Inventor · Kornwestheim, DE

Henning Bulow

28Patents
8h-index
10Co-inventors
68Inventor score

Filing activity: Feb 13, 1992 → Nov 7, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5550667A Optical transmitter Electricity 98 Expired
US6016379A Method and facility for equalizing an electric signal distorted due to interference in the optical domain Electricity 37 Expired
US6256342A Method and regenerative filter for equalizing digitally transmitted signals Electricity 36 Expired
US5793511A Optical receiver with an equalizing circuit for PMD-induced interference, and system with such an optical receiver Electricity 30 Expired
US6987804B2 Process for recovering digital optical signals and a feedback decision circuit Electricity 27 Expired
US6256130A Method for optical transmission over a fiber optic network, and optical communication network Electricity 26 Expired
US6271922A Transmission system and associated method for measuring interference effects of glass fiber transmission links Physics 14 Expired
US5377284A Interferometric optical switch Physics 13 Expired
US5442479A Fiber-optic amplifier with a facility for monitoring the pump power and input power Electricity 8 Expired
US5557694A Method of determining the zero dispersion wavelength of an optical waveguide Physics 8 Expired
US5195149A Fiber optic amplifier Electricity 8 Expired
US5504610A Optical mixer and its use Physics 7 Expired
US5774246A Apparatus for demultiplexing an optical digital signal Electricity 7 Expired
US5483373A Optical transmitter for the common transmission of analog signals and digital qam signals Electricity 5 Expired
US5903384A Wavelength converter suitable for high bit rates Physics 5 Expired
US6795596B2 Variable optical delay line and use of the variable optical delay line Physics 4 Expired
US7257290B2 Multi-wavelength CD and PMD compensator Electricity 4 Expired
US7295774B2 Performance monitoring for optical links Electricity 3 Expired
US6842547B2 Adaptive chromatic dispersion compensator Physics 3 Expired
US7546040B2 Fiber optical system for PMD mitigation by polarization scrambling Electricity 2 Active
US7486898B2 Receiver for PMD mitigation by polarization scrambling Electricity 2 Active
US8855504B2 Optical transmission method and optical receiver Electricity 1 Active
US6816635B2 Optical waveguide phase shifter Physics 1 Expired
US7289739B2 Polarization mode dispersion controller device and method for its operation Electricity 1 Expired
US5453872A Fiber-optic amplifier as wavelength converter Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.