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Graph patents



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


Image capturing system

Pfu Limited

Image capturing system

Method and system for establishing secure communications using composite key cryptography

Grey Heron Technologies

Method and system for establishing secure communications using composite key cryptography

Method and system for establishing secure communications using composite key cryptography

Shenzhen Mercury Optoelectronics Research Institute

Binocular camera resetting method and binocular camera resetting apparatus

Date/App# patent app List of recent Graph-related patents
06/25/15
20150181729
 Mounting fixture for a digital menu board patent thumbnailnew patent Mounting fixture for a digital menu board
A mounting fixture comprising a support post configured to support the mounting fixture, a beam coupled to the support post, and at least one cabinet assembly coupled to and supported by the beam. Each audio/visual device is detachably coupled to a cabinet assembly.
Peerless Industries, Inc.
06/25/15
20150181650
 Graphene microheater and  manufacturing the same patent thumbnailnew patent Graphene microheater and manufacturing the same
A microheater and a method of manufacturing the same are disclosed. The microheater includes a substrate, graphene disposed on the substrate and formed in a pattern; and a passivation layer disposed on the graphene.
Research & Business Foundation Sungkyunkwan University
06/25/15
20150181551
 Location estimation method and system patent thumbnailnew patent Location estimation method and system
A method of estimating the geographical location of an object from location information reported by one or more mobile devices having location determining means comprises collecting location data from the one or more mobile devices, preparing the data by selecting features of the data, training an estimator by inputting selected features of the data, and applying the estimator to a map grid to estimate the location of the object. During training of the estimator a kernel machine operates on histograms of distances that are computed with respect to a considered location and the user reports nearby.
Tomtom Development Germany Gmbh
06/25/15
20150181543
 Method and terminal for synchronizing downlink patent thumbnailnew patent Method and terminal for synchronizing downlink
One disclosure of the present invention suggests a method for synchronizing a downlink. The method for synchronizing downlinks comprises the steps of: receiving from at least one cell, which belongs to a random group, a synchronization signal; synchronizing the downlink in accordance with the synchronization signal; and using the downlink synchronization, which is performed on the at least one cell, to synchronize the downlink with a target cell, when the target cell that belongs to the random group is converted from an off state to an on state, wherein the random group comprises geographically adjacent cells, and wherein the cells that are comprised in the random group can have mutually different cell ids, but a portion of the synchronization signals can be identical..
Lg Electronics In.
06/25/15
20150181405
 Identifying an entity associated with wireless network access point patent thumbnailnew patent Identifying an entity associated with wireless network access point
Systems and methods for identifying an entity associated with a wireless network access point are provided. An estimated location of a wireless network access point and a network name associated with a wireless network access point can be accessed.
Google Inc.
06/25/15
20150181399
 Intuitive computing methods and systems patent thumbnailnew patent Intuitive computing methods and systems
The present disclosure relates generally to mobile devices and content recognition. One claim recites a mobile device comprising: a sensor; a display screen; memory storing instructions for execution by a processor; and one or more processors programmed with said instructions for: obtaining information from the sensor; selecting a user profile from among a plurality of different user profiles based on the information; and selecting—based on a selected user profile—an image or graphic for display on the display screen, the image or graphic being associated with the selected user profile.
Digimarc Corporation
06/25/15
20150181385
 Method and system for synchronizing base station and establishing location patent thumbnailnew patent Method and system for synchronizing base station and establishing location
With the increasing usage of mobile devices for communication, the need for wireless base-stations deployed in strategic locations is becoming increasingly important. The increased bandwidths being transmitted between the base-station and the mobile device has mandated that enhanced transmission formats and techniques be deployed, and, in order to operate correctly, these techniques require a tight synchronization in both time/phase, and in frequency, between the various base-stations serving a general area.
Microsemi Corporation
06/25/15
20150181380
 Secure and private location sharing for location-aware mobile communication devices patent thumbnailnew patent Secure and private location sharing for location-aware mobile communication devices
Embodiments of a location sharing network manager process are described. The process is executed on a server computer coupled to a plurality of mobile communication devices over a wireless network.
Green Dot Corporation
06/25/15
20150181379
 Identifying and locating users on a mobile network patent thumbnailnew patent Identifying and locating users on a mobile network
A system and method of locating “friends” having mobile devices connected to a network and associated with a user account is disclosed. The method includes sending a request to a mobile device, the mobile device determining its present geographic location and responding to the requestor with this information.
Apple Inc.
06/25/15
20150181378
 Determining a designated wireless device lacks a fixed geographic location and using the determination to improve location estimates patent thumbnailnew patent Determining a designated wireless device lacks a fixed geographic location and using the determination to improve location estimates
In one embodiment, a system determines a designated wireless device lacks a fixed geographic location, and uses the determination that the designated wireless device lacks a fixed geographic location to improve location estimates. The system determines one or more neighboring wireless devices have relationships with the designated wireless device, wherein a relationship is established when wireless signals from a neighboring wireless device and the designated wireless device are detected by a same receiver.
Skyhook Wireless, Inc.
06/25/15
20150181371
new patent

Apparatus, system and estimating a location of a mobile device


Some demonstrative embodiments include apparatuses, systems and/or methods of estimating allocation of a mobile device. For example, an apparatus may include a location estimator to receive at a mobile device location assistance information from a server and to estimate a location of the mobile device using the location assistance information, the location estimator is to send to the server a request for mapping assistance information, the request including one or more parameters defining a geographical region, the location estimator is to receive from the server a response including the mapping assistance information according to the parameters, wherein the location estimator is to map the estimated location of the mobile device to the geographical region based on the mapping assistance information..
06/25/15
20150181312
new patent

Capacity allocation of call-handling devices across call destinations


A system and method that allocate call capacity based on the need to divide the call capacities of at least some call-termination devices across geographic regions. Accordingly, the allocation system uses various input parameters as constraints in a linear programming optimization, which has the objective of maximizing the capacity allocation of a device to fulfill the traffic demands of each region being processed.
Tata Communications (america) Inc.
06/25/15
20150181290
new patent

Methods and apparatus to measure an audience of an online media service


Methods, apparatus, systems and articles of manufacture are disclosed to measure an audience of an online media service. An example method includes requesting an access history associated with a subscriber of an online media service using a programming interface for the online media service; and determining ratings information using the access history and demographic information corresponding to the subscriber..
06/25/15
20150181282
new patent

Multiple location channel database for digital television system and method


A digital television is presented that stores multiple channel maps in its channel memory. Each map is associated with a particular geographic location.
Bby Solutions, Inc.
06/25/15
20150181271
new patent

Method and device for providing targeted content


It is provided a method for providing content for a video. The method includes steps of receiving, from a client device, a message comprising a first content identifier uniquely identifying a first piece of content for the video and a first relevancy score associated with the first piece of content, wherein the first piece of content and the first relevancy score are determined based on a user identifier that identifies a user and a video identifier that identifies the video; determining a second piece of content and a second relevancy score associated with the second piece of content based on the user identifier, the video identifier and playback context parameter including at least one of geographical location, device type and time; and if it is determined that the second relevancy score divided by computation cost for inlaying the second piece of content into the video is larger than the first relevancy score divided by computation cost for inlaying the first piece of content into the video, using the second piece of content for the video..
Thomson Licensing
06/25/15
20150181267
new patent

Systems and methods for inferring and forecasting viewership and demographic data for unmonitored media networks


Currency data regarding the monitored media network including a first viewership count indicating a first number of viewers viewing the monitored media network during a first series of time intervals and demographic information regarding the first number of viewers may be received. Set-top-box viewership data regarding the monitored media network may also be received from a set top box.
Simulmedia, Inc.
06/25/15
20150181236
new patent

Transform space difference compression


An invention is disclosed for performing differencing of graphical data in post-transform space for a remote presentation session. Graphical data is transformed from a first representation to a second representation (e.g.
Microsoft Technology Licensing, Llc
06/25/15
20150181199
new patent

Binocular camera resetting method and binocular camera resetting apparatus


The present invention provides a binocular camera resetting method and a binocular camera resetting apparatus, wherein the binocular camera resetting method comprises: obtaining a first image and a second image photographed by two cameras at the same time respectively after completing a rough adjustment of the two cameras; calculating a relative rotation angle between optical axes of the two cameras using a plurality of feature points of the first image acquired by one of the two cameras and the feature points of the second image acquired by the other one of the two cameras; controlling one of the two cameras to rotate the relative rotation angle to parallelize the optical axes of the rotated camera and the other camera; and adjusting a spaced distance between the two cameras to a preset distance.. .
Shenzhen Mercury Optoelectronics Research Institute
06/25/15
20150181130
new patent

Image processing apparatus, image processing method, program, and imaging apparatus


An image processing apparatus includes an image data obtaining unit configured to obtain first image data which is generated by imaging an object using an imaging unit, an information obtaining unit configured to obtain photographing information of the first image data, and a file generating unit configured to generate a first image file based on the obtained first image data and the obtained photographing information. The file generating unit changes a size of an area of the first image data to be stored in the first image file according to the photographing information..
Canon Kabushiki Kaisha
06/25/15
20150181121
new patent

Image pickup apparatus having gps function and interval photographing function, and controlling the same


An image pickup apparatus reduced in wasteful electric power consumption due to execution of a gps function and capable of adding the newest position information measured by the gps function to an image photographed by interval photographing. An image pickup section has a plurality of image pickup modes including an interval mode for performing image pickup at photographing intervals of interval photographing.
Canon Kabushiki Kaisha
06/25/15
20150181120
new patent

Imaging device


An imaging device according to the present disclosure includes: an axially rotatable imaging unit; a detector that detects a photographing direction of the imaging unit; a processor that performs image processing on image data generated by the imaging unit; and a controller that changes a setting method of an image processing parameter depending on the photographing direction detected by the detector, the image processing parameter being given to the image data by the processor.. .
Panasonic Intellectual Property Management Co., Ltd.
06/25/15
20150181107
new patent

Autofocus adjusting method and apparatus


Provided are an autofocus (af) adjusting method and apparatus. The af adjusting method for an af adjusting apparatus includes: generating a first image signal by photographing an area (or object) during a first exposure time; generating a second image signal by photographing the area during a second exposure time shorter than the first exposure time; generating a composite image signal by combining the first and second image signals; and calculating a focus detection evaluation value from the composite image signal..
Samsung Techwin Co., Ltd.
06/25/15
20150181106
new patent

Imaging apparatus and focus control method


There is provided an imaging apparatus including a first focus detection unit that has a plurality of first focus detection areas in a photographed screen, and detects a first defocusing amount in the first focus detection areas, a second focus detection unit that has a plurality of second focus detection areas in a photographed screen, and detects a second defocusing amount in the second focus detection areas, a defocusing amount selection unit that selects which of the first defocusing amount detected by the first focus detection unit and the second defocusing amount detected by the second focus detection unit is used, and a focus control unit that performs focus control by moving a focus lens on the basis of the defocusing amount selected by the defocusing amount selection unit.. .
Sony Corporation
06/25/15
20150181097
new patent

Flash photography


Embodiments of the invention relates to cameras and flash photography, and to modulating intensity of light over time and space to subjects in an associated composition. As the composition of a photograph is created, subjects in the composition are metered and flash illumination is determined.
International Business Machines Corporation
06/25/15
20150181089
new patent

Variable 3-dimensional adaptor assembly for camera


An adaptor assembly for a 2-dimensional (2-d) digital camera provided with a variable 3-dimensional (3-d) photography assist arrangement, having a peripheral neck portion connected a rotatable and a movable neck portion having image capturing and transferring arms, to render an enhanced depth perception of a spatial image of a target-object and with zero eccentricity between left and right images.. .
06/25/15
20150181072
new patent

Image capturing system


An image capturing system includes an image capturing unit to photograph a medium placed on a medium installation face, a lighting unit disposed in a top unit to irradiate the medium installation face, a lighting control unit to perform driving control of the lighting unit, a scan instruction unit to issue an instruction to perform scanning to photograph the medium and to generate image data of the medium, and a non-readable area determining unit to determine whether or not there is a non-readable area based on an image of the medium obtained by photographing the medium with in a turned-on state of the lighting unit. When there is the non-readable area, the scanning is performed by turning off the lighting unit when the lighting unit was in a turned-on state, and when there is not the non-readable area, the scanning is performed in the turned-on state of the lighting unit..
Pfu Limited
06/25/15
20150181048
new patent

Method and system for location-dependent billing for services


A method for location-dependent billing for a services that are available to a mobile terminal, a local communication connection is set up to a fixably installed external location tag with a corresponding wireless interface between the fixably installed tag and the mobile terminal, the method including the steps of accessing the external location tag and transmitting a billing rate code from the external location tag to the mobile terminal, forwarding the billing rate code from the mobile terminal to a central unit of a mobile communication network, in which the mobile terminal is logged, determining a geographic location identification of the external location tag by evaluation of the billing rate code at the central unit, and selecting a billing rate for billing for the service available to the user based on the billing rate code at the central unit.. .
Swisscom Ag
06/25/15
20150181016
new patent

System and method to utilize geo-fences to limit calls to a server system from a user's mobile device


A system to utilize geo-fences to limit calls to a server system from a user's mobile device may be provided in the form of a geo-fencing application executing on a mobile device. A geo-fencing application may be configured to detect, based on the monitored location information, that the associated mobile device has entered an area represented by a passive geo-fence and stop reporting location information to the server until the mobile device is outside the area represented by the passive geo-fence.
Ebay Inc.
06/25/15
20150181007
new patent

Photographic assist apparatus of mobile communications unit


A photographic assist apparatus of a mobile communications unit includes a tank, a shaft and a rod. A groove is formed at the bottom of the inner side of the tank.
Bitplay Inc.
06/25/15
20150180977
new patent

Merging human machine interfaces of segregated domains


A data processing device comprises a graphics processing component configured to obtain first graphic data being related to a first graphical human machine interface for control of a first network domain; one or more second graphic data, the one or more second graphic data being related to one or more second graphical human machine interfaces for control of one or more second network domains; and a display unit configured to display a human machine interface, wherein the main human machine interface comprises the first graphical human machine interface and at least one of the one or more second graphical human machine interfaces.. .
Airbus Operations Gmbh
06/25/15
20150180943
new patent

Displaying an application in a window in a graphical user interface environment on a computer system


Focus requests to display applications are received, each focus request associated with at least one application from the applications. Application context from metadata tags describing content of the application is received.
International Business Machines Corporation
06/25/15
20150180937
new patent

Mobile communications terminal and method


A method for operating a graphical user interface of a computer terminal running multiple asynchronous simultaneous tasks. The progress of the tasks is shown in a list in an information window.
Nokia Corporation
06/25/15
20150180933
new patent

Measurement of remote display responsiveness to application display changes


One method for managing remote display performance includes operations for embedding pixel data in a file of an application executing on a server, and detecting an open window of a graphical user interface (gui) associated with the application. The pixel data is used to create a pixel strip in the window, while the gui is being displayed on a remote display of a remote client.
Vmware, Inc.
06/25/15
20150180917
new patent

User terminal for a telemedicine image service and control method thereof


A user terminal for conducting a telemedicine service with a medical team is provided. The user terminal connects with a second user terminal of the medical team, and acquires a patient image captured by photographing a patient.
Samsung Electronics Co., Ltd.
06/25/15
20150180916
new patent

Portable sharing content thereof


Disclosed are a portable apparatus and a method for sharing content thereof, in which the method of sharing contents in a portable apparatus includes receiving user interaction with a document targeted for photographing through a camera of the portable apparatus; and sharing a content corresponding to the document with at least one remote device so as to correspond to the user interaction with the document. With this, the user interaction with the contents of the portable apparatus input through the camera and the document targeted for photographing is shared with the remote device, thereby efficiently supporting education focused on students..
Samsung Electronics Co., Ltd.
06/25/15
20150180901
new patent

Controlling access to a software application


A method for controlling access to a software application includes generating a policy machine template based on at least one role and at least one permission for an operator, generating a policy machine based on the operator and at least one object associated with the operator, and maintaining at least one logical link between the policy machine template and the policy machine. The policy machine is an access control framework permitting directed acyclic graph relationships between objects, and the policy machine controls access to the software application..
Medidata Solutions, Inc.
06/25/15
20150180889
new patent

Using new edges for anomaly detection in computer networks


Creation of new edges in a network may be used as an indication of a potential attack on the network. Historical data of a frequency with which nodes in a network create and receive new edges may be analyzed.
Los Alamos National Security, Llc
06/25/15
20150180883
new patent

Control flow graph representation and classification


A software sample is identified that includes code and a control flow graph is generated for each of a plurality of functions included in the sample. Features are identified in each of the functions that correspond to instances of a set of control flow fragment types.
06/25/15
20150180876
new patent

Authenticated distribution of copies from a stored electronic record verified page by page


Exemplary embodiments of methods and systems for authenticated distribution of copies from a stored electronic record verified page-by-page are disclosed. An original digitized document file is received by way of a secure web site.
06/25/15
20150180843
new patent

Method and system for establishing secure communications using composite key cryptography


A method is disclosed for establishing a secure communication session using composite key cryptography. The method comprises generating a first plurality of secret keys all of which are known only to a first communicating party and each one of which is shared with exactly one of a plurality of stewards, and generating a second plurality of secret keys all of which are known only to a second communicating party and each one of which is shared with exactly one of the plurality of stewards.
Grey Heron Technologies, Llc
06/25/15
20150180811
new patent

Systems and methods for clustering electronic messages


Systems and methods for clustering electronic messages are disclosed. In some implementations, a method includes, at a computing device, responsive to a determination that a message body of a first electronic message satisfies a set of content-based clustering rules associated with a first message cluster, assigning the electronic message to the message cluster.
Google Inc.
06/25/15
20150180778
new patent

Traffic engineering for large scale data center networks


The present disclosure provides for the determination of bandwidth allocation of inter-block traffic in a data center network. It employs a number of optimization objectives and a heuristic water-filling strategy to avoid producing unnecessary paths and to avoid determining paths that would be unavailable when actually needed.
Google Inc.
06/25/15
20150180763
new patent

System and improving routing in a distributed communication platform


A system and method for routing communication in a communication platform that includes generating edge cost scores in the communication network; assigning distribution values within the network; setting a score tolerance; receiving a communication directive; performing network graph search to identify a selected route through a route selection process including considering cost score within the score tolerance and distributing selection of a route associated with the communication directive in accordance to the distribution values; and establishing a media route specified by the selected route.. .
Twilio, Inc.
06/25/15
20150180744
new patent

System, method, and computer program product for monitoring computer systeminfrastructure and assets


A method performed by a monitoring tool in a computer system, the method including: displaying a user interface including information regarding a first resource; running a correlation algorithm to determine whether other resources in the computer system show correlation for one or more performance metrics; selecting one or more other resources as suggestions based on results of the correlation algorithm; displaying selected resources in a list with the base resource and render a graph of performance metrics over time with performance data of the base resource and the suggested resources overlaid; and overlaying further performance data on the graph for a resource searched for, and selected by, the human user.. .
Netapp, Inc.
06/25/15
20150180665
new patent

Optimized hardware architecture and ecc point doubling using jacobian coordinates over short weierstrass curves


An optimized hardware architecture and method introducing a simple arithmetic processor that allows efficient implementation of an elliptical curve cryptography point doubling algorithm for jacobian coordinates. The optimized architecture additionally reduces the required storage for intermediate values..
Nxp B.v.
06/25/15
20150180664
new patent

Optimized hardward architecture and ecc point addition using mixed affine-jacobian coordinates over short weierstrass curves


An optimized hardware architecture and method introducing a simple arithmetic processor that allows efficient implementation of an elliptic curve cryptography point addition algorithm for mixed affine-jacobian coordinates. The optimized architecture additionally reduces the required storage for intermediate values..
Nxp B.v.
06/25/15
20150180657
new patent

Techniques for enforcing a depth order policy for graphics in a display scene


Various embodiments are generally directed an apparatus and method for processing an encrypted graphic with a decryption key associated with a depth order policy including a depth position of a display scene, generating a graphic from the encrypted graphic when the encrypted graphic is successfully decrypted using the decryption key and assigning the graphic to a plane at the depth position of the display scene when the encrypted graphic is successfully decrypted.. .
06/25/15
20150180653
new patent

Module for "machine-to-machine" communications using public key infrastructure


Methods and systems are provided for efficient and secure “machine-to-machine” (m2m) between modules and servers. The module and server can utilize public key infrastructure (pki) such as public keys to encrypt messages.
06/25/15
20150180652
new patent

Modular exponentiation optimization for cryptographic systems


A processing device, such as logic on an integrated circuit may identify a cryptographic message stored in a first register. The processing device may determine a plurality of components for a second power of the cryptographic message using a plurality of components of the cryptographic message.
Cryptography Research, Inc.
06/25/15
20150180527
new patent

Protective case for mobile device with displaced camera control


A protective case for a mobile device having an alternative user interface that is capable of wirelessly controlling the operations of the mobile device is disclosed. The alternative user interface is displaced from the corresponding user interface on the mobile device and is programmable and paired or otherwise wirelessly connected to the mobile device via a bluetooth or other suitable wireless interface or protocol.
Incipio Technologies, Inc.
06/25/15
20150180446
new patent

Crystal resonator


A crystal resonator includes a blank and a supporting portion. The blank is cut out from a crystal parallel to a surface that includes a x″-axis and a z″-axis respectively obtained by rotating an x′-axis and a z′-axis by 45° around a y′-axis in a direction from the z′-axis toward the x′-axis.
Nihon Dempa Kogyo Co., Ltd.
06/25/15
20150180372
new patent

Membrane-based nano-electromechanical systems device and methods to make and use same


Nano-electromechanical systems (nems) devices that utilize thin electrically conductive membranes, which can be, for example, graphene membranes. The membrane-based nems devices can be used as sensors, electrical relays, adjustable angle mirror devices, variable impedance devices, and devices performing other functions..
Clean Energy Labs, Llc
06/25/15
20150180108
new patent

Passive microelectronic components, capable of allowing a radio-frequency or hyper-frequency signal to travel in a single direction


A passive radiofrequency microelectronic components for an integrated circuit which includes a dielectric substrate and at least one metal conductive layer positioned on said substrate. The conductive layer including at least one first metal conductive portion and a second metal conductive portion separated by an insulation.
Thales
06/25/15
20150180086
new patent

Battery half cell, a battery and their manufacture


There is provided a battery and battery half cell comprising at least one carbon fiber as negative electrode, said carbon fiber comprising a plurality of layers with carbon atoms having graphite structure, said plurality of layers having an ability of intercalating metal ions, said carbon fiber at least partially coated with at least one electrically insulating polymer layer acting as an electrolyte, wherein said insulating polymer layer has been applied with an electro-driven polymerization reaction, wherein said insulating polymer layer is permeable for metal ions, said insulating polymer layer having a stiffness of at least 0.5 mpa, said insulating polymer layer having an ionic conductivity of at least 10−10 s/m and an electrical resistivity of at least 1010Ω m, said insulating layer has a thickness in the interval 10-200 nm. Advantages include possibility to utilize thin layers of electrolytes without creating large ohmic losses, structural batteries can comprise carbon fibers..
Swerea Sicomp Ab
06/25/15
20150180073
new patent

Ion-conducting membrane


An ion-conducting membrane includes: (i) a first ion-conducting layer including one or more first ion-conducting polymers; and (ii) a barrier layer including graphene-based platelets.. .
Johnson Matthey Fuel Cells Limited
06/25/15
20150180035
new patent

Carbon material for power storage device electrode, producing the same and power storage device using the same


A method for producing a vitreous carbon material which can serve as a carbon material for a power storage device in the method, a polymer material, having six-membered ring structures in its basic carbon skeleton and having a nitrogen atom, is heated at a temperature of 1000° c. To 2100° c.
Panasonic Intellectual Property Management Co., Ltd.
06/25/15
20150180033
new patent

Sealed nonaqueous electrolyte secondary battery and producing same


The sealed nonaqueous electrolyte secondary battery includes a nonaqueous electrolyte containing a gas generator that is decomposed to generate a gas when a prescribed battery voltage is exceeded, and a battery case that includes a current interrupt device that operates when the pressure within the battery case rises accompanying the gas generation. A positive electrode (10) has a positive electrode mixture layer (14) that contains at least a positive electrode active material (16).
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150180029
new patent

Lithium ion batteries using discrete carbon nanotubes, methods for production thereof and products obtained therefrom


Compositions, and methods of obtaining them, useful for lithium ion batteries comprising discrete oxidized carbon nanotubes having attached to their surface lithium ion active materials in the form of nanometer sized crystals or layers. The composition can further comprise graphene or oxygenated graphene..
Molecular Rebar Design, Llc
06/25/15
20150180028
new patent

Structural battery half cell, a structural battery and their manufacture


There is provided a battery and battery half cell comprising at least one carbon fiber as negative electrode, said carbon fiber comprising a plurality of layers with carbon atoms having graphite structure, and ability of intercalating metal ions, said carbon fiber having a strength of at least 1 gpa and a stiffness of at least 100 gpa in the longitudinal direction of said carbon fiber, said carbon fiber at least partially coated with at least one electrically insulating polymer layer acting as an electrolyte, wherein said insulating polymer layer is permeable for metal ions, and has a stiffness of at least 0.5 mpa, an ionic conductivity of at least 10−10 s/m and an electrical resistivity of at least 1010 Ωm, said insulating layer a thickness in the interval 10-200 nm. Advantages include possibility to utilize thin layers of electrolytes without creating large ohmic losses, structural batteries can comprise carbon fibers..
Swerea Sicomp Ab
06/25/15
20150180019
new patent

Negative active material for lithium secondary battery, preparing the same, negative electrode comprising the same, and lithium secondary battery comprising same


The present invention relates to a negative active material for a rechargeable lithium battery, a method of manufacturing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material includes a first graphite particle including graphite pieces; and at least one second particle selected from the group consisting of an element particle, an element compound particle, a composite particle, and a carbon composite particle, and a combination particle thereof, wherein the element particle, the element compound particle, the composite particle, and the carbon composite particle are selected from the group consisting of si, sn, al, ge, pb, and combinations thereof; wherein each of the graphite pieces has a thickness ranging from 0.01 μm to 0.1 μm and the graphite pieces are linked to one another forming a curved side; and wherein the at least one second particle is dispersed between the graphite pieces..
Knu-industry Cooperation Foundation


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