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:
Apr. 20, 2021

Filed:

Jan. 23, 2018
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Masayuki Kamiyama, Chino, JP;

Toshiya Usuda, Ina, JP;

Hiroshi Kiya, Suwa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H03K 19/003 (2006.01); G06F 1/14 (2006.01); G09C 1/00 (2006.01); G06F 21/44 (2013.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); G06F 1/14 (2013.01); G06F 21/44 (2013.01); G06F 21/445 (2013.01); G09C 1/00 (2013.01); H03K 19/003 (2013.01);
Abstract

A circuit device includes an oscillation circuit that generates an oscillation signal by using an oscillator, a processing unit that controls the oscillation circuit, and an interface unit that outputs authentication information to an external device. The authentication information being information based on specific information of the circuit device and is used to authenticate the circuit device.


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