JPS5938433U

JPS5938433U - overhead projector

Info

Publication number: JPS5938433U
Application number: JP13387882U
Authority: JP
Inventors: 石井　豊夫
Original assignee: 株式会社学習研究社
Priority date: 1982-09-03
Filing date: 1982-09-03
Publication date: 1984-03-10

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

[Brief explanation of the drawing]

図面は本考案の実施例及び従来例を示すものであり、第
１図は従来のオーバーへラドプロジェクタ−の側面図、
第２図は同オーバーヘッドプロジェクタ−の平面図、第
３図はオイソルスコピーの条件を説明した図、第４図は
本考案に係るオーバーヘッドプロジェクタ−の側面図、
第５図は投映レンズの支持構造を示す側断面図、第６図
は投影レンズの支持構造の示す正断面図である。尚、図面中２１は資料酸′置台、２２は資料、２５は投
影ヘッド、２６は光軸、２７は投影レンズ、２９はスク
リーン、３６．３７は光軸に直交する軸である。The drawings show an embodiment of the present invention and a conventional example, and FIG. 1 is a side view of a conventional Overherad projector;
FIG. 2 is a plan view of the overhead projector, FIG. 3 is a diagram explaining the conditions of eusoloscopy, and FIG. 4 is a side view of the overhead projector according to the present invention.
FIG. 5 is a side sectional view showing the support structure for the projection lens, and FIG. 6 is a front sectional view showing the support structure for the projection lens. In the drawing, reference numeral 21 is a data storage table, 22 is a reference material, 25 is a projection head, 26 is an optical axis, 27 is a projection lens, 29 is a screen, and 36 and 37 are axes perpendicular to the optical axis.

Claims

[Scope of utility model registration request]

In an overhead projector, a projection head equipped with a projection lens is provided above the document mounting table, and an image of the document is projected onto a screen via the projection head. and an overhead projector-0, characterized in that it is supported rotatably around each of the axes perpendicular to the optical axis.