Abstract: A thermally conductive article including a polymeric layer comprising a nonwoven polymeric material. In particular, a flexible thermally conductive polymeric layer comprising an epoxy resin and a long-strand polymeric nonwoven material embedded in the epoxy resin. The polymeric nonwoven material may be heat stable at about 280 C.

Abstract: A nanostructured article having a first layer with a nanostructured surface is described. The nanostructured surface includes a plurality of pillars extending from a base surface of the first layer. The pillars have an average height greater than an average lateral dimension of the pillars. An average center-to-center spacing between pillars is no more than 2000 nm. The average lateral dimension is no less than 50 nm. Each pillar in the plurality of pillars has at least a lower portion and an upper portion where the lower portion is between the upper portion and the base surface, and the upper and lower portions have differing compositions. The nanostructured article includes a second layer disposed over the plurality of pillars and extending continuously to the base surface.

Abstract: An energy-generating device is provided for generating energy by device deformation in any of three orthogonal directions. The device includes a resilient wave-shaped substrate comprising six or more alternating wave structures extending along at least one axis. The resilient wave-shaped substrate is capable of deformation and recovery in three orthogonal directions. Resilient, energy-generating components are mounted on top and bottom surfaces of the resilient wave-shaped structure. The energy-generating components are selected from piezoelectric and triboelectric energy-generating component and output a voltage and current in response to deformation in any of three orthogonal directions. In one aspect, the energy generating device is included in an energy harvester. In another aspect, the energy-generating device is included in a sensor, particularly a sensor for measuring strain. In one aspect a mat of randomly-oriented piezoelectric fibers comprises the energy-generating component.

Abstract: A multi-axis mechanical gripper includes a bottom moving mechanism, a vertical moving mechanism slidably connected to the bottom moving mechanism, horizontal moving mechanisms slidably connected to the vertical moving mechanism, and clamping devices slidably connected to the horizontal moving mechanisms and used for clamping materials. The clamping devices can be adjusted to the position of to-be-clamped materials through the cooperation of the bottom moving mechanism, the vertical moving mechanism and the horizontal moving mechanisms. The mechanical gripper is able to move along multiple axes, thereby being high in transfer efficiency, simple in structure, high in automation degree and capable of effectively relieving the labor intensity of workers.

Abstract: An automatic CD processing facility includes a mechanical gripper used for clamping a CD, storage cabinets located on side faces of the mechanical gripper and used for storing CDs, and a CD driver array cabinet located in front of or/and behind the mechanical gripper and used for processing the CDs. the CDs are placed in the storage cabinets and then are transferred by the mechanical gripper into the CD driver array cabinet to be processed, and after being processed, the CDs are taken out of the CD driver array cabinet to be placed back into the storage cabinets by the mechanical gripper. The automatic CD processing facility is high in automation degree, replaces traditional manual operation to take and place CDs, and improves processing efficiency.

Abstract: A rate-adaptive method of communicating over a multipath wireless communication system uses multiple links such that each end of a link uses multiple transmit and receive antennas. A number of independent streams that are to be transmitted for each link is determined based on an overall system performance measure. In addition, the system may also jointly determine the best modulation, coding, power control, and frequency assignment for each link, based on an overall system performance measure. In OFDM systems, the number of independent streams, as well as the modulation, coding, and power control, may be determined on a tone-by-tone basis based on an overall system performance measure.

Abstract: The disclosure discloses a virtual reality feedback device, and a positioning method, a feedback method, and a positioning system thereof. The method for positioning a virtual reality feedback device includes: obtaining first time point information of a first microwave signal, wherein the first time point information includes a reception time point and a transmission time point of the first microwave signal; obtaining a second time point information of a second microwave signal, wherein the second time point information includes a reception time point and a transmission time point of the second microwave signal; and determining a position of the virtual reality feedback device according to a transmission speed of the first microwave signal, a transmission speed of the second microwave signal, the first time point information, and the second time point information.

Abstract: The present disclosure provides an article having a substrate having a first nanostructured surface and an opposing second surface; and a conductor micropattern disposed on the first surface of the substrate, the conductor micropattern formed by a plurality of traces. The micropattern may have an open area fraction greater than 80%. The traces of the conductor micropattern may have a specular reflectance in a direction orthogonal to and toward the first surface of the substrate of less than 50%. The nanostructured surface may include nanofeatures having a height from 50 to 750 nanometers, a width from 15 to 200 nanometers, and a lateral spacing from 5 to 500 nanometers. The articles are useful in devices such as displays, in particular, touch screen displays useful for mobile hand held devices, tablets and computers. They also find use in antennas and for EMI shields.

Abstract: A method can include detecting local devices with a wireless first communication interface (IF) of a gateway device; authenticating at least one local device with the gateway device, including by operation of the first communication IF and a second communication IF, relaying secure communications between the at least one local device and a server to enable authentication of the at least one local device by the server, and after receiving authentication of the at least one local device at the gateway device, transmitting user information for storage in a secure memory of the authenticated local device; and operating the gateway device as a common access point to the network for any of a plurality of local devices authenticated with the gateway device. Related systems and gateway devices are also disclosed.

Abstract: A method includes transmitting one or more segments of a security certificate on a wireless advertising channel of a peripheral device, where at least one of the segments of the security certificate identifies an authentication server, participating in a public key exchange between the peripheral device and a host device by transmitting a signed public key of the peripheral device, where the signed public key is signed in the security certificate, and transmitting one or more encrypted messages from the peripheral device to the host device via a first secure connection established based on the public key.

Abstract: A method for processing a radiographic image of a patient, executed at least in part on a host processor, initiates exposure in response to an instruction entered from an operator console and obtains radiographic image data from a digital detector that is subjected to the exposure. The obtained radiographic image data is analyzed according to a set of predefined criteria for diagnostic suitability of the image. One or more results of the diagnostic suitability analysis at the operator console is indicated and a listing of one or more corrective actions at the operator console according to the indicated results is provided.

Abstract: The present invention provides a thin, bendable, printed, layered primary battery structure without a battery separator. The battery includes a first layer including a printed positive electrode. A second layer includes a negative electrode material which may be a printed negative electrode or a metal foil negative electrode. An adhesive, UV-curable intermediate layer is adhered to the first layer on a first side of the intermediate layer and is adhered to the second layer on a second side of the intermediate layer. The intermediate layer includes a water-soluble electroactive material and a water-soluble viscosity-regulating polymer in an amount sufficient to render the intermediate layer adhesive. The intermediate layer also includes a water-insoluble polymer matrix having sufficient rigidity to prevent contact of the first layer and the second layer. A flexible package encases the first, second, and intermediate layers.

Abstract: A barrier composite comprises (a) a gas-barrier film, (b) a polymeric transfer layer disposed on the gas-barrier film, and (c) a release liner disposed on the polymeric transfer layer opposite the gas-barrier film.

Abstract: A rate-adaptive method of communicating over a multipath wireless communication system uses multiple links such that each end of a link uses multiple transmit and receive antennas. A number of independent streams that are to be transmitted for each link is determined based on an overall system performance measure. In addition, the system may also jointly determine the best modulation, coding, power control, and frequency assignment for each link, based on an overall system performance measure. In OFDM systems, the number of independent streams, as well as the modulation, coding, and power control, may be determined on a tone-by-tone basis based on an overall system performance measure.

Abstract: A device may generate network profile data indicating a set of network parameters detected by the device. The device may encrypt the network profile data and may transmit the encrypted network profile data to a network device, such as a router, or a server. The router or server may analyze the encrypted network profile data to determine if the device is secure. The router of server may perform one or more security measures if the device is not secure.

Abstract: A rate-adaptive method of communicating over a multipath wireless communication system uses multiple links such that each end of a link uses multiple transmit and receive antennas. A number of independent streams that are to be transmitted for each link is determined based on an overall system performance measure. In addition, the system may also jointly determine the best modulation, coding, power control, and frequency assignment for each link, based on an overall system performance measure. In OFDM systems, the number of independent streams, as well as the modulation, coding, and power control, may be determined on a tone-by-tone basis based on an overall system performance measure.

Abstract: An embodiment of a system for providing Internet access free of charge to a user utilizes an Internet service provider for connecting a user to the Internet, a zone creation means, and a zone organizer. Free zones of servers are created, wherein the free zones are groups of at least one server to which at least one user can connect. The zone organizer can be in communication with the ISP. The zone organizer can be a traffic monitor, a traffic controller, an authentication protocol, a bookkeeping protocol, a fee collection and dispersal module, and/or an indexing and listing function.

Abstract: Aspects of the subject disclosure may include, for example, a device, process or software that determines an operation between a number of pairs of antennas of a set of antennas. A pair of antennas of the number of pairs of antennas is determined based on the operation. One antenna of the pair of antennas is eliminated from the set of antennas, which results in a reduced number of antennas remaining in the set of antennas. Each of the determining of the operation, the determining of the pair of antennas of the reduced number of antennas and the eliminating of the one antenna of the pair of antennas is repeated in response to the reduced number of antennas being greater than a predetermined number of antennas. Other embodiments are disclosed.

Abstract: An Internet-of-Things (IoT) device and secure communication and authentication protocol is described for identifying an IoT device and counter party and ensuring that communication between the IoT device and the counter party is authenticated before transmission and receipt of data over the trusted communication pathway.

Abstract: A method for checking an out-of-step of a synchronous motor includes detecting three-phase currents of the synchronous motor; determining whether a relationship between the three-phase currents satisfies a preset requirement; and if no, determining that the synchronous motor is out of step. It is determined that the synchronous motor is out of step when amplitudes of each current of the three-phase currents are not equal or when the phase difference between the three-phase currents is not 120°.