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:
Sep. 27, 2011
Filed:
Oct. 25, 2007
Kaoru Noumi, Kobe, JP;
Susumu Nishihashi, Kobe, JP;
Tomoyuki Katou, Kobe, JP;
Yukio Ishikawa, Kobe, JP;
Yasuyuki Umezaki, Kawasaki, JP;
Hidetaka Ebeshu, Kawasaki, JP;
Shigeo Koide, Kawasaki, JP;
Yukio Fujisawa, Tokyo, JP;
Hiroaki Shimauchi, Tokyo, JP;
Kaoru Noumi, Kobe, JP;
Susumu Nishihashi, Kobe, JP;
Tomoyuki Katou, Kobe, JP;
Yukio Ishikawa, Kobe, JP;
Yasuyuki Umezaki, Kawasaki, JP;
Hidetaka Ebeshu, Kawasaki, JP;
Shigeo Koide, Kawasaki, JP;
Yukio Fujisawa, Tokyo, JP;
Hiroaki Shimauchi, Tokyo, JP;
Fujitsu Semiconductor Limited, Yokohama-shi, JP;
Renesas Technology Corporation, Kawasaki-shi, JP;
Abstract
A gateway apparatus for performing transfer control of frame data between a plurality of different communication channels is provided with a time stamp unit for adding time stamp information to received frame data and a data discarding unit for determining processing delay of the frame data or abnormality of the apparatus by referring to the time stamp information and for deleting the time stamp information added to the frame data at the time of sending the frame data.