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.

Date of Patent:
Feb. 28, 2006

Filed:

Jul. 07, 2003
Applicants:

Hiroyasu Fujimoto, Nishinomiya, JP;

Hiroshi Nagano, Nishinomiya, JP;

Makoto Obuchi, Nishinomiya, JP;

Itsuo Makino, Nishinomiya, JP;

Inventors:

Hiroyasu Fujimoto, Nishinomiya, JP;

Hiroshi Nagano, Nishinomiya, JP;

Makoto Obuchi, Nishinomiya, JP;

Itsuo Makino, Nishinomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 15/88 (2006.01);
U.S. Cl.
CPC ...
Abstract

A display having a screen providing historical water depth information and a screen providing fish school detection information is presented. The water depth information and the fish school detection information may be derived from an echo signal, and can be displayed simultaneously or alternated separately on the display by switching. When the water depth reaches or is less than a predetermined value, an alarm may be provided on the display and/or an alarm sound may be generated. As the alarm is displayed the brilliance of the display may be raised to a maximum brilliance, making the display brighter so the contents are easier to see.


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