JPS5867384U - “Kei” optical display tube drive circuit - Google Patents

“Kei” optical display tube drive circuit

Info

Publication number
JPS5867384U
JPS5867384U JP16230581U JP16230581U JPS5867384U JP S5867384 U JPS5867384 U JP S5867384U JP 16230581 U JP16230581 U JP 16230581U JP 16230581 U JP16230581 U JP 16230581U JP S5867384 U JPS5867384 U JP S5867384U
Authority
JP
Japan
Prior art keywords
display tube
drive circuit
kei
optical display
tube drive
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
JP16230581U
Other languages
Japanese (ja)
Inventor
鶴来　明
淳二 青木
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP16230581U priority Critical patent/JPS5867384U/en
Publication of JPS5867384U publication Critical patent/JPS5867384U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (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 drawings]

第１図は従来の蛍光表示管の駆動回路図、第２図は同回
路の陽極及び格子と直熱陰極間の電位差を表わす特性図
、第３図は本考案に用いる蛍光表示管の分解斜視図、第
４図は同表示管の駆動回路図、第５図は同回路の陽極及
び格子と直熱陰極間の電位差を表わす特性図である。Figure 1 is a drive circuit diagram of a conventional fluorescent display tube, Figure 2 is a characteristic diagram showing the potential difference between the anode and grid of the circuit, and the directly heated cathode, and Figure 3 is an exploded perspective view of the fluorescent display tube used in the present invention. 4 is a drive circuit diagram of the display tube, and FIG. 5 is a characteristic diagram showing the potential difference between the anode and grid of the circuit and the directly heated cathode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 陽極に塗付される蛍光体の発光色ごとに、陽極上部に直
熱陰極を配設した蛍光表示管を用い、この蛍光表示管の
蛍光体の効率に応じた駆動電圧を供給することを特徴と
する蛍光表示管の駆動回路。A fluorescent display tube with a directly heated cathode placed above the anode is used for each emitted color of the phosphor coated on the anode, and a driving voltage is supplied according to the efficiency of the phosphor in the fluorescent display tube. A drive circuit for a fluorescent display tube.
JP16230581U 1981-10-29 1981-10-29 “Kei” optical display tube drive circuit Pending JPS5867384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16230581U JPS5867384U (en) 1981-10-29 1981-10-29 “Kei” optical display tube drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16230581U JPS5867384U (en) 1981-10-29 1981-10-29 “Kei” optical display tube drive circuit

Publications (1)

Publication Number Publication Date
JPS5867384U true JPS5867384U (en) 1983-05-07

Family

ID=29954623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16230581U Pending JPS5867384U (en) 1981-10-29 1981-10-29 “Kei” optical display tube drive circuit

Country Status (1)

Country Link
JP (1) JPS5867384U (en)

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