JPS6142464B2 - - Google Patents
Info
- Publication number
- JPS6142464B2 JPS6142464B2 JP12788179A JP12788179A JPS6142464B2 JP S6142464 B2 JPS6142464 B2 JP S6142464B2 JP 12788179 A JP12788179 A JP 12788179A JP 12788179 A JP12788179 A JP 12788179A JP S6142464 B2 JPS6142464 B2 JP S6142464B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- receiving
- transmitting
- receives
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Description
【発明の詳細な説明】
本発明は送信側装置と、受信側装置が非接触で
信号の授受を行う装置に関し、特に信頼性の高い
信号授受装置に関する。非接触で信号の授受を行
う場合、外乱の影響を受けやすく、信号を正しく
授受するためには、それなりの工夫が必要であ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for transmitting and receiving signals between a transmitting device and a receiving device in a non-contact manner, and particularly to a highly reliable signal transmitting and receiving device. When transmitting and receiving signals without contact, it is easily affected by disturbances, and certain measures are required to transmit and receive signals correctly.
第１図は、従来例の１つを示すもので送信側の
送信回路１で、周波数o〔Hz〕の搬送波７を送
信信号６によつて変調して送信し、受信側では受
信回路２によつてこれを受信し、受信した信号を
同じ周波数o〔Hz〕にピークを持つバンドパス
フイルター３を通し、更に整流回路４、波形整形
回路５を通して受信信号８を得るものである。 FIG. 1 shows one of the conventional examples. A transmitting circuit 1 on the transmitting side modulates a carrier wave 7 of frequency o [Hz] with a transmitting signal 6, and transmits the modulated signal to a receiving circuit 2 on the receiving side. Therefore, the received signal is passed through a band pass filter 3 having a peak at the same frequency o (Hz), and further passed through a rectifier circuit 4 and a waveform shaping circuit 5 to obtain a received signal 8.
この従来例では、搬送信号o〔Hz〕の発振器
と、これに同調したフイルターを要し、周波数特
性の一致が要求される。また外乱の周波数がo
〔Hz〕と一致すれば受信側で誤つた信号を受信す
る危険性があり、また整流回路を通すため、時定
数による時間遅れが生じ、送受信信号の同時性が
要求される場合、問題であつた。 This conventional example requires an oscillator for the carrier signal o [Hz] and a filter tuned to the oscillator, and requires matching of frequency characteristics. Also, the frequency of the disturbance is o
[Hz], there is a risk that the receiving side will receive an incorrect signal, and since it passes through a rectifier circuit, there will be a time delay due to the time constant, which can be a problem if synchronization of the transmitted and received signals is required. Ta.
本発明は、上記した従来技術の欠点に鑑み発明
したもので、その目的とするところは、信頼性が
高く、確実に信号の授受を行う非接触の信号授受
装置を提供するにある。本発明の特徴とするとこ
ろは、送信側装置として信号の送信を行う送信回
路と、受信側装置からの応答信号を受信する受信
回路と、先きに送信した信号と応答信号の一致を
検出する一致回路と、一致回路の出力を受信側へ
送信する送信回路を有し、また受信側装置とし
て、送信側装置から送られて来た信号を受信する
受信回路と、受信した信号を送信側装置へ応答信
号として送信する送信回路と、送信側装置からの
一致信号を受信する受信回路を有し、送信側およ
び受信側装置ともに一致信号により信号が確実に
授受されていることを確認出来るようにしている
ことである。 The present invention was invented in view of the above-mentioned drawbacks of the prior art, and its purpose is to provide a contactless signal exchange device that is highly reliable and can reliably transmit and receive signals. The present invention is characterized by a transmitting circuit that transmits a signal as a transmitting device, a receiving circuit that receives a response signal from a receiving device, and detecting a match between the previously transmitted signal and the response signal. It has a matching circuit and a transmitting circuit that transmits the output of the matching circuit to the receiving side, and also has a receiving circuit that receives a signal sent from the transmitting side device as a receiving side device, and a receiving circuit that transmits the received signal to the transmitting side device. It has a transmitting circuit that transmits a response signal to the device, and a receiving circuit that receives a coincidence signal from the transmitting device, so that both the transmitting device and the receiving device can confirm that the signal is being reliably exchanged based on the coincidence signal. This is what is happening.
第２図は本発明の一実施例構成図を示すもので
ある。 FIG. 2 shows a configuration diagram of an embodiment of the present invention.
第２図において１００は送信側装置、２００は
受信側装置でこれらは非接触で信号の授受を行う
ものである。送信側装置１００は、送信信号１０
８を送信する送信回路１０１、受信側装置２００
からの応答信号を受信する受信回路１０４、送信
信号１０８と応答信号（図示せず）の一致を検出
する一致回路１０５および一致回路の出力１１０
を受信側装置２００へ送信する送信回路１０６か
ら構成されており、受信側装置２００は、送信回
路１０１からの信号を受信する受信回路２０２、
受信信号２０９を応答信号として送信側装置１０
０へ送信する送信回路２０３および送信側装置１
００からの一致信号を受信する受信回路２０７か
ら構成されている。送信回路１０１は、送信用増
幅器１１１と発光ダイオード１１２を主構成要素
としており、送信信号１０８が入力すると、この
信号が「１」レベルの時だけ発光ダイード１１２
が発光する。この光を受信回路２０２のフオトト
ランジスタ２２１が受光し、受信用の整形増幅器
２２２を介して受信信号２０９を得る。受信信号
２０９は同時に、送信回路２０３の送信用増幅器
２３１により増幅され、発光ダイオード２３２を
介して送信側装置１００へ応答信号として送信さ
れる。送信側装置１００では、受信側装置２００
の送信回路２０３からの応答信号を受信回路１０
４のフオトトランジスタ１４１で受信し、受信用
の整形増幅器１４２を介して一致回路１０５に入
力させる。一致回路１０５は排他的論理和回路
（EOR）１５１と反転増幅器１５２から構成され
ており、EOR回路１５１には送信回路１０１か
らの送信用信号１０８と受信回路１０４からの応
答信号が入力されており、送信用信号１０８と応
答信号が一致している期間に、一致信号１１０を
出力する。一致信号１１０は、受信側装置２００
が正しい信号の受信を行なつていることの確認の
ために用いられ、同時に、送信回路１０６の送信
用増幅器１６１および発光ダイオード１６２を介
して受信側装置２００へ送信される。受信側装置
２００では、受信回路２０７のフオトトランジス
タ２７１で一致信号を受信し、受信用の整形増幅
器２７２を介して受信一致信号２１１を得る。受
信一致信号２１１が出力されている期間は、受信
信号２０９が正しい信号であることを意味し、こ
のように、送信側装置１００、受信側装置２００
では、一致信号１１０および受信一致信号２１１
により信号が確実に授受されていることを確認で
きる。 In FIG. 2, 100 is a transmitting side device, and 200 is a receiving side device, which transmit and receive signals in a non-contact manner. The transmitting side device 100 transmits the transmitted signal 10
A transmitting circuit 101 that transmits 8, a receiving device 200
a receiving circuit 104 that receives a response signal from a receiver, a matching circuit 105 that detects a match between the transmitted signal 108 and a response signal (not shown), and an output 110 of the matching circuit.
The receiving device 200 includes a receiving circuit 202 that receives a signal from the transmitting circuit 101;
The transmitting device 10 uses the received signal 209 as a response signal.
Transmitting circuit 203 and transmitting device 1 transmitting to
It consists of a receiving circuit 207 that receives a coincidence signal from 00. The transmitting circuit 101 has a transmitting amplifier 111 and a light emitting diode 112 as its main components. When a transmitting signal 108 is input, the light emitting diode 112 is activated only when this signal is at the "1" level.
emits light. This light is received by the phototransistor 221 of the receiving circuit 202, and a received signal 209 is obtained via the receiving shaping amplifier 222. The received signal 209 is simultaneously amplified by the transmitting amplifier 231 of the transmitting circuit 203 and transmitted as a response signal to the transmitting side device 100 via the light emitting diode 232. In the sending device 100, the receiving device 200
The receiving circuit 10 receives the response signal from the transmitting circuit 203 of
The received signal is received by the phototransistor 141 of No. 4, and is input to the matching circuit 105 via the receiving shaping amplifier 142. The coincidence circuit 105 is composed of an exclusive OR circuit (EOR) 151 and an inverting amplifier 152, and the transmission signal 108 from the transmission circuit 101 and the response signal from the reception circuit 104 are input to the EOR circuit 151. , a matching signal 110 is output during a period when the transmission signal 108 and the response signal match. The coincidence signal 110 is transmitted to the receiving device 200
is used to confirm that the signal is being received correctly, and is simultaneously transmitted to the receiving device 200 via the transmitting amplifier 161 and light emitting diode 162 of the transmitting circuit 106. In the receiving device 200, the phototransistor 271 of the receiving circuit 207 receives the coincidence signal, and the received coincidence signal 211 is obtained via the receiving shaping amplifier 272. The period in which the reception matching signal 211 is output means that the reception signal 209 is a correct signal, and in this way, the transmission side device 100 and the reception side device 200
Then, the coincidence signal 110 and the received coincidence signal 211
This allows you to confirm that signals are being sent and received reliably.
第２図の実施例において、送信回路１０１の発
光ダイード１１２が劣化などにより信号の送信が
できなくなつた場合には、受信信号２０９はなく
なるが、送信側装置１００では、送信信号１０８
はあつたにもかかわらず、一致信号１１０がない
というこで、故障を早期に発見できる。また、従
来の、例えば第１図の例では、フイルタ、整流回
路による時間遅れが、数msec程度あるが、本発
明の望ましい実施例では、せいぜい数μ〜十数μ
sec程度の遅れしか生せず、信号の同時性にも優
れている。 In the embodiment shown in FIG. 2, if the light emitting diode 112 of the transmitting circuit 101 becomes unable to transmit a signal due to deterioration or the like, the received signal 209 disappears, but the transmitting device 100 receives the transmitted signal 108.
The fact that there is no coincidence signal 110 even though the temperature is high allows early detection of a failure. Furthermore, in the conventional example shown in FIG. 1, the time delay caused by the filter and rectifier circuit is approximately several milliseconds, but in the preferred embodiment of the present invention, the time delay is approximately several microseconds to several tens of microseconds at most.
It produces only a delay of about seconds and has excellent signal simultaneity.
第１図は、従来技術による信号授受装置の一例
を示すブロツク図、第２図は本発明の一実施例構
成図である。
１００……送信側装置、２００……受信側装
置、１０１，１０６，２０３……送信回路、１０
４，２０２，２０７……受信回路、１０５……一
致回路、１０８……送信信号、１１０……一致信
号、２０９……受信信号、２１１……受信一致信
号。
FIG. 1 is a block diagram showing an example of a signal transfer device according to the prior art, and FIG. 2 is a block diagram showing an embodiment of the present invention. 100... Transmitting side device, 200... Receiving side device, 101, 106, 203... Transmitting circuit, 10
4, 202, 207...reception circuit, 105...matching circuit, 108...transmission signal, 110...matching signal, 209...reception signal, 211...reception matching signal.
Claims (1)
受を行う装置において、送信側装置は、信号の送
信を行う第１の送信回路と、受信側装置からの応
答信号を受信する受信回路と、先に送信した信号
と応答信号の一致を検出する一致回路と、一致回
路の出力を受信側へ送信する第２の送信回路を有
し、受信側装置は、第１の送信回路からの信号を
受信する第１の受信回路と、受信した信号を送信
側装置へ応答信号として送信する送信回路と、送
信側装置からの一致信号を受信する第２の受信回
路を有し、送信側装置は該一致回路の出力により
受信側装置が正しい信号の受信を行なつているこ
とを確認し、受信側装置は該第２の受信回路の出
力により送信側装置からの信号を正しく受信して
いることを確認するようにしたことを特徴とする
信号授受装置。1. In a device in which a transmitting device and a receiving device exchange signals in a non-contact manner, the transmitting device has a first transmitting circuit that transmits signals, and a receiving circuit that receives a response signal from the receiving device. , a matching circuit that detects a match between the previously transmitted signal and the response signal, and a second transmitting circuit that transmits the output of the matching circuit to the receiving side, and the receiving side device receives the signal from the first transmitting circuit. The transmitting device includes a first receiving circuit that receives the signal, a transmitting circuit that transmits the received signal as a response signal to the transmitting device, and a second receiving circuit that receives the matching signal from the transmitting device. The output of the matching circuit confirms that the receiving device is receiving the correct signal, and the output of the second receiving circuit confirms that the receiving device is correctly receiving the signal from the transmitting device. A signal transmitting and receiving device characterized in that it is configured to confirm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12788179A JPS5652947A (en) | 1979-10-05 | 1979-10-05 | Signal transmitter and receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12788179A JPS5652947A (en) | 1979-10-05 | 1979-10-05 | Signal transmitter and receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5652947A JPS5652947A (en) | 1981-05-12 |
| JPS6142464B2 true JPS6142464B2 (en) | 1986-09-20 |
Family
ID=14970944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12788179A Granted JPS5652947A (en) | 1979-10-05 | 1979-10-05 | Signal transmitter and receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5652947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005250784A (en) * | 2004-03-03 | 2005-09-15 | Yaskawa Electric Corp | Drive shaft operation system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4498196A (en) * | 1982-07-27 | 1985-02-05 | General Electric Company | Testable optically isolated control circuit |
| US4495655A (en) * | 1982-07-27 | 1985-01-22 | General Electric Company | Testable optically isolated control circuit |
-
1979
- 1979-10-05 JP JP12788179A patent/JPS5652947A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005250784A (en) * | 2004-03-03 | 2005-09-15 | Yaskawa Electric Corp | Drive shaft operation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5652947A (en) | 1981-05-12 |
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