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. 24, 2009
Filed:
Jun. 30, 2005
Yongwook Ra, Jeollabuk-do, KR;
Byungjun Ahn, Daejeon, KR;
Hae-won Jung, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
An apparatus and method for a redundancy control in duplex switch boards in a high speed network system are provided. The apparatus includes: a switching unit for switching data inputted one of the duplex switch boards to a destination line card; a state controlling unit for controlling a clock state of an opponent switch board between the duplex switch boards; an IPC controlling unit for controlling an inter processor communication (IPC) of a platform of the communication network system; a processing unit for controlling the IPC controlling unit and the state controlling unit of the duplex switch boards; and a clock controlling unit for synchronizing a clock between the duplex switch boards.