JPS623082U - - Google Patents

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Publication number
JPS623082U
JPS623082U JP9412085U JP9412085U JPS623082U JP S623082 U JPS623082 U JP S623082U JP 9412085 U JP9412085 U JP 9412085U JP 9412085 U JP9412085 U JP 9412085U JP S623082 U JPS623082 U JP S623082U
Authority
JP
Japan
Prior art keywords
signal
pixel
circuit
coordinate system
storage circuit
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.)
Granted
Application number
JP9412085U
Other languages
Japanese (ja)
Other versions
JPH043266Y2 (en
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 filed Critical
Priority to JP1985094120U priority Critical patent/JPH043266Y2/ja
Publication of JPS623082U publication Critical patent/JPS623082U/ja
Application granted granted Critical
Publication of JPH043266Y2 publication Critical patent/JPH043266Y2/ja
Expired legal-status Critical Current

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  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)

Description

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

第１図は本考案の一実施例を示すブロツク図、
第２図は第１図のピークホールド回路の詳細なブ
ロツク図、第３図は従来のスキヤニングソナーの
表示装置を示すブロツク図、第４図は横ｍ個、縦
ｎ個の画素配列を有するカラーブラウン管上にお
いて、ある半径の最大探知距離の領域における画
像表示領域を示す説明図、第５図は極座標系のス
パイラル検出信号とＸ―Ｙ座標系の画素信号との
信号変換状態を示す作用説明図である。 １……検出装置、２……Ａ／Ｄ変換器、３……
画像記憶回路、４……ＸＹ座標変換回路、５……
カラーブラウン管表示器、６……ピークホールド
回路、７……セレクタ回路、８……レンジデータ
設定回路、９……比較回路、１０……ラスター走
査信号発生器、１１……スパイラル走査信号発生
器、１２……画素、Ｍ１……記憶回路。 FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a detailed block diagram of the peak hold circuit shown in Fig. 1, Fig. 3 is a block diagram showing a conventional scanning sonar display device, and Fig. 4 has a pixel array of m horizontal by n vertical pixels. An explanatory diagram showing an image display area in a region of maximum detection distance of a certain radius on a color cathode ray tube. Fig. 5 is an explanation of the operation showing the signal conversion state between a spiral detection signal in a polar coordinate system and a pixel signal in an XY coordinate system. It is a diagram. 1...detection device, 2...A/D converter, 3...
Image storage circuit, 4...XY coordinate conversion circuit, 5...
Color cathode ray tube display, 6... Peak hold circuit, 7... Selector circuit, 8... Range data setting circuit, 9... Comparison circuit, 10... Raster scanning signal generator, 11... Spiral scanning signal generator, 12...Pixel, M1 ...Memory circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) スキヤニングソナーの受信信号をスパイラ
ル走査により極座標系で検出する検出装置と、検
出装置により検出された極座標系のスパイラル検
出信号をＸ―Ｙ座標系の画素信号に変換する変換
手段と、変換手段により信号変換された画素信号
を記憶し適宜カラーブラウン管表示器にその画素
信号を出力する画像記憶回路とを含むスキヤニン
グソナーの画像表示装置において、前記検出装置
と画像記憶回路間には、Ｘ―Ｙ座標系の各一画素
に包含される極座標系の複数のスパイラル検出信
号のうちピーク値の信号をその画素の画素信号と
して選択保持するピークホールド回路が設けられ
ていることを特徴とするスキヤニングソナーの画
像表示装置。 (2) ピークホールド回路は対応する画素に包含
される複数のスパイラル検出信号を記憶する信号
記憶回路と、信号記憶回路に記憶されているスパ
イラル検出信号の抽出個数を指定するセレクタ回
路と、セレクタ回路によつて指定された各個数の
スパイラル検出信号のうちピーク値の信号を選択
して画素記憶回路に出力する比較回路とを有する
ことを特徴とするスキヤニングソナーの画像表示
装置。[Claims for Utility Model Registration] (1) A detection device that detects a received signal of a scanning sonar in a polar coordinate system by spiral scanning, and a spiral detection signal in the polar coordinate system detected by the detection device as a pixel in an X-Y coordinate system. A scanning sonar image display device comprising a conversion means for converting into a signal, and an image storage circuit for storing the pixel signal converted by the conversion means and outputting the pixel signal to a color cathode ray tube display as appropriate, wherein the detection device A peak hold circuit is provided between the image storage circuit and the image storage circuit for selecting and holding a peak value signal among a plurality of spiral detection signals in a polar coordinate system included in each pixel in an XY coordinate system as a pixel signal for that pixel. A scanning sonar image display device characterized by: (2) The peak hold circuit includes a signal storage circuit that stores multiple spiral detection signals included in a corresponding pixel, a selector circuit that specifies the number of spiral detection signals stored in the signal storage circuit, and a selector circuit. 1. A scanning sonar image display device comprising: a comparison circuit that selects a peak value signal from among the respective numbers of spiral detection signals specified by and outputs the selected signal to a pixel storage circuit.
JP1985094120U 1985-06-21 1985-06-21 Expired JPH043266Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985094120U JPH043266Y2 (en) 1985-06-21 1985-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985094120U JPH043266Y2 (en) 1985-06-21 1985-06-21

Publications (2)

Publication Number Publication Date
JPS623082U true JPS623082U (en) 1987-01-09
JPH043266Y2 JPH043266Y2 (en) 1992-02-03

Family

ID=30652400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985094120U Expired JPH043266Y2 (en) 1985-06-21 1985-06-21

Country Status (1)

Country Link
JP (1) JPH043266Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334424U (en) * 1989-08-08 1991-04-04
JP2008128900A (en) * 2006-11-22 2008-06-05 Furuno Electric Co Ltd Echo image display apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56160672A (en) * 1980-04-25 1981-12-10 Furuno Electric Co Ltd Sea bottom signal sensor of sea depth sounding device
JPS5776463A (en) * 1980-10-30 1982-05-13 Japan Radio Co Ltd Display device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56160672A (en) * 1980-04-25 1981-12-10 Furuno Electric Co Ltd Sea bottom signal sensor of sea depth sounding device
JPS5776463A (en) * 1980-10-30 1982-05-13 Japan Radio Co Ltd Display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334424U (en) * 1989-08-08 1991-04-04
JPH0516992Y2 (en) * 1989-08-08 1993-05-07
JP2008128900A (en) * 2006-11-22 2008-06-05 Furuno Electric Co Ltd Echo image display apparatus

Also Published As

Publication number Publication date
JPH043266Y2 (en) 1992-02-03

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