Abstract: There is provided wireless transmitter that includes a poly phase filter (PPF) configured to receive an input differential intermediate frequency (IF) signal and to generate an in-phase differential IF signal and a quadrature differential IF signal. The wireless transmitter further includes a transformer-based circuit configured to receive an input differential local oscillator (LO) signal and to generate an in-phase differential LO signal and a quadrature differential LO signal based on the input differential LO signal.

Abstract: A transparent conductive film is disclosed. The transparent conductive film includes a substrate; a first silver nanowire layer disposed on the substrate; and a protective layer disposed on the first silver nanowire layer, wherein the protective layer is a patternable photoresist and has an identical pattern as the first silver nanowire layer.

Abstract: According to one embodiment, an RF frontend IC device includes a first RF transceiver to transmit and receive RF signals within a first frequency band and a second RF transceiver to transmit and receive RF signals within a second frequency band that is different than the first frequency band. The RF frontend IC device further includes a converter and a multi-band local oscillator (LO) generator to provide LO signals to the converter. The multi-band LO generator includes a phase-lock loop (PLL) circuit operating at a PLL operating frequency, wherein the PLL operating frequency is outside of the first frequency band and the second frequency band. The multi-band LO generator also includes multiple frequency multipliers coupled to the PLL circuit to upscale the PLL operating frequency and to generate an LO signal having a frequency within a predetermined proximity from the frequency band.

Abstract: Provided is an aerogel blanket and a method for producing the same, wherein a catalyzed sol I sufficiently and uniformly impregnated into a blanket in an impregnation tank, and the catalyzed sol is allowed to stay in the impregnation tank for a specific time to control fluidity while achieving a viscosity at which the catalyzed sol can be easily introduced into the blanket, thereby forming a uniform aerogel in the blanket. As a result, the uniformity of pore structure and thermal insulation performance of an aerogel blanket are improved, the loss of raw materials is reduced through the impregnation process, the occurrence of process problems is reduced, and the generation of dust is reduced.

Abstract: A positioning method and apparatus for positioning a terminal by using various data combinations are disclosed. The present disclosure in at least one embodiment provides a positioning terminal by using data combinations, including a data collection unit for collecting n access point (AP) scan data items from each of n APs (n is a natural number), a combination generation unit for generating a plurality of data combinations by combining the n AP scan data items in units of k (k is integers from 3 up to n), a position estimation unit for estimating a plurality of preliminary positions of the terminal from the plurality of data combinations, a clustering unit configured to cluster the plurality of preliminary positions into at least one cluster according to distances or densities of the plurality of preliminary positions, and a position determination unit for determining a final position of the terminal based on at least one cluster.

Abstract: A transparent conductive film is disclosed. The transparent conductive film includes a substrate and a first silver nanowire layer. The transparent conductive film has a first absorption peak at 340 nm to 400 nm and a second absorption peak at 500 nm-650 nm, and a ratio of a maximum peak intensity of the first absorption peak to a maximum peak intensity of the second absorption peak is in a range of 2 to 5.5.

Abstract: A transparent conductive film is disclosed. The transparent conductive film includes a substrate and a first silver nanowire layer. The transparent conductive film has a first absorption peak at 340 nm to 400 nm and a second absorption peak at 500 nm-650 nm, and a ratio of a maximum peak intensity of the first absorption peak to a maximum peak intensity of the second absorption peak is in a range of 2 to 5.5.

Abstract: A server for managing data, according to various embodiments, may comprise: communication circuitry for receiving a data request from at least one electronic device; a cache for storing a plurality of update data according to an update time; and a processor for, when the data request is received from the electronic device, searching the cache for update data for a first period starting from a previous data request time to the time of receiving the data request, and transmitting at least one updated data of the first period to the electronic device.

Abstract: An electronic device provided by an embodiment of the present invention includes a host device, a display device, a first array antenna, a second array antenna and a third array antenna. A side of a base shell of the host device has an accommodating slot. An upper cover shell of the display device has a first and a second sides opposite to each other, wherein the first and second sides have a first and a second accommodating spaces. The first array antenna is arranged in the accommodating slot, and has a first beam facing a first axis. The second array antenna is arranged in the first accommodating space, and has a second beam facing a second axis. The third array antenna is arranged in the second accommodating space, and has a third beam facing a third axis. The first, the second and the third axes are different from one another.

Abstract: An electronic device provided by an embodiment of the present invention includes a body, a first, a second and a third array antennas. The body includes a first shell, which has a first and a second sides opposite to each other. The first array antenna is arranged in the first shell and adjacent to the first side, and has a first beam facing a first axis. The second array antenna is arranged in the first shell and adjacent to the second side, and has a second beam facing a second axis. The third array antenna is arranged in the first shell and located between the first and the second array antennas, and has a third beam facing a third axis. The first axis, the second axis and the third axis are different from one another. Accordingly, the electronic device can provide a stable connection quality and a higher transmission rate.

Abstract: A stator for a drive motor includes: a segmented stator core including a plurality of mounting portions; a bobbin equipped on each mounting portion of the plurality of the mounting portions and having a coil wound thereon; a first casing and a second casing coupled to the bobbin, respectively, at opposite sides of the bobbin with respect to the segmented stator core, and configured to enclose the coil; a passage formed in one of the first casing or the second casing, and configured to allow fluid communication with the inside of the first casing and the second casing; and a terminal portion integrally formed in a remaining one of the first casing or the second casing and configured to allow connection of the coil.

Abstract: A shoe tree includes a rear support member, a connecting member, a driving tube, a screw member, a limiting member, a fixing member, a universal member, a stretching member and two front support members. The shoe tree is characterized by integrating the conventional single-function shoe trees, allowing users to omit the time and action of replacing shoe trees when adjusting the shoe to a required shape according to their own needs. Users only need to use a single tool to complete all the actions in one go, so as to greatly improve its practicality and convenience. The shoe tree of the invention is designed with multiple functions to meet different usage needs.

Abstract: A system configured to perform scalable video encoding is provided. The system includes a memory; and a processing unit, wherein the processing unit is configured to: receive inter-layer data and a current picture, wherein the current picture has a base layer; upsample the inter-layer data to generate residual data and reconstruction data, wherein the inter-layer data includes a base mode flag; and encode the current picture to an enhanced layer using the upsampled inter-layer data based on a block type of the base layer and the base mode flag.

Abstract: Disclosed is an adaptive interface circuit for connecting a USB interface and a PCIe interface. The adaptive interface circuit includes a UAS protocol processing circuit, a data buffer, and an NVMe protocol processing circuit. The UAS protocol processing circuit receives a UAS command from a host via the USB interface and transmits a write-ready signal to the host according to the UAS command so that the host transmits host data to the data buffer according to the write-ready signal; the UAS protocol processing circuit also provides the UAS command to the NVMe protocol processing circuit. The NVMe protocol processing circuit generates X NVMe command(s) according to the UAS command; afterwards the NVMe protocol processing circuit starts transmitting X doorbell signal(s) to a storage device via the PCIe interface so as to let the storage device retrieve the host data from the data buffer according to the X NVMe command(s).

Abstract: An optical device is disclose herein. In some embodiments, an optical device includes an active liquid crystal element film, wherein the active liquid crystal element film comprises two base films, an active liquid crystal layer present between the two base films, wherein the active liquid crystal layer contains a liquid crystal compound and is capable of switching between a first oriented state and a second oriented state, and a polarizing coating layer, wherein the polarizing coating layer is present between one of the two base films and the active liquid crystal layer. The optical device is capable of varying transmittance, and can be used for various applications such as sunglasses, AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.

Abstract: A battery device with pressure relief valve includes a battery module, a holder, a shell surrounding the battery module, a first cover mounted to one end of the shell, a pressure relief valve, and a second cover mounted to the other end of the shell. The battery module includes a plurality of batteries interconnected in series or in parallel. The plurality of the batteries are fastened to the holder. The first cover has a fastening hole communicated with an inside of the shell and an outside. The pressure relief valve fastened in the fastening hole, has a base area and a thin area. The base area surrounds the thin area. Several portions of a middle of a bottom surface of the thin area are recessed inward to form a plurality of indentations intersected to form a dehiscent point located at a junction among the plurality of the indentations.

Abstract: A system and method for scalable video coding that includes base layer having lower resolution encoding, enhanced layer having higher resolution encoding and the data transferring between two layers. The system and method provides several methods to reduce bandwidth of inter-layer transfers while at the same time reducing memory requirements. Due to less memory access, the system clock frequency can be lowered so that system power consumption is lowered as well. The system avoids having prediction data from base layer to enhanced layer to be up-sampled for matching resolution in the enhanced layer as transferring up-sampled data can impose a big burden on memory bandwidth.

Abstract: A porous material including a composite oxide body containing calcium oxide, iron oxide, and silica, and a plurality of inter-connecting microchannel structures is provided. A preparing method of porous material is further provided. With the inter-connecting microchannel structures of the porous material and the advantages of high porosity and large specific surface area, the porous material has a bright prospect in the fields of catalysts, filters, adsorption materials, and fuel carriers.

Abstract: A precursor structure is provided. The precursor structure has the following chemical formula: ( La 2 ? Zr 2 - x ? M x ? O 7 ) · 1 2 ? ( La 2 - y ? M y ? ? O 3 ) , wherein M is a trivalent ion or a pentavalent ion, M? is a bivalent ion, x=0-1, y=0-1.5, and the precursor structure includes a pyrochlore phase. Since the pyrochlore phase may be transformed into the garnet phase through a lithiation process and the phase transition temperature is lower (e.g., 500-1000° C.), the precursor structure may be co-fired with the cathode material (e.g., lithium cobalt oxide (LiCoO2)) to form a thin lamination structure. That is, the thickness of the solid electrolyte may be effectively reduced, thereby improving the ionic conductivity of the solid electrolyte ion battery.

Abstract: The electronic device provided includes a housing with two first through holes and two second through holes, a light guiding structure, and a light source. A first section is provided between the two first through holes, and a second section is provided between the two second through holes. The length of the first section is less than the length of the second section. The light guiding structure includes a light guiding layer, a diffusion layer, and a light adjusting layer. The light adjusting layer is disposed at the position of the first section. The light source is disposed at a position that corresponds to an intersection of the first section and the second section. Light emitted by the light source passes through the light transmitting portion and the intersection, and is separately emitted through the first through holes and the second through holes along the light transmitting portion.