JPH01155096U - - Google Patents
Info
- Publication number
- JPH01155096U JPH01155096U JP4804288U JP4804288U JPH01155096U JP H01155096 U JPH01155096 U JP H01155096U JP 4804288 U JP4804288 U JP 4804288U JP 4804288 U JP4804288 U JP 4804288U JP H01155096 U JPH01155096 U JP H01155096U
- Authority
- JP
- Japan
- Prior art keywords
- filament electrode
- electrode
- resistor
- segment
- switch means
- 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
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図はこの考案の一実施例による蛍光表示管
の駆動回路を示す回路図、第２図は従来の蛍光表
示管の駆動回路を示す回路図、第３図は本考案及
び従来の蛍光表示管の駆動回路が利用されている
車両用ヘツドアツプ式表示装置の構成図である。
４……セグメント電極、６……フイラメント電
極、７……電源、８……抵抗、９……スイツチ手
段（スイツチ）。
Fig. 1 is a circuit diagram showing a drive circuit for a fluorescent display tube according to an embodiment of the present invention, Fig. 2 is a circuit diagram showing a drive circuit for a conventional fluorescent display tube, and Fig. 3 is a circuit diagram showing a drive circuit for a conventional fluorescent display tube according to the present invention and a conventional fluorescent display. 1 is a configuration diagram of a head-up display device for a vehicle in which a tube drive circuit is utilized. 4... Segment electrode, 6... Filament electrode, 7... Power source, 8... Resistor, 9... Switch means (switch).
Claims (1)
セグメント電極４と、フイラメント電極６と、常
時該フイラメント電極６に給電する電源７とを備
え、該フイラメント電極６の給電ラインに抵抗８
を介挿すると共に、該抵抗８に並列にスイツチ手
段９を接続せしめ、前記セグメント点灯信号の供
給が停止されたとき前記スイツチ手段９をオフに
切換えたことを特徴とする蛍光表示管の駆動回路
。 It is equipped with a segment electrode 4 to which a segment lighting signal for display is supplied, a filament electrode 6, and a power source 7 that constantly supplies power to the filament electrode 6, and a resistor 8 is connected to the power supply line of the filament electrode 6.
A drive circuit for a fluorescent display tube, characterized in that a switch means 9 is connected in parallel to the resistor 8, and the switch means 9 is turned off when the supply of the segment lighting signal is stopped. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804288U JPH01155096U (en) | 1988-04-09 | 1988-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804288U JPH01155096U (en) | 1988-04-09 | 1988-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155096U true JPH01155096U (en) | 1989-10-25 |
Family
ID=31274211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4804288U Pending JPH01155096U (en) | 1988-04-09 | 1988-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155096U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649583B2 (en) * | 1975-12-08 | 1981-11-24 | ||
| JPS58117595A (en) * | 1982-01-06 | 1983-07-13 | 伊勢電子工業株式会社 | Driving of fluorescent display unit |
-
1988
- 1988-04-09 JP JP4804288U patent/JPH01155096U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5649583B2 (en) * | 1975-12-08 | 1981-11-24 | ||
| JPS58117595A (en) * | 1982-01-06 | 1983-07-13 | 伊勢電子工業株式会社 | Driving of fluorescent display unit |