Title: Multibeam ultrasonic fish detector
Application Number: 200610151002 Application Date: 2006.11.09
Publication Number: 1959434 Publication Date: 2007.05.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01S15/96
Applicant(s) Name: Harbin Engineering Univ. Address:
Inventor(s) Name: Li Haisen;Zhou Tian;Bi Xiaojun;Yao Bin;Wei Yukuo;C
Attorney & Agent: zhanggui feng
Abstract:
    A fish detector of multi-wave beam ultrasonic ray type consists of above-water subunit, transverter array and receiving-transmitting switch. It is featured as forming above-water sub-unit by industrial control computer, signal generating unit, signal emitting unit, signal nursing unit, signal collecting/processing unit, display and storage, enabling to obtain more accurate information of fish school since multi-channel transverter is used in detector for having intensity of receiving echo raised.
Time: 9