JPH03111030U - - Google Patents
Info
- Publication number
- JPH03111030U JPH03111030U JP1968490U JP1968490U JPH03111030U JP H03111030 U JPH03111030 U JP H03111030U JP 1968490 U JP1968490 U JP 1968490U JP 1968490 U JP1968490 U JP 1968490U JP H03111030 U JPH03111030 U JP H03111030U
- Authority
- JP
- Japan
- Prior art keywords
- pulse signal
- circuit
- signal
- input pulse
- input
- 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
Description
第１図は本考案の一実施例の回路図、第２図は
本実施例を説明するための波形図、第３図は本考
案の他の実施例の回路図である。
１，１１……入力パルス信号入力端子、２，１
２……単安定マルチバイブレータ回路、３，１３
……論理積回路、１４，１５，１６……制御入力
信号端子、１７，１８，１９……論理積回路、Ａ
……入力パルス信号、Ｂ……単安定マルチバイブ
レータ出力パルス信号、Ｃ……駆動回路駆動用パ
ルス信号、Ｔ１……入力パルス信号パルス幅、Ｔ
２……単安定マルチバイブレータ出力パルス信号
パルス幅、Ｔ……入力パルス信号パルス繰返し時
間、Ｌ１〜Ｌ４……被駆動磁石線輪、Ｒ１〜Ｒ８
……駆動回路構成抵抗、Ｑ１〜Ｑ４……駆動用ト
ランジスタ、Ｖ１，Ｖ２……駆動用電源。
FIG. 1 is a circuit diagram of one embodiment of the present invention, FIG. 2 is a waveform diagram for explaining this embodiment, and FIG. 3 is a circuit diagram of another embodiment of the present invention. 1, 11... Input pulse signal input terminal, 2, 1
2... Monostable multivibrator circuit, 3,13
...AND circuit, 14,15,16...Control input signal terminal, 17,18,19...AND circuit, A
... Input pulse signal, B ... Monostable multivibrator output pulse signal, C ... Pulse signal for driving circuit driving, T1 ... Input pulse signal pulse width, T
2... Monostable multivibrator output pulse signal pulse width, T... Input pulse signal pulse repetition time, L1-L4... Driven magnet wire, R1-R8
... Drive circuit configuration resistance, Q1 to Q4... Drive transistor, V1, V2... Drive power supply.
Claims (1)
その駆動回路の前段に附加構成され、前記入力パ
ルス信号で動作し、前記入力パルス信号より長い
時定数をもつ単安定マルチバイブレータ回路と、
前記単安定マルチバイブレータ回路の出力パルス
信号と、前記入力パルス信号の双方が存在してい
る時にのみ出力信号を発生し、その出力信号を駆
動回路の入力信号とする論理積回路とからなるト
ランジスタ保護回路。 In a drive circuit that operates with an input pulse signal,
a monostable multivibrator circuit that is additionally configured before the drive circuit, operates with the input pulse signal, and has a time constant longer than the input pulse signal;
Transistor protection consisting of an AND circuit that generates an output signal only when both the output pulse signal of the monostable multivibrator circuit and the input pulse signal are present, and uses the output signal as an input signal of the drive circuit. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1968490U JPH03111030U (en) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1968490U JPH03111030U (en) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111030U true JPH03111030U (en) | 1991-11-14 |
Family
ID=31522787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1968490U Pending JPH03111030U (en) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111030U (en) |
-
1990
- 1990-02-27 JP JP1968490U patent/JPH03111030U/ja active Pending
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