Combination charger and motive power device
Granted: February 23, 2016
Patent Number:
9270217
A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array.
Data allocation system
Granted: February 16, 2016
Patent Number:
9262345
A data control system facilitates transfer of a virtual disk from a primary storage system to a secondary storage system. The data control system, responsive to an instruction to transfer the virtual disk, wherein the virtual disk comprises a plurality of data blocks, determines whether each of the plurality of data blocks is allocated or unallocated; for each data block of the plurality of data blocks determined to be allocated, the data control system reads the data block from memory…
Nanostructured materials for electrochemical conversion reactions
Granted: January 26, 2016
Patent Number:
9246158
The disclosure is related to battery systems. More specifically, embodiments of the disclosure provide a nanostructured conversion material for use as the active material in battery cathodes. In an implementation, a nanostructured conversion material is a glassy material and includes a metal material, one or more oxidizing species, and a reducing cation species mixed at a scale of less than 1 nm. The glassy conversion material is substantially homogeneous within a volume of 1000 nm3.
Method and apparatus for cancer treatment
Granted: January 26, 2016
Patent Number:
9242041
An apparatus for treating solid tumors having at least one hollow needle having at least one perforation, at least one ground electrode, a pump for delivering a chemotherapeutic agent through the perforation in the hollow needle, one or more power supplies connected to the hollow needle and the ground electrode capable of delivering a pulse of alternating current between the hollow needle and the ground electrode of at least 1000 volts and no more than 1 millisecond duration, a direct…
Method and apparatus for controlling temperature in a cryocooled cryostat using static and moving gas
Granted: January 12, 2016
Patent Number:
9234691
A cryostat for providing temperature regulation, one purpose being measuring physical properties of materials, the cryostat employing a superconducting magnet assembly for generating variable magnetic field in the sample space and a cryogenic cooler for cooling the sample space. The cryogenic cooler chamber configuration provides for efficient heat exchange between different stages of the cryogenic cooler without the need for physical heat links. This construction enables selective…
Concentric is shells for compressed gas storage
Granted: January 12, 2016
Patent Number:
9234625
Gas containment vessels are provided that are comprised of an inner corrosion resistant shell made of lower strength steel alloy or aluminum alloy or thermoplastic polymer, and an outer concentric shell constructed of high strength, albeit lower corrosion resistant, metal or fiber-reinforced composite. The fiber can comprise filaments derived from basaltic rocks, the filaments having been immersed in a thermosetting or thermoplastic polymer matrix, and comingled with carbon, glass or…
Composite elastomeric yarns and fabric
Granted: January 12, 2016
Patent Number:
9234304
The present invention relates to composite elastomeric yarns and fabrics, to methods of making same, and to articles in which such yarns and fabrics are used. The composite yarns of the present invention comprise a elastomeric core, an elastomeric thermoplastic sheath disposed about the core and, preferably, fibers mechanically anchored in the sheath. The composite fabrics of the present invention comprise the composite yarns of the present invention and conventional fibers arranged to…
Passive waveguide structure with alternating GaInAs/AlInAs layers for mid-infrared optoelectronic devices
Granted: January 5, 2016
Patent Number:
9231368
Disclosed is a semiconductor optical emitter having an optical mode and a gain section, the emitter comprising a low loss waveguide structure made of two alternating layers of semiconductor materials A and B, having refractive indexes of Na and Nb, respectively, with an effective index No of the optical mode in the low loss waveguide between Na and Nb, wherein No is within a 5% error margin of identical to a refractive index of the gain section and wherein the gain section is…
System and method enabling bi-translation for improved prescription accuracy
Granted: January 5, 2016
Patent Number:
9230222
A system for bi-translation of speech and writing is provided. The system can comprise one or more electronic data processors contained within one or more computing devices. The system can also include a module configured to execute on the one or more electronic data processors in order to record a spoken and written segment into the one or more computing devices, where the segments can be corroborated by selecting potential medications and processes. The module can also be configured to…
Data identification system
Granted: December 29, 2015
Patent Number:
9223975
Disclosed is a method of operating a data storage system. The method comprises identifying changed segments of a primary storage volume, receiving a data request for a plurality of data items in a secondary storage volume, identifying changed data items of the plurality of data items in the secondary storage volume based on a correspondence between the plurality of data items in the secondary storage volume and the changed segments of the primary storage volume, and transferring the…
Breather layer for exhausting permeate from pressure vessels
Granted: December 8, 2015
Patent Number:
9205373
Devices and methods for addressing permeation of a gas through a liner of a pressure vessel involve a porous layer between the liner and a composite shell of the pressure vessel around the liner. The porous layer provides fluid communication with atmosphere for gases that permeate through the liner. Such porous layers may be provided in a continuous wound set of fibers about the liner. Further, an inner composite structure may be provided between the liner and the porous layer to reduce…
Laser system
Granted: December 1, 2015
Patent Number:
9203214
A laser system comprising a laser configured to generate a laser beam, a power supply arranged to provide a drive power to the laser, a photodetector arranged to detect the power of the laser beam and provide a detection signal from the power of the laser beam and a feedback loop arranged to form a feedback signal by subtracting a target signal from the detection signal wherein the feedback signal has a high bandwidth, amplify the feedback signal and adjust the drive power according to…
Voltage switchable non-local spin-FET and methods for making same
Granted: December 1, 2015
Patent Number:
9202899
A voltage switchable non-local spin-FET is disclosed which provides a layer of chromia over a ferromagnetic substrate, such as cobalt. A film of graphene overlays the chromia, with a protective layer of metal oxide like cobalt oxide or iron oxide there between to prevent catalytic degradation of the graphene, which may occur. The graphene is provided with a contact, or source and drain, depending on the application. The spin-FET, which exhibits magnetic remanence, may be provided with a…
Method for the preparation of (3S, 3S?) 4,4?-disulfanediylbis (3-aminobutane 1-sulfonic acid)
Granted: November 17, 2015
Patent Number:
9187418
The present invention relates to a new method for the preparation of (3S,3S?) 4,4?-disulfanediylbis(3-aminobutane 1-sulfonic acid) in five steps from (S)-ethyl 2-(benzyloxycarbonylamino)-4-(neopentyloxysulfonyl)butanoate A.
Data control system for virtual environment
Granted: November 10, 2015
Patent Number:
9183130
A data control system comprises a communication interface, a processing system, and a storage system. The communication interface is configured to receive a request to retrieve data from a primary storage volume that includes a secondary storage volume. The storage system is configured to store the primary storage volume that includes the secondary storage volume. The processing system is configured to identify changed segments of a plurality of segments in the primary storage volume and…
Heating elements for multi-wavelength DBR laser
Granted: October 27, 2015
Patent Number:
9172211
A multi-wavelength distributed Bragg reflector (DBR) semiconductor laser is provided where DBR heating elements are positioned over the waveguide in the DBR section and define an interleaved temperature profile that generates multiple distinct reflection peaks corresponding to distinct temperature dependent Bragg wavelengths associated with the temperature profile. Neighboring pairs of heating elements of the DBR heating elements positioned over the waveguide in the DBR section are…
Solid state catholytes and electrolytes for energy storage devices
Granted: October 27, 2015
Patent Number:
9172114
The present invention provides an energy storage device comprising a cathode region or other element. The device has a major active region comprising a plurality of first active regions spatially disposed within the cathode region. The major active region expands or contracts from a first volume to a second volume during a period of a charge and discharge. The device has a catholyte material spatially confined within a spatial region of the cathode region and spatially disposed within…
Merging data volumes and derivative versions of the data volumes
Granted: October 20, 2015
Patent Number:
9164678
Disclosed are systems, methods, and software for performing version control. In a particular embodiment, a non-transitory computer readable medium is provided having stored therein program instructions that, when executed by a computer system, direct the computer system to perform a method of version control. The method includes executing a plurality of virtual machines from a plurality of derivative versions of an ancestor data volume, wherein the ancestor data volume and the plurality…
Multiple beam light source
Granted: October 13, 2015
Patent Number:
9157623
A portable light having a transmitter configured to emit a signal, a receiver configured to receive the signal from the transmitter, a source of electric light that includes a plurality of light modes, a power source, and a controller connected to a circuit, wherein the transmitter, the receiver, the source of electric light, the power source, and the switch are included in the circuit. The controller is configured to control the switch and a transition between or among the plurality of…
High speed optical tilted charge devices and methods
Granted: October 13, 2015
Patent Number:
9159873
A method for producing optical signals with improved efficiency, including the following steps: providing a layered semiconductor structure that includes a substrate, a semiconductor collector region of a first conductivity type, a semiconductor base region of a second conductivity type disposed on the collector region, and a semiconductor emitter region of the first semiconductor type disposed as a mesa over a portion of a surface of the base region; providing, in the base region, at…
