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.:

US 7468668 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 23, 2008

Filed:

Jul. 28, 2005
Applicants:

Kazuhiro Akiyama, Kanagawa, JP;

Hatsuhide Igarashi, Kanagawa, JP;

Seiichi Okamoto, Kanagawa, JP;

Toshiyuki Miyashita, Kanagawa, JP;

Kazumi Seki, Kanagawa, JP;

Tatsuya Uchino, Kanagawa, JP;

Shigeki Kajimoto, Osaka, JP;

Inventors:

Kazuhiro Akiyama, Kanagawa, JP;

Hatsuhide Igarashi, Kanagawa, JP;

Seiichi Okamoto, Kanagawa, JP;

Toshiyuki Miyashita, Kanagawa, JP;

Kazumi Seki, Kanagawa, JP;

Tatsuya Uchino, Kanagawa, JP;

Shigeki Kajimoto, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01); G08B 5/22 (2006.01); H04Q 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device for an IC tag comprises a receive unit for demodulating receive data from a received RF signal and a signal processing unit for detecting a command comprising data signals from the receive data demodulated by the receive unit and executing processing based on the command, wherein the signal processing unit has a command acceptance mode for detecting the command from the receive data and a command execution mode for executing the command, and generates an error signal when the data signal is not detected from the receive data in the command acceptance mode.


Find Patent Forward Citations

Akiyama, Kazuhiro. (2008). Semiconductor device for ic tag, ic tag, and control method for ic tag for detecting and executing command from radio wave (U.S. Patent No. 7468668). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7468668

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