JPH0442692U - - Google Patents

Info

Publication number
JPH0442692U
JPH0442692U JP8310790U JP8310790U JPH0442692U JP H0442692 U JPH0442692 U JP H0442692U JP 8310790 U JP8310790 U JP 8310790U JP 8310790 U JP8310790 U JP 8310790U JP H0442692 U JPH0442692 U JP H0442692U
Authority
JP
Japan
Prior art keywords
display tube
fluorescent display
drive circuit
transistor
emitter
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
JP8310790U
Other languages
Japanese (ja)
Other versions
JP2548181Y2 (en
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 JP1990083107U priority Critical patent/JP2548181Y2/en
Publication of JPH0442692U publication Critical patent/JPH0442692U/ja
Application granted granted Critical
Publication of JP2548181Y2 publication Critical patent/JP2548181Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に係る蛍光表示管のドライブ
回路の実施例を示す回路図である。第２図は従来
例の回路図である。 主な符号の説明、１……メインブロツク、１ａ
……マイクロコンピユータ、２……表示／操作部
、３……ドライブ制御信号線、Ｑ１……トランジ
スタ、Ｖ１……蛍光表示管、Ｒ０，Ｒ１……抵抗
。 FIG. 1 is a circuit diagram showing an embodiment of a drive circuit for a fluorescent display tube according to this invention. FIG. 2 is a circuit diagram of a conventional example. Explanation of main symbols, 1...Main block, 1a
... Microcomputer, 2 ... Display/operation section, 3 ... Drive control signal line, Q 1 ... Transistor, V 1 ... Fluorescent display tube, R 0 , R 1 ... Resistor.

Claims (1)

【実用新案登録請求の範囲】 トランジスタと、蛍光表示管とからなり、前記
トランジスタをエミツタフオロア構成で蛍光表示
管のグリツドに接続し、ベースにドライブ信号を
、エミツタには抵抗を介して消去電圧を加えてな
る蛍光表示管ドライブ回路において、 前記トランジスタのベースとエミツタ間に抵抗
を接続することで、前記蛍光表示管ドライブ回路
への制御信号線を１本の接続線で構成したことを
特徴とする蛍光表示管ドライブ回路。[Claim for Utility Model Registration] Consisting of a transistor and a fluorescent display tube, the transistor is connected to the grid of the fluorescent display tube in an emitter-follower configuration, and a drive signal is applied to the base and an erase voltage is applied to the emitter via a resistor. A fluorescent display tube drive circuit comprising a fluorescent display tube drive circuit, characterized in that a resistor is connected between the base and emitter of the transistor, so that a control signal line to the fluorescent display tube drive circuit is configured with a single connection line. Display tube drive circuit.
JP1990083107U 1990-08-07 1990-08-07 Fluorescent tube drive circuit Expired - Fee Related JP2548181Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990083107U JP2548181Y2 (en) 1990-08-07 1990-08-07 Fluorescent tube drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990083107U JP2548181Y2 (en) 1990-08-07 1990-08-07 Fluorescent tube drive circuit

Publications (2)

Publication Number Publication Date
JPH0442692U true JPH0442692U (en) 1992-04-10
JP2548181Y2 JP2548181Y2 (en) 1997-09-17

Family

ID=31630500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990083107U Expired - Fee Related JP2548181Y2 (en) 1990-08-07 1990-08-07 Fluorescent tube drive circuit

Country Status (1)

Country Link
JP (1) JP2548181Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599573U (en) * 1978-12-29 1980-07-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599573U (en) * 1978-12-29 1980-07-10

Also Published As

Publication number Publication date
JP2548181Y2 (en) 1997-09-17

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Legal Events

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LAPS Cancellation because of no payment of annual fees