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:
Feb. 26, 2008
Filed:
Sep. 16, 2004
Applicants:
Shun Oshita, Sapporo, JP;
Shinsuke Kubota, Sapporo, JP;
Hiroaki Shimono, Fujimi-cho, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 25/02 (2006.01); H04L 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A data transfer control device for data transfer through a bus, includes: a buffer controller which controls access to a packet buffer which stores data; and a transfer controller which controls transfer of the data stored in the packet buffer. A transaction for performing data transfer with a transfer destination is issued, and when a negative acknowledgment (NAK) response to the issued transaction is returned from the transfer destination, issuance of a retransmission transaction for the NAK response is allowed after waiting for a predetermined skip timing.