Invention Grant
- Patent Title: Data transmission device
- Patent Title (中): 数据传输设备
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Application No.: US13071323Application Date: 2011-03-24
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Publication No.: US08687643B2Publication Date: 2014-04-01
- Inventor: Minoru Nagai , Hiroaki Miyata
- Applicant: Minoru Nagai , Hiroaki Miyata
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JP2010-091388 20100412
- Main IPC: H04L12/28
- IPC: H04L12/28
Abstract:
A data transmission device includes a unit that changes the number and combination of optical communication paths forming a virtual communication path. The data transmission device has functions of forming a virtual communication path by connecting only the number of optical communication paths satisfying a required bandwidth and of turning off operation circuits forming unconnected optical communication paths.
Public/Granted literature
- US20110249684A1 DATA TRANSMISSION DEVICE Public/Granted day:2011-10-13
Information query
