wall temperature in fluorescent fixtures |
| JPH0727789B2 (ja) * | 1990-10-15 | 1995-03-29 | 松下電工株式会社 | ランプソケット |
| US5174646A (en) * | 1990-12-06 | 1992-12-29 | The Regents Of The University Of California | Heat transfer assembly for a fluorescent lamp and fixture |
| KR970006293B1 (ko) * | 1992-10-06 | 1997-04-25 | 캐논 가부시끼가이샤 | 원고 조명 장치 |
| US5686799A (en) * | 1994-03-25 | 1997-11-11 | Pacific Scientific Company | Ballast circuit for compact fluorescent lamp |
| US5537301A (en) * | 1994-09-01 | 1996-07-16 | Pacific Scientific Company | Fluorescent lamp heat-dissipating apparatus |
| US5821699A (en) * | 1994-09-30 | 1998-10-13 | Pacific Scientific | Ballast circuit for fluorescent lamps |
| US6037722A (en) * | 1994-09-30 | 2000-03-14 | Pacific Scientific | Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp |
| US5691606A (en) * | 1994-09-30 | 1997-11-25 | Pacific Scientific Company | Ballast circuit for fluorescent lamp |
| US5925986A (en) * | 1996-05-09 | 1999-07-20 | Pacific Scientific Company | Method and apparatus for controlling power delivered to a fluorescent lamp |
| US5866993A (en) * | 1996-11-14 | 1999-02-02 | Pacific Scientific Company | Three-way dimming ballast circuit with passive power factor correction |
| US5798617A (en) * | 1996-12-18 | 1998-08-25 | Pacific Scientific Company | Magnetic feedback ballast circuit for fluorescent lamp |
| US6352722B1 (en) * | 1997-12-23 | 2002-03-05 | Quadrant Holdings Cambridge Limited | Derivatized carbohydrates, compositions comprised thereof and methods of use thereof |
| CN1276212C (zh) * | 2001-03-19 | 2006-09-20 | 富士通株式会社 | 光源装置及显示装置 |
| TWI272429B (en) * | 2003-10-30 | 2007-02-01 | Au Optronics Corp | Backlight module |
| CN1317592C (zh) * | 2004-07-19 | 2007-05-23 | 友达光电股份有限公司 | 散热固定装置及其散热方法 |
| US7284878B2 (en) * | 2004-12-03 | 2007-10-23 | Acuity Brands, Inc. | Lumen regulating apparatus and process |
| WO2006062501A2 (en) * | 2004-12-03 | 2006-06-15 | Acuity Brands, Inc. | Lumen regulating apparatus and process |
| KR20060089434A (ko) * | 2005-02-04 | 2006-08-09 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 표시장치 |
| US7883237B2 (en) * | 2005-09-28 | 2011-02-08 | Abl Ip Holding, Llc | Heat extractor device for fluorescent lighting fixture |
| US11215352B2 (en) | 2019-06-04 | 2022-01-04 | Mark Dieser | System, apparatus, and method for thermal regulation in a tiered rack growth system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3281587A (en) * | 1964-05-25 | 1966-10-25 | Emerson Electric Co | Lighting fixture |
-
1973
- 1973-06-26 GB GB3036373A patent/GB1399978A/en not_active Expired
-
1974
- 1974-05-01 DK DK237974A patent/DK237974A/da unknown
- 1974-05-02 DE DE2421307A patent/DE2421307A1/de active Pending
- 1974-05-03 SE SE7405914A patent/SE7405914L/ not_active Application Discontinuation
- 1974-05-06 NO NO741615A patent/NO741615L/no unknown
- 1974-05-09 AU AU68758/74A patent/AU6875874A/en not_active Expired
- 1974-05-09 US US05/468,637 patent/US3965345A/en not_active Expired - Lifetime
- 1974-05-16 FI FI1513/74A patent/FI151374A/fi unknown
- 1974-05-17 FR FR7417309A patent/FR2235334B3/fr not_active Expired
- 1974-05-22 NL NL7406889A patent/NL7406889A/xx unknown
- 1974-06-07 JP JP49064182A patent/JPS5028185A/ja active Pending
- 1974-06-25 BR BR5216/74A patent/BR7405216A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5028185A (da) | 1975-03-22 |
| SE7405914L (da) | 1974-12-27 |
| GB1399978A (en) | 1975-07-02 |
| NO741615L (da) | 1975-01-20 |
| FR2235334B3 (da) | 1977-03-18 |
| FR2235334A1 (da) | 1975-01-24 |
| DE2421307A1 (de) | 1975-01-16 |
| NL7406889A (da) | 1974-12-30 |
| AU6875874A (en) | 1975-11-13 |
| BR7405216A (pt) | 1976-02-24 |
| US3965345A (en) | 1976-06-22 |
| FI151374A (da) | 1974-12-27 |