JPS6068741U - interface circuit - Google Patents
interface circuitInfo
- Publication number
- JPS6068741U JPS6068741U JP15945483U JP15945483U JPS6068741U JP S6068741 U JPS6068741 U JP S6068741U JP 15945483 U JP15945483 U JP 15945483U JP 15945483 U JP15945483 U JP 15945483U JP S6068741 U JPS6068741 U JP S6068741U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- light emitting
- circuit
- emitting diode
- output
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例の具体回路図、第２図は同上の
タイムチャートである。
２は出力回路、３は入力回路、４は機器、ＰＣＩ−ＰＣ
２はフォトカップラ、Ｄ３は第１の発光ダイオード、Ｄ
４は第２の発光ダイオード、Ｔｒ３は第１のフォトトラ
ンジスタ、Ｔｒ、は第２のフォトトランジスタを示す。FIG. 1 is a specific circuit diagram of an embodiment of the present invention, and FIG. 2 is a time chart of the same. 2 is the output circuit, 3 is the input circuit, 4 is the device, PCI-PC
2 is a photocoupler, D3 is a first light emitting diode, D
4 is a second light emitting diode, Tr3 is a first phototransistor, and Tr is a second phototransistor.
Claims (1)
受信機の出力回路と、該出力回路が受けた信号によって
制御される被制御回路の入力回路とを一対のフォトカッ
プラで光結合し、受信信号の立上り時だけ一方のフォト
カップラの第１の発光ダイオードを発光させると共に、
受信信号の立下り時だけ他方のフォトカップラの第２の
発光ダイオードを発光させる発光駆動手段を出力回路に
形成し、第１の発光ダイオードと光結合された第１のフ
ォトトランジスタの出力信号にて前記破割、 御回路の
機器を駆動し始めると共に、第２の発光ダイオードと光
結合された第２のフォトトランジ ゛スタの出力信号
にて前記機器の駆動を停止する制御手段を入力回路に形
成して成るインターフェース回路。A pair of photocouplers optically couple the output circuit of the receiver, which receives the signal from the signal line and uses it as a power source, and the input circuit of the controlled circuit, which is controlled by the signal received by the output circuit, and receives the signal. The first light emitting diode of one photocoupler emits light only at the rising edge of the signal, and
A light emitting drive means is formed in the output circuit to cause the second light emitting diode of the other photocoupler to emit light only when the received signal falls, and the output signal of the first phototransistor optically coupled to the first light emitting diode is used. A control means is formed in the input circuit to start driving the device in the control circuit and to stop driving the device in response to an output signal from a second phototransistor optically coupled to the second light emitting diode. An interface circuit consisting of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15945483U JPS6068741U (en) | 1983-10-15 | 1983-10-15 | interface circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15945483U JPS6068741U (en) | 1983-10-15 | 1983-10-15 | interface circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6068741U true JPS6068741U (en) | 1985-05-15 |
Family
ID=30351004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15945483U Pending JPS6068741U (en) | 1983-10-15 | 1983-10-15 | interface circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6068741U (en) |
-
1983
- 1983-10-15 JP JP15945483U patent/JPS6068741U/en active Pending
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