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Class Information
Number: 398/45
Name: Optical communications > Multiplex > Optical switching
Description: Subject matter wherein switching of multiple information or signals takes place in optical domain.










Sub-classes under this class:

Class Number Class Name Patents
398/46 Hybrid 98
398/55 Space 151
398/52 Time 136
398/48 Wavelength 445


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5086348 System for connecting optical lines to a wideband telecommunications exchange Feb. 4, 1992
5077483 Network topology for reduced blocking and photonic system implementation thereof Dec. 31, 1991
5060307 Apparatus and a method comprising an optical fiber modulator, coupler, switch, sensor and distribution system Oct. 22, 1991
5060305 Self clocked, self routed photonic switch Oct. 22, 1991
5026978 Photoelectric switch having pulse driver circuitry Jun. 25, 1991
5023863 Optical switching system Jun. 11, 1991
5010542 Multi-stage switching network for light waveguides Apr. 23, 1991
4961620 Optical bypass switch Oct. 9, 1990
4961621 Optical parallel-to-serial converter Oct. 9, 1990
4953155 Current summed optoelectronic crossbar switch Aug. 28, 1990
4930117 Wavelength division multiplexing system using optical switch May. 29, 1990
4923265 Light triggering switch May. 8, 1990
4917456 Optical crossover network Apr. 17, 1990
4901305 Distributed crossbar switch Feb. 13, 1990
4886335 Optical fiber switch system Dec. 12, 1989
4850047 Optical bus communication system utilizing frame format signals Jul. 18, 1989
4829511 Switched network of optical buses May. 9, 1989
4829512 Loop-back control apparatus for a loop network having duplicate optical fiber transmission lines May. 9, 1989
4797951 Parallel optical data transmission system Jan. 10, 1989
4761832 Fiber optic switching network Aug. 2, 1988
4739520 Optical switching system Apr. 19, 1988
4696059 Reflex optoelectronic switching matrix Sep. 22, 1987
4656350 Opto-electronic selector having a plurality of optical signal inlets Apr. 7, 1987
4641376 Multi-channel multi-cell optoelectronic switching networks for multi-service telecommunications systems Feb. 3, 1987
4596048 Optically isolated contention bus Jun. 17, 1986
4588262 Multi-laser switch May. 13, 1986
4580292 Communications exchange Apr. 1, 1986
4543663 Piezoelectric apparatus for positioning optical fibers Sep. 24, 1985
4512036 Piezoelectric apparatus for positioning optical fibers Apr. 16, 1985
4455643 High speed optical switch and time division optical demultiplexer using a control beam at a linear/nonlinear interface Jun. 19, 1984
4365863 Optical switch for a very large number of channels Dec. 28, 1982
4182544 Resonant multiplexer-demultiplexer for optical data communication systems Jan. 8, 1980
4143941 Low loss optical data terminal device for multimode fiber guide optical communication systems Mar. 13, 1979
4065644 Electro-optical and electronic switching systems Dec. 27, 1977

1 2 3 4 5 6 7 8 9 10 11 12 13 14










 
 
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