JPH0380481U - - Google Patents

Info

Publication number
JPH0380481U
JPH0380481U JP6996290U JP6996290U JPH0380481U JP H0380481 U JPH0380481 U JP H0380481U JP 6996290 U JP6996290 U JP 6996290U JP 6996290 U JP6996290 U JP 6996290U JP H0380481 U JPH0380481 U JP H0380481U
Authority
JP
Japan
Prior art keywords
power supply
light source
power
discharge lamp
supply circuit
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
JP6996290U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP6996290U priority Critical patent/JPH0380481U/ja
Publication of JPH0380481U publication Critical patent/JPH0380481U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP6996290U 1989-08-19 1990-06-29 Pending JPH0380481U (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6996290U JPH0380481U (es) 1989-08-19 1990-06-29

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9700989 1989-08-19
JP6996290U JPH0380481U (es) 1989-08-19 1990-06-29

Publications (1)

Publication Number Publication Date
JPH0380481U true JPH0380481U (es) 1991-08-19

Family

ID=31890155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6996290U Pending JPH0380481U (es) 1989-08-19 1990-06-29

Country Status (1)

Country Link
JP (1) JPH0380481U (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999044097A1 (fr) * 1998-02-26 1999-09-02 Seiko Epson Corporation Appareil de presentation par projection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02191934A (ja) * 1988-10-31 1990-07-27 Dainippon Screen Mfg Co Ltd 露光装置の光源劣化防止方法および装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02191934A (ja) * 1988-10-31 1990-07-27 Dainippon Screen Mfg Co Ltd 露光装置の光源劣化防止方法および装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999044097A1 (fr) * 1998-02-26 1999-09-02 Seiko Epson Corporation Appareil de presentation par projection
US6448715B1 (en) 1998-02-26 2002-09-10 Seiko Epson Corporation Projection display apparatus

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