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
Application number
DK237974A
Other languages
Danish (da)
Inventor
M Fordsmand
Original Assignee
M Fordsmand
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M Fordsmand filed Critical M Fordsmand
Publication of DK237974A publication Critical patent/DK237974A/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Connecting Device With Holders (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
DK237974A 1973-06-26 1974-05-01 DK237974A (ko)

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 (ko) 1975-02-24

Family

ID=10306481

Family Applications (1)

Application Number Title Priority Date Filing Date
DK237974A DK237974A (ko) 1973-06-26 1974-05-01

Country Status (12)

Country Link
US (1) US3965345A (ko)
JP (1) JPS5028185A (ko)
AU (1) AU6875874A (ko)
BR (1) BR7405216A (ko)
DE (1) DE2421307A1 (ko)
DK (1) DK237974A (ko)
FI (1) FI151374A (ko)
FR (1) FR2235334B3 (ko)
GB (1) GB1399978A (ko)
NL (1) NL7406889A (ko)
NO (1) NO741615L (ko)
SE (1) SE7405914L (ko)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
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
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
DE4013845A1 (de) * 1990-04-30 1991-10-31 Vdo Schindling Beleuchtungseinrichtung
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
EP1371899B1 (en) * 2001-03-19 2012-03-14 Fujitsu Limited Light source device and display device
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281587A (en) * 1964-05-25 1966-10-25 Emerson Electric Co Lighting fixture

Also Published As

Publication number Publication date
SE7405914L (ko) 1974-12-27
FR2235334B3 (ko) 1977-03-18
US3965345A (en) 1976-06-22
BR7405216A (pt) 1976-02-24
NL7406889A (ko) 1974-12-30
NO741615L (ko) 1975-01-20
FI151374A (ko) 1974-12-27
AU6875874A (en) 1975-11-13
DE2421307A1 (de) 1975-01-16
JPS5028185A (ko) 1975-03-22
FR2235334A1 (ko) 1975-01-24
GB1399978A (en) 1975-07-02

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