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:
Jun. 14, 2011

Filed:

Jan. 25, 2007
Applicants:

Masao Watanabe, Ashigarakami-gun, JP;

Hiroyuki Funo, Kanagawa, JP;

Kiyoshi Iida, Ashigarakami-gun, JP;

Ryota Mizutani, Ashigarakami-gun, JP;

Yasuaki Konishi, Ashigarakami-gun, JP;

Inventors:

Masao Watanabe, Ashigarakami-gun, JP;

Hiroyuki Funo, Kanagawa, JP;

Kiyoshi Iida, Ashigarakami-gun, JP;

Ryota Mizutani, Ashigarakami-gun, JP;

Yasuaki Konishi, Ashigarakami-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/00 (2006.01); H04B 1/00 (2006.01); H04Q 5/22 (2006.01); G01S 13/74 (2006.01); H01L 41/00 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A responder authenticity determination system, comprising: a responder that sends a response signal in response to a received signal; an interrogation signal generator that generates an interrogation signal having a random waveform; a transceiver that sends the generated interrogation signal to the responder, and receives a response signal from the responder; and an authenticity determination unit that determines authenticity of the responder based on the received response signal and the random waveform of the generated interrogation signal.


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