JPS5891720U - Monocolor projection device - Google Patents

Monocolor projection device

Info

Publication number
JPS5891720U
JPS5891720U JP18690581U JP18690581U JPS5891720U JP S5891720 U JPS5891720 U JP S5891720U JP 18690581 U JP18690581 U JP 18690581U JP 18690581 U JP18690581 U JP 18690581U JP S5891720 U JPS5891720 U JP S5891720U
Authority
JP
Japan
Prior art keywords
light
projection lens
mirror
light source
reflects
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.)
Granted
Application number
JP18690581U
Other languages
Japanese (ja)
Other versions
JPS6246171Y2 (en
Inventor
恵一 窪田
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP18690581U priority Critical patent/JPS5891720U/en
Publication of JPS5891720U publication Critical patent/JPS5891720U/en
Application granted granted Critical
Publication of JPS6246171Y2 publication Critical patent/JPS6246171Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案による投射装置の実施例を示す図。第２
図は本考案に用いる誘電体ミラーの特性を説明する図で
ある。 図において、１は光源、２は白色光、３．５はレンズ、
６は誘電体ミラー、７は表示装置、８゜９は反射鏡であ
る。FIG. 1 is a diagram showing an embodiment of a projection device according to the present invention. Second
The figure is a diagram explaining the characteristics of the dielectric mirror used in the present invention. In the figure, 1 is a light source, 2 is white light, 3.5 is a lens,
6 is a dielectric mirror, 7 is a display device, and 8.9 is a reflecting mirror.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源と、この光源からの光を集光する集光用光学系と、
当該集光用光学系により得られる光源像の近傍に設置し
た第１の反射鏡と、投射レンズと、投射レンズからの光
の一部を反射し、一部を透過させる誘電体ミラーと、誘
電体ミラーの透過光で照射される表示装置と、誘電体ミ
ラーの反射光を反射する第２の反射鏡とを備え、前記第
１の表示装置面の法線と前記投射レンズの光軸とを微小
角をなすように配置していることを特徴とするモノカラ
ー投射装置。a light source, a condensing optical system that condenses the light from the light source,
A first reflecting mirror installed near the light source image obtained by the condensing optical system, a projection lens, a dielectric mirror that reflects part of the light from the projection lens and transmits part of it, and a dielectric mirror that reflects part of the light from the projection lens and transmits part of the light. a display device that is irradiated with light transmitted by a body mirror, and a second reflecting mirror that reflects light reflected by a dielectric mirror, and a normal line of the first display device surface and an optical axis of the projection lens. A monochrome projection device characterized by being arranged at a small angle.
JP18690581U 1981-12-15 1981-12-15 Monocolor projection device Granted JPS5891720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18690581U JPS5891720U (en) 1981-12-15 1981-12-15 Monocolor projection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18690581U JPS5891720U (en) 1981-12-15 1981-12-15 Monocolor projection device

Publications (2)

Publication Number Publication Date
JPS5891720U true JPS5891720U (en) 1983-06-21
JPS6246171Y2 JPS6246171Y2 (en) 1987-12-11

Family

ID=29989257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18690581U Granted JPS5891720U (en) 1981-12-15 1981-12-15 Monocolor projection device

Country Status (1)

Country Link
JP (1) JPS5891720U (en)

Also Published As

Publication number Publication date
JPS6246171Y2 (en) 1987-12-11

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