JPS5220680A - Compulsive cooling system of short arc-type high voltage discharge lam p - Google Patents

Compulsive cooling system of short arc-type high voltage discharge lam p

Info

Publication number
JPS5220680A
JPS5220680A JP9543475A JP9543475A JPS5220680A JP S5220680 A JPS5220680 A JP S5220680A JP 9543475 A JP9543475 A JP 9543475A JP 9543475 A JP9543475 A JP 9543475A JP S5220680 A JPS5220680 A JP S5220680A
Authority
JP
Japan
Prior art keywords
high voltage
cooling system
type high
short arc
voltage discharge
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.)
Pending
Application number
JP9543475A
Other languages
Japanese (ja)
Inventor
Kazumi Fujiwara
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.)
Ushio Denki KK
Ushio Inc
Original Assignee
Ushio Denki KK
Ushio Inc
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 Ushio Denki KK, Ushio Inc filed Critical Ushio Denki KK
Priority to JP9543475A priority Critical patent/JPS5220680A/en
Publication of JPS5220680A publication Critical patent/JPS5220680A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

PURPOSE: To extend the service life of a discharge lamp by clarifying the aircooling condition so as to keep the lamp always at an optimum temperature.
COPYRIGHT: (C)1977,JPO&Japio
JP9543475A 1975-08-07 1975-08-07 Compulsive cooling system of short arc-type high voltage discharge lam p Pending JPS5220680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9543475A JPS5220680A (en) 1975-08-07 1975-08-07 Compulsive cooling system of short arc-type high voltage discharge lam p

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9543475A JPS5220680A (en) 1975-08-07 1975-08-07 Compulsive cooling system of short arc-type high voltage discharge lam p

Publications (1)

Publication Number Publication Date
JPS5220680A true JPS5220680A (en) 1977-02-16

Family

ID=14137578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9543475A Pending JPS5220680A (en) 1975-08-07 1975-08-07 Compulsive cooling system of short arc-type high voltage discharge lam p

Country Status (1)

Country Link
JP (1) JPS5220680A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175013U (en) * 1984-10-23 1986-05-21
JP2006086098A (en) * 2004-09-17 2006-03-30 Canon Inc Light source device and projection display device having the light source device
US7891846B2 (en) 2004-09-17 2011-02-22 Canon Kabushiki Kaisha Light source apparatus, optical apparatus, and image projection apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175013U (en) * 1984-10-23 1986-05-21
JP2006086098A (en) * 2004-09-17 2006-03-30 Canon Inc Light source device and projection display device having the light source device
US7891846B2 (en) 2004-09-17 2011-02-22 Canon Kabushiki Kaisha Light source apparatus, optical apparatus, and image projection apparatus

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