METHOD OF TRANSMISSION OF CODED REFLECTED INFORMATION ON LOCATION OF FISH, TRANSMISSION SYSTEM FOR REMOTE RADIO DIRECTION FINDER, TRANSMISSION SYSTEM FOR CODING AND TRANSMISSION OF INFORMATION Russian patent published in 1998 - IPC

Abstract RU 2107307 C1

FIELD: transmission of information on presence of shoals of fish from remote detector-fish finder to base station. SUBSTANCE: chosen finding device sending ultrasonic signals into aqueous medium switches on by request of calling device. Signals reflected from shoal of fish are received, processed, recorded, coded by Morse code and are sent to base processor where image of shoal of fish is synthesized on screen with the aid of reference signals. EFFECT: expanded application field and improved authenticity of method. 3 dwg

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RU 2 107 307 C1

Authors

Akira Nagasima[Jp]

Katsumasa Kadzivara[Jp]

Tosiro Akane[Jp]

Dates

1998-03-20—Published

1991-12-19—Filed