SIMPLE TYPE AUTOMATIC LAKE BOTTOM INVESTIGATION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a simple type automatic lake bottom investigation device with less economical burden and labor-saving, requiring a minimum number of measurement persons and requiring no expensive measurement instrument. SOLUTION: The simple type automatic lake bottom investigation device is provided with driving devices for driving the lake bottom investigation device 2 at left and right sides of a lake bottom investigation device body 2 respectively; a power source 4 provided on an upper surface of the lake bottom investigation device body 2; a computer 5 built-in in the lake bottom investigation device body 2; a fish detector 6 comprising a supersonic depth measurement part 11B for carrying out depth detection and a detection part body 11A for measuring from dispatch of the supersonic wave to detection; and a satellite communication means 7. The device further has a wave motion prevention part connected to the detection part body 11A through a support member 9. COPYRIGHT: (C)2005,JPO&NCIPI