The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2008
Filed:
Sep. 28, 2006
Applicants:
Mitsuhiro Inouchi, Nishinomiya, JP;
Makoto Shibata, Nishinomiya, JP;
Inventors:
Mitsuhiro Inouchi, Nishinomiya, JP;
Makoto Shibata, Nishinomiya, JP;
Assignee:
Furuno Electric Company, Limited, Nishinomiya-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 15/96 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fish finder includes a transducer that repeatedly transmits ultrasonic pulse signals downward into the water and receives signals from the water, a first signal generating unit that generates a first signal on the basis of a reception signal at an identical depth caused by signals transmitted at least twice, and an interference detecting unit that detects an occurrence of interference on the basis of plural first signals at different depths.