JP2002158608A - Transmission system - Google Patents

Transmission system

Info

Publication number
JP2002158608A
JP2002158608A JP2000352725A JP2000352725A JP2002158608A JP 2002158608 A JP2002158608 A JP 2002158608A JP 2000352725 A JP2000352725 A JP 2000352725A JP 2000352725 A JP2000352725 A JP 2000352725A JP 2002158608 A JP2002158608 A JP 2002158608A
Authority
JP
Japan
Prior art keywords
antenna
receiving
position information
transmitting
receiver
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
Application number
JP2000352725A
Other languages
Japanese (ja)
Inventor
Shingo Ito
信吾 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Kokusai Electric Inc
Original Assignee
Hitachi Kokusai Electric Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Kokusai Electric Inc filed Critical Hitachi Kokusai Electric Inc
Priority to JP2000352725A priority Critical patent/JP2002158608A/en
Publication of JP2002158608A publication Critical patent/JP2002158608A/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Television Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a transmission system used for live telecast, where a microwave signal is sent/received that can direct a reception antenna of the microwave signal to a direction of a transmission antenna, even when a mobile body transmits no microwave signal or when the microwave signal is interrupted. SOLUTION: A GPS receiver 11 (2) is respectively mounted on a transmitter 10 and a receiver 1. The transmitter 10 transmits positional information obtained by a GPS receiver 11 mounted on the transmitter 10 to the receiver 1, and the receiver 1 automatically adjusts the direction of a reception antenna 8 in the direction of the transmitter 10, on the basis of the position information sent from the transmitter 10 and position information of the receiver.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、移動体に搭載され
た送信装置から送信されるマイクロ波信号を受信するこ
とでテレビジョン映像信号の中継伝送等を行う伝送シス
テムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission system for relaying a television video signal by receiving a microwave signal transmitted from a transmission device mounted on a mobile body.

【0002】[0002]

【従来の技術】近年、テレビジョン映像信号の中継を行
う場合、移動体から送信されたマイクロ波信号をリアル
タイムで中継するために、可搬型の自動追尾アンテナを
用いた伝送システムが用いられている。この可搬型自動
追尾アンテナを用いた伝送システムは、追尾アンテナと
追尾受信機及びアンテナ回転装置とからなり、移動体か
ら送信されるマイクロ波信号を追尾アンテナが受信し、
受信されたマイクロ波信号の受信レベルを追尾受信機が
検知し、その検知された受信レベルに応じてアンテナの
回転装置を移動体から送信されるマイクロ波信号が到来
する方向に受信アンテナを自動で方向調整させるように
する。
2. Description of the Related Art In recent years, when relaying a television image signal, a transmission system using a portable automatic tracking antenna has been used in order to relay a microwave signal transmitted from a mobile body in real time. . A transmission system using this portable automatic tracking antenna includes a tracking antenna, a tracking receiver, and an antenna rotating device, and the tracking antenna receives a microwave signal transmitted from a moving object,
The tracking receiver detects the reception level of the received microwave signal, and automatically rotates the antenna rotation device in the direction in which the microwave signal transmitted from the moving body arrives according to the detected reception level. Adjust the direction.

【0003】[0003]

【発明が解決しようとする課題】上記のように、従来の
可搬型自動迫尾アンテナを用いた伝送システムでは、以
下に掲げる3項目のような問題がある。すなわち、 移動体からのマイクロ波信号が送信されない限りは、
自動追尾が不可能である。 移動体からのマイクロ波信号が遮断された場合、自動
追尾が不可能になり、移動体の方向を見失ってしまう。 初動時に移動体がマイクロ波信号を送信する方向をオ
ペレータが無差別に手動操作で探さなくてはならないた
めに、そのオペレータの作業は極めて煩わしく、時間を
要する。
As described above, the transmission system using the conventional portable automatic apposition antenna has the following three problems. That is, unless a microwave signal is transmitted from the mobile,
Automatic tracking is not possible. When the microwave signal from the moving object is cut off, automatic tracking becomes impossible, and the direction of the moving object is lost. Since the operator must indiscriminately manually search for the direction in which the mobile unit transmits the microwave signal during the initial movement, the operation of the operator is extremely troublesome and time-consuming.

【0004】本発明は、このような問題を解決するため
に為されたものであり、本発明の第1の目的は、移動体
からマイクロ波信号が送信されない場合、又はマイクロ
波信号が何らかの原因で遮断されて送信装置に到達して
いない場合であっても、自動追尾が可能なようにするこ
とにある。また、本発明の第2の目的は、例えば、初動
操作時に、オペレータが無差別に移動体を探さなくて
も、瞬時に移動体の方向に自動で受信アンテナの方向調
整をおこなえるようにすることにある。
[0004] The present invention has been made to solve such a problem, and a first object of the present invention is to solve the problem when a microwave signal is not transmitted from a mobile object or when a microwave signal is transmitted for some reason. It is to enable automatic tracking even when the signal is not transmitted to the transmitting device due to the interruption. Further, a second object of the present invention is to make it possible to automatically and automatically adjust the direction of the receiving antenna in the direction of the moving body instantaneously, for example, at the time of the initial operation, without the operator indiscriminately searching for the moving body. It is in.

【0005】[0005]

【課題を解決するための手段】本発明は、上述の課題を
解決するために、送信アンテナを備えた送信装置と、受
信アンテナおよび該受信アンテナの方向を前記送信アン
テナへ向き合うように調整するための方向調整手段を備
えた受信装置とを有する伝送システムにおいて、前記送
信装置は第1のGPS(Global Positioning System)受
信機と該第1GPS受信機により得た該送信装置の位置
情報(第1位置情報)を前記受信装置へ伝送する手段と
を備えると共に前記受信装置は第2のGPS受信機と前
記伝送された第1位置情報を受信する手段とを備え、前
記方向調整手段が、前記受信した第1位置情報と前記第
2GPS受信機により得た該受信装置の位置情報である
第2位置情報とに応じて前記受信アンテナ方向調整を行
うものである。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a transmitting apparatus having a transmitting antenna, a receiving antenna, and a direction of the receiving antenna adjusted to face the transmitting antenna. In a transmission system having a receiving device provided with a direction adjusting means, the transmitting device includes a first GPS (Global Positioning System) receiver and position information of the transmitting device obtained by the first GPS receiver (first position information). Information) to the receiving device, and the receiving device includes a second GPS receiver and a unit for receiving the transmitted first position information, and the direction adjusting unit receives the received first position information. The receiving antenna direction is adjusted in accordance with first position information and second position information which is position information of the receiving device obtained by the second GPS receiver.

【0006】さらに本発明は、前記送信アンテナの緯
度、経度及び高度情報と前記受信アンテナの緯度、経度
及び高度情報を基に前記受信アンテナに対する送信アン
テナの方向の俯角、仰角の値を求め、該求めた値に応じ
て前記受信アンテナを前記送信アンテナの方向に方向調
整をおこなうとしてもよく、さらに追尾アンテナ及び追
尾受信機を併用するとしてもよい。
Further, according to the present invention, based on the latitude, longitude and altitude information of the transmitting antenna and the latitude, longitude and altitude information of the receiving antenna, values of a depression angle and an elevation angle of the direction of the transmitting antenna with respect to the receiving antenna are obtained. The direction of the receiving antenna may be adjusted in the direction of the transmitting antenna according to the obtained value, and a tracking antenna and a tracking receiver may be used together.

【0007】[0007]

【発明の実施の形態】図1は、本発明の一実施例を示す
図である。上記の目的を達成するために、本発明は、受
信装置及び移動体にGPS受信機を搭載するものであ
る。この図において、1は受信装置、10は移動体に搭
載された送信装置である。受信装置1には、その受信装
置1の緯度経度高度情報をGPSシステムを用いて計測
するためのGPS受信機2と、移動体の方向を計算する
ためのコンピュータ装置(DOS/V)3と、受信装置
1の内部で受信装置1の緯度経度高度情報を設定可能と
する内部設定装置4とを有す。さらに受信装置1には、
GPS受信機2からの情報と内部設定装置4からの情報
のいずれかを選択して該選択された情報をコンピュータ
装置3へ出力するスイッチ6と、受信アンテナ8と、そ
の受信アンテナ8の方向を可変可能とするための回転装
置7と、その回転装置7の回転制御のための制御信号を
出力する角度方向制御装置5とを有する。
FIG. 1 is a diagram showing an embodiment of the present invention. In order to achieve the above object, the present invention is to mount a GPS receiver on a receiving device and a mobile object. In this figure, 1 is a receiving device, and 10 is a transmitting device mounted on a mobile body. The receiving device 1 includes a GPS receiver 2 for measuring the latitude and longitude altitude information of the receiving device 1 using a GPS system, a computer device (DOS / V) 3 for calculating the direction of a moving object, An internal setting device 4 that can set the latitude and longitude altitude information of the receiving device 1 inside the receiving device 1 is provided. Further, the receiving device 1 includes:
A switch 6 for selecting one of the information from the GPS receiver 2 and the information from the internal setting device 4 and outputting the selected information to the computer device 3, a receiving antenna 8, and a direction of the receiving antenna 8 It has a rotation device 7 for making it variable and an angle direction control device 5 for outputting a control signal for controlling the rotation of the rotation device 7.

【0008】一方、送信装置10には、その送信装置1
0の緯度経度高度情報をGPSシステムを用いて計測す
るためのGPS受信機11と、送信アンテナ12とを有
する。
On the other hand, the transmitting device 10 includes the transmitting device 1
It has a GPS receiver 11 for measuring latitude and longitude information of 0 using a GPS system, and a transmission antenna 12.

【0009】まず、受信装置1に搭載したGPS受信機
2から受信装置1の緯度・経度・高度情報が得られ、そ
れら情報がコンピュータ装置3へ入力される。ここで、
受信装置1に搭載したGPS受信機2は、受信装置1の
位置する場所によっては、GPS衛星から送出される位
置情報信号の受信感度が悪化する恐れがあり、もしその
感度が悪い場合には、測位可能状態とならずに受信装置
1の緯度・経度・高度情報が得られない場合がある。そ
のため、それら情報がGPS受信機2にはよらずに、受
信装置1の内部設定装置4によりそれら緯度・経度・高
度情報を設定可能とし、該設定された情報がコンピュー
タ装置3へ入力されて、適宜、GPS受信機2からの情
報の代わりに用いることができるようになっている。
First, information on the latitude, longitude and altitude of the receiving device 1 is obtained from the GPS receiver 2 mounted on the receiving device 1, and the information is input to the computer device 3. here,
The GPS receiver 2 mounted on the receiving device 1 may deteriorate the receiving sensitivity of the position information signal transmitted from the GPS satellite depending on the location of the receiving device 1, and if the receiving sensitivity is poor, There is a case where the latitude / longitude / altitude information of the receiving device 1 cannot be obtained without being in the positioning enabled state. Therefore, these information can be set by the internal setting device 4 of the receiving device 1 without depending on the GPS receiver 2, and the set information is input to the computer device 3, The information can be appropriately used instead of the information from the GPS receiver 2.

【0010】また、移動体の送信装置10からの緯度、
経度及び高度情報を、無線機により送信するか又はマイ
クロ波信号の音声信号や映像信号に重畳して伝送するこ
とで、それら情報を移動体位置情報として受信装置1へ
送信する。受信装置1では、送信装置10からの送信装
置10の位置情報と、上述した受信装置1の位置情報と
に基いて、コンピュータ装置3が受信装置1から送信装
置10への方向の俯角及び仰角の値を算出し、該算出さ
れたそれら値が角度方向制御装置5へ出力されて、角度
方向制御装置5では入力された値に応じて回転装置7の
回転制御のための制御信号を出力することで、受信アン
テナ8が送信装置10の位置情報と受信装置1の位置情
報とに応じ、常に送信装置10の方向に向くよう方向調
整されることが可能である。
The latitude of the mobile unit from the transmitter 10 is
The longitude and altitude information is transmitted to the receiving device 1 as mobile body position information by being transmitted by a wireless device or by being superimposed on an audio signal or a video signal of a microwave signal and transmitted. In the receiving device 1, based on the position information of the transmitting device 10 from the transmitting device 10 and the above-described position information of the receiving device 1, the computer device 3 transmits the depression angle and the elevation angle in the direction from the receiving device 1 to the transmitting device 10. Calculating a value, outputting the calculated value to the angle direction control device 5, and outputting a control signal for rotation control of the rotation device 7 in accordance with the input value. Thus, the direction of the receiving antenna 8 can be adjusted so as to always face the direction of the transmitting device 10 according to the position information of the transmitting device 10 and the position information of the receiving device 1.

【0011】なお、さらに追尾アンテナ及び追尾受信機
を併用して、受信アンテナ8の方向を制御するとしても
よい。
The direction of the receiving antenna 8 may be controlled by using a tracking antenna and a tracking receiver.

【0012】[0012]

【発明の効果】以上説明したように、本発明によれば、
移動体がマイクロ波信号を送信していない場合、また
は、マイクロ波信号が遮断され、移動体を見失った場
合、さらに初動操作時にオペレータが無差別に移動体を
探す場合に、送信装置及び移動体の位置情報をもとに送
信装置から見た移動体の俯角及び仰角を算出すること
で、マイクロ波信号を送信していない場合又は移動体の
方向が分からない場合でも、瞬時に移動体の方向に受信
アンテナを自動で方向調整を行うことができる。
As described above, according to the present invention,
When the moving object does not transmit the microwave signal, or when the microwave signal is interrupted and the moving object is lost, and when the operator indiscriminately searches for the moving object during the initial operation, the transmitting device and the moving object are used. By calculating the depression angle and elevation angle of the moving object viewed from the transmitting device based on the position information of the moving device, even if the microwave signal is not transmitted or the direction of the moving object is unknown, the direction of the moving object is instantaneously The direction of the receiving antenna can be automatically adjusted.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例のブロック構成を示す図。FIG. 1 is a diagram showing a block configuration of an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1:受信装置、 2,11:GPS受信機、 3:コン
ピュータ装置(DOS/V)、 4:内部設定装置、
5:角度方向制御装置、 6:スイッチ、 7:回転装
置、8:受信アンテナ、 10:送信装置、 12:送
信アンテナ12。
1: Receiving device, 2, 11: GPS receiver, 3: Computer device (DOS / V), 4: Internal setting device,
5: Angle direction control device, 6: Switch, 7: Rotating device, 8: Receiving antenna, 10: Transmitting device, 12: Transmitting antenna 12.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 送信アンテナを備えた送信装置と、受信
アンテナおよび該受信アンテナの方向を前記送信アンテ
ナへ向き合うように調整するための方向調整手段を備え
た受信装置とを有する伝送システムにおいて、前記送信
装置は第1のGPS(Global Positioning System)受信
機と該第1GPS受信機により得た該送信装置の位置情
報(第1位置情報)を前記受信装置へ伝送する手段とを
備えると共に前記受信装置は第2のGPS受信機と前記
伝送された第1位置情報を受信する手段とを備え、前記
方向調整手段が、前記受信した第1位置情報と前記第2
GPS受信機により得た該受信装置の位置情報である第
2位置情報とに応じて前記受信アンテナ方向調整を行う
ことを特徴とする伝送システム。
1. A transmission system comprising: a transmitting device having a transmitting antenna; and a receiving device having a receiving antenna and a direction adjusting unit for adjusting a direction of the receiving antenna so as to face the transmitting antenna. The transmitting device includes a first GPS (Global Positioning System) receiver, and means for transmitting position information (first position information) of the transmitting device obtained by the first GPS receiver to the receiving device, and the receiving device Comprises a second GPS receiver and a means for receiving the transmitted first position information, wherein the direction adjusting means comprises: the received first position information and the second position information.
A transmission system, wherein the direction of the receiving antenna is adjusted in accordance with second position information that is position information of the receiving device obtained by a GPS receiver.
【請求項2】 請求項1に記載の伝送システムにおい
て、前記送信アンテナの緯度、経度及び高度情報と前記
受信アンテナの緯度、経度及び高度情報を基に前記受信
アンテナに対する送信アンテナの方向の俯角、仰角の値
を求め、該求めた値に応じて前記受信アンテナを前記送
信アンテナの方向に方向調整をおこなうことを特徴とす
る伝送システム。
2. The transmission system according to claim 1, wherein a depression angle of a direction of the transmitting antenna with respect to the receiving antenna based on latitude, longitude, and altitude information of the transmitting antenna and latitude, longitude, and altitude information of the receiving antenna. A transmission system, wherein a value of an elevation angle is obtained, and the direction of the receiving antenna is adjusted in the direction of the transmitting antenna according to the obtained value.
【請求項3】 請求項1または2に記載の伝送システム
において、さらに追尾アンテナ及び追尾受信機を併用す
ることを特徴とするシステム。
3. The transmission system according to claim 1, further comprising a tracking antenna and a tracking receiver.
JP2000352725A 2000-11-20 2000-11-20 Transmission system Pending JP2002158608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000352725A JP2002158608A (en) 2000-11-20 2000-11-20 Transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000352725A JP2002158608A (en) 2000-11-20 2000-11-20 Transmission system

Publications (1)

Publication Number Publication Date
JP2002158608A true JP2002158608A (en) 2002-05-31

Family

ID=18825578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000352725A Pending JP2002158608A (en) 2000-11-20 2000-11-20 Transmission system

Country Status (1)

Country Link
JP (1) JP2002158608A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018088622A (en) * 2016-11-29 2018-06-07 沖電気工業株式会社 Antenna direction adjustment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018088622A (en) * 2016-11-29 2018-06-07 沖電気工業株式会社 Antenna direction adjustment system

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