Class 385/22 - Single pole multiple throw (relay switch)

Subclass of Class 385 - Optical waveguides
Definition: Subject matter wherein the optical switch operates to selectively
No. of applications: 38
Last issue date: 09/29/2011

Application No.	Application Title	Issue Date
20110236015	METHOD OF SWITCHING OPTICAL PATH, AND APPARATUS THEREOF Terminals of upstream and downstream sides of an in-service line and a detour line are connected by optical couplers. An optical oscilloscope is connected to one optical coupler, and a chirped pulse light source is connected to the other optical coupler to thereby form ...	09/29/2011
20110103741	OPTICAL FIBER SWITCH INCLUDING AN INDEX MATCHING ELASTOMERIC SOLID LAYER PROVIDING CORE AND CLADDING INDEX OF REFRACTION MATCHING AND RELATED METHODS An optical fiber switch which may include first and second angled optical fibers having respective first and second end faces. Each of the first and second angled optical fibers may include a core having a core index of refraction, and a cladding surrounding the core an...	05/05/2011
20110103740	OPTICAL FIBER SWITCH INCLUDING AN INDEX MATCHING ELASTOMERIC SOLID LAYER AND RELATED METHODS An optical fiber switch which may include first and second angled optical fibers having respective first and second end faces. Each of the first and second angled optical fibers may include a core having a core index of refraction, and a cladding surrounding the core an...	05/05/2011
20110033151	OPTICAL WAVELENGTH SELECTIVE ROUTER A fiber-optical, wavelength selective switch, especially for channel routing with equalization and blocking applications. The input signals are converted to light beams having predefined polarizations (41). The beams are then laterally expanded (43), and t...	02/10/2011
20100322620	Self-Healing Repeater Node A device may include a component, a first switch, a repeater, and a second switch. The component may configure optical paths between ports. The component may comprise a first pair of optical ports connected to a first pair of optical fibers, and a second pair of optical...	12/23/2010
20100046885	METHOD AND APPARATUS FOR PROVIDING AN AUTOMATED PATCH PANEL An approach is provided for an automated patch panel. A command is received to change a connection state of an optic patch cord. A robotic arm is controlled to change the connection state of the optic patch cord with respect to a particular port of a plurality of ports ...	02/25/2010
20090310910	OPTICAL SWITCHES Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a pro...	12/17/2009
20090214161	Multimode Interference Waveguide Type Optical Switch It is an object of the present invention to provide a multimode interference waveguide type optical switch that has a wide tolerance and that digitally performs switching with respect to a change in an applied voltage or injected current. The multimode interference wave...	08/27/2009
20090208169	OPTICAL SWITCHING DEVICE WITH RECONFIGURABLE CHANNEL SPACING An optical switching device includes an array of liquid crystal macropixels, wherein each macropixel includes at least two liquid crystal subpixels. The subpixels may be controlled together to act as a single polarizing pixel, or independently to act as multiple polariz...	08/20/2009
20090154874	OPTICAL DEVICE WITH NON-EQUALLY SPACED OUTPUT PORTS The invention relates to multiport routing devices for routing optical signals which also provide beam attenuation by imparting a controllable offset between an optical beam and a selected optical port. A multiport optical routing device of the present invention has a p...	06/18/2009
20090148097	Plasmon router A variety of structures, methods, systems, and configurations can support plasmons for routing....	06/11/2009
20080292240	Optical Switches Optical switches are described herein. In one embodiment, an exemplary optical switch includes, but is not limited to, a first waveguide, a second waveguide across with the first waveguide in an angle to form an intersection, and a pair of electrodes placed within a pro...	11/27/2008
20080267558	OPTICAL SWITCH An optical switch including an alignment head, a first fiber, a second fiber, a third fiber, a wedge, and a displacing means is provided. The alignment head has a base and a cover. The base has a first V-groove, a second V-groove, and a trench linked to the first and th...	10/30/2008
20080145053	Optical processing A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an o...	06/19/2008
20080112666	Apparatus for providing optical radiation Apparatus for providing optical radiation (10) comprising a pump array (8) for providing pump radiation (7), a first pump combiner (1), and a waveguide (3), wherein the pump radiation (7) from the pump array (8) is couple...	05/15/2008
20080037932	OPTICAL SWITCH HAVING ANGLE TUNING ELEMENTS AND MULTIPLE-FIBER COLLIMATORS An optical switch with a compact form factor includes a multiple-fiber collimator and an angle tuning element for deflecting an optical beam from an input fiber into one of at least two output fibers. The angle tuning element may be provided between a pair of coaxially-...	02/14/2008
20070223861	Multiport switch for optical performance monitor The present invention provides a switch assembly for use with a single-port OPM to realize a multi-port OPM having improved reliability. In one embodiment, an N×1 optical switch assembly, wherein N is an integer greater than one, is provided. The optical switch assembl...	09/27/2007
20070077003	Wavelength selective optical switch, and optical device provided with spectrscopic function A wavelength selective optical switch of the present invention separates a WDM light emitted from an input port of an input and output optical system, according to wavelengths, by a diffraction grating, and thereafter, condenses the lights of respective wavelengths on M...	04/05/2007
20060257073	Optical switch and matrix optical switch The invention provides an optical switch including a substrate which has conductivity or semiconductivity, an optical waveguide layer which is formed on the substrate, and a control electrode which is formed on the optical waveguide layer. The optical waveguide layer in...	11/16/2006
20060228070	Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micromir...	10/12/2006
20060153499	Y-branch-based thermo-optic digital optical switches and variable optical attenuators with non-uniform heating The present invention is concerned with 1×2 thermo-optic digital optical switches known in the art as “Y-branch digital optical switches” and variable optical attenuators. ...	07/13/2006
20060153495	Galvanically isolated signal conditioning system A galvanically isolated signal conditioning system includes a signal conditioning circuit on an integrated circuit chip; a flying capacitor; and a galvanically isolating MEMS switching device on an integrated circuit chip for selectively switching the flying capacitor f...	07/13/2006
20060133725	Compact and high performance opto-mechanical switch A system and method for a 1xN fiber optical switch is disclosed. The switch comprises (1) a pair of vertically oriented wedge prisms and (2) a collimator. The collimator comprises a four fiber ferrule and a lens. When no wedge prisms are inserted into the ...	06/22/2006
20060120662	Optical switching device and optical member unit The present invention relates to an optical switching device capable of reducing the number of members such as a movable mirror for reflecting light beams to a relatively small number and suppressing the deterioration of the yield. The optical switching device is config...	06/08/2006
20060083457	Polarization insensitive method and apparatus for switching and modulating an optical beam A polarization beam splitter and combiner and a polarization insensitive modulating and switching method and apparatus. In one aspect of the present invention, the disclosed apparatus a first optical waveguide disposed in a semiconductor material layer. A second optical...	04/20/2006
20060039648	Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer A tunable optical filter comprises an optical switch having a single first optical port and a plurality of second optical ports; a plurality of band pass filters, each one of the band pass filters optically coupled to a respective second optical port; and an optical mul...	02/23/2006
20060039646	Optical switch and matrix optical switch The invention provides an optical switch including a substrate which has conductivity or semiconductivity, an optical waveguide layer which is formed on the substrate, and a control electrode which is formed on the optical waveguide layer. The optical waveguide layer in...	02/23/2006
20060034564	Optical module and optical switch constituting the same An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare...	02/16/2006
20060034565	Optical module and optical switch constituting the same An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare...	02/16/2006
20060034563	Optical module and optical switch constituting the same An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare...	02/16/2006
20050185890	Y-branch-based thermo-optic digital optical switches and variable optical attenuators with non-uniform heating The present invention is concerned with 1×2 thermo-optic digital optical switches known in the art as “Y-branch digital optical switches” and variable optical attenuators. ...	08/25/2005
20050175275	Optical switch The present invention provides an optical switch that is provided with a plurality of output side optical transmission means 24; at least one input side optical transmission means 7; reflecting means 3 which moves to be positioned with respect to an...	08/11/2005
20050169573	One-by-N optical switch An all-optical one-by-N optical switch is provided that has fewer components, is easier to control and has fewer optical losses that prior art one-by-N optical switches. An optical switch of the present invention includes an active deflection element formed from an elec...	08/04/2005
20050157984	Asymmetric arrayed waveguide grating Disclosed is an asymmetric arrayed waveguide grating comprising at least one input waveguide, at least one output waveguide, a first slab waveguide connected to the input waveguide, a second slab waveguide connected to the output waveguide, and a plurality of channel wa...	07/21/2005
20050147344	Nano-electromechanical high-index contrast A nano-electromechanical optical switch includes an input optical waveguide that is provided with an optical signal. At least two output optical waveguides are coupled to the input optical waveguide. The deflection of the input optical waveguide aligns with one of eithe...	07/07/2005
20050111784	Variable optical attenuator systems Low loss, reliable variable optical attenuators and 1×2 switches and polarization insensitive low loss, reliable variable optical attenuators and 1×2 optical switches are described. In one embodiment, a system of the present invention includes a polarization separatin...	05/26/2005
20050084205	Wavelength division multiplexing system having built-in optical attenuator Disclosed is a WDM system for demultiplexing mixed optical signals transmitted through one channel from the outside to distribute specific wavelength optical signals into a plurality of channels. The WDM system has a receiving optical fiber for receiving the mixed optic...	04/21/2005
20050053322	Multi-mode interfrence optical waveguide device A multi-mode interference (MMI) device, comprising a hollow core multi-mode waveguide optically coupled to at least one hollow core input waveguide, is described in which the internal surfaces of the hollow core waveguides carry a reflective coating. The coating may be ...	03/10/2005

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Class 385/22 - Single pole multiple throw (relay switch)