JPS59101201U

JPS59101201U - cathode ray tube projection lens

Info

Publication number: JPS59101201U
Application number: JP19500282U
Authority: JP
Inventors: 剛三佐藤
Original assignee: 株式会社日立製作所
Priority date: 1982-12-24
Filing date: 1982-12-24
Publication date: 1984-07-07

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 the drawing]

第１図は従来のブラウン管、レンで結合構造の例の側断
面図、第２図は本考案のブラウン管、レンズ結合構造一
実施例の側断面図、第３図は第２図に示す要部の側断面
図である。１．１′・・・ブラウン管、２．　２’−・・・前面パ
ネル、３、．３’・・・レンズ、３−１．３−２．３−
３．３’−２，３’−３・・・単レンズ、４・・・螢光
体、５゜５′・・・締付はバンド、６・・・凸部、７・
・・透明部、８・・・液体、９．−９’・・・鏡胴、１
０・・・クッション、１１・・・弾刃物質。Fig. 1 is a side sectional view of a conventional cathode ray tube, an example of a lens coupling structure, Fig. 2 is a side sectional view of an embodiment of the cathode ray tube and lens coupling structure of the present invention, and Fig. 3 is the main part shown in Fig. 2. FIG. 1.1'... Braun tube, 2. 2'--Front panel, 3, . 3'...Lens, 3-1.3-2.3-
3.3'-2, 3'-3... Single lens, 4... Fluorescent material, 5°5'... Tightening band, 6... Convex part, 7...
...Transparent part, 8...Liquid, 9. -9'... Lens barrel, 1
0...Cushion, 11...Bullet material.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ブラウン管の前面パネル外面に円環状、または゛略同環
状の凸部を設け、その凸部の内周部、または外周部に透
明な郭を嵌合させ、その嵌合部分を弾刃物質で封止し、
前面パネルと透明部で形成された部位に液体を封入して
レンズ作用をもたせる構造を特徴とするブラウン管投写
レンズ。A circular or approximately circular convex portion is provided on the outer surface of the front panel of the cathode ray tube, a transparent shell is fitted to the inner or outer circumference of the convex portion, and the fitted portion is sealed with bullet material. stop,
A cathode ray tube projection lens is characterized by a structure in which a liquid is sealed in a portion formed by a front panel and a transparent part to provide a lens effect.