Class / Patent application number | Description | Number of patent applications / Date published |
385020000 | Multiple pole multiple throw | 11 |
20080273834 | PACKAGED OPTICAL DEVICE STACK - A packaged stack of optical devices includes two or more WDM optical devices, the stack having a reduced per-channel manufacturing cost and an improved mean time between failure relative to individual optical devices. WDM optical devices, which may be contained in a packaged stack, include wavelength selective switches, optical add-drop multiplexers, and dynamic gain equalizers. The optical switching devices in the stack may be configured so that one or more optical elements are shared by multiple switching devices. Optical components that may be shared between the switching devices contained in the stack include cylindrical lenses, diffraction gratings, mirrors, and beam steering units. | 11-06-2008 |
20090257709 | OPTICAL SWITCH - An optical switch comprises a plurality of input ports and a plurality of out port ports; a plurality of displaceable optical elements for directing beams from a selected input to a selected output; wherein the number of displaceable elements substantially corresponds to either the number of input ports or the number of output ports. | 10-15-2009 |
20120087622 | Mechanical Optical Switch - A mechanical fiber optic switch including a plurality of first optical fibers, having optical interface ends distributed along a longitudinal axis in a plurality of longitudinal levels, two or more of the longitudinal levels including a plurality of optical interface ends in different radial angles. In addition, the switch includes a plurality of second fibers movable relative to the longitudinal axis, such that each of the second fibers can be optically coupled with the optical interface ends of first fibers in a specific respective radial angle. A fiber gripper is adapted to move the second fibers and a movement mechanism is adapted to move the fiber gripper along the longitudinal axis and to achieve relative rotation of the fiber gripper around the longitudinal axis. | 04-12-2012 |
20120328239 | METHOD FOR AUTOMATIC CONFIGURATION OF AN OPTICAL NETWORK ELEMENT - A method for automatic confirmation of an optical network element optical modules each having multiple fibres; a fibre shuffle interconnector having ports to which said optical modules are connected; and a configuration unit which performs an automatic configuration of said optical network element by controlling all optical modules connected to said fibre shuffle interconnector to transmit a fibre identifier associated with a fibre of the respective optical module to the respective port of said fibre shuffle interconnector to which said optical module is connected, wherein said fibre shuffle interconnector forwards the received fibre identifier via another port of said fibre shuffle interconnector to another optical module of said optical network element which detects said forwarded fibre identifier being monitored by said configuration unit to generate a connectivity matrix indicating the connection of said optical modules to said fibre shuffle interconnector on the basis of the detected fibre identifiers. | 12-27-2012 |
20130077916 | METHOD AND MODULE FOR SWITCHING OPTICAL SIGNALS HAVING DIFFERENT MODES OF PROPAGATION - A method and module for affecting controlled switching of optical signals having different modes of propagation, wherein the module being provided with at least two multi-mode ports MMPs and a plurality of single-mode ports SMPs, the method comprises: inputting at least one multimode optical signal to an MMP of said MMPs; inputting the single mode optical signals to the SMPs; performing mode processing of one or more of the single mode and multi mode optical signals within the switching module, controllably and selectively switching different optical signals inputted to different ports of the module, preferably based on received feedback related to quality information, thereby allowing switching between single mode ports, between multi-mode ports, and between single mode and multi mode ports. | 03-28-2013 |
20130094805 | LINE SWITCHING DEVICE - A line switching device includes multiple input ports to which signals are input and that include first input ports and second input ports different from the first input ports; multiple output ports that include given output ports; a branch unit that branches first signals input from the first input ports; and a switch that selectively outputs, among second signals input from the second input ports and branched signals branched from the first signals by the branch unit, signals that are to be switched to an output port among the given ports. | 04-18-2013 |
20130243373 | OPTICAL CROSS-CONNECT APPARATUS - An optical cross-connect apparatus includes: a plurality of switch units connected to each other via input ports and output ports; a storage unit to store a setting table in which output port information and corresponding input port information are associated together and registered for each optical signal such that the output port information identifies a specific output port, in the output ports, that outputs the optical signal and the input port information identifies a specific input port, in the input ports, that inputs the optical signal; a setting processor to set each switch unit in the plurality of switch units according to the setting table so as to set a wavelength for each optical signal that is input via the input ports or output via the output ports; and an update processor to update the content of the setting table in response to external input. | 09-19-2013 |
20130259422 | OPTICAL SWITCH - An N×N switching apparatus for optical components is provided. A switching apparatus includes a first element that provides for a supply of a length of optical fiber in tension and has an interface component for maintaining an end of the optical fiber in tension at a first position. The switching apparatus further includes a second element that has a coupling component for detachably maintaining the end of the optical fiber at a second position. The first and second elements are arranged such that the end of the optical fiber is movable between the first and second elements. | 10-03-2013 |
20150323744 | ACTUATOR SYSTEMS FOR DEFLECTING OPTICAL WAVEGUIDES, AND DEVICES FOR PROCESSING OPTICAL SIGNALS COMPRISING SAME - Actuator systems ( | 11-12-2015 |
385021000 | Double pole multiple throw | 2 |
20110008000 | OPTICAL SWITCH AND MANUFACTURING METHOD THEREOF - The object is to provide an optical switch capable of efficient operation and a manufacturing method thereof. The optical switch according to the present invention is a Mach-Zehnder interferometer type optical switch composed of a line defect waveguide of a photonic crystal. Further, the optical switch according to the present invention includes two directional couplers | 01-13-2011 |
20150362677 | Digital dispersion compensation module - Embodiments of present invention provide a digital dispersion compensation module. The digital dispersion compensation module includes a multi-port optical circulator; and a plurality of dispersion compensation units connected to the multi-port optical circulator, wherein at least one of the plurality of dispersion compensation units includes a fiber-bragg grating (FBG) having a first port and a second port; and an optical switch being capable of selectively connecting to one of the first port and the second port of the FBG, wherein the at least one of the plurality of dispersion compensation units is adapted to provide a positive dispersion to an optical signal, from the multi-port optical circulator, when the optical switch connects to the first port of the FBG and is adapted to provide a negative dispersion to the optical signal when the optical switch connects to the second port of the FBG. | 12-17-2015 |