JPH02162848A - Optical space transmission unit - Google Patents
Optical space transmission unitInfo
- Publication number
- JPH02162848A JPH02162848A JP63316869A JP31686988A JPH02162848A JP H02162848 A JPH02162848 A JP H02162848A JP 63316869 A JP63316869 A JP 63316869A JP 31686988 A JP31686988 A JP 31686988A JP H02162848 A JPH02162848 A JP H02162848A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- transmission system
- light emitting
- light
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 151
- 230000005540 biological transmission Effects 0.000 title claims abstract description 118
- 230000000007 visual effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野［
本発明は、パーソナルコンピュータ等を多数接続して相
互間でデータ伝送を甘うローカルエリアネットワーク等
に用いられるデータ伝送システムの光空間伝送ユニット
に関するものである。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to an optical space transmission unit of a data transmission system used in a local area network etc. in which a large number of personal computers etc. are connected and data transmission is carried out between them. It is something.
１従米の技術Ｊ
従来、パーソナルコンピュータをワークスデージ５ンと
して使用したローカルエリアネットワーク（Ｌ Ａ Ｎ
）では、夫々のワークステーションを有線の伝送ライ
ンで接続してデータ伝送を行っていた。つまり、近傍の
７−クステーシツン間は床配線や机上配線により配線さ
れたＲ８４２２あるいはＲ３４８５等の伝送ラインで接
続すると共に、少し離れたワークステーションとの闇や
別のフロアのワークステーションとの間は天井配ｍ等に
より配線された伝送ラインで接続してデータ伝送を行う
、しかし、このように有線の伝送ラインを用いた場合、
配線工事に手間ががかる上に、美観も損なう。1 Traditional technology J Traditionally, local area networks (LANs) using personal computers as workstations have been developed.
), data was transmitted by connecting each workstation with a wired transmission line. In other words, nearby 7-stations are connected by R8422 or R3485 transmission lines wired by floor wiring or desk wiring, and workstations located a little further away are connected in the dark or between workstations on another floor by ceiling connections. Data transmission is performed by connecting with a transmission line wired using a wired cable, etc. However, when using a wired transmission line like this,
Not only is wiring work time-consuming, it also spoils the aesthetics.
そこで、本発明者等は床あるいは机上と天井との間の立
上げ配線あるいは立下げ配線の部分に光空間伝送を用い
、立上げ配線及び立下げ配線を無くして配線工事の手間
を省き、且つ美観を損なわないようにしたデータ伝送シ
ステムを提案している。Therefore, the inventors of the present invention used optical space transmission for the rising wiring or falling wiring between the floor or desk top and the ceiling, eliminating the standing wiring and falling wiring, saving the labor of wiring work, and We are proposing a data transmission system that does not spoil the aesthetics.
このデータ伝送システムは、第６図に示すように、有線
の伝送ライン（例えば！１）で夫々接続されこの伝送ラ
イン（１１）を介して互いにデータ伝送を行うｉ数台の
ワークステーション（２□〜２１））からなるワークス
テーション群をｉｎ備え、９−クステーン６ン群毎にタ
ーミナル用空間伝送ユニッ）３．．３□、３．・・・を
設けると共に、有線の伝送ラインｌで夫々接続され上記
ターミナル用空１ｍ伝送ユニッ） ３ ＋１３２１３３
・・・に夫々１対１で対応する複数のサテライト用空闇
伝送ユニッ）１．．１□１１、・・・を天井に設け、夫
々対応する空間伝送ユニット（例えば１、．３ ＋）間
で光パルス信号を用いて半二重でデータ伝送を行って、
ワークスチーシラン群間のデータ伝送を天井側の有線の
伝送ラインｌを介して佇い、すべてのワークステーショ
ン２〜２，３，２□、〜２□□２，１〜２３３・・・間
で互いにデータ伝送を行うことができるようにしである
。なお、このデータ伝送に用いられる光パルス信号は非
可視光である。As shown in Fig. 6, this data transmission system consists of several workstations (2□) connected to each other by a wired transmission line (for example !1) and transmitting data to each other via this transmission line (11). 2. Equipped with a workstation group consisting of ~21)), and a terminal space transmission unit for every 6 9-station groups.3. ．． 3□, 3. . . . and an empty 1m transmission unit for the above terminal, each connected by a wired transmission line 1) 3 +132133
(...) 1. ．． 1□11, .
Data transmission between workstations is carried out via a wired transmission line l on the ceiling side, and between all workstations 2~2, 3, 2□, ~2□□2, 1~233... This allows them to transmit data to each other. Note that the optical pulse signal used for this data transmission is invisible light.
（発明が解決しようとする課題１
しかしながら、このようなデータ伝送システムでは、上
述したように天井側に設けたサテライト用空間伝送ユニ
ット１に向けて机上等に設けたターミナル用空間伝送ユ
ニット３を設置するのであるが、ターミナル用空間伝送
ユニット３は指向性を鋭くしであるために、同空間伝送
ユニット１゜３の光軸合わせが困難であった。つまり、
従来では実際にパーソナルコンピュータであるワークス
テーションからデータを伝送すると共に、ワークスチー
シランのデイスプレィを見て正常に動作しているかどう
かを確ｒＩｌするという確認動作を繰り返し、同空間伝
送ユニット１．３の光軸合わせを行っていた。このため
、空間伝送ユニット１，３の光軸合わせに大変に手間が
かかっていた。(Problem to be Solved by the Invention 1) However, in such a data transmission system, as described above, the terminal spatial transmission unit 3 installed on a desk or the like is installed facing the satellite spatial transmission unit 1 installed on the ceiling side. However, since the terminal space transmission unit 3 has sharp directivity, it is difficult to align the optical axes of the space transmission unit 1.3.In other words,
Conventionally, data was actually transmitted from a workstation, which is a personal computer, and the same space transmission unit 1.3 was repeatedly checked to see if it was operating normally by looking at the display of the workstation. The optical axis was being aligned. For this reason, alignment of the optical axes of the spatial transmission units 1 and 3 was very time consuming.
本発明は上述の点に鑑みて為されたものであり、その目
的とするところは、簡単に光軸合わせを打うことができ
る光空間伝送ユニットを提供することにある。The present invention has been made in view of the above-mentioned points, and its object is to provide an optical space transmission unit that allows easy alignment of optical axes.
１課題を解決するための手段１
上記目的を達成するために、特定発明では光軸が光送受
ｆε部の発光素子及び受光素子の光軸と−致し可視光を
発光する発光素子を備えた光軸調節装置を光送受信部に
着脱自在に取り付け、この光軸調節装置を用いて光軸調
節を行っている。1 Means for Solving the Problem 1 In order to achieve the above object, the specific invention provides a light emitting device that emits visible light and whose optical axis coincides with the optical axes of the light emitting device and the light receiving device of the light transmitting/receiving section fε. An optical axis adjustment device is detachably attached to the optical transmitting/receiving section, and optical axis adjustment is performed using this optical axis adjustment device.
また、関連発明では上記目的を達成するために、光軸が
光送受信部の発光素子及び受光素子の光軸と一致し可視
光を発光する発光素子を光送受信部の受光素子の近傍に
配設しである。なお、光送受信部が光パルス信号を送信
する発光素子を複数備え、これらの発光素子を受光素子
の回りに配設した光空間伝送ユニットであれば、可視光
を発光する複数個の発光素子を光送受信部の発光素子の
間に配設しても良いし、また光送受信部が受光素子を複
数備えた光空間伝送ユニ２トであれば、可視光を発光す
る発光素子を受光素子の中央に配設しても良い。Furthermore, in order to achieve the above object, in the related invention, a light emitting element whose optical axis coincides with the optical axes of the light emitting element and the light receiving element of the optical transmitting/receiving section and which emits visible light is disposed near the light receiving element of the optical transmitting/receiving section. It is. Note that if the optical transmitter/receiver is an optical space transmission unit that includes a plurality of light emitting elements that transmit optical pulse signals and these light emitting elements are arranged around a light receiving element, it is possible to use a plurality of light emitting elements that emit visible light. It may be placed between the light emitting elements of the optical transmitter/receiver, or if the optical transmitter/receiver is an optical space transmission unit equipped with a plurality of light receiving elements, the light emitting element that emits visible light may be placed in the center of the light receiving element. It may be placed in
【作用１
特定発明では、上述の光軸１ｌｌｒｆ６装置を光送受信
部に取り付け、この光軸１１１節装置の発光素子を発光
させて、この発光素子が発光する可視光が相手側の光空
間ｆ云送ユニットに当たるようにすれば、光軸合せが行
えるようにしたものである。[Effect 1] In the specified invention, the above-mentioned optical axis 1llrf6 device is attached to the optical transmitter/receiver section, the light emitting element of this optical axis 111 node device is made to emit light, and the visible light emitted by this light emitting element is transmitted to the optical space f of the other party. By making it hit the feed unit, the optical axis can be aligned.
また、関連発明では光送受信部に配設した可視光を発光
する発光素子を発光させて、この発光素子が発光する可
視光が相手側の光空間伝送ユニ２トに当たるようにすれ
ば、光軸合すせが打えるようにしたものである。In addition, in the related invention, if a light emitting element that emits visible light disposed in the optical transmitter/receiver section is made to emit light, and the visible light emitted by this light emitting element hits the optical space transmission unit 2 on the other side, the optical axis It is designed to allow you to hit combinations.
［天側１］
ｔｊｔＪ１図は特定発明の一実施例を示すものであり、
この特定発明が適用されるデータ伝送システムの基本構
成は第６図に示すものと同一のものである。[Top side 1] tjtJ1 diagram shows one embodiment of the specified invention,
The basic configuration of the data transmission system to which this particular invention is applied is the same as that shown in FIG.
本実施例のサテライト用及びターミナル用空間伝送ユニ
ット１，３は、概略的には、伝送ライン１．１・・・か
らの伝送信号を光パルスイ５号に変換して送信すると共
に、対応する空間伝送ユニット１．３から送信された光
パルス信号を受信し伝送ラインｔ、ｅ、・・・で送受信
される伝送信号に復調して伝送ライン１．Ｉｔ、・・・
に送出する光送受信部と、この光送受信部を伝送ライン
１，１．・・・に電気的に接続するインターフェース手
段とからなる。Roughly speaking, the satellite and terminal space transmission units 1 and 3 of this embodiment convert the transmission signals from the transmission lines 1, 1, . The optical pulse signal transmitted from the transmission unit 1.3 is received and demodulated into a transmission signal to be transmitted and received on the transmission lines t, e, . . . It...
and an optical transmitting/receiving unit that transmits light to the transmission lines 1, 1 . ... and an interface means for electrically connecting to...
ここで、ワークステージ３ン２□〜２１３．・・・間の
基本的なデータ伝送方法について簡単に説明しておく、
なお、以下の説明においてはワークスチーシロン２□か
らデータを伝送する場合について説明する。ワークステ
ージａン２，１かＣ）の伝送信号は伝送ラインク、によ
りターミナル用空間伝送ユニット３．に送られ、光パル
ス信号に変換されて対応する天井側のサテライト用空間
伝送ユニット１１に送信されると共に、伝送ラインｒ１
を介してワークステージ１ン２１２９２１．に送られる
。上記光パルス信号を受信したサテライト用空間伝送ユ
ニット１１では伝送信号を復調して伝送フィンｌに送出
する。この伝送ラインｌを通して送られてきた伝送信号
を取１込んだ別のサテライト用空間伝送ユニット１□、
１．はターミナル用空間伝送ユニット３１と同様に動作
して伝送信号を光パルス信号に再び変換し、ターミナル
用空間伝送ユニット３２．３．へ送信する。そして、こ
の光パルス信号を受信したターミナル用空間伝送ユニッ
ト３□、３゜はサテライト用空間伝送ユニット１．と同
様に動作して、伝送信号を各伝送ライン１ｘ、ｂを通じ
て各ワークステーション２□〜２□３１２３１〜２３３
＋１こ送る。つまりは、ワークステージａン２１．の送
信する送信データが全てのワークステーション２・・・
に伝送されることになる。なお、このデータ伝送システ
ムのように有線伝送系と光空間伝送系とが混在していて
も、送受信を半二重で打つているため、データ伝送は正
常に行われる。Here, work stage 3-2□~213. I will briefly explain the basic data transmission method between...
In the following explanation, a case will be explained in which data is transmitted from Workstation 2□. The transmission signal of the work stage a2,1 or C) is transmitted by the transmission line to the terminal space transmission unit 3. is converted into an optical pulse signal and transmitted to the corresponding satellite space transmission unit 11 on the ceiling side, and is also transmitted to the transmission line r1.
Work Stage 1 via 212921. sent to. The satellite space transmission unit 11 that receives the optical pulse signal demodulates the transmission signal and sends it to the transmission fin l. Another satellite space transmission unit 1□ that receives the transmission signal sent through this transmission line 1,
1. operate in the same manner as the terminal spatial transmission unit 31 to convert the transmission signal into an optical pulse signal again, and the terminal spatial transmission units 32.3. Send to. The terminal space transmission units 3□, 3° that received this optical pulse signal are the satellite space transmission units 1. The transmission signal is transmitted to each workstation 2□~2□31231~233 through each transmission line 1x, b.
Send +1. In other words, work stage a21. The data to be sent is sent to all workstations 2...
will be transmitted to. Note that even if a wired transmission system and an optical space transmission system coexist as in this data transmission system, data transmission is performed normally because transmission and reception are performed at half duplex.
上記空間伝送ユニット１，３の外観を第７図に示す、こ
のターミナル用空間伝送ユニット３は、机上等に取り付
けられるベース４と、このベース４上に周方向で回動自
在に取り付けられ上部がドーム状となったボディ５とか
らなる。ボディ５の上部には尤パルス信号を送受信する
ための開口６を形成しである。この開口６にはノイズと
なる尤をカットするフィルフカバー７が被着される。上
記光送受信部の発光素子８、受光素子９及び受光レンズ
１０は、第８図に示すように円形のプリント基板１１の
一面側に実装しである。つまり、受光素子９をプリント
基板１１の中央に配設して、その回りに複数個の発光素
子８を配設しである。The external appearance of the space transmission units 1 and 3 is shown in FIG. 7. This space transmission unit 3 for a terminal includes a base 4 that is mounted on a desk or the like, and an upper part that is mounted on the base 4 so as to be rotatable in the circumferential direction. It consists of a dome-shaped body 5. An opening 6 is formed in the upper part of the body 5 for transmitting and receiving pulse signals. A fill cover 7 is attached to the opening 6 to reduce the possibility of noise. The light emitting element 8, the light receiving element 9, and the light receiving lens 10 of the optical transmitting/receiving section are mounted on one side of a circular printed circuit board 11, as shown in FIG. That is, the light receiving element 9 is arranged at the center of the printed circuit board 11, and a plurality of light emitting elements 8 are arranged around it.
なお、受光レンズ１０は受光素子９の上方を覆うように
取り付けである。これら以外の上記光送受信部を構成す
る回路部品は上記プリント基板１１の発光素子８ａ９が
配設された而とは反対の面に実装しである。この光送受
信部はボディ５の開口６部分に収納しである。なお、こ
の光送受信部はボディ５の側面に設けた調節つまみ１２
によって垂直方向に回動する構造になっており、ボディ
５が水平方向に回動することと相まって任意の方向に光
軸を向けることができるようにしである。なお、言うま
でもないが発光素子８と受光素子９との光軸は一致させ
である。Note that the light-receiving lens 10 is attached so as to cover the upper part of the light-receiving element 9. Other circuit components constituting the optical transmitter/receiver section are mounted on the surface of the printed circuit board 11 opposite to that on which the light emitting element 8a9 is disposed. This optical transmitting/receiving section is housed in the opening 6 of the body 5. Note that this optical transmitter/receiver is controlled by an adjustment knob 12 provided on the side surface of the body 5.
This structure allows the optical axis to be rotated in the vertical direction, and in combination with the horizontal rotation of the body 5, the optical axis can be directed in any direction. It goes without saying that the optical axes of the light emitting element 8 and the light receiving element 9 are aligned.
ところで、本実施例ではターミナル用光空間伝送ユニッ
ト３の光軸をサテライト用空間伝送ユニット１に向ける
ために、第１図に示す光軸調節装置１３を用いである。By the way, in this embodiment, in order to direct the optical axis of the terminal optical space transmission unit 3 toward the satellite space transmission unit 1, an optical axis adjustment device 13 shown in FIG. 1 is used.
この光軸調節装置１３には可視光を発光する発光素子１
６が取り付けられ、両端背方にプリント基板１１にこの
光軸調節装置１３を取り付けるための一対の取付片１４
を突設しである。この取付片１４の先端部には一対の嵌
着片１５を形成してあり、これら嵌着片１５開にプリン
ト基板１１の周縁を嵌めて、光軸調節装ｒＦｔ１３をプ
リント基板１１に取り付ける。上記発光素子１６の光軸
は光送受信部の発光素子８及び受光素子９の光軸と合わ
せてあり、この発光素子１６を発光させるだめの電源回
路やドライブ回路は発光素子１６を取り付けた面と反対
側の面に取り付けである。This optical axis adjustment device 13 includes a light emitting element 1 that emits visible light.
6 is attached, and a pair of attachment pieces 14 for attaching this optical axis adjustment device 13 to the printed circuit board 11 at both ends of the back side.
It is installed protrudingly. A pair of fitting pieces 15 are formed at the tip of this fitting piece 14, and the peripheral edges of the printed circuit board 11 are fitted into the openings of these fitting pieces 15 to attach the optical axis adjustment device rFt13 to the printed circuit board 11. The optical axis of the light emitting element 16 is aligned with the optical axes of the light emitting element 8 and the light receiving element 9 of the optical transmitter/receiver section, and the power supply circuit and drive circuit for making the light emitting element 16 emit light are connected to the surface on which the light emitting element 16 is attached. It is attached to the opposite side.
ターミナル用空間伝送ユニット３の光軸調節は次のよう
に行う。上記光軸調節装置１３をプリント基［１１に取
り付け、この光軸調節装Ｍ１３の発光素子１６を発光さ
せた状態で、調節つまみ１２及びボディ５を回動させて
、この発光素子１６の光がサテライト用空間伝送ユニッ
ト１のフィルタカバー等に当たるようにする。この場合
の発光素子１６の尤は可視光であるので、サテライト用
空間伝送ユニット１にこの光が当たっていることを目視
により容易に確認することができ、光軸の調節を簡単に
行える。なお、上記光軸調節装ｆＩｔ１３はプリント基
板１１に取り付けるようにしてあったが、第２１Ｊに示
すように調節つまみ１２に取り付けるようにしても良い
。Optical axis adjustment of the terminal space transmission unit 3 is performed as follows. The optical axis adjustment device 13 is attached to the printed board [11, and with the light emitting element 16 of this optical axis adjustment device M13 emitting light, the adjustment knob 12 and the body 5 are rotated so that the light of this light emitting element 16 is turned on. Make sure that it hits the filter cover etc. of the satellite spatial transmission unit 1. In this case, since the light emitting element 16 emits visible light, it is easy to visually confirm that this light is hitting the satellite spatial transmission unit 1, and the optical axis can be easily adjusted. Although the optical axis adjustment device fIt13 is attached to the printed circuit board 11, it may be attached to the adjustment knob 12 as shown in 21J.
し実施例２］
上述の特定発明の実施例では光軸ａＳ装Ｗ１１３を用い
てあったが、関連発明の一実施例である本実施例ではプ
リント基板１１上に予め可視光を発光する発光素子１６
を配設し、光軸調節装置１３等の治具を用いることなく
、光軸合わせを好うことができるようにしである。本実
施例では第３図に示すように受光Ｘ７ｒ９の近傍に発光
素子１６を設けである。なお、受光レンズ１０にはこの
発光素子１６の光を前方に照射するための突部１０ａを
形成しである。Example 2] In the example of the specific invention described above, the optical axis aS device W113 was used, but in this example, which is an example of the related invention, a light emitting element that emits visible light is placed on the printed circuit board 11 in advance. 16
is arranged so that the optical axis can be aligned without using a jig such as the optical axis adjustment device 13. In this embodiment, as shown in FIG. 3, a light emitting element 16 is provided near the light receiving element X7r9. Note that the light receiving lens 10 is formed with a protrusion 10a for irradiating the light from the light emitting element 16 forward.
本実施例でも、上記発光素子１６を発光させて、この発
光素子１６の光がサテライト用空間伝送ユニ７ト１のフ
ィルタカバー等に当たるようにすれば、上述の第１の実
施例の場合と同様にして目視によって光軸が合ったこと
を確認することができる。In this embodiment as well, if the light emitting element 16 is made to emit light and the light from the light emitting element 16 hits the filter cover etc. of the satellite space transmission unit 7, it is similar to the case of the first embodiment described above. You can visually check that the optical axes are aligned.
Ｅ実施例３１
関連発明の他の実施例を第４図に示す。本実施例では、
受光レンズ１０の回りに配設された複数の発光素子８の
間に可視光を発光する複数個の発光素子１６と配設しで
ある。本実施例の場合には発光素子１６による複数のス
ポットの中央にサテライト用空間伝送ユニット１の送受
信部が米るように光送受信部の向きを合わせることによ
り、光軸合わせが行える。E Example 31 Another example of the related invention is shown in FIG. In this example,
A plurality of light emitting elements 16 that emit visible light are arranged between a plurality of light emitting elements 8 arranged around the light receiving lens 10. In the case of this embodiment, the optical axes can be aligned by orienting the optical transmitting/receiving section so that the transmitting/receiving section of the satellite spatial transmission unit 1 is aligned with the center of the plurality of spots formed by the light emitting elements 16.
［実施例４１ 関連発明のさらに他の実施例を第５図に示す。[Example 41 Still another embodiment of the related invention is shown in FIG.
本実施例では、光送受信部の受光素子９が４素子からな
り、これら素子９ａの中央に可視光を発光する発光素子
１６を配設したものである。なお、受光レンズ１０の中
央には発光素子１６の光を前方に照射するための突部１
０ａを形成しである。In this embodiment, the light receiving element 9 of the optical transmitting/receiving section is composed of four elements, and a light emitting element 16 that emits visible light is disposed in the center of these elements 9a. Note that a protrusion 1 is provided at the center of the light receiving lens 10 for irradiating the light of the light emitting element 16 forward.
0a is formed.
本実施例の場合にも上述の実施例と同様に容易に光軸合
わせができる。In the case of this embodiment as well, the optical axes can be easily aligned as in the above-mentioned embodiments.
［発明の効果１
特定発明では上述のように、光軸が光送受信部の発光素
子及び受光素子の光軸と一致し可視光を発光する発光素
子を備えた光軸調節装置を光送受信部に着脱自在に取り
付け、この光軸調節装置を用いて光軸調節を行っている
ので、光軸調節装置を光送受信部に取り付け、この光軸
調節装置の発光素子を発光させて、この発光素子が発光
する可視光が相手側の光空間伝送ユニットに当たるよう
にすれば、光軸合わせが行え、このため目視により容易
に光軸合わせを行える効果がある。[Effect of the invention 1] As described above, in the specified invention, an optical axis adjustment device having a light emitting element whose optical axis coincides with the optical axes of a light emitting element and a light receiving element of the optical transmitting/receiving section and emitting visible light is provided in the optical transmitting/receiving section. Since the optical axis adjustment device is attached removably and is used to adjust the optical axis, the optical axis adjustment device is attached to the optical transmitter/receiver section, the light emitting element of this optical axis adjustment device is made to emit light, and the light emitting element is Optical axes can be aligned by allowing the emitted visible light to hit the optical space transmission unit on the other side, which has the effect of making it easier to align the optical axes visually.
また、関連発明では光軸が光送受信部の発光素子及び受
光素子の光軸と一致し可視光を発光する発光素子を光送
受信部に配設しであるので、光送受信部に配設した可視
光を発光する発光素子を発尤させて、この発光素子が発
光する可視光が相手側の空間伝送ユニットに当たるよう
にすれば、光軸合わせが行え、このため特定発明と同様
に目視により容易に光軸合わせを行える効果がある。し
かも、この関連発明の場合には光軸調節装置のような治
具を必要とせず、光空間伝送ユニット自体で光軸合わせ
を行える利点もある。Further, in the related invention, since the light emitting element whose optical axis coincides with the optical axes of the light emitting element and the light receiving element of the optical transmitting and receiving section and emits visible light is disposed in the optical transmitting and receiving section, the visible light disposed in the optical transmitting and receiving section is Optical axes can be aligned by making a light-emitting element emit light so that the visible light emitted by the light-emitting element hits the other party's spatial transmission unit. This has the effect of aligning the optical axis. Furthermore, this related invention has the advantage that it does not require a jig such as an optical axis adjusting device, and the optical axis can be aligned using the optical space transmission unit itself.
第１図は特定発明の一実施例の空間伝送ユニットの光軸
調節方法の説明図、第２図は別の光軸調節方法の説明図
、第３図（ａ）、（ｂ）は関連発明の一実施例の光送受
信部を示す平面図及び側面図、第４図（ａ）ｔ（ｂ）は
他の実施例の光送受信部を示す平面図及び側面図、第５
図（ａ）、（ｂ）はさらに他の実施例の光送受信部を示
す平面図及び側面図、第６図はローカルエリアネットワ
ークの構成図、第７図は従来の光空間伝送ユニットの外
観を示す側面図、第８図（ａ）−（ｂ）は同上の光送受
信部を示す平面図及び側面図である。
１はサテライト用空間伝送ユニット、３はターミナル用
空間伝送ユニット、
３は光軸調節装置、
６は発光素子、Ｉは伝送ラインである。Fig. 1 is an explanatory diagram of an optical axis adjustment method of a spatial transmission unit according to an embodiment of the specified invention, Fig. 2 is an explanatory diagram of another optical axis adjustment method, and Figs. 3 (a) and (b) are related inventions. FIGS. 4(a) and 4(b) are plan views and side views showing the optical transmitting/receiving section of another embodiment, and FIG.
Figures (a) and (b) are a plan view and a side view showing an optical transmitter/receiver in another embodiment, Figure 6 is a configuration diagram of a local area network, and Figure 7 is an external view of a conventional optical space transmission unit. FIGS. 8(a) and 8(b) are a plan view and a side view showing the same optical transmitting and receiving section. 1 is a space transmission unit for satellite, 3 is a space transmission unit for terminal, 3 is an optical axis adjustment device, 6 is a light emitting element, and I is a transmission line.
Claims (4)
信し非可視光である光パルス信号に変換して光空間伝送
系に送信すると共に、光空間伝送系を介して送信されて
くる光パルス信号を受信し有線伝送系の伝送信号に復調
して有線伝送系に送出する光送受信部と、この光送受信
部を有線伝送系に電気的に接続するインターフェース手
段とからなり、有線伝送系と光空間伝送系とが混在した
データ伝送システムに用いられる光空間伝送ユニットに
おいて、光軸が光送受信部の発光素子及び受光素子の光
軸と一致し可視光を発光する発光素子を備えた光軸調節
装置を光送受信部に着脱自在に取り付け、この光軸調節
装置を用いて光軸調節を行う光空間伝送ユニット。(1) Receive the transmission signal transmitted via the wired transmission system, convert it into an optical pulse signal that is invisible light, and send it to the optical space transmission system, and the signal is also transmitted via the optical space transmission system. The wired transmission system consists of an optical transmitter/receiver that receives an optical pulse signal, demodulates it into a transmission signal for the wired transmission system, and sends it to the wired transmission system, and an interface means that electrically connects this optical transmitter/receiver to the wired transmission system. In an optical space transmission unit used in a data transmission system in which a space optical transmission system and a light space transmission system are mixed, an optical system is equipped with a light emitting element whose optical axis coincides with the optical axis of the light emitting element and the light receiving element of the optical transmitter/receiver, and which emits visible light. An optical space transmission unit in which an optical axis adjustment device is detachably attached to an optical transmitting/receiving section and the optical axis adjustment is performed using this optical axis adjustment device.
信し非可視光である光パルス信号に変換して光空間伝送
系に送信すると共に、光空間伝送系を介して送信されて
くる光パルス信号を受信し有線伝送系の伝送信号に復調
して有線伝送系に送出する光送受信部と、この光送受信
部を有線伝送系に電気的に接続するインターフェース手
段とからなり、有線伝送系と光空間伝送系とが混在した
データ伝送システムに用いられる光空間伝送ユニットに
おいて、光軸が光送受信部の発光素子及び受光素子の光
軸と一致し可視光を発光する発光素子を光送受信部の受
光素子の近傍に配設した光空間伝送ユニット。(2) Receives the transmission signal transmitted via the wired transmission system, converts it into an optical pulse signal that is invisible light, and sends it to the optical space transmission system, and the signal is also transmitted via the optical space transmission system. The wired transmission system consists of an optical transmitter/receiver that receives an optical pulse signal, demodulates it into a transmission signal for the wired transmission system, and sends it to the wired transmission system, and an interface means that electrically connects this optical transmitter/receiver to the wired transmission system. In an optical space transmission unit used in a data transmission system in which a space optical transmission system and an optical space transmission system are mixed, the light emitting element that emits visible light and whose optical axis coincides with the optical axis of the light emitting element and the light receiving element of the optical transmission and reception section is used as the optical transmission and reception section. An optical space transmission unit placed near the light receiving element.
子を複数備え、これらの発光素子を受光素子の回りに配
設した光空間伝送ユニットであって、可視光を発光する
複数個の発光素子を光送受信部の発光素子の間に配設し
た請求項２記載の光空間伝送ユニット。(3) An optical space transmission unit in which the optical transmitter/receiver section includes a plurality of light emitting elements that transmit optical pulse signals, and these light emitting elements are arranged around a light receiving element, the plurality of light emitting elements emitting visible light. 3. The optical space transmission unit according to claim 2, wherein the element is disposed between light emitting elements of the optical transmitting and receiving section.
送ユニットであって、可視光を発光する発光素子を受光
素子の中央に配設した請求項２記載の光空間伝送ユニッ
ト。(4) The spatial optical transmission unit according to claim 2, wherein the optical transmitting/receiving section is an optical spatial transmission unit comprising a plurality of light receiving elements, and a light emitting element that emits visible light is disposed at the center of the light receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316869A JPH02162848A (en) | 1988-12-15 | 1988-12-15 | Optical space transmission unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316869A JPH02162848A (en) | 1988-12-15 | 1988-12-15 | Optical space transmission unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02162848A true JPH02162848A (en) | 1990-06-22 |
Family
ID=18081819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63316869A Pending JPH02162848A (en) | 1988-12-15 | 1988-12-15 | Optical space transmission unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02162848A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367398A (en) * | 1992-04-11 | 1994-11-22 | Sony Corporation | Optical atmospheric link system |
| JPH07327009A (en) * | 1994-06-02 | 1995-12-12 | Nec Corp | Data link address acquisition method and optical communication system adopting the method |
-
1988
- 1988-12-15 JP JP63316869A patent/JPH02162848A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367398A (en) * | 1992-04-11 | 1994-11-22 | Sony Corporation | Optical atmospheric link system |
| JPH07327009A (en) * | 1994-06-02 | 1995-12-12 | Nec Corp | Data link address acquisition method and optical communication system adopting the method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4727600A (en) | Infrared data communication system | |
| US5416627A (en) | Method and apparatus for two way infrared communication | |
| US5880867A (en) | Infrared backbone communication network having a radio frequency backup channel | |
| US20100232799A1 (en) | Transmitter for Transmitting Data in an Optical Data Network and Method for Aligning Such a Transmitter | |
| EP0809172A3 (en) | Wearable computer | |
| US5176442A (en) | Infra-red coupling mechanism for a light projector | |
| FI952533A (en) | Method for providing any angular diversity and base station device | |
| CA2191592A1 (en) | Infrared backbone communication network having a radio frequency backup channel | |
| CA2170424A1 (en) | Portable electronic apparatus having a plurality of infrared ports | |
| US20060097660A1 (en) | Apparatus, system, and method for controlling remote lighting devices | |
| JPH02162848A (en) | Optical space transmission unit | |
| US20050281559A1 (en) | Adjustable coverage infrared transmission system | |
| EP0749219A3 (en) | Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication | |
| TWM538253U (en) | Wireless signal transceiver and antenna pole thereof | |
| CN108917699A (en) | A kind of reception brilliance degree test device | |
| JPS5995741A (en) | Transceiver for space propagating network | |
| JPS6418326A (en) | Space propagation optical communication equipment | |
| CN112468615A (en) | Electronic device | |
| JPH09275376A (en) | Optical radio communication equipment and optical radio system | |
| AU752876B2 (en) | A device and method for wireless data transmission | |
| JPH02186847A (en) | Infrared network-transceiver device | |
| JPH0797762B2 (en) | Relay method in space propagating optical communication | |
| JPS60246467A (en) | Portable type information processor | |
| JPH09284019A (en) | Direction detecting equipment | |
| CN209374666U (en) | A kind of angle of base station antenna regulating device and communication equipment |