JPS58150262U - fluorescent lamp - Google Patents

fluorescent lamp

Info

Publication number
JPS58150262U
JPS58150262U JP4726582U JP4726582U JPS58150262U JP S58150262 U JPS58150262 U JP S58150262U JP 4726582 U JP4726582 U JP 4726582U JP 4726582 U JP4726582 U JP 4726582U JP S58150262 U JPS58150262 U JP S58150262U
Authority
JP
Japan
Prior art keywords
shield
fluorescent lamp
filament
lamp according
shaped
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.)
Pending
Application number
JP4726582U
Other languages
Japanese (ja)
Inventor
博司 今村
Original Assignee
松下電工株式会社
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 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP4726582U priority Critical patent/JPS58150262U/en
Publication of JPS58150262U publication Critical patent/JPS58150262U/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge Lamp (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (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 the drawing]

第１図は従来のけい光ランプの要部を示す縦断面図、第
２図乃至第４図はそれぞれ本考案に係るけい光ランプの
要部を示し、各図のａは横断面図、各図のｂは縦断面図
、第５図は光束維持率を示すグラフである。Fig. 1 is a vertical sectional view showing the main parts of a conventional fluorescent lamp, and Figs. 2 to 4 each show the main parts of the fluorescent lamp according to the present invention. b in the figure is a longitudinal cross-sectional view, and FIG. 5 is a graph showing the luminous flux maintenance factor.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）一対の電極を構成する両フイラメ゛ントの近辺に
透光性を有する遮蔽物を設けたことを特徴とするけい光
ランプ。(1) A fluorescent lamp characterized in that a light-transmitting shield is provided near both filaments constituting a pair of electrodes. （２）上記遮蔽物を円板状とし、該遮蔽物の平板面を上
記フィラメントの前方に位置せしめた実用新案登録請求
の範囲第１項記載のけい光ランプ。(2) The fluorescent lamp according to claim 1, wherein the shield is disc-shaped, and the flat surface of the shield is positioned in front of the filament. （３）上記遮蔽物を笠状とし、該遮蔽物の開口端より内
方に上記フィラメントが位置するようにした実用新案登
録請求の範囲第１項記載のけい光ランプ。(3) The fluorescent lamp according to claim 1, wherein the shield is shaped like a shade, and the filament is positioned inward from the open end of the shield. （４）上記遮蔽物を有底筒状とし、該遮蔽物の底面近辺
にフィラメントが位置するようにした実用新案登録請求
の範囲第１項記載のけい光ランプ。(4) The fluorescent lamp according to claim 1, wherein the shield is a cylinder with a bottom, and the filament is located near the bottom of the shield.
JP4726582U 1982-03-31 1982-03-31 fluorescent lamp Pending JPS58150262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4726582U JPS58150262U (en) 1982-03-31 1982-03-31 fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4726582U JPS58150262U (en) 1982-03-31 1982-03-31 fluorescent lamp

Publications (1)

Publication Number Publication Date
JPS58150262U true JPS58150262U (en) 1983-10-08

Family

ID=30058229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4726582U Pending JPS58150262U (en) 1982-03-31 1982-03-31 fluorescent lamp

Country Status (1)

Country Link
JP (1) JPS58150262U (en)

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