Abstract: The present application discloses an RSA decryption processor and a method for controlling an RSA decryption processor. A specific implementation of the processor includes a memory, a control component, and a parallel processor. The memory is configured to store decryption parameters comprising a private key. The control component is configured to receive a ciphertext set, and send a decryption signal comprising the ciphertext set to the parallel processor. The parallel processor is configured to: read a decryption parameter from the memory in response to receiving the decryption signal, and use at least one modular exponentiation circuit unit in the parallel processor to perform in parallel a modular exponentiation operation on ciphertexts in the ciphertext set by using the read decryption parameter, to obtain plaintexts corresponding to the ciphertexts. This implementation improves the efficiency of RSA decryption.

Abstract: Provided herein are nanofibers comprising carbon precursors, nanofibers comprising carbon matrices, and processes for preparing the same. In specific examples, provided herein are high performance lithium ion battery anodic nanofibers comprising non-aggregated silicon domains in a continuous carbon matrix.

Abstract: A method is disclosed comprising: determining, using a processor, a generalization factor associated with a data element of a database comprising navigation data, the generalization factor depending on a usage information associated with the data element, wherein the generalization factor is indicative to a level of details of a new data element to be generated based on the data element. Further disclosed are a corresponding apparatus, a corresponding system and a corresponding computer readable storage medium.

Abstract: A wireless power receiver is disclosed. The wireless power receiver according to an embodiment of the present invention comprises: a resonator for receiving wireless power; a rectifier for converting alternating current power received from the resonator to direct current power and supplying output power to a load; and a control unit for adjusting a resonant frequency of the resonator to directly control the output power of the rectifier supplied to the load.

Abstract: Disclosed is a method for performing a random access in a wireless communication, including identifying a channel condition and a size of a message that a user equipment will transmit after a transmission of a preamble, selecting a first preamble set from at least two preamble sets if the channel condition is greater than a first threshold and the size of the message is greater than a second threshold, selecting a preamble from the selected first preamble set if the first preamble set is selected, transmitting, to a base station, the selected preamble, receiving, from the base station, a random access response message including resource allocation information in response to the transmission of the selected preamble, and transmitting, to the base station, the message based on the resource allocation information.

Abstract: A semiconductor device including a substrate includes an active region. A bit line structure extends across the active region. A landing pad is disposed on an end portion of the active region. A first spacer is disposed between the bit line structure and the landing pad. A second spacer is disposed between the first spacer and the landing pad. An air spacer is disposed between the first spacer and the second spacer. A capping pattern is disposed between a sidewall of the landing pad and a sidewall of the bit line structure. The capping pattern defines a top surface of the air spacer and comprises a metallic material.

Abstract: A digital frequency measuring apparatus includes a frequency divider dividing an input frequency signal and providing a divided frequency signal; a period counter counting clock cycles in a period of the divided frequency signal using a clock signal and providing a period count value for each period; and a digital filter amplifying the period count value using an accumulated gain, converting an amplified period count value into a frequency, and providing a first digital output value. The digital filter determines the accumulated gain using a predetermined stage number and a predetermined decimator factor.

Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.

Abstract: An air conditioning module, which can perform cooling and heating through a single module, which is capable of being compact-sized, which can prevent problems caused by condensate water because the condensate water can be easily discharged out, and which can control all of two doors for heating and cooling by a link member and an actuator.

Abstract: A computer-implemented method includes receiving, by one or more processors on a first device, a first broadcast message from a second device including a wireless-enabled device operating on a Low Energy (LE) advertising channel, the first broadcast message includes transmission power information associated with the second device, transmission data, and a destination address, determining, by the one or more processors, a Received Signal Strength Indication (RSSI) of the first device, and based on the determined RSSI of the first device and the transmission power information associated with the second device, sending, by the one or more processors, the transmission data to the destination address.

Abstract: A quantum dot includes a seed and a core enclosing the seed. The core is grown from the seed to improve size uniformity of the core. The seed includes a first compound without Cd. The first compound may be GaP. The core may include a second compound including elements from group XIII and group XV. The second compound may be InP. The quantum dot may also include a first shell of a third compound enclosing the core. The third compound may be ZnSe or ZnS. The quantum dot may also include a second shell of a fourth compound enclosing the first shell. The fourth compound may be ZnS when the third compound is ZnSe. Embodiments also relate to a quantum dot including first to third elements selected from XIII group elements and XV group elements and fourth to sixth elements selected from XII group elements and XVI group elements.

Abstract: There are provided an ice thermal storage tank having excellent cold water generation efficiency and having a considerably reduced size, and a water cooler having the same. The ice thermal storage tank includes: a tank body accommodating an ice storage liquid cooled according to an ice thermal storage scheme; a cold water generation unit heat-exchanging introduced water with the cooled ice storage liquid to generate cold water; and a circulation unit extracting the ice storage liquid accommodated in the tank body to circulate it within the tank body. The water cooler includes: the thermal storage tank cooling water supplied from the outside; and a water dispensing unit dispensing cooled water from the ice thermal storage tank. Since an ice storage liquid is circulated without using a stirrer, the size of an ice thermal storage tank can be remarkably reduced, and thus, a water cooler is reduced in size.

Abstract: System and method for a unified memory and network controller for an all-flash array (AFA) storage blade in a distributed flash storage clusters over a fabric network. The unified memory and network controller has 3-way control functions including unified memory buses to cache memories and DDR4-AFA controllers, a dual-port PCIE interconnection to two host processors of gateway clusters, and four switch fabric ports for interconnections with peer controllers (e.g., AFA blades and/or chassis) in the distributed flash storage network. The AFA storage blade includes dynamic random-access memory (DRAM) and magnetoresistive random-access memory (MRAM) configured as data read/write cache buffers, and flash memory DIMM devices as primary storage. Remote data memory access (RDMA) for clients via the data caching buffers is enabled and controlled by the host processor interconnection(s), the switch fabric ports, and a unified memory bus from the unified controller to the data buffer and the flash SSDs.

Abstract: An ultrasound scanning apparatus, a breathing machine, a medical system and a related method. The ultrasound scanning apparatus comprises an ultrasound scanning unit, an ultrasound controller for controlling the operation of the ultrasound scanning unit, detecting the operation state of the ultrasound scanning unit, generating a first enable signal when detecting that the operation state of the ultrasound scanning unit is transferred from an operating state to a nonoperating state and generating a second enable signal when detecting that the operation state of the ultrasound scanning unit is transferred from the nonoperating state to the operating state, and an enable output end for transmitting the first enable signal or the second enable signal to the breathing machine to control the running of the breathing machine.

Abstract: A magnetic random-access memory (MRAM) device and a semiconductor package include a magnetic shielding layer that may suppress at least one of magnetic orientation errors and deterioration of magnetic tunnel junction (MTJ) structures due to external magnetic fields. A semiconductor device includes: a MRAM chip including a MRAM; and a magnetic shielding layer including an upper shielding layer and a via shielding layer. The upper shielding layer is on a top surface of the MRAM chip, and the via shielding layer extends from the upper shielding layer and passes through the MRAM chip.

Abstract: An embodiment of the present invention provides a PCB module comprising: a multilayer PCB assembly including a heat dissipation plate layer, and an upper PCB and a lower PCB which are attached to the upper surface and the lower surface of the heat dissipation plate layer, respectively; and an upper case and a lower case for covering the upper side and the lower side of the multilayer PCB assembly, respectively, wherein the heat dissipation plate layer includes a plurality of electrically insulating heat dissipation plates arranged on the same plane, and at least one of the plurality of heat dissipation plates comprises: a first heat pole in thermal contact with an electronic circuit element mounted on the upper PCB or the lower PCB; and a second heat pole in thermal contact with the inner surface of at least one of the upper and lower cases.

Abstract: A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including electrodes at opposite sides of a separator, each of the electrodes having a coated region and an uncoated region, and the electrodes and the separator being spirally wound; an insulating case for accommodating the electrode assembly and allowing the uncoated regions to be drawn out through respective uncoated region holes; a case for accommodating the insulating case; and a cap plate coupled to an opening of the case and allowing electrode terminals respectively coupled to the uncoated regions to be drawn out through respective terminal holes.

Abstract: Disclosed is a polymer powder having an average particle diameter of 20 ?m to 300 ?m, with a particle diameter of less than 10 ?m of 10 mass % or less, and a particle diameter of greater than 300 ?m of 10 mass % or less. Further, disclosed is a method for preparing a polymer powder, comprising: forming a melt of a polymer; introducing a supercritical fluid into the melt of the polymer to form a mixed composition; and spraying the mixed composition to prepare the polymer powder.

Abstract: An electronic device includes a display, a vibration element positioned under the display, a microphone, and a processor electrically connected to the display, the vibration element, and the microphone. The processor is configured to allow the vibration element to vibrate the display such that the display outputs a first signal having a first waveform. The electronic device obtains a second signal having a second waveform through the microphone in response to the output of the first signal. In addition, the processor controls the display based on a result of comparing the first waveform and the second waveform.