JPH03110484U - - Google Patents
Info
- Publication number
- JPH03110484U JPH03110484U JP1680190U JP1680190U JPH03110484U JP H03110484 U JPH03110484 U JP H03110484U JP 1680190 U JP1680190 U JP 1680190U JP 1680190 U JP1680190 U JP 1680190U JP H03110484 U JPH03110484 U JP H03110484U
- Authority
- JP
- Japan
- Prior art keywords
- grid
- voltage
- drive circuit
- supplies
- power source
- 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 3
Landscapes
- Transforming Electric Information Into Light Information (AREA)
Description
第１図は本考案の一実施例のＣＲＴ駆動回路の
構成図、第２図は第１図のスイツチ回路の一例を
示す図、第３図は従来のＣＲＴ駆動回路を示す図
である。
１……スイツチ回路、２……分圧回路。
FIG. 1 is a block diagram of a CRT drive circuit according to an embodiment of the present invention, FIG. 2 is a diagram showing an example of the switch circuit of FIG. 1, and FIG. 3 is a diagram showing a conventional CRT drive circuit. 1...Switch circuit, 2...Voltage divider circuit.
Claims (1)
行うＣＲＴ駆動回路をおいて、 グリツドに供給する単一極性の出力電圧を有す
るグリツド電源Ｅ１と、 前記グリツド電源Ｅ１の出力電圧の基準電位と
正の出力電位とを切り換えてグリツドに供給する
電圧切換手段１と、 前記グリツド電源Ｅ１の正の出力電位を分圧し
、その分圧した電圧をフイラメントの一端に供給
する分圧手段２とを備えたことを特徴とするＣＲ
Ｔ駆動回路。[Claims for Utility Model Registration] A grid power source E1 having a CRT drive circuit that controls the brightness of the CRT by switching the grid voltage, and having a single polarity output voltage to supply the grid ; A voltage switching means 1 that switches between a reference potential of an output voltage and a positive output potential and supplies the grid to the grid; and a voltage switching means 1 that divides the positive output potential of the grid power source E 1 and supplies the divided voltage to one end of the filament. A CR characterized in that it is equipped with a pressure dividing means 2.
T drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1680190U JPH03110484U (en) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1680190U JPH03110484U (en) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110484U true JPH03110484U (en) | 1991-11-13 |
Family
ID=31520054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1680190U Pending JPH03110484U (en) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110484U (en) |
-
1990
- 1990-02-23 JP JP1680190U patent/JPH03110484U/ja active Pending