JPH07307701A - Ccd sensor for optical communication - Google Patents
Ccd sensor for optical communicationInfo
- Publication number
- JPH07307701A JPH07307701A JP6099006A JP9900694A JPH07307701A JP H07307701 A JPH07307701 A JP H07307701A JP 6099006 A JP6099006 A JP 6099006A JP 9900694 A JP9900694 A JP 9900694A JP H07307701 A JPH07307701 A JP H07307701A
- Authority
- JP
- Japan
- Prior art keywords
- optical communication
- sensor
- light
- ccd sensor
- communication
- 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
Landscapes
- Optical Communication System (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、通信衛星等のアンテナ
に搭載される光通信システムの光通信用ＣＣＤ（Ｃｈａ
ｒｇｅ Ｃｏｕｐｌｅｄ Ｄｅｖｉｃｅ，以下、ＣＣＤ
と称する）センサに係わる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical communication CCD (Cha) for an optical communication system mounted on an antenna of a communication satellite or the like.
rge Coupled Device, hereafter CCD
Referred to as a sensor).
【０００２】[0002]
【従来の技術】通信衛星等のアンテナに搭載される光通
信システムにおいては、通信相手である他の通信衛星や
地上基地局等から受光される通信のための受信光を光通
信受信センサである通信センサでずれることなく正確な
位置で受光させることが要求されている。そのために、
受信光の通信センサで受光する位置を検出する光通信用
ＣＣＤセンサが設けられている。2. Description of the Related Art In an optical communication system mounted on an antenna of a communication satellite or the like, an optical communication receiving sensor is used for receiving light received from another communication satellite or a ground base station which is a communication partner. It is required for the communication sensor to receive light at an accurate position without shifting. for that reason,
An optical communication CCD sensor is provided for detecting the position where the communication sensor for received light receives the light.
【０００３】光通信用ＣＣＤセンサ１０は、図４に示す
ように格子状に配置された受光素子１０１から構成され
おり、図５に示すような光通信システムにおいては、分
光フィルタ２０を介して受光素子において受光される受
信光の受光量を検出することにより、分光フィルタ２０
を介して通信センサ３０において受光される受信光の位
置を検出している。おこの光通信用ＣＣＤセンサ１０に
より、通信センサ３０において受信光が本来受光される
べき正確な位置からずれていることが検出された場合
は、その検出されたずれの量から、通信衛星のアンテナ
方向を制御することにより、通信センサ３０が正確な位
置で受信光を受信できるようになっている。The optical communication CCD sensor 10 is composed of light receiving elements 101 arranged in a lattice as shown in FIG. 4, and in the optical communication system as shown in FIG. 5, it receives light through a spectral filter 20. The spectral filter 20 is detected by detecting the amount of received light received by the element.
The position of the received light received by the communication sensor 30 is detected via the. When the CCD sensor 10 for optical communication detects that the received light is deviated from the correct position where it should be received by the communication sensor 30, the antenna of the communication satellite is detected from the detected deviation amount. By controlling the direction, the communication sensor 30 can receive the received light at an accurate position.
【０００４】[0004]
【発明が解決しようとする課題】しかし、このような光
通信用ＣＣＤセンサ１０を図５に示すような光通信シス
テムに用いる場合は、受信光をＣＣＤセンサ用と通信セ
ンサ用に分離するために分光フィルタ２０を必要としな
ければならず、この分光フィルタ２０は、例えば、受信
光の２０％を光通信用ＣＣＤセンサ１０に、残り８０％
を通信センサ３０にと、受信光を分光させるためのもの
であるので、光通信ＣＣＤ用センサ１０及び通信センサ
３０では、受信光が本来の受光された強度で受光できな
いという欠点が生じていた。However, when such a CCD sensor 10 for optical communication is used in the optical communication system as shown in FIG. 5, in order to separate the received light for the CCD sensor and the communication sensor. The spectral filter 20 must be required. For example, the spectral filter 20 allows 20% of the received light to the optical communication CCD sensor 10 and the remaining 80%.
Since it is for separating the received light into the communication sensor 30, the optical communication CCD sensor 10 and the communication sensor 30 have a drawback in that the received light cannot be received with the originally received intensity.
【０００５】そこで、本発明は、上記欠点を除去し、受
光する本来の強度を弱めることなく受信光を受光でき、
更には、受信センサに前記受信光を供給することができ
る光通信用ＣＣＤセンサを提供することを目的としてい
る。Therefore, the present invention eliminates the above-mentioned drawbacks and can receive the received light without weakening the original intensity of the received light.
Another object is to provide a CCD sensor for optical communication, which can supply the received light to the receiving sensor.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明の光通信用ＣＣＤセンサにおいては、受信光
の少なくとも１部を受光することなく通過させることが
できる貫通した穴部を具備している。In order to achieve the above object, the CCD sensor for optical communication of the present invention is provided with a through hole which allows at least a part of the received light to pass therethrough without receiving it. is doing.
【０００７】[0007]
【作用】本発明の光通信用ＣＣＤセンサは、受信光の少
なくとも１部を受光することなく通過させることができ
る貫通した穴部を具備しているので、光通信用ＣＣＤセ
ンサにおいて直接受信光を受光することができると共
に、受信センサに受信光を供給でき、受信センサにおい
ても同様に直接受信光を受光することが可能になる。Since the CCD sensor for optical communication of the present invention is provided with the through hole which allows at least a part of the received light to pass through without receiving the received light, the CCD sensor for optical communication directly receives the received light. Not only can the light be received, but the received light can be supplied to the receiving sensor, and the receiving sensor can also directly receive the received light.
【０００８】[0008]
【実施例】本発明の一実施例を図１乃至図２を用いて詳
細に説明する。光通信用ＣＣＤセンサ１は、図１に示す
ように格子状に配置された受光素子１０１から構成され
ると共に、穴部１１が光通信用ＣＣＤセンサ１の中央部
に設けられている。なお、受光素子１０１については従
来のものと同様である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIGS. The optical communication CCD sensor 1 is composed of light receiving elements 101 arranged in a lattice as shown in FIG. 1, and a hole 11 is provided in the center of the optical communication CCD sensor 1. The light receiving element 101 is the same as the conventional one.
【０００９】この光通信用ＣＣＤセンサ１においては通
信相手である他の通信衛星や地上基地局等からの通信の
ための受信光を受光する際、この受信光の一部を前記穴
部１１を通過させることが可能になる。In the optical communication CCD sensor 1, when receiving the received light for communication from another communication satellite or a ground base station, which is a communication partner, a part of the received light is passed through the hole 11. It becomes possible to pass.
【００１０】本実施例においては、この穴部１１は前述
したように光通信用ＣＣＤセンサ１の中央部に設けられ
るが、受信光が光通信用ＣＣＤセンサ１の受光素子１０
１で受光せず、前記穴部１１を通過することから通信セ
ンサ等に対してずれなく正確な位置に受光していること
を判断できるものとする。また、受信光が穴部１１以外
の受光素子１０１に受光しているときには従来の光通信
用ＣＣＤセンサと同様に位置検出を行い、通信センサ３
０において受信光が本来受光されるべき正確な位置から
ずれていることが検出された場合は、その検出されたず
れの量から、通信衛星のアンテナ方向を制御することに
より、通信センサ３０が正確な位置で受信光を受信でき
るようになっている。In this embodiment, the hole 11 is provided in the center of the optical communication CCD sensor 1 as described above, but the received light is the light receiving element 10 of the optical communication CCD sensor 1.
Since the light is not received at 1 and passes through the hole 11, it can be determined that the light is received at an accurate position without displacement with respect to the communication sensor or the like. Further, when the received light is received by the light receiving element 101 other than the hole portion 11, position detection is performed similarly to the conventional CCD sensor for optical communication, and the communication sensor 3
When it is detected that the received light is deviated from the correct position where it should originally be received at 0, the communication sensor 30 is accurately controlled by controlling the antenna direction of the communication satellite based on the detected deviation amount. It is possible to receive the received light at various positions.
【００１１】次に、この光通信用ＣＣＤセンサ１を用い
た通信衛星等のアンテナに搭載される光通信システムに
ついて図２を用いて説明する。なお、通信センサ３０に
ついては従来のものと同様である。Next, an optical communication system mounted on an antenna of a communication satellite using the CCD sensor 1 for optical communication will be described with reference to FIG. The communication sensor 30 is the same as the conventional one.
【００１２】本発明の光通信用ＣＣＤセンサ１を用いた
光通信システムにおいては、図２に示すように、従来の
システムのように分光フィルタを用いる必要がなくなる
と共に、受信光は直接光通信用ＣＣＤセンサ１で受光す
ることができ、さらに、前記受信光は光通信用ＣＣＤセ
ンサ１の穴部１１を貫通して直接通信センサ３０でも受
光することができる。In the optical communication system using the CCD sensor 1 for optical communication of the present invention, as shown in FIG. 2, it is not necessary to use a spectral filter as in the conventional system, and the received light is for direct optical communication. The CCD sensor 1 can receive the light, and the received light can also be directly received by the communication sensor 30 by penetrating the hole 11 of the CCD sensor 1 for optical communication.
【００１３】つまり、本発明の光通信用ＣＣＤセンサ１
は、分光フィルタを設けていないので、分光フィルタに
より分光され、強度の弱くなった受信光ではなく、受信
光を本来の強度のままで直接受光することが可能になる
という効果が得られる。That is, the CCD sensor 1 for optical communication according to the present invention.
Since the spectral filter is not provided, it is possible to directly receive the received light with the original intensity, not the received light whose intensity is weakened by the spectral filter.
【００１４】同様に、通信センサ３０においても、分光
フィルタにより分光され、強度の弱くなった受信光では
なく、受信光を本来の強度のままで直接受光することが
可能になるという効果が得られる。Similarly, also in the communication sensor 30, it is possible to directly receive the received light in its original intensity, not the received light whose intensity is weakened by the spectral filter. .
【００１５】また、本発明の光通信用ＣＣＤセンサ１
は、穴部１１を設けたことにより、ＣＣＤセンサ自体の
受光素子１０１の数が減少するので、ＣＣＤセンサとし
ての信号処理速度も高速化できるという効果も得られ
る。Further, the CCD sensor 1 for optical communication according to the present invention.
Since the number of the light receiving elements 101 of the CCD sensor itself is reduced by providing the hole 11, the signal processing speed of the CCD sensor can be increased.
【００１６】また、本発明の光通信用ＣＣＤセンサ１を
用いた場合、分光フィルタを用いる必要がないので、従
来、困難としていた分光フィルタと光通信用ＣＣＤセン
サ１及び通信センサ３０との配置の調節、つまり、アラ
イメントとの調整が不必要となる効果も得られる。When the CCD sensor 1 for optical communication according to the present invention is used, it is not necessary to use a spectral filter. Therefore, it is difficult to arrange the spectral filter and the CCD sensor 1 for optical communication and the communication sensor 30 which have been difficult in the past. The effect that the adjustment, that is, the adjustment with the alignment is unnecessary is also obtained.
【００１７】本発明の実施例では、穴部１１を光通信用
ＣＣＤセンサ１の中央部に設けた例について説明した
が、この穴部１１を中央部に設ける必要はなく、光通信
システムに用いた場合、受信光が光通信用ＣＣＤセンサ
１の穴部１１を通過して、通信センサ３０で受光する位
置であれば、光通信用ＣＣＤセンサ１のどの位置に設け
られていても同様な効果が得られる。In the embodiment of the present invention, an example in which the hole 11 is provided at the center of the CCD sensor 1 for optical communication has been described. However, it is not necessary to provide the hole 11 at the center and it is used for an optical communication system. If the received light passes through the hole 11 of the CCD sensor 1 for optical communication and is received by the communication sensor 30, the same effect can be obtained regardless of the position of the CCD sensor 1 for optical communication. Is obtained.
【００１８】次に、他の実施例について図３を用いて説
明する。本実施例においては、格子状に配置された受光
素子１０１から構成される光通信用ＣＣＤセンサ１に穴
部を設ける点や、受光素子１０１に受信光が受光した時
の制御等については前述した実施例と同様であるが、図
３に示すようにこの穴部に通信センサ３０を組み込んだ
構成をしている。Next, another embodiment will be described with reference to FIG. In the present embodiment, the point of providing a hole in the CCD sensor 1 for optical communication composed of the light receiving elements 101 arranged in a grid, the control when the received light is received by the light receiving element 101, and the like are described above. Although it is similar to the embodiment, as shown in FIG. 3, the communication sensor 30 is incorporated in this hole.
【００１９】このような光通信用ＣＣＤセンサ１を光通
信システムに用いた場合、前述した実施例と同様に光通
信用ＣＣＤセンサ１及び通信センサ３０で直接受信光を
受光することが可能になり、前述した実施例と同様な効
果が得られると共に、さらには、本実施例においては通
信センサ３０は光通信用ＣＣＤセンサ１と等距離で受信
光を受光することが可能になるという効果が得られる。When such an optical communication CCD sensor 1 is used in an optical communication system, the received light can be directly received by the optical communication CCD sensor 1 and the communication sensor 30 as in the above-described embodiment. The same effect as the above-described embodiment is obtained, and further, in this embodiment, the communication sensor 30 can receive the received light at the same distance as the optical communication CCD sensor 1. To be
【００２０】また、本実施例においては通信センサ３０
を光通信用ＣＣＤセンサ１の中央部に設けた例について
説明したが、前述した実施例と同様に、中央部に設ける
必要性がないことはいうまでもなく、どの位置に通信セ
ンサ３０を設けても同様の効果が得られる。Further, in this embodiment, the communication sensor 30
Although the example in which the CCD sensor is provided in the central part of the optical communication CCD sensor 1 has been described, it is needless to say that it is not necessary to provide it in the central part as in the above-described embodiments, and at which position the communication sensor 30 is provided. However, the same effect can be obtained.
【００２１】尚、以上説明した２つの実施例において
は、光通信用ＣＣＤセンサ１の穴部１１を通過した受信
光は通信センサ３０で受光されるものとして説明された
が、通信センサに限定されるものではなく、他の受信セ
ンサを使用した実施形態でも同様の効果が得られるもの
である。In the two embodiments described above, the received light that has passed through the hole 11 of the CCD sensor 1 for optical communication is described as being received by the communication sensor 30, but it is not limited to the communication sensor. However, the same effect can be obtained in an embodiment using another receiving sensor.
【００２２】[0022]
【発明の効果】以上説明したように、本発明の光通信用
ＣＣＤセンサによれば、この光通信用ＣＣＤセンサを光
通信システムに用いることによって、従来のように分光
フィルタを用いる必要がなくなると共に、光通信用ＣＣ
Ｄセンサでは受信光を本来の強度のままで受光すること
ができ、その受信光を受光した本来の強度のままで受信
センサにも供給することができるという効果が得られ
る。As described above, according to the CCD sensor for optical communication of the present invention, by using this CCD sensor for optical communication in an optical communication system, it is not necessary to use a spectral filter as in the conventional case. , CC for optical communication
The D sensor can receive the received light with the original intensity as it is, and can also supply the received light to the receiving sensor with the original intensity of the received light as it is.
【００２３】さらに、光通信用ＣＣＤセンサは穴部を設
けたことにより受光素子数が減少するので信号処理速度
も高速化できるという効果が得られる。また、分光フィ
ルタと光通信用ＣＣＤセンサ及び受信センサとの配置の
調節、つまり、アライメントの調整が不必要となる効果
も得られる。Further, since the number of light receiving elements is reduced by providing the hole portion in the CCD sensor for optical communication, the signal processing speed can be increased. In addition, it is possible to obtain an effect that the arrangement of the spectral filter and the CCD sensor for optical communication and the receiving sensor, that is, the adjustment of the alignment becomes unnecessary.
【図１】 本発明の光通信用ＣＣＤセンサ１の構成を示
した図である。FIG. 1 is a diagram showing a configuration of a CCD sensor 1 for optical communication according to the present invention.
【図２】 本発明の光通信用ＣＣＤセンサ１を用いた光
通信システムの構成図である。FIG. 2 is a configuration diagram of an optical communication system using the CCD sensor 1 for optical communication of the present invention.
【図３】 本発明の光通信用ＣＣＤセンサ１の構成を示
した図である。FIG. 3 is a diagram showing a configuration of a CCD sensor 1 for optical communication according to the present invention.
【図４】 従来の光通信用ＣＣＤセンサ１０の構成を示
した図である。FIG. 4 is a diagram showing a configuration of a conventional optical communication CCD sensor 10.
【図５】 従来の光通信用ＣＣＤセンサ１０を用いた光
通信システムの構成図である。FIG. 5 is a configuration diagram of an optical communication system using a conventional CCD sensor for optical communication 10.
１，１０・・・光通信用ＣＣＤセンサ １１・・・穴部 １０１・・・受光素子 ２０・・・分光フィルタ ３０・・・通信センサ 1, 10 ... CCD sensor for optical communication 11 ... Hole 101 ... Light receiving element 20 ... Spectral filter 30 ... Communication sensor
Claims (4)
ことができる貫通した穴部を具備することを特徴とする
光通信用ＣＣＤセンサ。1. A CCD sensor for optical communication, comprising a through hole that allows at least a part of received light to pass therethrough without receiving the received light.
給されることを特徴とする請求項１記載の光通信用ＣＣ
Ｄセンサ。2. The CC for optical communication according to claim 1, wherein the received light passing through the hole is supplied to a receiving sensor.
D sensor.
徴とする請求項１乃至請求項２記載の光通信用ＣＣＤセ
ンサ。3. The CCD sensor for optical communication according to claim 1, wherein a receiving sensor is incorporated in the hole.
ことを特徴とする請求項２乃至請求項３記載の光通信用
ＣＣＤセンサ。4. The CCD sensor for optical communication according to claim 2, wherein the receiving sensor is an optical communication receiving sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6099006A JPH07307701A (en) | 1994-05-13 | 1994-05-13 | Ccd sensor for optical communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6099006A JPH07307701A (en) | 1994-05-13 | 1994-05-13 | Ccd sensor for optical communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07307701A true JPH07307701A (en) | 1995-11-21 |
Family
ID=14234959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6099006A Pending JPH07307701A (en) | 1994-05-13 | 1994-05-13 | Ccd sensor for optical communication |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07307701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2384635A (en) * | 2002-01-28 | 2003-07-30 | Phillip Andrew Haley | Infrared CCD video camera optical communication system |
-
1994
- 1994-05-13 JP JP6099006A patent/JPH07307701A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2384635A (en) * | 2002-01-28 | 2003-07-30 | Phillip Andrew Haley | Infrared CCD video camera optical communication system |
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