Patent application number | Description | Published |
20110176815 | MULTI-CHANNEL OPTICAL TRANSCEIVER WITH OFFSET QUADRATURE AMPLITUDE MODULATION - The present disclosure provides a multi-carrier optical transmitter, receiver, transceiver, and associated methods utilizing offset quadrature amplitude modulation thereby achieving significant increases in spectral efficiency, with negligible sensitivity penalties. In an exemplary embodiment, an optical transmitter includes circuitry configured to generate a plurality of optical subcarriers, a plurality of data signals for each of the plurality of subcarriers, and a plurality of modulator circuits for each of the plurality of subcarriers, wherein each of the plurality of modulator circuits includes circuitry configured to offset an in-phase component from a quadrature component of one of the plurality data signals by one-half baud period. | 07-21-2011 |
20110249981 | COHERENT OPTICAL RECEIVER SYSTEMS AND METHODS - The present disclosure relates to coherent optical receiver systems and methods for determining and correcting for optical angle and magnitude imbalance and for delay imbalance between quadrature paths. The present invention iteratively determines and corrects imbalance error and differential delay entirely in the digital domain (after an analog to digital conversion) in the presence of all the other impairments (polarization mode dispersion, chromatic dispersion, polarization gain imbalance, and polarization delay imbalance) using only the corrupted received signal during normal operation, i.e. without the use of training data. The present invention provides an effective adaptive scheme to drive impairments to zero, without using of any calibration of training, and may be applied during normal operation of the receiver via electrical circuitry or the like. | 10-13-2011 |
20130236169 | COHERENT PROBE AND OPTICAL SERVICE CHANNEL SYSTEMS AND METHODS FOR OPTICAL NETWORKS - The present disclosure provides dynamic performance monitoring systems and methods for optical networks to ascertain optical network health in a flexible and accurate manner. The present invention introduces accurate estimations for optical channel performance characteristics based either on existing channels or with a dynamic optical probe configured to measure characteristics on unequipped wavelengths. Advantageously, the dynamic performance monitoring systems and methods introduce the ability to determine physical layer viability in addition to logical layer viability. | 09-12-2013 |
20130287398 | MULTI-CHANNEL OPTICAL TRANSCEIVER WITH OFFSET QUADRATURE AMPLITUDE MODULATION - The present disclosure provides a multi-carrier optical transmitter, receiver, transceiver, and associated methods utilizing offset quadrature amplitude modulation thereby achieving significant increases in spectral efficiency, with negligible sensitivity penalties. In an exemplary embodiment, an optical transmitter includes circuitry configured to generate a plurality of optical subcarriers, a plurality of data signals for each of the plurality of subcarriers, and a plurality of modulator circuits for each of the plurality of subcarriers, wherein each of the plurality of modulator circuits includes circuitry configured to offset an in-phase component from a quadrature component of one of the plurality data signals by one-half baud period. | 10-31-2013 |
Patent application number | Description | Published |
20100276410 | LED LIGHTING SYSTEM AND METHOD FOR ANIMAL HABITAT - The present disclosure relates to a lighting system for providing ultraviolet (UV) light for use in an animal habitat that includes a light fixture housing that includes a plurality of LEDs, wherein one or more of the LEDs emit UVB light and wherein one or more of the LEDs emit UVA light, and where the LEDs are clustered together. The light fixture housing also includes a controller for setting and changing an amount of light provided by the LEDs that emit UVA light and the amount of light provided by the LEDs that emit UVB light. | 11-04-2010 |
20100301990 | APPARTUS AND METHOD FOR AFFECTING CHANGE IN A TARGET USING AN INTEGRATED LIGHTING SYSTEM - Methods and systems for affecting change in a target using an integrated lighting system are provided. A light source having one or more parameters and being configured to provide lighting is operably connectable to a control system. A sensor configured to detect a lighting condition from a target and/or target environment is also operably connectable to the control system. The control system may adjust the one or more parameters of the light source assembly when the detected lighting condition from the target environment is different from a desired lighting condition. The light source, sensor, and control system may be provided in connection with an enclosed environment. | 12-02-2010 |
20120152177 | UPGRADEABLE CONTROL SYSTEM FOR AQUARIUM LIGHTING - An LED-based aquarium lighting system having upgradeable control system and a method thereof are provided. The system includes an LED source having a plurality of LED lights, a marine habitat for housing a marine habitat life, a control system which comprises a motherboard, a control panel, and a control module. The control module is replaceable with a new control module to provide upgrades of operational modes and features of the aquarium lighting system. Accordingly, to perform an upgrade of the control system, a user replaces the control module with a new control module by removing the control module from the motherboard and plugging the new control module in the motherboard, thereby readily making upgrades of operational modes and features of the aquarium lighting system without requiring the entire aquarium lighting system be replaced. | 06-21-2012 |
20150028747 | UPGRADEABLE CONTROL SYSTEM FOR LED LIGHTING - An LED-based lighting system having an upgradeable control system and a method thereof are provided. The system includes an LED source having a plurality of LED lights, a control system which comprises a motherboard, a control panel, and a control module. The control module is replaceable with a new control module to provide upgrades of operational modes and features of the lighting system without requiring the entire lighting system be replaced. | 01-29-2015 |
Patent application number | Description | Published |
20080302299 | Hybrid hot melt adhesive or other thermoplastic material dispensing system - A new and improved hybrid hot melt adhesive or other thermoplastic material dispensing system wherein two or more different hot melt adhesive or other thermoplastic material depositions, comprising, for example, two or more different types of patterns, two or more different types of application techniques or processes, or two or more different types of cyclical operations, can effectively be simultaneously achieved at substantially two or more different locations relative to an underlying substrate. The hybrid system comprises a metering station upon which is mounted a metering head comprising a plurality of metering head dispensing modules, and a pair or remote applicator heads comprising a pair of applicator head dispensing modules. | 12-11-2008 |
20090159617 | Hot Melt Adhesive Metering Pump Assembly with Integral Reservoir Tank - A hot melt adhesive metering pump assembly, and an integral reservoir tank fluidically connected thereto and the hot melt adhesive metering pump assembly comprises a plurality of rotary, gear-type metering pumps which are arranged in a compact, longitudinally spaced manner upon a drive gear manifold. All of the driven gears of pumps are respectively driven by manifold pump drive gears which are rotatably mounted upon a common motor-driven rotary drive shaft rotatably disposed within the drive gear manifold, and a first side wall member of a base portion of the reservoir tank is integrally connected to a side wall portion of the drive gear manifold, while a second side wall member of the base portion of the reservoir tank is provided with a plurality of hose connections to which hot melt adhesive delivery hoses are to be connected so as to respectively convey the precisely metered amounts of the hot melt adhesive material toward the applicator heads. | 06-25-2009 |
20090214372 | Remote Hot Melt Adhesive Metering Station - A new and improved remote, hot melt adhesive metering station ( | 08-27-2009 |
Patent application number | Description | Published |
20130185133 | RECOMMENDING VIRTUAL REWARD OFFERS AND AWARDING VIRTUAL REWARDS - In an embodiment, a method performed by one or more computing devices comprises storing, for one or more marketplace associated applications, interaction information that identifies, for each particular application of said one or more marketplace associated applications, a list of devices that interacted with an instance of the particular application; receiving, from a requesting device, a request for a list of offer eligible applications; determining, based on said interaction information, a set of applications associated with the requesting device; based on said determination of the set of applications associated with the requesting device, sending a list of one or more selected eligible applications to the requesting device. | 07-18-2013 |
20140324562 | RECOMMENDING VIRTUAL REWARD OFFERS AND AWARDING VIRTUAL REWARDS - In an embodiment, a method performed by one or more computing devices comprises storing, for one or more marketplace associated applications, interaction information that identifies, for each particular application of said one or more marketplace associated applications, a list of devices that interacted with an instance of the particular application; receiving, from a requesting device, a request for a list of offer eligible applications; determining, based on said interaction information, a set of applications associated with the requesting device; based on said determination of the set of applications associated with the requesting device, sending a list of one or more selected eligible applications to the requesting device. | 10-30-2014 |
Patent application number | Description | Published |
20090103109 | Optical modules and method of precisely assembling same - Optical modules and a method of precisely assembling the modules are provided. The method includes the step of providing a set of optical components including a plurality of beam shaping components for converting at least one initial shape in cross section of a laser beam to at least one desired shape in cross section and an optical mount for supporting the set of optical components. The method further includes holding and locating the optical mount relative to a reference axis. The method still further includes holding the optical components in position relative to the optical mount during the step of holding and locating wherein the positions of the beam shaping components are initial positions. The method includes directing a laser beam having the at least one initial shape at the set of optical components during the step of holding the optical components. The method further includes adjusting the initial positions of the beam shaping components to obtain final positions of the beam shaping components relative to the optical mount during the step of directing until the laser beam has the at least one desired shape. The method still further includes fixedly securing the optical components to the optical mount wherein the optical mount supports and is fixedly secured to the beam shaping components in their respective final positions after the step of adjusting when the laser beam has the at least one desired shape. | 04-23-2009 |
20100239207 | HIGH EFFICIENCY OPTICAL COUPLER - An optical coupling device enabling spherical or hemispherical light sources to be more fully utilized by gathering more of the emitted radiation and reducing the angle of emission. The optical coupling device includes a first conic reflector having an aperture at the first conic reflector vertex; a second conic reflector coaxial with the first conic reflector and opening toward the first conic reflector; a light source positioned at the second conic reflector vertex; and a negative element located at the aperture for reducing the numerical aperture of the light emitted from the optical coupling device. The optical coupling device may include a refractive medium between the first and second conic reflectors. The present invention provides for improved efficiencies when transferring or coupling optical energy into additional optical systems, and may be used with solid state light as well as conventional sources. | 09-23-2010 |
20110215707 | CONSTRAINED FOLDED PATH RESONANT WHITE LIGHT SCINTILLATOR - An optical emitter enabling conversion of light from a light source. The optical emitter includes a first conic reflector defining an aperture for receiving the light source, a second conic reflector opposite the first conic reflector for collimating light emitted by the light source, and a volumetric light conversion element between at least a portion of the first reflector and at least a portion of the second reflector. The optical emitter can also include a convex mirror adjacent the vertex of the second conic reflector, and an elliptical element adjacent the first conic reflector. The light conversion element can include phosphor dispersed in a resin to convert light from a first wavelength to light of a second, longer, wavelength, wherein converted light is emitted from the light conversion element. | 09-08-2011 |
20140126224 | CONSTRAINED FOLDED PATH RESONANT WHITE LIGHT SCINTILLATOR - An optical emitter enabling conversion of light from a light source. The optical emitter includes a first conic reflector defining an aperture for receiving the light source, a second conic reflector opposite the first conic reflector for collimating light emitted by the light source, and a volumetric light conversion element between at least a portion of the first reflector and at least a portion of the second reflector. The optical emitter can also include a convex mirror adjacent the vertex of the second conic reflector, and an elliptical element adjacent the first conic reflector. The light conversion element can include phosphor dispersed in a resin to convert light from a first wavelength to light of a second, longer, wavelength, wherein converted light is emitted from the light conversion element. | 05-08-2014 |