JPH0371342U - - Google Patents

Info

Publication number
JPH0371342U
JPH0371342U JP13213289U JP13213289U JPH0371342U JP H0371342 U JPH0371342 U JP H0371342U JP 13213289 U JP13213289 U JP 13213289U JP 13213289 U JP13213289 U JP 13213289U JP H0371342 U JPH0371342 U JP H0371342U
Authority
JP
Japan
Prior art keywords
parabolic reflector
liquid crystal
arc
light
discharge lamp
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
JP13213289U
Other languages
English (en)
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 JP13213289U priority Critical patent/JPH0371342U/ja
Publication of JPH0371342U publication Critical patent/JPH0371342U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【図面の簡単な説明】
第1図は本考案実施例の説明図、第2図はハー
フミラーの説明図である。 1……シヨートアーク型メタルハライド放電灯
、2……パラボラ反射鏡、3……ハーフミラー、
31……反射部、32……透過部、4……液晶板
、51,52,53,54……平面鏡。

Claims (1)

    【実用新案登録請求の範囲】
  1. パラボラ反射鏡と、このパラボラ反射鏡の焦点
    にアークが位置するように水平姿勢で配置された
    シヨートアーク型メタルハライド放電灯と、液晶
    板に入射するパラボラ反射鏡のほゞ平行な反射光
    の光路中に配置され、全面にわたつてほぼ均一に
    入射する光量の約半分は反射する反射部と残りの
    光は透過する透過部を有するハーフミラーと、こ
    のハーフミラーの反射光の上下を反転して液晶板
    に入射させる複数枚の平面反射鏡とからなること
    を特徴とする液晶プロジエクター装置。
JP13213289U 1989-11-15 1989-11-15 Pending JPH0371342U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13213289U JPH0371342U (ja) 1989-11-15 1989-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13213289U JPH0371342U (ja) 1989-11-15 1989-11-15

Publications (1)

Publication Number Publication Date
JPH0371342U true JPH0371342U (ja) 1991-07-18

Family

ID=31679605

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13213289U Pending JPH0371342U (ja) 1989-11-15 1989-11-15

Country Status (1)

Country Link
JP (1) JPH0371342U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998019211A1 (en) * 1996-10-30 1998-05-07 Seiko Epson Corporation Projection display and illuminating optical system therefor
WO1998019212A1 (en) * 1996-10-30 1998-05-07 Seiko Epson Corporation Projection display and illuminating optical system for it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998019211A1 (en) * 1996-10-30 1998-05-07 Seiko Epson Corporation Projection display and illuminating optical system therefor
WO1998019212A1 (en) * 1996-10-30 1998-05-07 Seiko Epson Corporation Projection display and illuminating optical system for it

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