SHIP TRACK DISPLAY DEVICE
PROBLEM TO BE SOLVED: To provide a ship track display device capable of making a user grasp information relating to the topography of the water bottom without any deviation.SOLUTION: Position information of a ship is obtained per predetermined unit time, and a depth d of the water bottom is calculat...
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Format | Patent |
Language | English Japanese |
Published |
22.12.2016
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Abstract | PROBLEM TO BE SOLVED: To provide a ship track display device capable of making a user grasp information relating to the topography of the water bottom without any deviation.SOLUTION: Position information of a ship is obtained per predetermined unit time, and a depth d of the water bottom is calculated. A display color according to the depth d of the water bottom is set as the display color of a ship track 42a in a unit time in which the depth d is calculated. A beam radius r showing a detection range of an ultra-sonic beam in the water bottom in which the depth d is calculated is estimated, and a display width proportional to the beam radius r is set as the display width of the ship track 42a in the unit time in which the depth d of the water bottom is calculated. The ship track 42a in each unit time is sequentially drawn by the display color and the display width set in each unit time.SELECTED DRAWING: Figure 7
【課題】水底の地形に関する情報をずれなく使用者に把握させることができる航跡表示装置を提供する。【解決手段】単位時間毎に、船舶の位置情報を取得し、また、水底の深度dを算出する。その水底の深度dに応じた表示色が、その深度dが算出された単位時間における航跡42aの表示色として設定される。また、深度dが算出された水底における超音波ビームの探知範囲を示すビーム半径rを推定し、そのビーム半径rに比例する表示幅が、その水底の深度dが算出された単位時間における航跡42aの表示幅として設定される。各単位時間において設定された表示色と表示幅とで、各々の単位時間における航跡42aを順次描画する。【選択図】図7 |
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AbstractList | PROBLEM TO BE SOLVED: To provide a ship track display device capable of making a user grasp information relating to the topography of the water bottom without any deviation.SOLUTION: Position information of a ship is obtained per predetermined unit time, and a depth d of the water bottom is calculated. A display color according to the depth d of the water bottom is set as the display color of a ship track 42a in a unit time in which the depth d is calculated. A beam radius r showing a detection range of an ultra-sonic beam in the water bottom in which the depth d is calculated is estimated, and a display width proportional to the beam radius r is set as the display width of the ship track 42a in the unit time in which the depth d of the water bottom is calculated. The ship track 42a in each unit time is sequentially drawn by the display color and the display width set in each unit time.SELECTED DRAWING: Figure 7
【課題】水底の地形に関する情報をずれなく使用者に把握させることができる航跡表示装置を提供する。【解決手段】単位時間毎に、船舶の位置情報を取得し、また、水底の深度dを算出する。その水底の深度dに応じた表示色が、その深度dが算出された単位時間における航跡42aの表示色として設定される。また、深度dが算出された水底における超音波ビームの探知範囲を示すビーム半径rを推定し、そのビーム半径rに比例する表示幅が、その水底の深度dが算出された単位時間における航跡42aの表示幅として設定される。各単位時間において設定された表示色と表示幅とで、各々の単位時間における航跡42aを順次描画する。【選択図】図7 |
Author | HIGUCHI KAZUKI SANO SHUICHI |
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DocumentTitleAlternate | 航跡表示装置 |
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RelatedCompanies | HONDA ELECTRONIC CO LTD |
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Snippet | PROBLEM TO BE SOLVED: To provide a ship track display device capable of making a user grasp information relating to the topography of the water bottom without... |
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SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
Title | SHIP TRACK DISPLAY DEVICE |
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