Abstract: A device for preparing ultra-high purity zinc based on intelligently-controlled zone melting, including a slide platform connected with a screw through a servo control system to control movement of a heating-cooling device. A quartz tube is provided inside an induction heater to protect a melting zone. An infrared thermometer is connected to the heater, and configured to monitor temperature within the melting zone, and control power of the heater. A ring magnetic stirrer with non-contact circumferential rotation cooperates with coil to stir zinc melt. A water-cooling copper jacket is connected to two ends of the heater to cool a zinc bar, and its water inlet and outlet are connected with a water chiller. The infrared thermometer monitors temperature of the zinc bar and controls water flow of the cooling system. A lifting device is connected with a base cabinet to change inclined angle of the zinc bar.

Abstract: A high-thermal conductivity composite material is AlNp/ZA27 composite material, including 2%, 4%, 6%, or 8% by volume of aluminum nitride (AlN) ceramic particles and zinc-aluminium-27 (ZA27) alloy. The ZA27 alloy includes 70.52-71.08% by weight of Zn, 25.58˜27.65% by weight of Al, 1.27˜3.45% by weight of Cu, and 0.50% or less by weight of Mg. In the preparation of the high-thermal conductivity composite material, an as-cast AlNp/ZA27 composite material is subjected to homogenizing annealing and reciprocating extrusion.

Abstract: A mechanical rotational-swinging adapter is provided to transfer a continuous rotational input from a driving tool into back-and-forth swinging output via a slotted cam structure. When the rotational-swinging adapter is installed between the nosecone and the air motor of a conventional dental handpiece, the nosecone outputs the back-and-forth swinging movement for dental work such as root canal or prophylaxis treatments.

Abstract: A mechanical rotational-swinging adapter is provided to transfer a continuous rotational input from a driving tool into back-and-forth swinging output via a slotted cam structure. When the rotational-swinging adapter is installed between the nosecone and the air motor of a conventional dental handpiece, the nosecone outputs the back-and-forth swinging movement for dental work such as root canal or prophylaxis treatments.

Abstract: Technologies are generally described for joint attention estimation using structured light patterns. In some examples, a structured light pattern including spatial and/or temporal variations may be projected onto an area that may contain one or more locations, objects, or personnel of interest. The spatial and/or temporal variations of the structured light pattern may encode identifiers for different regions within the area. When a video camera or other video capture device captures video data of a particular region within the area, the video data may include the structured light spatial and/or temporal variations that encode an identifier for the particular region. Subsequently, the encoded region identifier may be extracted from the video data, for example by the video capture device or a network center, and used to identify the region associated with the video data. Extracted region identifiers may be used to perform joint attention estimation in real-time.

Abstract: Systems and methods for concurrent wireless power transfer and data transmission are provided. A constraint encoder receives data bits for communication to a mobile device and encodes the data bits onto a transmit signal. The constraint encoder specifies signal constraints that cause the transmit signal to have a peak-to-power-average ratio (PAPR) during a given time interval sufficient to provide wireless power transfer to the mobile device. The system also includes a signal generator coupled to the constraint encoder. The signal generator generates the transmit signal according to the signal constraints. The system further includes a transmitter coil that is coupled to the signal generator. The transmitter coil is configured to transmit the transmit signal that has been encoded with the data bits to receiver coils of the mobile device. The encoded transmit signal is able to provide wireless power transfer and the encoded data bits to the mobile device.

Abstract: Technologies are generally described for code-division-multiple-access (CDMA)-based network-coding for reading data from massive memory servers. According to some examples, data may be modulated by spreading sequences prior to being transmitted from one memory node to another. In addition, the received signals (modulated data) from multiple memory nodes may be combined by a receiver memory node before being forwarded to other memory nodes arranged in a grid of memory nodes. The memory nodes may be assigned communication bandwidths flexibly and rapidly by changing the respective spreading sequences, which may be orthogonal or near-orthogonal for different memory nodes to allow support of random-access burst or dynamic data traffic, and enhancing fault-tolerance.

Abstract: Technologies and implementations for encoding and storing data in a solid-state memory device with a reduced number of erasures using a simplified belief-propagation algorithm that includes a set of message-calculation rules that have a low computational complexity are generally disclosed. Additionally, technologies and implementations for decoding data and for error correction are generally disclosed.

Abstract: Techniques described herein generally relate to consolidating computation tasks associated with a plurality of virtual machines. In one embodiment, a method may include forming a pipeline having at least a first core and a second core after having detected a formation condition, identifying a first set of operations of a first virtual machine running on a first host device that are similar to a second set of operations of a second virtual machine running on a second host device, identifying a third set of operations of the first virtual machine that are similar to a fourth set of operations of the second virtual machine, dispatching the first set of operations and the second set of operations to the first core of the pipeline for execution, and dispatching the third set of operations and the fourth set of operations to the second core of the pipeline for execution.

Abstract: Systems and methods for concurrent wireless power transfer and data transmission are provided. A constraint encoder receives data bits for communication to a mobile device and encodes the data bits onto a transmit signal. The constraint encoder specifies signal constraints that cause the transmit signal to have a peak-to-power-average ratio (PAPR) during a given time interval sufficient to provide wireless power transfer to the mobile device. The system also includes a signal generator coupled to the constraint encoder. The signal generator generates the transmit signal according to the signal constraints. The system further includes a transmitter coil that is coupled to the signal generator. The transmitter coil is configured to transmit the transmit signal that has been encoded with the data bits to receiver coils of the mobile device. The encoded transmit signal is able to provide wireless power transfer and the encoded data bits to the mobile device.

Abstract: Systems and methods for concurrent wireless power transfer and data transmission are provided. A constraint encoder receives data bits for communication to a mobile device and encodes the data bits onto a transmit signal. The constraint encoder specifies signal constraints that cause the transmit signal to have a peak-to-power-average ratio (PAPR) during a given time interval sufficient to provide wireless power transfer to the mobile device. The system also includes a signal generator coupled to the constraint encoder. The signal generator generates the transmit signal according to the signal constraints. The system further includes a transmitter coil that is coupled to the signal generator. The transmitter coil is configured to transmit the transmit signal that has been encoded with the data bits to receiver coils of the mobile device. The encoded transmit signal is able to provide wireless power transfer and the encoded data bits to the mobile device.

Abstract: Systems and methods for concurrent wireless power transfer and data transmission are provided. A constraint encoder receives data bits for communication to a mobile device and encodes the data bits onto a transmit signal. The constraint encoder specifies signal constraints that cause the transmit signal to have a peak-to-power-average ratio (PAPR) during a given time interval sufficient to provide wireless power transfer to the mobile device. The system also includes a signal generator coupled to the constraint encoder. The signal generator generates the transmit signal according to the signal constraints. The system further includes a transmitter coil that is coupled to the signal generator. The transmitter coil is configured to transmit the transmit signal that has been encoded with the data bits to receiver coils of the mobile device. The encoded transmit signal is able to provide wireless power transfer and the encoded data bits to the mobile device.

Abstract: Technologies are described herein for compressing or decompressing data using polar codes. Some example technologies may receive a data string comprising a first set of symbols. The technologies may transform the data string into a generalized message comprising a second set of symbols by mapping the data string to the generalized message via an inverse of a transformation function. The technologies may identify, based on a polar code, fixed symbols of the generalized message. The technologies may generate a compressed data string by extracting the fixed symbols from the generalized message and concatenating the fixed symbols into the compressed data string. As a result, the generalized message may be transformed into the compressed data string.

Abstract: Technologies are described herein for allocating pages in a flash memory. Some example technologies may receive multiple data elements and a write request to write the multiple data elements to the flash memory. Example technologies may identify a correlation between a subset of the data elements based on correlation criteria. Example technologies may allocate neighboring pages of the flash memory for storing the subset of the data elements. Example technologies may write the subset of the data elements into the allocated pages.

Abstract: Technologies are generally described herein for linear programming based decoding for memory devices. In some examples, a cell threshold voltage level of a memory cell is detected. An interference voltage level of an interference cell that interferes with the memory cell can be determined. The cell threshold voltage level can be decoded in accordance with a set of beliefs to determine the value of the memory cell. The set of beliefs can include a minimization of an objective function of a linear program representing inter-cell interference between the memory cell and the interference cell.

Abstract: Technologies to encode and decode a message are disclosed herein. In some implementations, a low density parity check (“LDPC”) code base graph G(k) may be divided a number of times into a smaller LDPC code graph G(k?n). Data to be stored may be encoded according to the smaller LDPC code graph G(k?n) to generate an encoded message. The encoded message may thereafter be stored in a memory device such as a multi-level cell memory device.

Abstract: Techniques described herein generally relate to consolidating computation tasks associated with a plurality of virtual machines. In one embodiment, a method may include forming a pipeline having at least a first core and a second core after having detected a formation condition, identifying a first set of operations of a first virtual machine running on a first host device that are similar to a second set of operations of a second virtual machine running on a second host device, identifying a third set of operations of the first virtual machine that are similar to a fourth set of operations of the second virtual machine, dispatching the first set of operations and the second set of operations to the first core of the pipeline for execution, and dispatching the third set of operations and the fourth set of operations to the second core of the pipeline for execution.

Abstract: In some examples, a method to defend against relay attacks includes recording a first representation of a motion signal associated with a mobile device. The first representation of the motion signal is obtained by remotely sensing the motion of the mobile device. The method also includes receiving data indicative of a second representation of the motion signal associated with the mobile device. The second representation of the motion signal is obtained by sensing the motion of the mobile device in-situ. The method also includes comparing the first representation of the motion signal with the second representation of the motion signal and verifying, based on the results of the comparison, that a relay attack is not present when the first representation of the motion signal is substantially similar to the second representation of the motion signal.

Abstract: Technologies are generally described for code-division-multiple-access (CDMA)-based network-coding for reading data from massive memory servers. According to some examples, data may be modulated by spreading sequences prior to being transmitted from one memory node to another. In addition, the received signals (modulated data) from multiple memory nodes may be combined by a receiver memory node before being forwarded to other memory nodes arranged in a grid of memory nodes. The memory nodes may be assigned communication bandwidths flexibly and rapidly by changing the respective spreading sequences, which may be orthogonal or near-orthogonal for different memory nodes to allow support of random-access burst or dynamic data traffic, and enhancing fault-tolerance.

Abstract: Technologies and implementations for encoding and storing data in a solid-state memory device with a reduced number of erasures using a simplified belief-propagation algorithm that includes a set of message-calculation rules that have a low computational complexity are generally disclosed. Additionally, technologies and implementations for decoding data and for error correction are generally disclosed.