AU4550197A - A circuit for maintaining the temperature of a light source, and use of the circuit - Google Patents

A circuit for maintaining the temperature of a light source, and use of the circuit

Info

Publication number
AU4550197A
AU4550197A AU45501/97A AU4550197A AU4550197A AU 4550197 A AU4550197 A AU 4550197A AU 45501/97 A AU45501/97 A AU 45501/97A AU 4550197 A AU4550197 A AU 4550197A AU 4550197 A AU4550197 A AU 4550197A
Authority
AU
Australia
Prior art keywords
circuit
maintaining
temperature
light source
source
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.)
Abandoned
Application number
AU45501/97A
Inventor
Michael Raunkjaer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Purup Eskofot AS
Original Assignee
Purup Eskofot AS
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 Purup Eskofot AS filed Critical Purup Eskofot AS
Publication of AU4550197A publication Critical patent/AU4550197A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
AU45501/97A 1996-10-08 1997-10-07 A circuit for maintaining the temperature of a light source, and use of the circuit Abandoned AU4550197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK110396 1996-10-08
DK1103/96 1996-10-08
PCT/DK1997/000430 WO1998015970A1 (en) 1996-10-08 1997-10-07 A circuit for maintaining the temperature of a light source, and use of the circuit

Publications (1)

Publication Number Publication Date
AU4550197A true AU4550197A (en) 1998-05-05

Family

ID=8101038

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45501/97A Abandoned AU4550197A (en) 1996-10-08 1997-10-07 A circuit for maintaining the temperature of a light source, and use of the circuit

Country Status (2)

Country Link
AU (1) AU4550197A (en)
WO (1) WO1998015970A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6616304B2 (en) 2000-10-04 2003-09-09 Cogent Light Technologies, Inc. Temperature control for arc lamps
WO2009030266A1 (en) * 2007-08-29 2009-03-12 Osram Gesellschaft mit beschränkter Haftung Temperature control for a discharge lamp
CN104763890A (en) * 2015-03-20 2015-07-08 江苏达伦电子股份有限公司 LED lamp structure convenient for cooling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1122629A (en) * 1964-10-14 1968-08-07 Rank Xerox Ltd Illumination control system
US3779640A (en) * 1972-10-13 1973-12-18 Xerox Corp Heating apparatus for scan lamp
NL7607680A (en) * 1976-07-12 1978-01-16 Oce Van Der Grinten Nv DEVICE FOR CONTROLLING THE LIGHT EMISSION OF A GAS DISCHARGE LAMP.
JPH0218857A (en) * 1988-07-04 1990-01-23 Japan Aviation Electron Ind Ltd Fluorescent lamp device

Also Published As

Publication number Publication date
WO1998015970A1 (en) 1998-04-16

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