JPH0481750B2 - - Google Patents

Info

Publication number
JPH0481750B2
JPH0481750B2 JP61241421A JP24142186A JPH0481750B2 JP H0481750 B2 JPH0481750 B2 JP H0481750B2 JP 61241421 A JP61241421 A JP 61241421A JP 24142186 A JP24142186 A JP 24142186A JP H0481750 B2 JPH0481750 B2 JP H0481750B2
Authority
JP
Japan
Prior art keywords
ram
fish
image
display
address
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 - Lifetime
Application number
JP61241421A
Other languages
Japanese (ja)
Other versions
JPS6395370A (en
Inventor
Takashi Sasaki
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.)
Kaijo Corp
Original Assignee
Kaijo Corp
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 Kaijo Corp filed Critical Kaijo Corp
Priority to JP61241421A priority Critical patent/JPS6395370A/en
Priority to KR870002219A priority patent/KR880005467A/en
Priority to NO871348A priority patent/NO173356C/en
Publication of JPS6395370A publication Critical patent/JPS6395370A/en
Publication of JPH0481750B2 publication Critical patent/JPH0481750B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/96Sonar systems specially adapted for specific applications for locating fish

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【発明の詳細な説明】 (発明の技術分野) 本発明は、多方向に超音波を発射し、広範囲に
魚群を探知する多方向カラー魚群探知機の表示方
法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Technical Field of the Invention) The present invention relates to a display method for a multidirectional color fish finder that detects schools of fish over a wide range by emitting ultrasonic waves in multiple directions.

(従来技術とその問題点) 図1a,bは多方向魚群探知機の一例として、
左、右それぞれに超音波を発射し、魚群探知する
場合を示したもので、、が超音波のビーム、
は魚群を示し、魚群中の矢印は魚群の移動方向
を示す。図2は従来の併画方法であり、超音波ビ
ームによる魚群からの反射信号により得られ
る画像を上下に分割表示し、矢印方向に画送りす
なわち表示パターンの移動をした場合の図1の魚
群像の表示例を示し、図3は左右に分割し、図中
矢印のように同方向画送りした従来の表示方式で
の表示例を示す。いずれの表示例でも、この全体
像から魚群の移動方向及び分布状況を判断する事
が可能である。
(Prior art and its problems) Figures 1a and 1b show an example of a multidirectional fish finder.
The figure shows the case where ultrasonic waves are emitted to the left and right to detect schools of fish, where , is the ultrasonic beam,
indicates a school of fish, and the arrow inside the school of fish indicates the direction of movement of the school of fish. Figure 2 shows the conventional simultaneous image display method, in which the image obtained by the reflection signal from the fish school by the ultrasonic beam is divided into upper and lower parts and displayed, and the image of the fish school in Figure 1 is obtained when the image is advanced in the direction of the arrow, that is, the display pattern is moved. FIG. 3 shows an example of a display using a conventional display method in which the image is divided into left and right parts and the images are fed in the same direction as shown by the arrows in the figure. In either display example, it is possible to determine the moving direction and distribution status of the school of fish from this overall image.

しかし、魚群の上に船を移動させ、図4の如く
魚群の大きく、かつ、魚群の移動速度が小さい場
合には、図5の表示例の如くその移動方向及び左
右の分布状況を画像から知るには、分割方法によ
つて、視線を左と右、又は上と下へ移動させて魚
群像を比較し、その大きさ等から魚群移動方向や
分布状況を判断していた。しかし、このときに
は、比較する魚群像が上下又は左右に距離が離れ
ている為、変化を即判断する事は難しく、ある程
度画像を送つた後でないと判断できなかつた。
However, when the boat is moved over a school of fish and the school of fish is large and the moving speed of the school of fish is slow as shown in Figure 4, the moving direction and left and right distribution can be determined from the image as shown in the display example of Figure 5. Depending on the dividing method, images of schools of fish were compared by moving the line of sight left and right or upward and downward, and the direction of movement and distribution of fish schools were determined from the size and other factors. However, in this case, since the images of the schools of fish to be compared are far apart vertically or horizontally, it is difficult to judge the change immediately, and it is difficult to judge the change immediately, and it can only be determined after a certain amount of images have been sent.

(発明の目的) 本発明は、従来の表示方法では、魚群の移動方
向や分布状況を直ちに判断できなかつた欠点を解
決するために、画面を左右に分割させ、かつ左右
の画面の境界部例えば画面の中心に最新の反射波
を示すパターンが位置するように2つの情報を並
べて表示することにより、視線を分散させること
なしに左右の情報の比較検討を直ちに行うことが
できるようにした画像表示方法を提供することを
目的とする。
(Purpose of the Invention) In order to solve the drawback that with conventional display methods, it was not possible to immediately determine the movement direction and distribution status of fish schools, the present invention divides the screen into left and right, and the boundary between the left and right screens, for example, An image display that displays two pieces of information side by side so that the pattern showing the latest reflected wave is located in the center of the screen, allowing you to immediately compare and consider the left and right information without having to disperse your line of sight. The purpose is to provide a method.

(発明の構成) 以下図面により本発明を詳細に説明する。(Structure of the invention) The present invention will be explained in detail below with reference to the drawings.

本発明の表示方法を図6に示す。又図7はその
拡大図である。図6で示す様に、表示画面を左、
右に分割し、反射波を示すパターンのうち左側パ
ターンは矢印のように送信毎に左側方向に、右
側パターンは図中矢印のように送信毎に右側方
向に表示画面上で画送りする。このようにするこ
とにより、最も新しい情報は図7で示した左側情
報はP0右側情報はS0に表示され、左右画面の境
界部例えば中央位置に最新情報が、又、画像両端
には最も古い情報が表示される。従つて従来のよ
うに視線を上下或いは左右に殆ど移動させること
なく、魚群の移動方向などの判断をすることがで
きる。
The display method of the present invention is shown in FIG. Moreover, FIG. 7 is an enlarged view thereof. As shown in Figure 6, move the display screen to the left,
Of the patterns that are divided to the right and show reflected waves, the left pattern is moved to the left every time it is transmitted, as shown by the arrow, and the right pattern is moved to the right every time it is sent, as shown by the arrow in the figure, on the display screen. By doing this, the latest information is displayed in P0 for the left side information shown in Figure 7, S0 for the right side information, and the latest information is displayed at the boundary between the left and right screens, for example at the center position, and the most recent information is displayed at both ends of the image. Old information is displayed. Therefore, it is possible to judge the moving direction of a school of fish without having to move the line of sight vertically or horizontally as in the conventional case.

(実施例) 次に、本願発明を具体的に適用した実施例を図
8に示す。
(Example) Next, an example in which the present invention is specifically applied is shown in FIG.

まず、図8の実施例について説明する。 First, the embodiment shown in FIG. 8 will be described.

は本システムを制御するCPUである。は
送信のトリガを決めるタイマーであり、その出力
は割り込みコントローラに入る。は本システ
ムのプログラムが格納されれているROMであ
り、はシステムのデータを一部格納した受信デ
ータを格納する使用するRAMである。
is the CPU that controls this system. is a timer that determines the trigger for transmission, and its output goes into the interrupt controller. is the ROM in which the program of this system is stored, and is the RAM used to store the received data containing part of the system data.

まず、RAMに受信データが格納されるまで
を説明する。タイマーで発生したトリガーパル
スは割り込みコントローラでCPUに割り込
みを発生させ、送受信器9の送信器を働かせ、超
音波パルスを送受波器を通して海中に発射す
る。海中の魚群等から反射パルスは再び送受波器
を通して、受信器で一定レベルまで増幅さ
れ、スイツチを通してA/D変換器で定めら
れたビツトのデイジタル信号に変換される。タイ
マーは、表示範囲から決まる一定周期のパルス
を発生し、割り込みコントローラに入る。一定
周期の割り込みが入ると、デイジタル化された受
信信号は、パルスに同期し、予めプログラムされ
たRAM上に転送される。これらは、表示分解
能によつて定める回数だけ、引き続き行われる。
例えば、分解能が256ならば、256回パルスが発生
し、256のデータがRAM6上に格納される。
First, we will explain how received data is stored in RAM. The trigger pulse generated by the timer causes an interrupt controller to generate an interrupt to the CPU, activates the transmitter of the transceiver 9, and emits an ultrasonic pulse through the transducer into the sea. The reflected pulse from a school of fish in the sea passes through the transducer again, is amplified to a certain level by the receiver, passes through a switch, and is converted into a digital signal of determined bits by an A/D converter. The timer generates pulses with a constant period determined by the display range and enters the interrupt controller. When a periodic interrupt occurs, the digitized received signal is synchronized with the pulse and transferred to a preprogrammed RAM. These operations are performed successively a number of times determined by the display resolution.
For example, if the resolution is 256, pulses are generated 256 times and 256 data are stored on the RAM 6.

次にタイマーが再び動き、送受信器の送信
器を働かせ、同様に受信器のデータをRAM
上に格納する。
The timer then runs again, activating the transceiver's transmitter and similarly transferring the receiver's data to the RAM.
Store above.

〔RAMからV−RAMへの転送〕 は表示画像データを格納するV−RAMであ
り、右半分の画像に対応するデータをV−RAM
−0から読み出すとともに左半分の画像に対応す
るデータをV−RAM−1より読み出すように表
示画素数のアドレスを持つ。本実施例では、深度
方向(縦方向)に256、時間方向(横方向)に256
のアドレスを持つ。ここでは深度方向のアドレス
は説明を省略し、時間方向(横方向)について説
明する。横方向のアドレスをラインアドレスと名
付ることとする。
[Transfer from RAM to V-RAM] is V-RAM that stores display image data, and the data corresponding to the right half image is transferred to V-RAM.
It has an address for the number of display pixels so that data corresponding to the left half image is read from V-RAM-1 at the same time as reading from -0. In this example, 256 in the depth direction (vertical direction) and 256 in the time direction (horizontal direction).
has an address of Here, the explanation of the address in the depth direction will be omitted, and the address in the time direction (horizontal direction) will be explained. The horizontal address will be called a line address.

RAMに格納された送受信器及びから得
られた2ライン分の情報は、図9(1)に示すメモリ
アドレス<127><0>にそれぞれCPUが発生
したアドレスが切換スイツチ,を通して、V
−RAMに印加され、転送される。
The two lines of information obtained from the transceiver and the transmitter/receiver stored in the RAM are transferred to memory addresses <127><0> shown in FIG.
- Applied to RAM and transferred.

<表示> CRTコントローラで、表示画素に対応する
表示アドレス(CRTラインアドレス)が発生さ
れ、CPUがV−RAMにアクセスしない間切
換スイツチ,は、CRTラインアドレス(上
位7ビツト)と、表示スタートレジスタ及び
との値が加算されたアドレスをV−RAMに印
加する様に働き、又CRTラインアドレスのMSB
はそのままV−RAM−0又はV−RAM−1の
いずれかを選択するメモリアドレスとなる。その
様子を図9(1)を使つて説明する。表示スタートア
ドレスレジスタ及びには最初それぞれ「0」
を入力する。
<Display> The CRT controller generates the display address (CRT line address) corresponding to the display pixel, and while the CPU does not access the V-RAM, the selector switch outputs the CRT line address (upper 7 bits) and the display start register. It works to apply the address with the added values of and to V-RAM, and also the MSB of the CRT line address.
directly becomes a memory address for selecting either V-RAM-0 or V-RAM-1. The situation will be explained using FIG. 9(1). The display start address register and the display start address register are each set to “0” at first.
Enter.

CRTC〓〓が発生するラインアドレスは下位(20
〜26)は右から0〜127、0〜127と出力され、
MSBは画面半分より右は「0」、左は「1」とな
る。
The line address where CRTC〓〓 occurs is the lower one (2 0
~2 6 ) is output as 0~127, 0~127 from the right,
The MSB is "0" to the right of half the screen and "1" to the left.

従つて、V−RAMに印加されるアドレス
(メモリラインアドレス)は、CRTラインアドレ
スと同じものとなる。
Therefore, the address (memory line address) applied to the V-RAM is the same as the CRT line address.

これにより、画面は先にV−RAMに転送し
た<127>及び<0>のデータが画面中央に表示
される。
As a result, the <127> and <0> data previously transferred to the V-RAM are displayed in the center of the screen.

<画像の移動> 次に再び、送受信器及びを働かせ、2ライ
ン分の情報をRAM上に得ると、表示スタート
レジスタには<1>を入れ、表示スタートレジ
スタには<127>を入れる。このようにして、
送受信器で得られた情報はメモリラインアドレ
ス<0>に一方の送受信器で得られた情報はメ
モリラインアドレス<127>に転送される。これ
により、表示画像は、図9(2)に示したように右側
画像は右方向に左側画像は左側方向に移動する。
図9(3)はこれらを127回行つた後の状態を示して
いる。
<Image Movement> Next, the transmitter/receiver is activated again to obtain two lines of information on the RAM, and <1> is entered into the display start register, and <127> is entered into the display start register. In this way,
Information obtained by the transceiver is transferred to memory line address <0>, and information obtained by one of the transceivers is transferred to memory line address <127>. As a result, the displayed image, as shown in FIG. 9(2), moves the right image to the right and the left image to the left.
FIG. 9(3) shows the state after performing these steps 127 times.

上記表示スタートレジスタ,への数値の入
力とRAMからのV−RAMへの転送時に、
画像にちらつきを生ずるため、CRTCから発生
する垂直同期信号を割込コントローラに入力
し、帰線期間内に上記の動作をする事で、画像に
ちらつきを生ずる事なしに上記の動作を実行する
事ができる。
When inputting numerical values to the above display start register and transferring from RAM to V-RAM,
Since flickering occurs in the image, by inputting the vertical synchronization signal generated from the CRTC to the interrupt controller and performing the above operation during the retrace period, the above operation can be executed without causing flicker in the image. I can do it.

又、色調発生回路はV−RAM20の読出デ
ータをカラー化させ、CRT〓〓に印加する為の回
路であり、偏向回路はCRT〓〓をラスター走査
させる為の回路である。
Further, the color tone generation circuit is a circuit for colorizing the read data of the V-RAM 20 and applying it to the CRT〓〓, and the deflection circuit is a circuit for raster scanning the CRT〓〓.

(発明の効果) 以上説明したように、左側画像は中心から左方
向に画送りし、右側画像は中心から右方向に画送
りする為、中心付近の画像を視線をそらす事な
く、直ちに両者の比較検討ができる為、魚群の移
動方向や分布状況判断に非常に役立ち、本発明の
効果は大なるものである。
(Effects of the Invention) As explained above, since the image on the left side is advanced from the center to the left, and the image on the right side is advanced from the center to the right, the image near the center can be immediately moved between the two images without averting your line of sight. Since comparative studies can be made, it is extremely useful for determining the movement direction and distribution status of schools of fish, and the effects of the present invention are great.

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

図1a,b及び図4a,bは多方向魚探のビー
ム配置例を説明するための平面略図及び断面略
図、図2、図3は従来の表示方法を示す略図、図
5は従来の表示方法での問題点を説明するための
画像表示例図、図6は本発明方法による画像表示
例図、図7は図6内の円形部分の拡大図、図8は
本発明の1実施例を示すブロツク図、図9は図8
の実施例の動作を説明するための略図である。 ……CPU、,……タイマー、……割
込みコントローラ、……ROM、……RAM、
……送受波器、……送受波器、,…
…送受信器、……スイツチ、……A/D変換
器、,……表示スタートレジスタ、……
CRTコントローラ、,……加算器、,
……切換スイツチ、……V−RAM、……色
調発生回路、……偏向回路、〓〓……カラー
CRT。
1a, b and 4a, b are schematic plan views and cross-sectional diagrams for explaining examples of beam arrangement of a multidirectional fish finder, FIGS. 2 and 3 are schematic diagrams showing conventional display methods, and FIG. 5 is a schematic diagram showing a conventional display method. 6 is an example of an image display according to the method of the present invention, FIG. 7 is an enlarged view of a circular portion in FIG. 6, and FIG. 8 is a block diagram showing one embodiment of the present invention. Figure 9 is Figure 8
2 is a schematic diagram for explaining the operation of the embodiment. ...CPU, ...Timer, ...Interrupt controller, ...ROM, ...RAM,
...Transducer/receiver, ...Transducer/receiver,...
...transmitter/receiver, ...switch, ...A/D converter, ...display start register, ...
CRT controller,...adder,,
……Selector switch, ……V-RAM, ……color tone generation circuit, ……deflection circuit, 〓〓……color
CRT.

Claims (1)

【特許請求の範囲】 1 多系統の魚群探知信号を併画するカラー魚群
探知機の画像表示方法において、 表示画面が左右に分割され、かつ分割された左
右画面の境界部付近にそれぞれの最新の反射波を
示すパターンが位置するように表示され、かつ送
信毎に左側パターンが左方向に、右側パターンが
右方向に移送されるようにしたことを特徴とする
画像表示方法。
[Claims] 1. In an image display method for a color fish finder that simultaneously displays multi-system fish finding signals, the display screen is divided into left and right sides, and each of the latest information is displayed near the boundary between the left and right divided screens. An image display method characterized in that patterns representing reflected waves are displayed so as to be positioned, and the left pattern is moved to the left and the right pattern is moved to the right for each transmission.
JP61241421A 1986-10-13 1986-10-13 Image display system Granted JPS6395370A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP61241421A JPS6395370A (en) 1986-10-13 1986-10-13 Image display system
KR870002219A KR880005467A (en) 1986-10-13 1987-03-12 Image display device
NO871348A NO173356C (en) 1986-10-13 1987-03-31 Procedure for sonar detection of fish deposits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61241421A JPS6395370A (en) 1986-10-13 1986-10-13 Image display system

Publications (2)

Publication Number Publication Date
JPS6395370A JPS6395370A (en) 1988-04-26
JPH0481750B2 true JPH0481750B2 (en) 1992-12-24

Family

ID=17074043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61241421A Granted JPS6395370A (en) 1986-10-13 1986-10-13 Image display system

Country Status (3)

Country Link
JP (1) JPS6395370A (en)
KR (1) KR880005467A (en)
NO (1) NO173356C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009222414A (en) * 2008-03-13 2009-10-01 Royal Kogyo Kk Fish finder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2930384B2 (en) * 1990-07-21 1999-08-03 新日本製鐵株式会社 Side dam lubrication method for continuous sheet casting machine

Also Published As

Publication number Publication date
KR880005467A (en) 1988-06-29
NO871348L (en) 1988-04-14
NO173356B (en) 1993-08-23
NO871348D0 (en) 1987-03-31
NO173356C (en) 1993-12-01
JPS6395370A (en) 1988-04-26

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