Inventor
EGOSHI HIROYA
JP6 patents
Patents
6 patentsUS5805601ASep 8, 1998
System for controlling signal transfer between a plurality of devices
FUJITSU LTD44 citations91
US6163526ADec 19, 2000
Transmission system for switching connection from a working channel line to a protection channel line while avoiding instantaneous cutoff upon failure
FUJITSU LTD14 citations70
US5870403AFeb 9, 1999
Apparatus and a method for establishing signal synchronization between lines
FUJITSU LTD12 citations70
US6418116B1Jul 9, 2002
Transmission system having an uninterrupted switchover function for a plurality of lines
FUJITSU LTD6 citations59
US7103274B2Sep 5, 2006
Cross-connect apparatus
FUJITSU LTD2 citations55
US7228075B2Jun 5, 2007
Wavelength multiplexing apparatus and signal conversion apparatus
FUJITSU LTD0 citations35