JPS63153290U - - Google Patents
Info
- Publication number
- JPS63153290U JPS63153290U JP4520287U JP4520287U JPS63153290U JP S63153290 U JPS63153290 U JP S63153290U JP 4520287 U JP4520287 U JP 4520287U JP 4520287 U JP4520287 U JP 4520287U JP S63153290 U JPS63153290 U JP S63153290U
- Authority
- JP
- Japan
- Prior art keywords
- display tube
- power supply
- output voltage
- supply circuit
- drive device
- 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
Links
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の電源回路図、第２図は従来の
電源回路図、第３図は表示管の電位関係概念図、
第４図は各セグメントのグリツド、アノード電極
波形図である。
符号、１：蛍光表示管、２：出力電圧低減回路
。
Figure 1 is a power supply circuit diagram of the present invention, Figure 2 is a conventional power supply circuit diagram, Figure 3 is a conceptual diagram of the potential relationship of the display tube,
FIG. 4 is a diagram of the grid and anode electrode waveforms of each segment. Symbol: 1: Fluorescent display tube, 2: Output voltage reduction circuit.
Claims (1)
ミツク点灯表示管駆動装置の電源回路において、 ダイナミツク点灯させるスキヤン信号が停止し
たとき出力電圧を低減させる出力電圧低減回路を
設けたことを特徴とするダイナミツク点灯表示管
駆動装置の電源回路。[Scope of Claim for Utility Model Registration] In the power supply circuit of a dynamic lighting display tube drive device for dynamically lighting a fluorescent display tube, etc., an output voltage reduction circuit is provided to reduce the output voltage when the scan signal for dynamically lighting stops. This is a power supply circuit for a dynamic lighting display tube drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987045202U JP2549051Y2 (en) | 1987-03-26 | 1987-03-26 | Power supply circuit for dynamic lighting indicator tube drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987045202U JP2549051Y2 (en) | 1987-03-26 | 1987-03-26 | Power supply circuit for dynamic lighting indicator tube drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63153290U true JPS63153290U (en) | 1988-10-07 |
| JP2549051Y2 JP2549051Y2 (en) | 1997-09-24 |
Family
ID=30863727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987045202U Expired - Lifetime JP2549051Y2 (en) | 1987-03-26 | 1987-03-26 | Power supply circuit for dynamic lighting indicator tube drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2549051Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177093A (en) * | 1984-09-25 | 1986-04-19 | 日本電気株式会社 | Fluorescent indicator tube driving circuit |
-
1987
- 1987-03-26 JP JP1987045202U patent/JP2549051Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177093A (en) * | 1984-09-25 | 1986-04-19 | 日本電気株式会社 | Fluorescent indicator tube driving circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2549051Y2 (en) | 1997-09-24 |
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