FreshPatents.com Logo
Enter keywords:  

Track companies' patents here: Public Companies RSS Feeds | RSS Feed Home Page
Popular terms

[SEARCH]

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Optic patents



      
           
This page is updated frequently with new Optic-related patent applications. Subscribe to the Optic RSS feed to automatically get the update: related Optic RSS feeds. RSS updates for this page: Optic RSS RSS


Flexible virtual optical network provisioning using distance-adaptive modulation

Fujitsu Limited

Flexible virtual optical network provisioning using distance-adaptive modulation

All-protein implantable, resorbable reflectors

Johns Hopkins University

Active beam shaping system and method using sequential deformable mirrors

Date/App# patent app List of recent Optic-related patents
04/16/15
20150106979
 Optical and atomic force microscopy integrated system for multi-probe spectroscopy measurements applied in a wide spatial region with an extended range of force sensitivity patent thumbnailnew patent Optical and atomic force microscopy integrated system for multi-probe spectroscopy measurements applied in a wide spatial region with an extended range of force sensitivity
An optical and atomic force microscopy measurement integrated system is described. The system has an atomic force microscope having a first probe configured to interact with a sample to be analysed, an optical tweezer, a second probe configured to be held in the focus of the optical tweezer, movement means for moving the two probes, measurement means for measuring the variations of position of the two probes and processing means configured to receive, as an input, the measurement signals of the two probes to generate an output signal representative of the sample..
Fondazione Istituto Italiano Di Tecnologia
04/16/15
20150106932
 Method and system for combining fiber optic link hierarchical stream metadata with internet protocol metadata patent thumbnailnew patent Method and system for combining fiber optic link hierarchical stream metadata with internet protocol metadata
Physical layer and data-link layer data are connected with networking through application layer data/information to enable searching, sorting, and identification of novel relationships between signal sources and their contents. Metadata can be used at the physical layer in an optical fiber network, connecting with metadata generated at the data link layer, connected to metadata generated at the network to application layer.
Glimmerglass Networks, Inc.
04/16/15
20150106864
 Software defined joint bandwidth provisioning and cache management for mbh video traffic optimization patent thumbnailnew patent Software defined joint bandwidth provisioning and cache management for mbh video traffic optimization
A method includes provisioning joint bandwidth in a software defined passive optical network pon based mobile backhaul mbh and cache management on base stations for video delivery across the network, the provisioning in each time unit includes grouping bandwidth utilization in the network into a first category used to support video requests which cannot directly be served by caches on base stations, the first category video requests being high priority, and if bandwidth remains after the high priority requests remaining bandwidth being used to deliver some videos that are low priority to caches.. .
Nec Laboratories America, Inc.
04/16/15
20150106779
 Methodology for pattern density optimization patent thumbnailnew patent Methodology for pattern density optimization
The present disclosure relates to a method of improving pattern density with a low opc (optical proximity correction) cycle time, and an associated apparatus. In some embodiments, the method is performed by forming an integrated chip (ic) design that is a graphical representation of an integrated chip.
Taiwan Semiconductor Manufacturing Co., Ltd.
04/16/15
20150106680
 Multiple component codes based generalized low-density parity-check codes for high-speed optical transport patent thumbnailnew patent Multiple component codes based generalized low-density parity-check codes for high-speed optical transport
Systems and methods for data transport, including encoding streams of input data using generalized low-density parity check (gldpc) encoders, the one or more gldpc encoders being configured to generate gldpc coded data streams using a plurality of component local codes to improve error correction strength, employ single-parity checks and two or more local block codes during generation of the gldpc codes, and enable continuous tuning of code rate using the generated gldpc codes. Signals may be generated using mappers, the mappers configured to assign bits of signals to signal constellations and to associate the bits of the signals with signal constellation points.
Nec Laboratories America, Inc.
04/16/15
20150106247
 System and  pursuing a value-added tax (vat) reclaim through a mobile technology platform patent thumbnailnew patent System and pursuing a value-added tax (vat) reclaim through a mobile technology platform
A method and systems for pursuing a potential value-added tax (vat) reclaim through a mobile device. The method comprises receiving at least one image of a vat receipt from the mobile device; identifying a geographic location of the mobile device; determining whether the mobile device is or was in a foreign country at the time the image was produced; analyzing, by an optical character recognition processor, the at least one image of the vat receipt; determining whether the vat receipt is eligible for a vat refund based on at least one vat reclaim rule, wherein the at least one vat reclaim rule determines eligibility based on at least a country of residence of a user of the mobile device, the geographic location of the mobile device, and the analysis of the at least one image; and upon determining that the vat receipt is eligible for the vat refund, generating a reclaim request..
04/16/15
20150106205
 Generating an offer sheet based on offline content patent thumbnailnew patent Generating an offer sheet based on offline content
Methods, systems, and apparatus include computer programs encoded on a computer-readable storage medium for providing an offer sheet to a user. A method includes: receiving an image from a user and additional information about the image; evaluating the image to identify content included in the image including using optical character recognition to identify text included in the image and object recognition techniques to identify objects included in the image; identifying location information including one or more of location of where the image was captured, location associated with the content included in the image or a current location of the user; identifying a plurality of eligible offers based on the identified content, the location information, the additional information, and a profile associated with the user; generating an offer sheet that includes the plurality of offers and a representation of the received image; and providing the offer sheet to the user..
Google Inc.
04/16/15
20150106057
 Profile measurement system and profile measurement method patent thumbnailnew patent Profile measurement system and profile measurement method
Provided are a profile measurement system and a profile measurement method capable of suppressing the influence of vibration with a simple configuration. The profile measurement system includes: a transmissive optical component having a reference plane opposed to a surface of a sample; a light source which irradiates the surface of the sample with light having a predetermined wavelength region through the transmissive optical component; an imaging spectrometer which measures a reflection spectrum for each position on a linear region defined on the surface of the sample; and a calculation unit which calculates a distance between each position on the linear region and the reference plane based on the measured reflection spectrum for each position on the linear region..
Otsuka Electronics Co., Ltd.
04/16/15
20150106056
 Surface shape measuring method and surface shape measuring device patent thumbnailnew patent Surface shape measuring method and surface shape measuring device
A surface shape measuring method includes: acquiring displacement data on an object surface facing an optical displacement meter by scanning the object surface with the optical displacement meter that applies a light beam on the object surface and performs measurement; detecting an approximate range on the object surface including a groove formed on the object surface by searching the displacement data; calculating a groove start point and a groove terminating point of the groove included in the approximate range; calculating a smallest value of the displacement data in a restricted range from a center position between the groove start point and the groove terminating point to a width defined at a predetermined ratio with respect to the groove width; and calculating a difference between the smallest value of the calculated displacement data and the height of the object surface as the depth of the groove formed on the object surface.. .
Jfe Steel Corporation
04/16/15
20150106047
 Method for ground-to-satellite laser calibration system patent thumbnailnew patent Method for ground-to-satellite laser calibration system
The present invention comprises an approach for calibrating the sensitivity to polarization, optics degradation, spectral and stray light response functions of instruments on orbit. The concept is based on using an accurate ground-based laser system, ground-to-space laser calibration (gslc), transmitting laser light to instrument on orbit during nighttime substantially clear-sky conditions.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
04/16/15
20150106030
new patent

Endotoxin detection systems and detection methods thereof


Endotoxin detection systems and corresponding detection methods integrate an optical path detection system based on a conventional laser particle size detector and detect the particle size distribution characteristics of the endotoxin colloidal particles in an aqueous solution by using laser light scattering. One system calculates the concentration of the endotoxin by fitting the correlation of the astigmatism with the concentration of the endotoxin based on scattering intensity of the endotoxin particles at more than three different angles via a quantitative operator.
Nanjing Tuozhu Pharmaceutical & Tech Co., Ltd
04/16/15
20150105728
new patent

Bladeless optical obturator


The invention is directed to a bladeless trocar obturator to separate or divaricate body tissue during insertion through a body wall. In one aspect, the obturator of the invention comprises a shaft extending along an axis between a proximal end and a distal end; and a bladeless tip disposed at the distal end of the shaft and having a generally tapered configuration with an outer surface, the outer surface extending distally to a blunt point with a pair of side sections having a common shape and being separated by at least one intermediate section, wherein each of the side sections extends from the blunt point radially outwardly with progressive positions proximally along the axis, and the shaft is sized and configured to receive an optical instrument having a distal end to receive an image of the body tissue.
Applied Medical Resources Corporation
04/16/15
20150105702
new patent

Apparatus and stimulation of biological tissue


An apparatus for generating focused currents in biological tissue is provided. The apparatus comprises an electric source capable of generating an electric field across a region of tissue and means for altering the permittivity of the tissue relative to the electric field, whereby a displacement current is generated.
Highland Instruments, Inc.
04/16/15
20150105669
new patent

Optoelectronic device for the detection of uterine cervical cancer, comprising a self-positioning attachment


The present invention relates to a portable device which analyses cervical tissue using two simultaneous measurements, namely an electrical measurement and an optical measurement. The aforementioned device examines different areas of cervical tissue, taking electrical measurements from same in different frequency ranges and optical measurements in three different wavelengths.
Instituto Tecnologico Y De Estudios Superiores De Monterrey
04/16/15
20150105656
new patent

Torsional support craniocaudal rotation of animals


A torsional support apparatus is disclosed for craniocaudal rotation of test animals to enable multiple-view imaging. The animal is supported in a u-shaped loop of optically transparent material and the loop is moved to apply torsion to the animal to rotate it about its craniocaudal axis.
Bruker Biospin Corporation
04/16/15
20150105635
new patent

Skin evaluation method and skin evaluation device


A profile of optical reflectance relative to a depth within a depth range from an epidermis to an upper layer of a dermis is created based on a coherence signal obtained by optical coherence tomography, an evaluation index is determined by calculating a difference between reflectance at a local minimum point and reflectance at a second local maximum point from the created profile, and skin conditions are evaluated based on the evaluation index.. .
Fujifilm Corporation
04/16/15
20150105622
new patent

Method and system of spectrally encoded imaging


A spectrally encoded imaging device having a light transmission path arrangement which propagates light to illuminate a target object, a light collection path arrangement having a light collection waveguide which propagates a spectrally encoded portion of the light from the target object to a detector which forms an image of the target object accordingly, and a diffractive element which spectrally disperses at least one of the light and the spectrally encoded portion. The light transmission path arrangement and the light collection path arrangement are optically isolated from one another..
Technion Research & Development Foundation Limited
04/16/15
20150105620
new patent

Rotational device and rotating an endoscope


A rotational device for rotating an endoscope having a stationary assembly, a rotatable assembly, which includes a distal coupling means for coupling to an endoscope, a drive means, which is embodied for putting the distal coupling means into rotational motion for rotating an endoscope connected to the distal coupling means, a proximal coupling means at the stationary assembly for coupling to a camera device, and an optical unit for transmitting light from the distal coupling means to the proximal coupling means.. .
Karl Storz Gmbh & Co. Kg
04/16/15
20150105617
new patent

In vivo camera with multiple sources to illuminate tissue at different distances


An in vivo endoscope illuminates tissue using multiple sources. Light from a short-range source exits a tubular wall of the endoscope through a first illumination region that overlaps an imaging region, and the light returns through the imaging region after reflection by tissue, to form an image in a camera.
Capso Vision, Inc.
04/16/15
20150105567
new patent

Optically active axially chiral alpha-allenic alcohol, synthesis method and use thereof


The present invention relates to an optically active axially chiral α-allenic alcohol, a synthetic method and use thereof. A method of preparing a high optically active chiral α-allenic alcohol by using propargyl alcohol, aldehyde and chiral α,α-diphenyl-l-prolinol under the protection of tert-butyldimethylsilyl with a mediator zinc bromide.
Shanghai Institute Of Organic Chemistry, Chinese Academy Of Sciences
04/16/15
20150105002
new patent

Tool for the polishing of optical surfaces


A tool for the polishing of an optical surface has a base which has an active surface facing the optical surface. An intermediate layer is arranged on the active surface of the base.
Carl Zeiss Vision International Gmbh
04/16/15
20150104991
new patent

Method for providing a light assembly emitting light with a desired color temperature and system for testing and correcting color temperatures of light assemblies


The present invention refers to a method for providing a light assembly emitting light with a desired color temperature comprising the steps of providing a light source in a first step measuring the color temperature of the light source in a second step, comparing the measured color temperature with the desired color temperature in a third step and printing an optical compensation means for compensating differences between the measured color temperature and the desired color temperature in a fourth step, if the measured color temperature deviates from the desired color temperature.. .
Luxexcel Holding B.v.
04/16/15
20150104860
new patent

Smartphone biosensor


A mobile computing device that includes an image sensor may be used to detect the result of a biomolecular assay. The biomolecular assay may be performed in an optical assay medium that provides an optical output in response to light from a light source, with the optical output indicating result.
The Board Of Trustees Of The University Of Illinois
04/16/15
20150104813
new patent

Materials and methods for evaluating and treating neuromyelitis optica (nmo)


The invention provides prognostic methods for evaluating the severity of nmo and nmo-associated diseases as well as methods of treating nmo and nmo-associated diseases.. .
Mayo Foundation For Medical Education And Research
04/16/15
20150104750
new patent

Couplings for flame observation devices


A window for viewing combustion includes a window body having an interior surface facing a combustion space, an opposed exterior surface facing an instrument space, and a seal surface between the interior and exterior surfaces. The seal surface tapers from the interior surface to the exterior surface and hermetically separating the instrument space from the combustion space.
Fireye, Inc.
04/16/15
20150104734
new patent

Extreme ultraviolet lithography process and mask


A system of an extreme ultraviolet lithography (euvl) is disclosed. The system includes a mask having first and second reflective regions.
Taiwan Semiconductor Manufacturing Company, Ltd.
04/16/15
20150104594
new patent

Textile reinforcement comprising continuous aramid yarn


Wherein r1 is branched or straight-chain c1-c15 alkyl, r2 is h, li, na, k or nh4, or branched or straight-chain c1-c15 alkyl, and m is li, na, k or nh4. The textile reinforcement may be used for making hoses, tubes, (flexible) pipes, optical fiber cables, power cables, fiber-reinforced composites and ballistic resistant articles..
04/16/15
20150104390
new patent

All-protein implantable, resorbable reflectors


The invention provides for compositions and process for fabricating an optical reflector constructed from biocompatible and bioresorbable silk fibroin proteins. For example, the silk retroreflectors may be built based on millimeter size microprism arrays to rotate the image plane of imaged cortical layers, thus enhancing the amount of photons that are detectable in the reflected direction when inserted in a sample to be analyzed, and ultimately increasing in contrast ratio in multiphoton microscopy.
Tufts University / Trustees Of Tufts College
04/16/15
20150104376
new patent

Method of annealing sapphire


A method of annealing at least one sapphire lamina is disclosed. The method comprises at least two different heating steps and produces an annealed sapphire lamina having improved optical properties that can be used for fabricating a cover plate of an electronic device.
Gt Crystal Systems, Llc
04/16/15
20150104344
new patent

Methods and systems for coherent imaging and feedback control for modification of materials


Methods and systems are provided for using optical interferometry in the context of material modification processes such as surgical laser or welding applications. An imaging optical source that produces imaging light.
Queen's University At Kingston
04/16/15
20150104199
new patent

Tunable optical filter, tunable optical component, and multi-wavelength passive optical network system


The present application provides a tunable optical filter, including: a substrate, a tunable filter unit, a temperature control unit, and an enclosure, where: the substrate, the tunable filter unit, and the temperature control unit are placed inside the enclosure, where the enclosure includes a light incidence window and a light emergence window; the substrate is disposed adjacent to the light incidence window or the light emergence window, and configured to support the tunable filter unit; the temperature control unit is disposed on a surface of the tunable filter unit, and configured to adjust a channel wavelength of the tunable filter unit by means of temperature control; and optical paths of the light incidence window, the tunable filter unit and the light emergence window are aligned. The present application further provides an optical receive component, an optical transceiver component, and a multi-wavelength passive optical network system..
Huawei Technologies Co., Ltd.
04/16/15
20150104198
new patent

Fully digital cmos based optical receiver


A completely digital optical receiver is provided. The optical receiver includes a photodiode configured to provide a photodiode output responsive to an on-off keyed (ook) optical input.
Technische Universiteit Eindhoven
04/16/15
20150104197
new patent

Optimal signal constellation design for ultra-high-speed optical transport in the presence of phase noise


A method to process applicable to coherent optical channels with either linear or nonlinear phase noise includes: splitting a received sequence of data into clusters of points according to a cumulative log-likelihood function from constellation obtained in a previous iteration; generating new constellation points by calculating a center of mass of the clusters of points; repeating until convergence or until a predetermined number of iterations has been reached to determine a signal constellation; and transmitting signals over the coherent optical channels with nonlinear phase noise using the disclosed signal constellation and ldpc-coded modulation concepts.. .
Nec Laboratories America, Inc.
04/16/15
20150104194
new patent

Phase shift keying optical modulation apparatus and encoding a symbol onto an optical carrier signal


Phase shift keying optical modulation apparatus comprising optical phase shifting apparatus and an optical modulator. The optical phase shifting apparatus is arranged to receive an optical carrier signal and is arranged to selectively apply a preselected optical phase shift to the optical carrier signal in dependence on a symbol of a 2n-level phase shift keying modulation format to be encoded onto the optical signal.
Telefonaktiebolaget L M Ericsson (publ)
04/16/15
20150104193
new patent

System and generating a frequency modulated linear laser waveform


A system for generating a frequency modulated linear laser waveform includes a single frequency laser generator to produce a laser output signal. An electro-optical modulator modulates the frequency of the laser output signal to define a linear triangular waveform.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
04/16/15
20150104192
new patent

Optical square qam signal emulation using all-optical pam to qam signal conversion


An optical communication method includes converting an optical pulse amplitude modulation (pam) signal to a square qam signal using an optical delay interferometer (di) to perform all-optical pam to qam conversion in the di; performing optical de-correlation of i and q tributaries of the qam signal to avoid frequency dependent attenuation in rf cabling which impacts signal quality; and finding optimal phase control mechanism of the di by monitoring and equalizing down-converted i and q electrical signal amplitudes, using coherent detection; and emulating a square quadrature amplitude modulation (qam) optical signal with duplicated data copies.. .
Nec Laboratories America, Inc.
04/16/15
20150104191
new patent

Amplification-free electro-optical oscillator


An electro-optical oscillator includes, in part, a modulator, a signal splitter, n photodiodes with n being an integer greater than one, a signal combiner, and a filter. The modulator modulates an optical signal in accordance with a feedback signal.
California Institute Of Technology
04/16/15
20150104190
new patent

Optical transmission circuit, optical transmission device, and optical transmission system


A driving element which performs driving according to a level of a voltage signal to be transmitted optically, a modulation current driving circuit configured to supply a modulation current modulated by the driving element to a light source for optical communication configured to convert a current signal into light and to output the light, and a constant current supply circuit configured to supply a constant current to the light source for optical communication are included. Then, when the voltage signal is at a first level, the driving element is turned on and the modulation current driving circuit supplies the modulation current to the light source for optical communication.
Sony Corporation
04/16/15
20150104189
new patent

Compensation inter-channel nonlinear damage


A compensation apparatus and method for inter-channel nonlinear damage are disclosed where the apparatus includes: an iteration parameter determining unit configured to determine an iteration step of cross-phase modulation damage compensation performed in each channel in a multichannel optical fiber transmission link; an estimating unit configured to divide an optical fiber transmission link in each iteration step of each channel into one or more optical fiber segments, and perform cross-phase modulation damage estimation at a position in each optical fiber segment where the nonlinear damage is maximal; and a first compensating unit configured to perform cross-phase modulation damage compensation according to the result of the cross-phase modulation damage estimation. By performing cross-phase modulation damage estimation at a position in each optical fiber segment where the nonlinear damage is maximal, cross-phase modulation damage compensation may be performed effectively, and performance of the communication system may be improved..
Fujitsu Limited
04/16/15
20150104188
new patent

Active beam shaping system and method using sequential deformable mirrors


An active optical beam shaping system includes a first deformable mirror arranged to at least partially intercept an entrance beam of light and to provide a first reflected beam of light, a second deformable mirror arranged to at least partially intercept the first reflected beam of light from the first deformable mirror and to provide a second reflected beam of light, and a signal processing and control system configured to communicate with the first and second deformable mirrors. The first deformable mirror, the second deformable mirror and the signal processing and control system together provide a large amplitude light modulation range to provide an actively shaped optical beam..
The Johns Hopkins University
04/16/15
20150104181
new patent

System and method using spectral shaping and expanded channel spacing


A system and method including a transmitter including digital signal processor for providing a shaped data output in response to an input data stream. The shaped data output is coupled to a modulator that modulates an optical signal in response to the shaped data output to provide a non-rectangular shaped output having channel spacing greater than nyquist channel spacing.
Tyco Electronics Subsea Communications Llc
04/16/15
20150104179
new patent

Wavelength stabilizer for twdm-pon burst mode dbr laser


An optical network unit (onu) comprising a media access controller (mac) configured to support biasing a laser transmitter to compensate for temperature related wavelength drift receiving a transmission timing instruction from an optical network control node, obtaining transmission power information for the laser transmitter, estimating a burst mode time period for the laser transmitter according to the transmission timing instruction, and calculating a laser phase fine tuning compensation value for the laser transmitter according to the burst mode time period and the transmission power information, and forwarding the laser phase fine tuning compensation value toward a bias controller to support biasing a phase of the laser transmitter.. .
Futurewei Technologies, Inc.
04/16/15
20150104178
new patent

Method and allocating optical spectrum bandwidth resources


Embodiments of the present invention provide a method and an apparatus for allocating optical spectrum bandwidth resources. The method includes: first determine bandwidth of an otubase according to optical-layer frequency grid bandwidth and carrier spectrum efficiency; then construct an ho otuflex according to bandwidth of customer service data and the bandwidth of the otubase, bandwidth of the ho otuflex is a first integer multiple of the bandwidth of the otubase; map the customer service data into a payload area of the ho otuflex and encapsulate overhead information; at last, modulate the ho otuflex that carries the customer service data to a second integer number of optical channel carriers.
Huawei Technologies Co., Ltd.
04/16/15
20150104177
new patent

Full-duplex optical transceiver applicable to digital coherent system


An optical transceiver applicable to the coherent communication is disclosed. The optical transceiver includes a laser module, a transmitter module to output a transmitting signal by modulating a phase of an laser beam output from the laser module, and a receiver module to receive a receiving signal modulated in the phase thereof and extract data by multiplying the receiving signal with an laser beam output from the laser module..
Sumitomo Electric Industries, Ltd.
04/16/15
20150104176
new patent

Operation and stabilization of mod-mux wdm transmitters based on silicon microrings


A transmitter comprising a plurality of modulator and multiplexer (mod-mux) units, each mod-mux unit operating at an optical wavelength different from the other mod-mux units. The transmitter can additional include in each mod-mux unit two optical taps and three photodetectors that are configured to allow the respective mod-mux unit to be tuned to achieve thermal stabilization and achieve effective modulation and wdm operation across a range of temperatures.
Coriant Advanced Technology, Llc
04/16/15
20150104175
new patent

Channel establishment


A channel establishment method and device are provided. The method includes: establishing a media channel between a first node and a second node, wherein the first node is the source node of the media channel, the second node is the destination node of the media channel, and the media channel passes the frequency slot matrix of the one or more intermediate nodes between the first node and the second node and the optical fiber between any two nodes; and allocating frequency spectrum to the media channel from the available frequency spectrum of the optical fiber, wherein the media channel supports at least one single signal frequency slot.
Zte Corporation
04/16/15
20150104174
new patent

Method of controlling optical network unit (onu) in sleep mode


Provided is a method of saving power in a passive optical network (pon) system including an optical line terminal (olt) and a plurality of optical network units (onus), the olt including an optical transceiver to communicate with at least one onu through an optical line, and a controller to control the optical transceiver to transmit an upstream bandwidth map to the onu at a predetermined transmission interval, wherein the transmission interval is determined based on a desired upstream data service delay time.. .
Electronics And Telecommunications Research Institute
04/16/15
20150104173
new patent

Timestamp adjustment in multi-point control protocol (mpcp) messages for ethernet passive optical network (pon) protocol over coaxial network


A method performed by a fcu comprising receiving a mpcp request message from a cnu via an electrical network, wherein the mpcp request message comprises a first timestamp, adjusting the first timestamp in the mpcp request message by an electrical network delay, and forwarding the mpcp request message with the adjusted timestamp to an olt via an optical network. Also disclosed is a method performed by an olt comprising receiving a mpcp message from a cnu via a fcu and an optical network, obtaining an arrival time of the mpcp message, adjusting a timestamp in the mpcp message by subtracting an electrical network delay from the timestamp, and computing a rtt delay based on the timestamp and the arrival time..
Futurewel Technologies, Inc.
04/16/15
20150104172
new patent

Flexible virtual optical network provisioning using distance-adaptive modulation


Flexible von provisioning may include calculating a candidate mapping pattern to satisfy a virtual optical network (von) demand based on virtual-to-physical node mapping choices. A distance-adaptive routing and spectral slot assignment evaluation of the candidate mapping pattern may be performed.
Fujitsu Limited
04/16/15
20150104171
new patent

Burst switching system using optical cross-connect as switch fabric


A switching system includes one or more line card for input processing, forwarding, queuing, and scheduling data, the line card having a tunable laser to select a wavelength according to the packets' destination for a given burst of packets, so that the burst is switched to a desired destination and sent all-optically to a connected interface; an all-optical switch fabric coupled to the line card to perform wavelength switching; and a centralized arbitrator that resolves the contention from different input ports.. .
Nec Laboratories America, Inc.
04/16/15
20150104167
new patent

Determining properties of an optical communications path in an optical communications network


A method of determining properties of an optical communications path between a first optical network node (a) and a second optical network node (b) determines, at the second optical network node (b), a time difference between respective first and second optical test signals received on different wavelengths (λ1, λ2) from the first optical network node. The method also determines, at the second optical network node (b), a real-time chromatic dispersion parameter for each of the wavelengths using a respective coherent receiver at the second optical network node.
Telefonaktiebolaget L M Ericsson (publ)
04/16/15
20150104166
new patent

Suurballe-based cloud service embedding procedure in software-defined flexible-grid optical transport networks


We propose an efficient procedure, namely disjoint pair procedure based cloud service embedding procedure that first maps working and backup virtual nodes over physical nodes while balancing computational resources of different types, and finally, maps working and backup virtual links over physical routes while balancing network spectral resources using the disjoint pair procedure.. .
Nec Laboratories America, Inc.
04/16/15
20150104165
new patent

Polymer composition for use in a compact camera module


A polymer composition for use in a compact camera module (“ccm”) is provided that contains a blend of a liquid crystalline polymer and polyarylene sulfide. Through selective control over the particular type and relative concentration of such polymers, the present inventor has discovered that the resulting composition can exhibit good adhesion to dissimilar components of a camera module, such as to an optical filter..
Ticona Llc
04/16/15
20150104141
new patent

Uniform uv efficient light diffusing fiber


Light diffusing optical fibers for use in ultraviolet illumination applications and which have a uniform color gradient that is angularly independent are disclosed herein along with methods for making such fibers. The light diffusing fibers are composed of a silica-based glass core that is coated with a number of layers including a scattering layer..
Corning Incorporated
04/16/15
20150104140
new patent

Graded refractive index bending-resistant multimode optical fiber


A graded refractive index bending-resistant multimode optical fiber includes a core layer and claddings. The core layer has a radius in a range of 20-50 μm; refractive indexes being a gradient-graded refractive index distribution with a distribution exponent a in a range of 1.89-1.97; and a maximum relative refractive index difference (rrid) Δ1% max in a range of 0.9%-2.72%.
Everpro Technologies Company Ltd.
04/16/15
20150104139
new patent

System and optical fiber


In one embodiment, an optical fiber includes a first layer having a first refractive index and a second layer surrounding the first layer, where the second layer has a second refractive index, an inner radius, and an outer radius. The optical fiber also includes a third layer surrounding the second layer, where the third layer has a third refractive index, where the first refractive index is less than the second refractive index, where the third refractive index is less than the second refractive index, and where a ratio of the outer radius to the inner radius is less than 1.5..
Futurewei Technologies, Inc.
04/16/15
20150104138
new patent

Method and processing optical fiber under microgravity conditions


An apparatus used for the fabrication of fiberoptic waveguides utilizing a novel melting and resolidifying apparatus and method while under microgravity conditions is disclosed. In one embodiment, the optical fiber core has a lower melting point than the cladding and the core is melted and resolidified under microgravity conditions.
04/16/15
20150104137
new patent

Durable optical fiber ribbons and methods of making optical fiber ribbons


Durable optical fiber ribbons are formed by promoting a strong bond between fiber ink layers and ribbon matrix material. During curing of the ink layer desired oxygen levels are maintained in the curing environment of the manufacturing process..
Corning Optical Communications Llc
04/16/15
20150104136
new patent

Armored flexible fiber optic assembly


The specification relates to a fiber optic cable assembly. The fiber optic cable assembly includes a non-interlocking armor, the non-interlocking armor is a spiral tube having an outside diameter of approximately 1.5 mm-5.5 mm, an inner diameter of approximately 0.75 mm-5.25 mm and a minimum bend radius of approximately 5 mm, the non-interlocking armor being formed from stainless steel; an inner jacket, the inner jacket having an outside diameter slightly less than the inner diameter of the non-interlocking armor; at least one fiber optic fiber; and a strengthening material, the strengthening material being made from aramid fibers and surrounding the at least one fiber optic fiber underneath the inner jacket..
Certicable, Inc.
04/16/15
20150104135
new patent

Expanded beam array for fiber optics


An expanded beam fiber optic array connector includes a ferrule holding ends of optical fibers in a first ordered array. A plurality of lenses packaged into a unitary structure, formed of an optical grade material, different than a material used to form the ferrule, is attached to the ferrule.
Commscope, Inc. Of North Carolina
04/16/15
20150104134
new patent

Fiber optic connector and cable assembly having a fiber locking mechanism


The present disclosure relates to a fiber optic connector and cable assembly. The fiber optic connector and cable assembly includes a fiber optic connector, a fiber optic cable, and an anchoring mechanism.
Adc Telecommunications, Inc.
04/16/15
20150104133
new patent

Fiber optic cable sub-assemblies and methods of assembling


A fiber optic cable sub-assembly comprises a fiber optic cable including at least one optical fiber, a cable jacket that houses the optical fiber and at least one metal strength member. A collar is attached to an end portion of the metal strength member, wherein the optical fiber extends beyond an outer axial end of the collar.
Corning Optical Communications Llc
04/16/15
20150104132
new patent

Optical fiber with optical connectors


Disclosed is an optical fiber that has optical connectors on opposing ends of the optical fiber and is used for optical wiring in an apparatus. The two optical connectors are connected in parallel directions and disposed in parallel with each other.
Japan Aviation Electronics Industry, Limited
04/16/15
20150104130
new patent

Optical power splitter


Embodiments of the present disclosure include devices that split a light beam into two separate paths, with reduced sensitivity to fabrication variation. The devices can operate as 3-db splitters that divide the input optical energy equally between two output waveguides.
Cisco Technology, Inc.
04/16/15
20150104129
new patent

Optical module and manufacturing optical module


An optical module includes: at least one optical waveguide provided on a surface of a substrate; a plurality of grooves provided in the optical waveguide on the surface of the substrate and having both a surface orthogonal to the surface of the substrate and an inclined surface; multiple pairs of light-emitting and light-receiving elements aligned with the plurality of grooves in the optical waveguide and provided so as to correspond to light of different wavelengths on the optical waveguide; and a plurality of light-selecting filters each provided on an inclined surface of the plurality of grooves in the optical waveguide and reflecting light of the wavelength corresponding to the light-emitting element in the respective pair of light-emitting and light-receiving elements towards the optical waveguide, and selectively reflecting light of the corresponding wavelength from the light propagating through the optical waveguide towards the corresponding pair of light-emitting and light-receiving elements.. .
International Business Machines Corporation
04/16/15
20150104128
new patent

Planar optical waveguide device and dp-qpsk modulator


A planar optical waveguide device, includes: two input portions that are waveguides that have the same width, are parallel to each other, and have rectangular cross-sections; a wide portion that is a linear waveguide and is connected after the two input portions; a tapered portion that is connected after the wide portion and that is a multi-mode waveguide which has a tapered shape having a width decreasing gradually and through which at least te1 propagates; and an output portion that is connected after the tapered portion and that is a multi-mode waveguide which has a rectangular cross-section and through which at least te1 propagates. The planar optical waveguide device forms a high-order mode conversion combining element that outputs the te0, which is input to the two input portions, as the te1 from the output portion..
Fujikura Ltd.
04/16/15
20150104083
new patent

Thin biometric detection module


There is provided a thin biometric detection module, which is advantageous in being able to detect scattered light from body tissue after the light transmitting in the body tissue without additional optical mechanism placed on the semiconductor optical detection pixel of the detection module for biometric detection.. .
Pixart Imaging Inc.


Popular terms: [SEARCH]



Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Optic for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Optic with additional patents listed. Browse our RSS directory or Search for other possible listings.
     SHARE
  
         















0.6028

7294

0 - 1 - 165