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:
May. 19, 2009

Filed:

Apr. 13, 2005
Applicants:

Seiichi Ozawa, Tokyo, JP;

Jun-ichi Okamura, Tokyo, JP;

Yohei Ishizone, Tokyo, JP;

Satoshi Miura, Tokyo, JP;

Inventors:

Seiichi Ozawa, Tokyo, JP;

Jun-ichi Okamura, Tokyo, JP;

Yohei Ishizone, Tokyo, JP;

Satoshi Miura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

[Problems] To realize a reliable and stable transfer of digital data that does not require a reference clock and a handshake operation. [Means for Solving the Problem] The present invention provides a digital data transfer method for alternately and periodically transferring first information and second information respectively in a first period and in a second period, wherein: an amount of information of the first information per unit time in the first period is greater than an amount of information of the second information per unit time in the second period; and the second information in the first period is transferred as pulse-width-modulated serial data.


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