JPS6171955U - - Google Patents

Info

Publication number
JPS6171955U
JPS6171955U JP15585984U JP15585984U JPS6171955U JP S6171955 U JPS6171955 U JP S6171955U JP 15585984 U JP15585984 U JP 15585984U JP 15585984 U JP15585984 U JP 15585984U JP S6171955 U JPS6171955 U JP S6171955U
Authority
JP
Japan
Prior art keywords
less
tube
fluorescent lamp
envelope
gap
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
JP15585984U
Other languages
English (en)
Other versions
JPH0452931Y2 (ja
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 filed Critical
Priority to JP1984155859U priority Critical patent/JPH0452931Y2/ja
Publication of JPS6171955U publication Critical patent/JPS6171955U/ja
Application granted granted Critical
Publication of JPH0452931Y2 publication Critical patent/JPH0452931Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【図面の簡単な説明】
第1図及び第2図はそれぞれ本考案の一実施例
を示す説明用縦断正面図及び説明用側面図、第3
図は本考案に係る螢光ランプ及び比較用螢光ラン
プにおける輝度の雰囲気温度依存性を示す線図で
ある。 1…外管、2,2…フイラメント電極、3,3
…リード線、4…封体管、5,5…水銀含浸合金
、6,6…保持材、S…空隙、42…螢光膜、7
…反射膜。

Claims (1)

    【実用新案登録請求の範囲】
  1. 全長が120mm以下で消費電力が2W以下の螢
    光ランプであつて、封体管とこの封体管を空隙を
    介して囲繞する外管とを有する二重管構造であり
    、前記外管の外径が20mm以下であり、かつ前記
    外管の一部が鏡面であることを特徴とする小型螢
    光ランプ。
JP1984155859U 1984-10-17 1984-10-17 Expired JPH0452931Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984155859U JPH0452931Y2 (ja) 1984-10-17 1984-10-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984155859U JPH0452931Y2 (ja) 1984-10-17 1984-10-17

Publications (2)

Publication Number Publication Date
JPS6171955U true JPS6171955U (ja) 1986-05-16
JPH0452931Y2 JPH0452931Y2 (ja) 1992-12-11

Family

ID=30713871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984155859U Expired JPH0452931Y2 (ja) 1984-10-17 1984-10-17

Country Status (1)

Country Link
JP (1) JPH0452931Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112678U (ja) * 1976-02-24 1977-08-26
JPS59159129A (ja) * 1983-03-01 1984-09-08 Mitsubishi Electric Corp 透過形液晶表示装置
JPS59138165U (ja) * 1983-03-04 1984-09-14 株式会社東芝 表示素子用低圧水銀蒸気放電灯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112678U (ja) * 1976-02-24 1977-08-26
JPS59159129A (ja) * 1983-03-01 1984-09-08 Mitsubishi Electric Corp 透過形液晶表示装置
JPS59138165U (ja) * 1983-03-04 1984-09-14 株式会社東芝 表示素子用低圧水銀蒸気放電灯

Also Published As

Publication number Publication date
JPH0452931Y2 (ja) 1992-12-11

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