JPS63182454U - - Google Patents
Info
- Publication number
- JPS63182454U JPS63182454U JP7503487U JP7503487U JPS63182454U JP S63182454 U JPS63182454 U JP S63182454U JP 7503487 U JP7503487 U JP 7503487U JP 7503487 U JP7503487 U JP 7503487U JP S63182454 U JPS63182454 U JP S63182454U
- Authority
- JP
- Japan
- Prior art keywords
- tap
- display module
- fluorescent display
- primary winding
- filament
- 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
- 238000004804 winding Methods 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の第１の実施例を示すＤＣ・Ｄ
Ｃコンバータ部の回路図である。第２図は本考案
の第２の実施例を示すＤＣ・ＤＣコンバータ部の
回路図である。第３図は、従来の蛍光表示モジユ
ールのＤＣ・ＤＣコンバータ部を示す回路図であ
る。
各図において、１，２……トランジスタ、３，
９……抵抗、４……コンデンサ、５，２２，２３
……出力端子、６……ダイオード、７……電解コ
ンデンサ、８……ツエナーダイオード、１０，１
１，１２……スイツチ、１３……入出端子、２０
……トランス、２１……フイードバツク端子、２
４，２６……タツプ、２５，２７……巻線端部。
FIG. 1 shows the first embodiment of the present invention.
It is a circuit diagram of a C converter part. FIG. 2 is a circuit diagram of a DC/DC converter section showing a second embodiment of the present invention. FIG. 3 is a circuit diagram showing a DC/DC converter section of a conventional fluorescent display module. In each figure, 1, 2...transistor, 3,
9...Resistor, 4...Capacitor, 5, 22, 23
... Output terminal, 6 ... Diode, 7 ... Electrolytic capacitor, 8 ... Zener diode, 10,1
1, 12...Switch, 13...Input/output terminal, 20
...Transformer, 21...Feedback terminal, 2
4, 26...Tap, 25, 27...Winding end.
Claims (1)
圧用ＤＣ・ＤＣコンバータのトランスの一次巻線
にタツプを設け、該タツプによつて一次巻線の一
部を短絡することにより二次側の出力電圧を昇圧
し、フイラメントの活性化を可能とすることを特
徴とする蛍光表示モジユール。 In the fluorescent display module, a tap is provided on the primary winding of the transformer of the filament voltage DC/DC converter, and by short-circuiting a part of the primary winding with the tap, the output voltage on the secondary side is boosted, and the filament A fluorescent display module characterized in that it enables activation of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7503487U JPS63182454U (en) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7503487U JPS63182454U (en) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182454U true JPS63182454U (en) | 1988-11-24 |
Family
ID=30920809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7503487U Pending JPS63182454U (en) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182454U (en) |
-
1987
- 1987-05-18 JP JP7503487U patent/JPS63182454U/ja active Pending