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. 07, 2015

Filed:

Oct. 05, 2012
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hiroki Asai, Fujisawa, JP;

Takeshi Hiraoka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01); H03M 9/00 (2006.01); H04L 7/10 (2006.01); H04L 25/14 (2006.01);
U.S. Cl.
CPC ...
H04L 7/0008 (2013.01); H03M 9/00 (2013.01); H04L 7/0091 (2013.01); H04L 7/10 (2013.01); H04L 7/0037 (2013.01); H04L 25/14 (2013.01);
Abstract

The disclosure provides a technique of enabling to confirm the state of a partner apparatus in high-speed serial communication. An information processing apparatus including a master and a slave which is connected with the master by a plurality of signal lines to be able to make serial communication therewith, the master comprises: a decision unit configured to decide a change in signal level of a data signal line, and a switching unit arranged between the data signal line and the decision unit, and configured to switch whether to invert a logical value based on the fact that the decision unit has decided a change in signal level of the data signal line.


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