JPS60133571U

JPS60133571U - flat cathode ray tube

Info

Publication number: JPS60133571U
Application number: JP2110584U
Authority: JP
Inventors: 河森　允丈; 葉山　啓
Original assignee: 三洋電機株式会社
Priority date: 1984-02-15
Filing date: 1984-02-15
Publication date: 1985-09-05

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

[Brief explanation of the drawing]

第１図は本考案の扁平型陰極線管の一実施例を示す断面
図、第２図はその要部を示す斜視図であ　−る。第３図
は本考案の他の実施例を示す断面図１．−、　　・第４
図はその要部を示す斜視図、第５図は第４図　　　゛の
Ａ−Ａ’線断面図である。第６図は従来の扁平゛、型陰
極線管とそれに取付けられる部品を示す外観　　′斜視
図、第７図はその要部の構造を示す断面図で　　　。奮”−＊鉦？−１ｔ工３−４．１３−ｍ　　。平ｗラス’を体、１４・・・・・・フェースパネル、１
６・・・−、、・・・ファンネル。　　、FIG. 1 is a sectional view showing an embodiment of the flat cathode ray tube of the present invention, and FIG. 2 is a perspective view showing the main parts thereof. FIG. 3 is a sectional view showing another embodiment of the present invention. -、・4th
The figure is a perspective view showing the main parts, and FIG. 5 is a sectional view taken along the line AA' in FIG. 4. Fig. 6 is an external perspective view showing a conventional flat type cathode ray tube and the parts attached to it, and Fig. 7 is a sectional view showing the structure of its main parts. Iku”-*Gong?-1t 3-4.13-m. Flat W Las' body, 14...Face panel, 1
6...-,,...Funnel. ,

Claims

[Scope of utility model registration request]

(1) A phosphor screen having an index phosphor arranged in a certain relationship with the three primary color phosphors is provided on the inner surface of the face panel of a flat glass tube, and an index optical signal obtained when the phosphor screen is swept with an electron beam. By,
In a flat cathode ray tube in which the electron beam i is configured to impact a predetermined phosphor, an index light signal is passed through the glass in a direction parallel to the gas surface of the funnel portion facing the face panel to the outside. A flat cathode ray tube characterized by being designed to be guided. ``(2) The glass of the funnel part that guides the index optical signal has a large thickness and is not formed properly.'' 1. The flat cathode ray tube described in Section 1.
(3) The flat cathode ray tube according to item 2 of the claimed utility model registration term, characterized in that the glass inner surface of the funnel portion is formed in the shape of a semicircular truncated cone.