JPS5948538U - Overhead projector dimmer - Google Patents

Overhead projector dimmer

Info

Publication number
JPS5948538U
JPS5948538U JP14298182U JP14298182U JPS5948538U JP S5948538 U JPS5948538 U JP S5948538U JP 14298182 U JP14298182 U JP 14298182U JP 14298182 U JP14298182 U JP 14298182U JP S5948538 U JPS5948538 U JP S5948538U
Authority
JP
Japan
Prior art keywords
dimmer
overhead projector
original
optical path
platen glass
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
JP14298182U
Other languages
Japanese (ja)
Other versions
JPS6333217Y2 (en
Inventor
純一 矢澤
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP14298182U priority Critical patent/JPS5948538U/en
Publication of JPS5948538U publication Critical patent/JPS5948538U/en
Application granted granted Critical
Publication of JPS6333217Y2 publication Critical patent/JPS6333217Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (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) [Abstract] 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、この考案の一実施例を示す概略図、第２図お
よび第３図は、この考案に使用される発散性レンズの例
を示す図である。FIG. 1 is a schematic diagram showing an embodiment of this invention, and FIGS. 2 and 3 are diagrams showing examples of a diverging lens used in this invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 原稿照射ランプと原稿台ガラスとの間の光路内に発散性
レンズを進入および退避可能に設け、前記発散性レンズ
を前記光路内に進入させることにより前記原稿台ガラス
面または原稿面の減光を行ない、かつ装置本体周辺部の
照明を行なうオーバーヘッドプロジェクタ−減光装置。A diverging lens is provided in an optical path between an original irradiation lamp and an original platen glass so as to be able to enter and retreat, and by entering the diverging lens into the optical path, light reduction on the original platen glass surface or the original document surface is achieved. An overhead projector-dimmer device that illuminates the surrounding area of the device.
JP14298182U 1982-09-21 1982-09-21 Overhead projector dimmer Granted JPS5948538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14298182U JPS5948538U (en) 1982-09-21 1982-09-21 Overhead projector dimmer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14298182U JPS5948538U (en) 1982-09-21 1982-09-21 Overhead projector dimmer

Publications (2)

Publication Number Publication Date
JPS5948538U true JPS5948538U (en) 1984-03-31
JPS6333217Y2 JPS6333217Y2 (en) 1988-09-05

Family

ID=30319296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14298182U Granted JPS5948538U (en) 1982-09-21 1982-09-21 Overhead projector dimmer

Country Status (1)

Country Link
JP (1) JPS5948538U (en)

Also Published As

Publication number Publication date
JPS6333217Y2 (en) 1988-09-05

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