JPH02141132U - - Google Patents
Info
- Publication number
- JPH02141132U JPH02141132U JP5008589U JP5008589U JPH02141132U JP H02141132 U JPH02141132 U JP H02141132U JP 5008589 U JP5008589 U JP 5008589U JP 5008589 U JP5008589 U JP 5008589U JP H02141132 U JPH02141132 U JP H02141132U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- diode
- phototransistor
- transistor
- series
- 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 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の実施例の回路図である。
Ｑ１，ＴＲ１，ＴＲ２……トランジスタ、ＰＣ
１，ＰＣ２……ホトトランジスタ、Ｒ１〜Ｒ５…
…抵抗、Ｄ１，Ｄ２……ダイオード、Ｃ１……コ
ンデンサ。
FIG. 1 is a circuit diagram of an embodiment of the present invention. Q1, TR1, TR2...transistor, PC
1, PC2...phototransistor, R1-R5...
...Resistor, D1, D2...Diode, C1...Capacitor.
Claims (1)
スイツチ用トランジスタと、 前記負荷装置への電源供給端子間に直列に接続
された第１及び第２の抵抗と、 前記電源装置と前記トランジスタとの接続点と
前記第１の抵抗と第２の抵抗との接続点との間に
直列に接続された第３の抵抗および第１のダイオ
ードと、 前記トランジスタのベースに接続されたＯＮパ
ルス信号受信用の第１のホトトランジスタと、 前記第３の抵抗と前記第１のダイオードとの接
続点である抵抗ダイオード節点に接続されたＯＦ
Ｆパルス信号受信用の第２のホトトランジスタと
、前記節点と前記第１のホトトランジスタのベー
スとの間に接続された第２のダイオードと、 前記第１のホトトランジスタのベースとエミツ
タ間に接続されたコンデンサと を有するトランジスタスイツチ回路。[Claims for Utility Model Registration] A switching transistor connected in series between a power supply device and a load device, and first and second resistors connected in series between power supply terminals to the load device. , a third resistor and a first diode connected in series between a connection point between the power supply device and the transistor and a connection point between the first resistor and the second resistor; and a base of the transistor. a first phototransistor for receiving an ON pulse signal connected to an OF connected to a resistor diode node that is a connection point between the third resistor and the first diode;
a second phototransistor for receiving an F-pulse signal; a second diode connected between the node and the base of the first phototransistor; and a second diode connected between the base and emitter of the first phototransistor. Transistor switch circuit with a capacitor and .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5008589U JPH02141132U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5008589U JPH02141132U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141132U true JPH02141132U (en) | 1990-11-27 |
Family
ID=31568335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5008589U Pending JPH02141132U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141132U (en) |
-
1989
- 1989-04-27 JP JP5008589U patent/JPH02141132U/ja active Pending