Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Edge interference filter for optical communication transmission in wavelength-division multiplex

Edge interference filter for optical communication transmission in wavelength-division multiplex

US Patent 4770496 · Granted Sep 13, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Integrated optical arrangement for demultiplexing a plurality of different wavel1993
Light waveguide coupler having three or more gates and utilizing the beam splitt1991
Arrangement for controlling or regulating an emission wavelength and emitted pow1989
Light diplexer of a communication system comprising three light connections1988
Integrated optical multiplex-demultiplex module for optical communications trans1988
Monolithically integrated WDM demultiplex module and method of manufacture of su1988
Optical device for use as a multiplexer or demultiplexer in accordance with the 1988
Edge interference filter for optical communication transmission in wavelength-di1988
Optical waveguide junction and method of making said junction1987
Method for manufacturing of integrated DFB laser with coupled strip waveguide on1987
Branch connector for light waveguides1987
Transmission and reception device for a fiber-optical sensor system1986