Inventor
WITTE HANS-HERMANN
DE12 patents
Patents
12 patentsUS4484794ANov 27, 1984
Optical star coupler and the method of making
SIEMENS AG38 citations92
US5361254ANov 1, 1994
Switch mechanism for switching signals at inputs onto outputs and switching networks for interlinking first and second transmission media
SIEMENS AG48 citations91
US4723311AFeb 2, 1988
Method and apparatus for recognizing data collisions in an optical data bus
SIEMENS AG45 citations91
US4663767AMay 5, 1987
Optical data bus having a statistical access method
SIEMENS AG30 citations91
US4362357ADec 7, 1982
Optical star coupler for multi-mode light conducting fibers
SIEMENS AG21 citations81
US4625314ANov 25, 1986
Method for the recognition of the outage of one or more transmission channels in a redundantly designed optical transmission system
SIEMENS AG8 citations73
US4139259AFeb 13, 1979
Light distributor for optical communication systems
SIEMENS AG17 citations73
US4604756AAug 5, 1986
Device for recovering a synchronized clock signal from a signal sequence
SIEMENS AG13 citations72
US4491942AJan 1, 1985
Circuit for recognizing data collisions in an optical data bus and circuit for recognizing the data-free status of the bus
SIEMENS AG16 citations72
US4402568ASep 6, 1983
Method and apparatus for an optical four-gate coupler
SIEMENS AG13 citations68
US4543666ASep 24, 1985
Optical coupler network for coupling a plurality of subscriber transmitters to a plurality of subscriber receivers by means of optical star couplers
SIEMENS AG16 citations66
US4448480AMay 15, 1984
Optical fiber coupler
SIEMENS AG3 citations62