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Underwater detection device and object mark display method

A technology of object mark and display part, which is applied in the field of underwater detection device and object mark display, and can solve the problems such as difficult to read the length of fish body correctly

Active Publication Date: 2018-04-20
FURUNO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this case, it may be difficult to correctly read the length of the fish, etc.

Method used

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  • Underwater detection device and object mark display method
  • Underwater detection device and object mark display method
  • Underwater detection device and object mark display method

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Experimental program
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Embodiment Construction

[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings. figure 1 It is a block diagram showing the configuration of the fish detection device (underwater detection device) 10 .

[0033] The fish detector 10 transmits ultrasonic waves underwater, and receives echo signals that are reflected waves of the ultrasonic waves. The fish detection device 10 analyzes the echo signal to calculate fish information indicating the depth at which the fish exists, the length of the fish body, and the like, and displays it as a fish detection video.

[0034] Such as figure 1 As shown, the fish finder 10 includes a control unit 11 , a sending circuit 12 , a transceiver switcher 13 , a transceiver 14 , a receiving circuit 15 , an A / D converter 16 and a display unit 17 .

[0035] The transmission instructing unit 21 included in the control unit 11 generates a signal instructing the timing of generating ultrasonic waves, the level of the ultra...

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Abstract

The invention provides an underwater detection device and an object display method. A fish shoal detection machine as an underwater detection device comprises a transceiver, an echo signal processing part, a display part and a display control part. The transceiver emits ultrasonic waves and receives echo signals as reflected waves of the ultrasonic waves. The echo signal processing part figures out fish shoal information based on the echo signals. The display part displays the fish shoal information on a picture by utilization of fish shoal symbols. The display control part sets a selective display scope around the fish shoal symbols displayed on the display part, and other fish shoal information is not displayed in the set selective display scope. The underwater detection device can generate vision, has excellent recognizability and can read object detection images of useful information correctly.

Description

technical field [0001] The invention mainly relates to a method for displaying object marks (fish schools, etc.) of an underwater detecting device. Background technique [0002] Currently, there is known a fish detection device (underwater detection device) that detects underwater and detects schools of fish. The fish finder sends ultrasonic waves into the water (usually directly below), and receives the reflected waves of the ultrasonic waves, that is, echo signals. The fish detector calculates fish school information, which is information indicating the depth at which the school of fish exists, etc., by analyzing the echo signal. The fish detection device generates a fish detection image (target detection image) based on the fish information and displays it on the display unit. Patent Document 1 discloses such a school of fish detector. [0003] The fish detection device of Patent Document 1 displays fish information using a fish-shaped mark (fish symbol). The fish det...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S15/96G01S15/06
CPCG01S7/52053G01S15/96
Inventor 御园生哲史长谷坚信永井正吾博拉咯尼古拉
Owner FURUNO ELECTRIC CO LTD