JPH0324769U - - Google Patents
Info
- Publication number
- JPH0324769U JPH0324769U JP8455989U JP8455989U JPH0324769U JP H0324769 U JPH0324769 U JP H0324769U JP 8455989 U JP8455989 U JP 8455989U JP 8455989 U JP8455989 U JP 8455989U JP H0324769 U JPH0324769 U JP H0324769U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transistor
- blanking
- collector
- variable resistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案のブランキング回路の一実施例
を示したブロツク図、第２図は第１図で示した回
路の動作波形図、第３図は従来のブランキング回
路の一例を示したブロツク図、第４図は第３図で
示した回路の動作波形図である。
１１……トランジスタ、１２……コンデンサ、
１３，１４，１５，１６，１８……抵抗、１７…
…可変抵抗。
Figure 1 is a block diagram showing an embodiment of the blanking circuit of the present invention, Figure 2 is an operating waveform diagram of the circuit shown in Figure 1, and Figure 3 is an example of a conventional blanking circuit. The block diagram in FIG. 4 is an operating waveform diagram of the circuit shown in FIG. 3. 11...transistor, 12...capacitor,
13, 14, 15, 16, 18...Resistance, 17...
...variable resistance.
Claims (1)
エミツタ間がバイアスされ、かつベースに直流分
カツト用のコンデンサを介してブランキングパル
スが供給されるトランジスタと、 前記第１と第２の電圧源間に接続された可変抵
抗器を含む分圧回路と、 前記可変抵抗器にて分圧した電圧を前記トラン
ジスタのコレクタに供給する手段とを具備し、 前記トランジスタのコレクタに得られるパルス
をＣＲＴ用ブランキングパルスとして利用するよ
うにしたことを特徴とするブランキング回路。[Claims for Utility Model Registration] First and second voltage sources having different polarities, and a voltage from the first voltage source to generate a base voltage.
A voltage divider circuit including a transistor whose emitter is biased and whose base is supplied with a blanking pulse via a DC cut capacitor, and a variable resistor connected between the first and second voltage sources. and means for supplying the voltage divided by the variable resistor to the collector of the transistor, and the pulse obtained at the collector of the transistor is used as a blanking pulse for a CRT. blanking circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8455989U JPH0324769U (en) | 1989-07-20 | 1989-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8455989U JPH0324769U (en) | 1989-07-20 | 1989-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324769U true JPH0324769U (en) | 1991-03-14 |
Family
ID=31633122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8455989U Pending JPH0324769U (en) | 1989-07-20 | 1989-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001321461A (en) * | 2000-03-06 | 2001-11-20 | Sunrise Enterprise Kk | Golf ball |
-
1989
- 1989-07-20 JP JP8455989U patent/JPH0324769U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001321461A (en) * | 2000-03-06 | 2001-11-20 | Sunrise Enterprise Kk | Golf ball |