JPH0353055U - - Google Patents
Info
- Publication number
- JPH0353055U JPH0353055U JP1989113949U JP11394989U JPH0353055U JP H0353055 U JPH0353055 U JP H0353055U JP 1989113949 U JP1989113949 U JP 1989113949U JP 11394989 U JP11394989 U JP 11394989U JP H0353055 U JPH0353055 U JP H0353055U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pulse
- optical signal
- level
- light receiving
- 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
- 230000003287 optical effect Effects 0.000 claims 5
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000008054 signal transmission Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例の電気的構成を示す
ブロツク図、第２図は送受信動作を説明するため
のタイムチヤート、第３図は従来技術の電気的構
成を示すブロツク図、第４図は従来技術の送受信
動作を説明するためのタイムチヤートである。
２１……送信回路、２２……遅延回路、２３…
…クロツク発生回路、２４……ＳＲフリツプフロ
ツプ、２６……発光ダイオード、３０……光フア
イバ、３１……受信回路、３２……フオトトラン
ジスタ、３４……比較回路、３５……基準電圧源
、Ｆ１〜Ｆｎ……シフトレジスタ。
FIG. 1 is a block diagram showing the electrical configuration of an embodiment of the present invention, FIG. 2 is a time chart for explaining the transmitting and receiving operation, FIG. 3 is a block diagram showing the electrical configuration of the prior art, and FIG. The figure is a time chart for explaining the transmission and reception operations of the prior art. 21... Transmission circuit, 22... Delay circuit, 23...
... Clock generation circuit, 24 ... SR flip-flop, 26 ... Light emitting diode, 30 ... Optical fiber, 31 ... Receiving circuit, 32 ... Photo transistor, 34 ... Comparison circuit, 35 ... Reference voltage source, F1 - Fn...Shift register.
Claims (1)
を予め定める弁別レベルでレベル弁別するレベル
弁別回路とを備える受信回路に前記光信号を送信
する光信号送信回路において、 伝送すべき矩形波パルスを発生するパルス発生
源と、 パルス発生源からのパルスを遅延し、送信すべ
きパルスと、受光素子の出力を前記レベル弁別回
路でレベル弁別して得られる矩形波との時間差だ
け、パルス幅を圧縮するパルス幅変換回路と、 前記パルス幅変換回路の出力によつて駆動され
、前記受光素子に光信号を与える発光素子とを含
むことを特徴とする光信号送信回路。[Claims for Utility Model Registration] An optical signal transmitting circuit that transmits the optical signal to a receiving circuit that includes a light receiving element that receives the optical signal and a level discrimination circuit that discriminates the level of the output of the light receiving element at a predetermined discrimination level. , a pulse generation source that generates a rectangular wave pulse to be transmitted, a pulse to be transmitted by delaying the pulse from the pulse generation source, and a rectangular wave obtained by level-discriminating the output of the light receiving element by the level discrimination circuit. An optical signal transmission circuit comprising: a pulse width conversion circuit that compresses a pulse width by a time difference; and a light emitting element that is driven by the output of the pulse width conversion circuit and provides an optical signal to the light receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989113949U JPH084756Y2 (en) | 1989-09-27 | 1989-09-27 | Optical signal transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989113949U JPH084756Y2 (en) | 1989-09-27 | 1989-09-27 | Optical signal transmission circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0353055U true JPH0353055U (en) | 1991-05-22 |
| JPH084756Y2 JPH084756Y2 (en) | 1996-02-07 |
Family
ID=31662341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989113949U Expired - Lifetime JPH084756Y2 (en) | 1989-09-27 | 1989-09-27 | Optical signal transmission circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084756Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016071962A1 (en) * | 2014-11-04 | 2016-05-12 | 三菱電機株式会社 | Communication system, signal transfer method, and air conditioner |
-
1989
- 1989-09-27 JP JP1989113949U patent/JPH084756Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016071962A1 (en) * | 2014-11-04 | 2016-05-12 | 三菱電機株式会社 | Communication system, signal transfer method, and air conditioner |
| US10254002B2 (en) | 2014-11-04 | 2019-04-09 | Mitsubishi Electric Corporation | Communication system, signal transfer method, and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084756Y2 (en) | 1996-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0353055U (en) | ||
| SE7704372L (en) | COUPLING DEVICE FOR GENERATING A PULSE LENGTH MODULATED SIGNAL | |
| JPS6471247A (en) | Interface circuit | |
| JP2004530234A5 (en) | ||
| JPS56123125A (en) | Photoelectric detector | |
| JPS6122356Y2 (en) | ||
| SU1456787A1 (en) | Device for remote measurement of consumption of electric power | |
| SU1688268A1 (en) | Discrete data transceiver | |
| SU1406811A1 (en) | Device for transmitting ternary digital linear signal | |
| JPS56154868A (en) | Facsimile transmitter | |
| JPS619952U (en) | Pulse number modulation signal transmission device | |
| JPS59109163U (en) | Photo interrupter | |
| JPS60181684U (en) | optical radar device | |
| JPS60185235U (en) | optical power meter | |
| JPS58116679U (en) | light detection circuit | |
| JPH0224274Y2 (en) | ||
| JPS58134783U (en) | photoelectric switch | |
| JPH0434583Y2 (en) | ||
| JPS5955648A (en) | Optical transmission device | |
| JPH01153751U (en) | ||
| JPH01111365U (en) | ||
| JPH0583005B2 (en) | ||
| JPS5690675A (en) | Scanning system for matrix of photoelectric converting element | |
| JPS6323622U (en) | ||
| JPS6068725U (en) | photoelectric switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |