JPS594592U - Fluorescent display tube drive circuit - Google Patents

Fluorescent display tube drive circuit

Info

Publication number
JPS594592U
JPS594592U JP9850482U JP9850482U JPS594592U JP S594592 U JPS594592 U JP S594592U JP 9850482 U JP9850482 U JP 9850482U JP 9850482 U JP9850482 U JP 9850482U JP S594592 U JPS594592 U JP S594592U
Authority
JP
Japan
Prior art keywords
display tube
fluorescent display
drive circuit
tube drive
grid
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
JP9850482U
Other languages
Japanese (ja)
Inventor
満尾　一彦
幡川　守
増尾　泰央
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 JP9850482U priority Critical patent/JPS594592U/en
Publication of JPS594592U publication Critical patent/JPS594592U/en
Pending legal-status Critical Current

Links

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図は従来の螢光表示管の駆動回路の一例の回路図、
第２図ａ、　　ｂは同上の動作説明のためのＡ点電圧波
形図、第３図は従来の他の例の回路図、第４図は本考案
の一実施例の回路図である。 １・・・螢光表示管、２・・・カソード、３ａ、　３ｂ
、。 ３ｎ・・・セグメント、４ａ、　　４ｂ・・・４ｎ・・
・グリッド、５ａ、　　５ｂ・・・５ｎ・・・トランジ
スタ、６ａ、　　６ｂ・・・６ｎ・・・アノード、７・
・・トランジスタ、８ａ、　　８ｂ・・・８ｎ・・・抵
抗。Figure 1 is a circuit diagram of an example of a conventional fluorescent display tube drive circuit.
2a and 2b are voltage waveform diagrams at point A for explaining the operation of the same as above, FIG. 3 is a circuit diagram of another conventional example, and FIG. 4 is a circuit diagram of an embodiment of the present invention. 1... Fluorescent display tube, 2... Cathode, 3a, 3b
,. 3n...Segment, 4a, 4b...4n...
・Grid, 5a, 5b...5n...Transistor, 6a, 6b...6n...Anode, 7.
...Transistor, 8a, 8b...8n...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 螢光表示管のカソードの両端に直流電圧を印加し、各セ
グメントのグリッドにスイッチング動作するトランジス
タを介して直流電圧を印加するとともにアノードにトラ
ンジスタを介して直流電圧を印加して発光させる如くし
た螢光表示管の駆動回路において、各グリッドにカソー
ド、グリッド間電位差が同じになるような抵抗を接続し
て成る螢光表示管の駆動回路。A fluorescent display tube in which a direct current voltage is applied to both ends of the cathode of the fluorescent display tube, the direct current voltage is applied to the grid of each segment via a switching transistor, and the direct current voltage is applied to the anode via the transistor to emit light. A fluorescent display tube drive circuit in which a resistor is connected to each grid so that the potential difference between the cathode and the grid is the same.
JP9850482U 1982-06-30 1982-06-30 Fluorescent display tube drive circuit Pending JPS594592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9850482U JPS594592U (en) 1982-06-30 1982-06-30 Fluorescent display tube drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9850482U JPS594592U (en) 1982-06-30 1982-06-30 Fluorescent display tube drive circuit

Publications (1)

Publication Number Publication Date
JPS594592U true JPS594592U (en) 1984-01-12

Family

ID=30233835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9850482U Pending JPS594592U (en) 1982-06-30 1982-06-30 Fluorescent display tube drive circuit

Country Status (1)

Country Link
JP (1) JPS594592U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03170996A (en) * 1989-11-30 1991-07-24 Futaba Corp Fluorescent light emitting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03170996A (en) * 1989-11-30 1991-07-24 Futaba Corp Fluorescent light emitting device

Similar Documents

Publication Publication Date Title
JPS594592U (en) Fluorescent display tube drive circuit
JPS6064669U (en) horizontal centering circuit
JPS60134326U (en) High voltage DC switching circuit
JPS58185894U (en) Fluorescent display tube drive circuit
JPS6130122U (en) Power supply circuit protection circuit
JPS5994394U (en) Fluorescent display panel drive circuit
JPS5845587U (en) Light emitting diode drive circuit
JPS60136099U (en) Drive circuit for thin film EL element
JPS5914420U (en) Tuning circuit
JPS59161186U (en) Fluorescent display tube lighting circuit
JPS60151129U (en) Electrolytic capacitor polarity reversal voltage application circuit
JPS5867384U (en) “Kei” optical display tube drive circuit
JPS58128482U (en) Cathode drive circuit for fluorescent display tube
JPS59186894U (en) Plasma display panel drive circuit
JPS6014684U (en) switching power supply
JPS5991072U (en) hold down circuit
JPS60184337U (en) traveling wave tube transmitter
JPS60124138U (en) CMOS switch latch-up prevention circuit
JPS6042749U (en) Discharge lamp lighting circuit
JPS59174771U (en) Picture tube drive circuit
JPS60652U (en) Highest voltage selection circuit
JPS59114591U (en) display device
JPS6128260U (en) display device
JPS59119622U (en) amplifier
JPS6143790U (en) DC multi-channel power supply