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:
Aug. 09, 2016
Filed:
Apr. 23, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kentaro Seo, Minowa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 1/16 (2006.01);
U.S. Cl.
CPC ...
H04L 43/50 (2013.01); H04L 1/1692 (2013.01);
Abstract
A communication circuit (an interface section) includes an input section (a input shift register) to which a data signal is input, an output section (and output shift register) adapted to output a reply signal in a case in which the data signal is input, and a command determination section adapted to perform propriety determination of a command signal included in the data signal, and the output section outputs a negative acknowledgement signal as the reply signal in a case in which it is determined in the propriety determination that the command signal is improper.