【発明の詳細な説明】（産業上の利用分野〕この発明は光通信装置に関するもので、更に評しく古う
と、伝達信号と電源の直流分の２つを虚１１させて光信
号として伝達し、受光部側が伝達された光信号中の直流
分を電源として使用することができる光通信′Ｖ＆２に
関するものである。[Detailed Description of the Invention] (Industrial Application Field) This invention relates to an optical communication device, and more particularly, it is a device that converts a transmission signal and a DC component of a power supply into imaginary 11 and transmits it as an optical signal. , relates to optical communication 'V&2' in which the light receiving section side can use the DC component in the transmitted optical signal as a power source.
従来電気信号の伝達は、２を線、無ａ等の電気的手段に
て伝送されでいたが、尤ファイバーのｎｊｌによって電
気信号の伝達手段か電気的１段より九手段に切替えられ
る傾向が出てきた。光１段１．ｉ九通信とも呼ばれ、電
気信号を発光ダイオード、レーザ等の発光素子で光信号
に変換して、これを伝送路である光ファイバーで伝送し
、フォト１−５ンジスタ等の受光素子で再び電気信りに
戻し情報を光手段により伝達する装置である。Conventionally, electrical signals were transmitted by electrical means such as wires or non-aqueous wires, but with the introduction of fiber optic cables, there is a tendency to switch from electrical one stage to electrical signal transmission means. It's here. 1 stage of light 1. Also called i-9 communication, electrical signals are converted into optical signals using light-emitting elements such as light-emitting diodes and lasers, and then transmitted through optical fibers, which are transmission paths. This is a device that transmits information back to the destination by optical means.
この光通信Ｈ置は、外部からの“Ｎｌ磁誘導道呂の影響
を受けず、またそれ自体も胃波陣害を出さないから、ク
ロストークの心配がないために心磁誘導障害がない。This optical communication H system is not affected by external Nl magnetic induction, and since it itself does not produce gastric wave formation, there is no risk of crosstalk, and there is no cardiomagnetic induction disturbance.
また、ガラス繊維の光ファイバは、導線に比べ（引張強
度がニド倍程度であり、比重は１ ／ｌＩである。故に
同じ情報迅を伝送するのに導線の数十分の−の太さで間
に合う。In addition, compared to conducting wire, glass fiber optical fiber has a tensile strength that is about twice as strong and a specific gravity of 1/lI. In time.
更に、伝送帯域が広いので、大愚の信号を同詩に伝送す
ることができる。したかって、ワイヤーハーネスが占め
るスペースを圧縮できφために軽量で多重送信が可能で
素材がプラスチック製のものとガラス製のものがあるが
、何れも水漏れ等の環境の変化に対して強く、軽く強靭
でフレキシブルなので１振動で切れる心配もなく、Ｉ′
ｉＲｒ：火災が起きる心配もないなどの優れた特徴によ
り今後益々重要な通信手段となる。Furthermore, since the transmission band is wide, it is possible to transmit the Dagu signal to the same poem. Therefore, it is possible to compress the space occupied by the wire harness, is lightweight, allows multiple transmission, and is made of plastic or glass, but both are resistant to environmental changes such as water leakage. It is light, strong, and flexible, so you don't have to worry about it breaking with a single vibration.
iRr: Due to its excellent features such as no fear of fire, it will become an increasingly important means of communication in the future.
（解決しようどツる１ｆｆｌｆｆ１点〕上述したように
、従来光通信方式は、送信側で電気信号を光に変換して
伝送路（例えば光ファイバ）に送り出し、受信側では光
を再び電気信号に変換して電気信号を処理していた。(Try to solve 1ffff1 point) As mentioned above, in conventional optical communication systems, the transmitting side converts the electrical signal into light and sends it out to the transmission path (for example, an optical fiber), and the receiving side converts the light back into an electrical signal. It converted and processed electrical signals.
そのために、送信側でも受信側でも′Ｉｉ源を必要とし
ていた。小システムで光通信システムを構成吏る場合、
送信機と受信側で二′つのＮ源を保イｉｆるか、または
送信側より電力供給線を引く必要があった。前者の場合
は経済性が悪くなり、後者の場合は経済性の悪化の他に
ミノ〕供給線に１１１！が発生し受信側に悪影響を及ぼ
していた。リ−なりう送信機と受信器を電気的に分離で
きないという欠点があった。For this reason, an 'Ii source was required on both the transmitting and receiving sides. When constructing an optical communication system with a small system,
It was necessary to maintain two N sources on the transmitter and receiver side, or to draw a power supply line from the transmitter side. In the former case, economic efficiency deteriorates, and in the latter case, in addition to worsening economic efficiency, there is a 111! occurred, which had a negative impact on the receiving side. The disadvantage was that the transmitter and receiver could not be electrically separated.
この発明は上記の問題点を解滌ｆるためになされたもの
で、受信器の電源や電力供給線を必要とせず、更に送信
側と受信側を電気的に分離することができる光通信装置
を提供することを目的とｆるものである。This invention was made to solve the above problems, and is an optical communication device that does not require a power source or power supply line for the receiver, and can electrically separate the transmitting side and the receiving side. The purpose is to provide the following.
（問題点を解決するための１段）上記の目的を達成するために、この発明にＪ３いては伝
達する信号に電源となる直流分を重畳して１畳重号を出
力する重畳手段と、該重畳手段より出力された重畳信号
を受けて光信号に変換して発光する光信号発光手段と、
該光信号発光手段より出力された光信号を伝送路を介し
て受光しめ記重畳信号に変換する光信号受光手段と、該
光手段受光手段より出力されたＩＮ！信号を伝達された
信号と直流分に分離する分離手段とを備えて構成した。(First stage for solving the problem) In order to achieve the above object, the present invention includes a superimposing means for superimposing a DC component serving as a power source on a signal to be transmitted and outputting a 1-convolution signal; an optical signal emitting means that receives the superimposed signal output from the superimposing means, converts it into an optical signal, and emits light;
an optical signal receiving means for converting the optical signal outputted from the optical signal emitting means into a light reception record superimposed signal via a transmission line; and IN! output from the optical means light receiving means. The present invention includes a separating means for separating a signal into a transmitted signal and a DC component.
上述したように、この発明の光通信装置は、重畳手段に
より伝達する信号と電源となる直流分が重畳されｆｆｉ
畳信号を出力し、光信号発光手段により重畳手段より出
ツノされた重畳信号を光信号に変換して、光信号受光手
段により光信号発光手段より出力された光信号を伝送路
を介して受光し重畳信号に変換し、分離手段により光信
号受光手段より出力された！ｉ重畳信号伝達された信号
と直流分に分離する。As described above, in the optical communication device of the present invention, the signal transmitted by the superimposing means and the DC component serving as the power source are superimposed, and the ffi
The optical signal emitting means converts the superimposed signal output from the superimposing means into an optical signal, and the optical signal receiving means receives the optical signal output from the optical signal emitting means via the transmission line. The signal is converted into a superimposed signal, and the separation means outputs the optical signal from the optical signal receiving means! i Superimposed signal Separates into transmitted signal and DC component.
次にこの発明の実施例を図面を参照して説明する。Next, embodiments of the invention will be described with reference to the drawings.
第１図は、この発明の光通信装置の実施例を示す基本構
成ブロック図である。FIG. 1 is a basic configuration block diagram showing an embodiment of an optical communication device of the present invention.
この実施例の光通信装置は、伝達する信号１にｍ源とな
る直流分２を１畳し［１！！信号を出力する重畳回路３
とより成る！１ｆｊ１手段４と、重畳手段４より出）ｊ
された重畳信号を受けて光信号に変換する発光ダイオー
ド５より成る光信号発光１段６と、光信号発光手段６よ
り出力された光信号を伝Ｘ！する伝達路ｅある光ノ？イ
ハ７８介しＣ受光し重畳イＳ＠に変ｙＡｒｊる小１へ［
・ランジスタ８とにり成る光ｆ３号受光手段９と、光信
号受光子８２９より出力されたｒＩｉ昏信号を伝達され
た信号１と直流分２に分離する分ｌ１Ｉｉｉ口路１０Ｊ
こり成る分離手段１′１どより構成されている。In the optical communication device of this embodiment, the DC component 2 serving as the m source is added to the signal 1 to be transmitted by 1 tatami [1! ! Superimposition circuit 3 that outputs a signal
And more! 1fj1 (output from means 4 and superimposing means 4)j
An optical signal emitting stage 6 consisting of a light emitting diode 5 receives the superimposed signal and converts it into an optical signal, and the optical signal output from the optical signal emitting means 6 is transmitted! Is there a transmission path e of light? Receives C light through Iha 78 and changes to superimposed I S @ to 1st grade [
・A light f3 light receiving means 9 consisting of a transistor 8, and a l1Iii port 10J that separates the rIi signal output from the optical signal photodetector 829 into the transmitted signal 1 and the DC component 2.
The separating means 1'1 is composed of the following.
上記構成にみける光通信装置は、重畳１段・１により伝
達す゛る信号１と電源となる直流分２が小ツロ路３によ
り重畳され、戯普された信号は光信号発光手段０の発光
ダイオード５により光１３号に変換して、尤ファイバー
７を伝達媒体としで光Ｃ５円が伝達される。伝達された
九イ５＠は、光信号受光手段９の小１−トランジスタ８
により受光しＣ１分離手段１１の分１ＩＩＩｉ口路１０
により伝達された信号１と電源となる直流分２に分離さ
れる。この分離された直流分により受光側の給電吏べき
電源となる。In the optical communication device having the above configuration, the signal 1 transmitted by the superimposition stage 1 and the DC component 2 serving as the power source are superimposed by the small loop path 3, and the distorted signal is transmitted to the light emitting diode of the optical signal emitting means 0. 5, the light C5 is converted into light No. 13, and the light C5 is transmitted using the optical fiber 7 as a transmission medium. The transmitted 9i5@ is transmitted to the small 1-transistor 8 of the optical signal receiving means 9.
1IIIi port 10 of C1 separation means 11
The signal is separated into a signal 1 transmitted by the DC signal 1 and a DC component 2 which serves as a power source. This separated DC component serves as a power source for feeding the light receiving side.
１２図は第１図中に示した（０〜■の部分のｆＧ Ｓ４
波形因ぐ、横軸ｉ１ ｉｌｉ間、縦軸は電圧を示しであ
る。。Figure 12 is shown in Figure 1 (fG S4 in the part 0 to ■).
In the waveform, the horizontal axis shows the voltage between i1 and ili, and the vertical axis shows the voltage. .
第３図は重畳回路の一実ｔＡＰｉ４を示ｆ員体的な回路
図である。第３図に示した回路図からも明らかなように
、トランジスタ丁ｒのベースより伝達する信号をパノＪ
しエミッタより直流分を加えるので、第２図の■に示し
たような重畳された仏違吏る信号と直流分とが重畳され
た出力信号が出ＪＪされる。FIG. 3 is a circuit diagram illustrating one part of the superimposition circuit tAPi4. As is clear from the circuit diagram shown in Figure 3, the signal transmitted from the base of the transistor
Since a direct current component is added from the emitter, an output signal in which the superimposed signal and the direct current component are superimposed is output as shown in (2) in FIG.
第４図は分離回路の一実施例を示を具体的な回路図であ
る。FIG. 4 is a specific circuit diagram showing one embodiment of the separation circuit.
２個の出力電圧の異なったツェナダイオードＤ１、Ｄ２
により、設定電圧以下の電圧を出力しかつ、設定電圧以
上の電圧を出力ざゼでいる。すなわらツェナダイオード
Ｄ１で直流分を得てツェナダイオードＳ２で伝達する信
号を出力することができる。Two Zener diodes D1 and D2 with different output voltages
As a result, a voltage lower than the set voltage is outputted, and a voltage higher than the set voltage is outputted. In other words, the Zener diode D1 can obtain a direct current component and the Zener diode S2 can output a signal to be transmitted.
上述したように第３図及び第４図に示した１１畳回路と
分離回路は、この実施例に限定されるものではなく例え
ば伝送される量及びレベルにより適宜変更が可能である
ことは言うまでもない。As mentioned above, it goes without saying that the 11 tatami circuit and separation circuit shown in FIGS. 3 and 4 are not limited to this embodiment, and can be modified as appropriate depending on the amount and level of transmission, for example. .
（効果）以上説明したように、この発明の光通信装置は、伝達す
る信号と電源をｍＪＭする０１１Ｆ手段と、重畳手段よ
り出力された重畳イＳ号を光信号に変換丈る光信号発光
手段と、光信号発光手段より出力された光信号を伝送路
を介して受光し再び重畳信号に変換する光信号受光手段
と光信号受光手回より出ツノされた重畳信号を伝達され
た信号と直流分に分離する分離手段とを備えて構成した
ので、重ｊｊ１−ｆ段により送信信号と直流分を！１畳
して、光手段を用いて送信することができるために、受
信側の電源や電力線を必要としなくなりより機能的どな
る。(Effects) As explained above, the optical communication device of the present invention includes the 011F means for mJM'ing the signal to be transmitted and the power supply, and the optical signal emitting means for converting the superimposed signal S output from the superimposing means into an optical signal. , an optical signal receiving means for receiving the optical signal outputted from the optical signal emitting means via a transmission line and converting it into a superimposed signal again; Since the configuration is equipped with a separating means for separating the transmit signal and the DC component, the multiple jj1-f stages separate the transmitted signal and the DC component. Since it can be transmitted using optical means, there is no need for a power source or power line on the receiving side, making it more functional.
更に、送信側と受信側とを電気的に完全に分離すること
ができるために、電力給電線にｉｓが発生することがな
くなる。Furthermore, since the transmitting side and the receiving side can be completely electrically separated, IS does not occur in the power feed line.
第１図はこの発明の実施例の構成ブロック図、第２図は
第１因中に示した部分の波形図、第３図は重畳回路の回
路図、第４図は分離回路の回路図である。１・・・・・・伝達する信号、２・・・・・・直流分、４・・・・・・重畳手段、６・・・・・・光信号発光手段、９・・・・・・光信号受光手段、１１・・・・・・分離手段。出願人 日本電気小−ムエレクトロニクス株式会社代理人 弁理士 増 １）竹 夫第２図Figure 1 is a configuration block diagram of an embodiment of the present invention, Figure 2 is a waveform diagram of the portion shown in the first factor, Figure 3 is a circuit diagram of a superimposition circuit, and Figure 4 is a circuit diagram of a separation circuit. be. 1... Signal to transmit, 2... Direct current component, 4... Superimposing means, 6... Optical signal emitting means, 9... Optical signal receiving means, 11... separation means. Applicant Nippon Electric Small Electronics Co., Ltd. Agent Patent Attorney Masu 1) Takeo Figure 2
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60225846AJPS6285521A (en) | 1985-10-09 | 1985-10-09 | Optical communication equipment |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60225846AJPS6285521A (en) | 1985-10-09 | 1985-10-09 | Optical communication equipment |
| Publication Number | Publication Date |
|---|---|
| JPS6285521Atrue JPS6285521A (en) | 1987-04-20 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60225846APendingJPS6285521A (en) | 1985-10-09 | 1985-10-09 | Optical communication equipment |
| Country | Link |
|---|---|
| JP (1) | JPS6285521A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104549U (en)* | 1991-02-16 | 1992-09-09 | 日本特殊陶業株式会社 | Anti-rotation structure of engine pressure sensor |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60109340A (en)* | 1983-11-17 | 1985-06-14 | Sharp Corp | Power supply system |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60109340A (en)* | 1983-11-17 | 1985-06-14 | Sharp Corp | Power supply system |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104549U (en)* | 1991-02-16 | 1992-09-09 | 日本特殊陶業株式会社 | Anti-rotation structure of engine pressure sensor |
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