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:
Dec. 11, 2007
Filed:
Nov. 27, 2002
John Brungot, Fagerstrand, NO;
Lars Hoff, Bekkestua, NO;
Sverre Holm, Acker, NO;
Arne Rønnekleiv, Trondhelm, NO;
Dag Thorstein Wang, Oslo, NO;
Ralph William Bernstein, Bekkestua, NO;
John Brungot, Fagerstrand, NO;
Lars Hoff, Bekkestua, NO;
Sverre Holm, Acker, NO;
Arne Rønnekleiv, Trondhelm, NO;
Dag Thorstein Wang, Oslo, NO;
Ralph William Bernstein, Bekkestua, NO;
Vivid AS, As, NO;
Abstract
The invention relates to an identification chip for insertion in an object located in a liquid. The identification chip comprises an acoustic resonator (), which exhibits a number of distinct resonant frequencies, where the combination of resonant frequencies is unique to the identification chip. This enables the identification chip to be identified by exposing it to an acoustic polling signal, measuring an acoustic response signal and analysing the frequency of the response signal. The resonator () comprises a cavity-forming part () and a membrane (). The acoustic resonant frequencies are determined by at least one cavity (), which is enclosed by the cavity-forming part () and the membrane (). The identification chip can be implanted in a fish, with the object of identifying the fish when it is located in water.