Abstract: The present invention relates to a Cu-based catalyst, a preparation process thereof and its use as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst contains copper, at least one auxiliary metal selected from metal of Group IIA, non-noble metal of Group VIII, metal of Group VIB, metal of Group VIIB, metal of Group IIB and lanthanide metal of periodic table of elements, and an alkali metal, and further contains at least one ketone additive selected from a ketone represented by formula (II) and a ketone represented by formula (II?). Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin. R1-C(?O)—CH(OH)—R2??(II) R1-C(?O)—CH(?O)—R2??(II?) In formulae (II) and (II?), each group is defined as in the description.

Abstract: A User Equipment (UE) including a wireless transceiver and a controller is provided. The wireless transceiver performs wireless transmission and reception to and from a mobile communication network. The controller determines whether a trigger condition is met. In response to the trigger condition being met, the controller reports a first value representing a first Rank Indicator (RI) or a second value representing the UE's capability of Multiple-Input-Multiple-Output (MIMO) layers to the mobile communication network via the wireless transceiver. In particular, the first value is less than a third value representing a second RI derived from a measurement by the UE, or the second value is less than a fourth value representing a number of maximum MIMO layers supported by the UE.

Abstract: An integrated haptic system may include a digital signal processor and an amplifier communicatively coupled to the digital signal processor and integrated with the digital signal processor into the integrated haptic system. The digital signal processor may be configured to receive a force sensor signal indicative of a force applied to a force sensor and generate a haptic playback signal responsive to the force. The amplifier may be configured to amplify the haptic playback signal and drive a vibrational actuator communicatively coupled to the amplifier with the haptic playback signal as amplified by the amplifier.

Abstract: A semiconductor package structure includes a first package, a second package over the first package, a plurality of connectors between the first package and the second package and a plurality of baffle structures between the first package and the second package. The second package includes a bonding region and a periphery region surrounding the bonding region. The connectors are disposed in the bonding region to provide electrical connections between the first package and the second package. The baffle structures are disposed in the periphery region and are separated from each other.

Abstract: A wireless communication method for reducing the receival of unwanted data is provided. The wireless communication method for a TCP session includes the steps of determining whether a TCP session associated with a first subscriber identity module (SIM) of the UE is not required; and in response to determining that the TCP session is not required, the processor terminates the TCP session.

Abstract: An object characteristic locating device is provided, which includes a camera module and a processing module. The camera module is configured to capture an image from a front scene. The processing module is configured to perform the following operations: locating a position of an image object in the captured image, and determining a framing range with the image object from the captured image; and preforming image processing on the framing range according to a characteristic of the image object, so as to locate the position of an image characteristic portion of the image object in the captured image.

Abstract: An imaging device includes a light emitter, an optical diffraction plate, a pair of wedge prisms, a rotation unit, a light receiver, and a processing unit. The light emitter emits a light beam. The optical diffraction plate is for converting the light beam into a plurality of diffracted light rays that forms a first light spot. The pair of wedge prisms is for adjusting an emission direction of the first light spot. The rotation unit is connected to the pair of wedge prisms and is for rotating the pair of wedge prisms relative to each other. The light receiver is for receiving a plurality of second light spots reflected from the plurality of first light spots. The processing unit is connected to the light receiver and is for generating a plurality of pieces of light spot information and processing the plurality of pieces of light spot information into image information.

Abstract: An electrical connector includes a contact module essentially composed of a plurality of contacts integrally formed within an insulator via an insert-molding process. The insulator includes a base, tongue extending forwardly from the base, and a mounting port extending rearwardly from the base. The contact includes a front contacting section exposed upon the tongue, a rear soldering tail exposed outside of the base and a middle retaining section therebetween. A groove is formed between the base and the mounting port to expose middle sections of the contacts. An insulative housing is over molded upon the contact module for not only forming an exterior structure of the connector but also filling the groove for enhancing sealing between the contacts and the insulator.

Abstract: The present invention belongs to the technical field of metal materials for additive manufacturing, and relates to a Mn—Cu-based damping alloy powder for use in a selective laser melting (SLM) process and a preparation method thereof. The powder has chemical components in percent by weight as follows: C: ?0.15%, Ni: 4.9-5.2%, Si: ?0.15%, Fe: 1.8-5.0%, Cu: 20-23%, P: ?0.03%, S: ?0.06%, and the balance being Mn and inevitable impurities. The preparation method includes: preparation of master alloy, powdering by vacuum induction melting gas atomization (VIGA), mechanical vibrating and air classification screening under protection of an inert gas and collecting. Compared with the prior art, the powder of the present invention has a high sphericity, a high apparent density, a small angle of repose, a desired fluidity and a relatively high yield of fine powders having a size of 15-53 ?m.

Abstract: An electrical connector includes: a housing having a base, a front tongue, and a rear mount; an upper and lower rows of contacts arranged in the housing and exposed respectively to two opposite surfaces of the tongue; an insulative shell mounted to the base and including a pair of mounting lugs, each mounting lug having a hole; and a metallic shell shielding the rear mount, wherein the metallic shell has a pair of securing arms fastened to the pair of mounting lugs.

Abstract: An electrical connector includes: an insulative housing having a base and a tongue, the base having a front face for abutting a front end face of a mating connector; and plural contacts arranged in an upper and lower rows and exposed respectively to an upper and lower surfaces of the tongue, wherein the insulative housing is devoid of a step between the base and the tongue, and a length measured from a front end face of the tongue to the front face of the base is about 2.85 mm A complementary electrical connector is devoid of a grounding piece in front of plural contacts thereof, and a length measured from a front end face of a shell thereof to mating points of the contacts is about 1.05 mm.

Abstract: An object characteristic locating device is provided, which includes a camera module and a processing module. The camera module is configured to capture an image from a front scene. The processing module is configured to perform the following operations: locating a position of an image object in the captured image, and determining a framing range with the image object from the captured image; and preforming image processing on the framing range according to a characteristic of the image object, so as to locate the position of an image characteristic portion of the image object in the captured image.

Abstract: An electrical connector includes: an insulative housing having a front tongue with two opposite surfaces; and a first and second rows of contacts with contacting portions exposed to the two opposite surfaces of the tongue; wherein the first row of contacts include a row of contacts from a first contact carrier of a first thickness and a row of contacts from a second contact carrier of a second thickness less than the first thickness; and the row of contacts from the first contact carrier and the row of contacts from the second contact carrier are molded to form the first row of contacts. A method of making a contact module of the electrical connector is characterized by molding the row of contacts from the first thicker contact carrier and the row of contacts from the second thinner contact carrier to form the first row of contacts.

Abstract: Provided herein are lipid nanoparticle formulations that comprise an ionizable lipid and non-viral, capsid-free DNA vectors with covalently-closed ends.

Abstract: Embodiments of compositions of a wet etchant and additive thereto for selectively etching silicon nitride to silicon oxide are disclosed. In an example, a composition of an additive to a phosphoric acid etchant includes an inhibitor and a dispersant. The inhibitor is absorbable on a surface of silicon oxide and capable of inhibiting etching of the surface of silicon oxide by the phosphoric acid etchant. The dispersant is capable of reacting with a by-product of a reaction between the phosphoric acid etchant and at least one of silicon oxide and silicon nitride and reducing a viscosity of the phosphoric acid etchant.

Abstract: A method uses web servers to promulgate information from one server to another, instead of promulgating the information by the user to each server individually. A first server receives a first request for promulgating web-information from a user, locally promulgates the web-information, and sends a second request to at least one second website server to instruct the second website server to locally promulgate the web-information. The selection of the second server is done according to a preset configuration file which includes a relationship mapping between the first website server and the second website server. The relationship mapping may provide the user information related to the second website server based on the user information related to the first website server. The present disclosure further discloses a communication apparatus and a communication system.

Abstract: A method for processing audio data for output to a transducer may include receiving an audio signal, filtering the audio signal with a fixed filter having fixed filter coefficients to generate a filtered audio signal, and outputting the filtered audio signal to the transducer. The fixed filter coefficients of the fixed filter may be tuned by using a psychoacoustic model of the transducer to determine audibility masking thresholds for a plurality of frequency sub-bands, allocating compensation coefficients to the plurality of frequency sub-bands, and fitting the fixed filter coefficients with the compensation coefficients allocated to the plurality of sub-bands.

Abstract: The present invention discloses a method for controlling spectral properties of optical quantum states using quantum interference in cascaded waveguide structure comprises the following steps: adopting a multi-stage cascaded waveguide structure sequentially consisting of a segment of nonlinear medium, a segment of dispersive medium, . . . and a segment of nonlinear medium, or adopting a two-stage cascaded waveguide structure sequentially consisting of a segment of nonlinear medium, a segment of dispersion-controllable dispersive medium and a segment of nonlinear medium; pumping the multi-stage cascaded waveguide structure or two-stage cascaded waveguide structure by using pulsed laser to generate optical quantum states through the cascaded parametric process in the cascaded waveguide structure. The spectral property of the optical quantum state can be flexibly adjusted by changing the number of stages, the length and dispersion property of the dispersive media.

Abstract: An image depth decoder includes an NIR image buffer, a reference image ring buffer and a pattern matching engine. The NIR image buffer stores an NIR image inputted by a stream. The reference image ring buffer stores a reference image inputted by a stream. The pattern matching engine is coupled to the NIR image buffer and the reference image ring buffer, and performs a depth computation according to the NIR image and the reference image to output at least one depth value.

Abstract: Embodiments described herein relate to methods and apparatus for driving a haptic transducer with a driving signal. The method comprises estimating, based on a current through the haptic transducer and a terminal voltage across the haptic transducer, a back electromotive force, EMF, voltage representative of a velocity of a mass in the haptic transducer; comparing a phase of a voltage signal derived from the terminal voltage with a phase of the estimated back EMF voltage; and based on the comparison, adjusting a frequency or a phase of an output signal, wherein the driving signal is derived from the output signal, such that a frequency of the driving signal converges to a resonant frequency of the haptic transducer.