Abstract: A method implemented by a visible light communication (VLC) device comprises determining, by a processor of the VLC device, n time slots for a signal block based on a dimming value, the signal block specifying a predetermined duration of time and the signal block being divided equally into n time slots, with the dimming value specifying a light intensity of light to be emitted by the light source, determining, by the processor, w pulses to be transmitted during one or more of the n time slots of the signal block, based on the dimming value and according to a pulse pattern indicating a position of the w pulses transmitted during the one or more of the n time slots, and determining, by the processor, a codeword based on n and w, the codeword corresponding to the pulse pattern.

Abstract: The invention relates to a tenofovir prodrug and pharmaceutical uses thereof. In particular, the invention relates to a compound as shown in general formula (I): and its isomer, pharmaceutically acceptable salt, hydrate or solvate, as well as their uses in preparing drugs for treating viral infectious diseases, especially HIV infection, hepatitis B, or diseases caused by hepatitis B virus, wherein the definition of each substituent in the general formula (I) is as defined in the specification.

Abstract: A light-bar structure includes a first substrate, a second substrate, and an insulation layer. The first substrate includes a first anode region and a plurality of element regions. Each of the element regions is configured to allow a light-emitting element to be disposed on. At least one of the element regions includes an anode portion and a node portion. The anode portion is connected to the first anode region. The second substrate includes a grounding region and a second anode region. The anode portion is disposed correspondingly to the grounding region. The node portion is disposed correspondingly to the second anode region. The insulation layer is disposed between the first substrate and the second substrate.

Abstract: A composition is disclosed that includes fluorinated polymer and a non-fluorinated polymer. The fluorinated polymer includes first divalent units independently represented by formula and second divalent unit independently comprising a pendent cationic, anionic, amphoteric, or amine-oxide group or a pendent poly(alkyleneoxy) segment. The non-fluorinated polymer is R2O-(EO)p—(R3O)q-(EO)p—R2 or R2O—(R3O)q-(EO)p—(R3O)q—R2. A method of making the composition and methods of reducing the surface tension of a liquid and a method of treating a hydrocarbon-bearing formation are also disclosed.

Abstract: This disclosure is directed at specific acrylic PSA compositions that are capable of resisting a broad array of solvents. Acrylic PSA's primarily derived from C?1#191-C?4#191 acrylate monomers and functional acrylates exhibit a strong resistance to a wide array of solvents, including both polar and non-polar solvents.

Abstract: Disclosed are a compensation network, switching power supply circuit and a circuit compensation method; in the compensation network: an output end of the resistance capacitance network is cascaded to an input end of the unity gain amplifier network, and an output end of the unity gain amplifier network is cascaded to an input end of the error amplifier network; the resistance capacitance network is configured to provide a voltage dividing resistor, and generate a zero and a pole which are mutually canceled; the unity gain amplifier network is configured to generate a zero for canceling a pole in a low pass filter network, and a pole for suppressing a high-frequency noise and improving a phase margin of a switching power supply circuit; and the error amplifier network is configured to generate a pole for increasing low-frequency gain and a zero for canceling another pole in the low pass filter network.

Abstract: Embodiments of the disclosure provide a method and an apparatus for keyword-based text retrieval. The method comprises: performing word segmentation on an initial text for retrieval after receiving a retrieval instruction from a user to obtain keywords included in the initial text; displaying each of the keywords of the initial text; and after receiving, from the user, a keyword retrieval instruction for the displayed one or more keywords, performing retrieval based on a keyword selected by the user. The retrieval efficiency and retrieval experience for users is efficiently improved through the technical solutions provided in the disclosed embodiments.

Abstract: Processing tapes have special properties to permit them to be used to prepare laminate articles, such as security articles. The processing tapes include a backing, a pressure sensitive adhesive layer and a release surface covering the pressure sensitive adhesive layer. The backing is a dimensionally stable transparent polymeric film, and the surface on which the pressure sensitive is coated may be a treated surface. The pressure sensitive adhesive is a transparent pressure sensitive adhesive that includes a crosslinked (meth)acrylate-based polymer and has a refractive index in the range of 1.45-1.55. The (meth)acrylate-based polymer includes alkyl (meth)acrylate monomers and may include acidic monomers.

Abstract: A system for threat detection in an industrial production environment comprises a programmable logic controller. This programmable logic controller includes a process image updated according to a scan cycle with process data associated with one or more field devices, a program configured to operate the one or more field devices using the process data, and one or more function blocks. These function blocks are configured to monitor the process data in the process image during each scan cycle, and identify a possible cyberattack based on the process data.

Abstract: The present invention is an adhesive composition for stabilizing an electrical conductor. The adhesive composition includes a base polymer and an additive for absorbing UV light, such as a benzotriazole or a benzophenone. When the adhesive composition is in contact with the electrical conductor, the electrical conductor has less than about a 20% change in electrical resistance over a period of about 500 hours.

Abstract: A displacement controlling device comprises a shaft having a displacement region, a movable unit connected to the shaft and configured to move within the displacement region, a damper connected to one end of the shaft, and a restraint unit arranged between the movable unit and the damper, wherein the restraint unit is configured to be driven by the movable unit from a first position toward a second position; the damper outputs a resistance when the restraint unit is at the first position, and the damper stops outputting the resistance if the restraint unit is at the second position.

Abstract: A composition is disclosed. The composition comprises at least one polymeric colorant having a polymer component with a colorant component covalently bound thereto, a medicament, and a liquid vehicle. The at least one colorant component does not react directly or indirectly with the medicament. Methods of using the polymeric colorants, including a method for the preparation of skin as a site for a surgical procedure and a method of treating a medical condition, are also provided.

Abstract: In a window covering system and a window covering control apparatus thereof, the window covering control apparatus comprises a driving module, a damping output module, and a damping control module. The damping output module and the driving module are configured to operate simultaneously. The driving module may drive the damping output module to provide damping to the driving module. The damping control module comprises a control detecting unit and a fitting unit. The control detecting unit comprises a detecting portion and a stopper portion, which are detachably engaged. During an expansion of a covering material, the driving module drives the damping output module to provide damping to the driving module; when the stopper portion is driven apart by the detecting portion from the fitting unit, the driving module operates independently of the damping output module to stop the damping output module from providing damping.

Abstract: Conformable coating composition are described comprising a (meth)acrylate copolymer comprising interpolymerized monomer units of fluorinated monomer and a volatile solvent having a solubility parameter from 4.9-12.5 (cal/cm3)1/2. In some embodiments, the fluorinated monomer has a Tg <30° C. In some embodiments, the dried coating exhibits no blocking and no greater than 75% failure at an elongation of 100%. Also described is a conformable film comprising a dried coating composition of the coating compositions described herein, articles comprising a layer of the conformable film on a substrate, and a copolymer comprising interpolymerized units of fluorinated monomer(s), silane monomer(s); and one or more monomers having a Tg ?50° C.

Abstract: An apparatus comprising a first transceiver unit (TU) for coupling to a first subscriber line, at least one next TU for coupling to at least one next subscriber line, and a processor coupled to the first TU and the at least one next TU, wherein the processor is configured to determine a link state in which data transmission is disabled for the duration of one or more symbols in a superframe, instruct the first TU to operate in the determined link state, and coordinate data transmission by the first TU and the at least one next TU to avoid an increase of crosstalk from the first line to the at least one next subscriber line due to the first TU operating in the determined link state.

Abstract: A method for controlling converter such as a Flyback converter is disclosed. A load of the Flyback converter varies between zero and a peak value. The method includes: a load detecting step for detecting the load; and an operating mode control step for controlling the Flyback converter to switch between two or more of a continuous conduction mode, a valley conduction mode and a burst mode according to the load. A converter such as a Flyback converter is also provided.

Abstract: Disclosed are a compensation network, switching power supply circuit and a circuit compensation method; in the compensation network: an output end of the resistance capacitance network is cascaded to an input end of the unity gain amplifier network, and an output end of the unity gain amplifier network is cascaded to an input end of the error amplifier network; the resistance capacitance network is configured to provide a voltage dividing resistor, and generate a zero and a pole which are mutually canceled; the unity gain amplifier network is configured to generate a zero for canceling a pole in a low pass filter network, and a pole for suppressing a high-frequency noise and improving a phase margin of a switching power supply circuit; and the error amplifier network is configured to generate a pole for increasing low-frequency gain and a zero for canceling another pole in the low pass filter network.

Abstract: A sensing apparatus may be provided capable of detecting a hit by a projectile, such as a BB pellet. The sensing apparatus may include a surface and accelerometer to detect the acceleration of the surface. A processor may determine whether a projectile hit has occurred. The sensing apparatus may be mounted onto a vehicle. The vehicle may be a robot capable of participating in a game. The robot game may occur within a facility.

Abstract: Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.