JPS58116346U - Pulse transmission circuit using photocoupler - Google Patents
Pulse transmission circuit using photocouplerInfo
- Publication number
- JPS58116346U JPS58116346U JP1982012843U JP1284382U JPS58116346U JP S58116346 U JPS58116346 U JP S58116346U JP 1982012843 U JP1982012843 U JP 1982012843U JP 1284382 U JP1284382 U JP 1284382U JP S58116346 U JPS58116346 U JP S58116346U
- Authority
- JP
- Japan
- Prior art keywords
- phototransistor
- photocoupler
- transmission circuit
- circuit
- emitter
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims 4
- 239000003990 capacitor Substances 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
- Electronic Switches (AREA)
- Dc Digital Transmission (AREA)
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図は本考案実施例回路構成図。第２図は動作説明用
タイムチャート。FIG. 1 is a circuit configuration diagram of an embodiment of the present invention. FIG. 2 is a time chart for explaining the operation.
Claims (2)
このフォトダイオードの発光をベース領域に受光しこの
発光があるどきにコレクタ・エミッタ間が導通状態とな
るフォトトランジスタと、このフォトトランジスタのコ
レクタにバイアス電流を供給するバイアス回路とを備え
、このフォトトランジスタのエミッタとこのバイアス回
路の共通電位点との間め電圧を出力信号とするフォトカ
プラによるパル又伝送回路において、上記フォトトラン
ジスタのベース・エミッタ間に接続された蓄積電荷放電
用の抵抗回路と、上記７オトトランジズ汐のコレクタと
上記共通電位点との間に接続されたコンデンサとを備え
たことを特徴とするフォトカプラによるパルス伝送回路
。(1) A photodiode driven by an input signal,
The phototransistor includes a phototransistor whose base region receives the light emitted from the photodiode and whose collector and emitter become conductive when the light emitted, and a bias circuit which supplies a bias current to the collector of the phototransistor. A resistor circuit for discharging accumulated charge connected between the base and emitter of the phototransistor in a pulse transmission circuit using a photocoupler that uses as an output signal a voltage between the emitter of the phototransistor and a common potential point of the bias circuit; A pulse transmission circuit using a photocoupler, comprising a capacitor connected between the collector of the above-mentioned 7 Ototransis and the above-mentioned common potential point.
範囲第（１）項に記載あフォトカプラによるパ ゛ル又
伝送回路。(2) A pulse or transmission circuit using a photocoupler as described in claim (1) of the utility model registration in which the capacitor includes a resistive component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982012843U JPS58116346U (en) | 1982-02-01 | 1982-02-01 | Pulse transmission circuit using photocoupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982012843U JPS58116346U (en) | 1982-02-01 | 1982-02-01 | Pulse transmission circuit using photocoupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58116346U true JPS58116346U (en) | 1983-08-09 |
| JPH039393Y2 JPH039393Y2 (en) | 1991-03-08 |
Family
ID=30025392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982012843U Granted JPS58116346U (en) | 1982-02-01 | 1982-02-01 | Pulse transmission circuit using photocoupler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58116346U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142834A (en) * | 2009-11-25 | 2011-08-03 | 松下电工神视株式会社 | Digital output circuit |
| TWI448079B (en) * | 2009-11-18 | 2014-08-01 | Panasonic Ind Devices Sunx Co | Digital input circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966269A (en) * | 1972-10-31 | 1974-06-27 |
-
1982
- 1982-02-01 JP JP1982012843U patent/JPS58116346U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966269A (en) * | 1972-10-31 | 1974-06-27 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI448079B (en) * | 2009-11-18 | 2014-08-01 | Panasonic Ind Devices Sunx Co | Digital input circuit |
| CN102142834A (en) * | 2009-11-25 | 2011-08-03 | 松下电工神视株式会社 | Digital output circuit |
| TWI448080B (en) * | 2009-11-25 | 2014-08-01 | Panasonic Ind Devices Sunx Co | Digital output circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039393Y2 (en) | 1991-03-08 |
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