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:
Mar. 16, 2021

Filed:

Jan. 11, 2017
Applicant:

Sintef Tto As, Trondheim, NO;

Inventors:

Tone Berg, Trondheim, NO;

Tonni Franke Johansen, Trondheim, NO;

Odd Trandem, Trondheim, NO;

Assignee:

SINTEF TTO AS, Trondheim, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 15/74 (2006.01); G01S 1/72 (2006.01); G10K 11/20 (2006.01); H04B 11/00 (2006.01); G01S 13/75 (2006.01);
U.S. Cl.
CPC ...
G01S 15/74 (2013.01); G01S 1/72 (2013.01); G10K 11/205 (2013.01); G01S 13/75 (2013.01); G01S 13/751 (2013.01); H04B 11/00 (2013.01);
Abstract

A semi-passive acoustic transponder providing identity information related to the transponder when it is reflecting a received pulsed acoustic signal underwater. The transponder includes a memory unit holding ID-sequence data controlling operation of the switching device, and an electronic circuit includes frequency adjusting means for adjusting the frequency and duration of the switch such that the duration of the ID-sequence data is shorter than the duration of pulses of the received acoustic signal. Additionally, a method and system may provide position and identity information related to one or more of said semi-passive acoustic transponders.


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Quick Actions:

Berg, Tone. (2021). Semi-passive transponder (U.S. Patent No. 10948594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10948594

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