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:
May. 19, 2009
Filed:
Jan. 18, 2005
Tomonaga Hasegawa, Sapporo, JP;
Hiroyasu Honda, Chiro, JP;
Tomonaga Hasegawa, Sapporo, JP;
Hiroyasu Honda, Chiro, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A data transfer control device includes a transceiver which receives a request packet from a partner device connected through the serial bus, and a link controller which analyzes the received request packet. The link controller reads an address size value set in the address size field of the received request packet, omits reading of an address from the address field when the address size value set in the address size field is zero, and reads an address, size of which is indicated by the set address size value from the address field when the address size value set in the address size field is other than zero.