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:
Nov. 18, 2003
Filed:
Jul. 07, 1999
Akira Norizuki, Shizuoka, JP;
Akiyoshi Tomita, Shizuoka, JP;
Kazuyoshi Unno, Shizuoka, JP;
Katsutoshi Nakajima, Shizuoka, JP;
Hiroshi Nishiyama, Shizuoka, JP;
Yoshikazu Saito, Shizuoka, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
In a ring network system in which a plurality of devices each having a first communication IC are connected in a ring-like manner by a transmission line to mutually effect transmission and reception of data among the devices, an rack unit is disposed between two adjacent ones of the plurality of devices, the rack unit and the plurality of devices are connected in the ring-like manner by the transmission line, wherein the rack unit has a plurality of device inserting slots in which a plurality of additional devices are installed and which are provided in correspondence with the plurality of additional devices, and a second communication IC for controlling data communication among the plurality of additional devices installed in the plurality of device inserting slots and for controlling data communication between the additional device and the network device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile