Abstract: A liquid crystal display (LCD), an electronic device, and an LCD manufacturing method, where the LCD includes transparent material layers and several non-transparent material layers that are disposed in a stacked mode. There is a local transparent region on the LCD. A non-transparent material is applied to the several non-transparent material layers in the local transparent region to form a transparent channel in the local transparent region along a stacking direction. An optical component such as a camera, an ambient light sensor, or an optical fingerprint sensor is completely or partially disposed in the transparent channel of the LCD display.

Abstract: The present invention discloses a hyperbranched cationic mussel-imitated polymer and a method of preparing the same. The hyperbranched polymer disclosed in the present invention has the excellent mussel-imitated non-selective adhesive property, good biocompatibility and adhesive strength adjustability. The method of the present invention comprises the following steps: (A) adding an initiator, a RAFT agent and a first reaction mixture to a vessel containing DMF to form a second reaction mixture; (B) stirring the second reaction mixture until homogenous, and introducing argon to a reaction system to remove oxygen in the reaction system; (C) heating and stirring the second reaction mixture to carry out a reaction; (D) after a product with a desired molecular weight being produced, the reaction system being exposed to air and cooled rapidly in a cold water bath to terminate the reaction; and (E) purifying the product to obtain the hyperbranched cationic mussel-imitated polymer.

Abstract: The present invention discloses a film for a medicine packaging and a method of preparing the same. The film for the medicine packaging comprises a polymer film layer, a graphene composite layer and a light-curable adhesive, wherein the polymer film layer is bonded with a graphene composite layer by a light-curable adhesive, the graphene composite layer comprises multiple graphene layers bonded by the light-curable adhesive; and the light-curable adhesive comprises a hyperbranched cationic mussel-imitated polymer comprising a multi-hydroxylbenzoylbenzamide ene amide monomer, a cationic monomer and a photo-responsive monomer. The present invention provides strong adhesion with reduced adhesive layer, allowing greatly increasing the number of the graphene layers in the graphene composite layer without obvious increase in the total thickness and mass.

Abstract: A piano system is provided. A system including a keyboard including a plurality of keys; a plurality of sensors connected to the plurality of keys; a screen; at least one processor, and a non-transitory computer readable medium comprising instructions, the instructions, when executed by the at least one processor, causing the system to effectuate a method comprising: dividing the plurality of sensors into a first group and a second group; receiving a first sensor signal from the first group and a second sensor signal from the second group; generating a first parameter for the first group and a second parameter for the second group; generating a first sound control signal for the first group and a second sound control signal for the second group; generating visual information related to the first and the second sensor signal; and displaying the visual information on the screen.

Abstract: A substrate structure and methods for method for attaching a flexible substrate and for peeling off a flexible substrate are disclosed. The substrate structure includes a carrier substrate and a flexible substrate disposed on the carrier substrate, the substrate structure further including a bonding layer interposed between the carrier substrate and the flexible substrate, or more than one bonding layers parallel interposed between the carrier substrate and the flexible substrate, wherein the bonding layer includes an electroviscosity layer, viscous strength of which changes under effect of electric field, the electroviscosity layer is disposed on a contact surface between the bonding layer and the flexible substrate.

Abstract: A piano system with key assisted user input may include one or more execution devices, one or more sensors, at least one signal processing circuit, a processor and a display. The one or more sensors may be configured to detect a signal indicating a status change of at least one of the one or more execution devices. The at least one signal processing circuit may be configured to generate a control signal for controlling an input of a computer device in response to the signal detected by the one or more sensors. The processor may be configured to process the control signal to determine content to be displayed on a user interface. The display may be configured to display the determined content on the user interface.

Abstract: A musical system may include one or more storage media, at least one processor, one or more sensors corresponding to keys of a musical instrument, and a display. The storage media may be configured to store a set of instructions for modifying a music score for a user based on a performance level of the user. The at least one processor may be configured to communicate with the one or more storage media. When executing the set of instructions, the processor is directed to determine a user performance level of a user and provide a modified music score for the user based on the user performance level. The sensors may be configured to sense a motion of at least one key of the keys and generate a key signal accordingly. The display may be configured to display the modified music score.

Abstract: A smart musical instrument system for replaying user performance with auto-play, electronic sound source or video, the system may include a musical instrument, a plurality of sensors, and a processing device. The plurality of sensors may be configured to obtain performance data of a user. The plurality of sensors may include a first sensor configured to obtain first performance data of the user. The performance data may include the first performance data indicating operations of a musical instrument. The processing device may be in communication with the plurality of sensors. The processing device may be configured to compare the performance data with reference music data to generate a comparison result and generate feedback based on the comparison result.

Abstract: The present disclosure relates to a method and system for providing tutorial functions. The method may include obtaining a piece of music selected by a user; determining a display mode that configures one or more display categories and a layout of the one or more display categories on a user interface; obtaining one or more content items corresponding to the one or more display categories, respectively, the one or more content items being associated with the piece of music; and generating an instruction to display the one or more content items on the user interface according to the layout.

Abstract: Systems and methods for musical performance are provided. In some embodiments, a system for musical performance includes a processing device to: receive performance information related to a first performance of a piece of music on a first musical instrument; generate at least one control signal based on the performance information; and produce a second performance based on the control signal, wherein to produce the second performance, the processing device is further to: control at least one tone generating device of a second musical instrument to perform the music using the control signal.

Abstract: A method relating to synchronize MIDI file with video includes acquiring a video and a MIDI file, and identifying timing of a video frame. The method also includes converting timing into tick information and editing a tick of the MIDI file. The method further includes detecting the MIDI file corresponding to the video frame, and playing a musical instrument based on the MIDI file corresponding to the video.

Abstract: The present disclosure provides a magnetometer body and a three-axis Induction Magnetometer (IM) using the same. The magnetometer body comprises: a magnetic core structure with an H-shaped longitudinal section, having a middle portion being an elongated rod-shaped magnetic core and two end portions being disk-shape magnetic flux concentrators; and an induction coil evenly wounded around a perimeter of the magnetic core in the magnetic core structure. In the present disclosure, disk-shape magnetic flux concentrators are fixed on two ends of the elongated magnetic core to collect magnetic flux, which is equivalent to increasing a length-diameter ratio of the magnetic core, thereby breaking through a noise limit of a conventional IM in a limited space.

Abstract: The present disclosure relates to a method and system for calibrating a musical device. In some embodiments, a method for calibrating a musical device includes: energizing an actuator to actuate a key using a force corresponding to a first intensity level; obtaining, from a sensor, a first sensor signal representing motion information of the key corresponding to application of the force; and calibrating the musical device based on the first sensor signal.

Abstract: The present disclosure relates to a method and system for calibrating a musical device. In some embodiments, a method for calibrating a musical device includes: determining a first time corresponding to a first instruction that instructs a driving device to actuate a first component of a musical device using a first force; receiving first sensor data relating to motion information of the first component; determining a second time based on the first sensor data; determining, by a hardware processor, a first time deviation based on the first time and the second time; and calibrating the musical device based on the first time deviation.

Abstract: A smart musical instrument system may include a musical instrument, a first sensor, a second sensor, a processor device, and a reminder device. The first sensor may be configured to obtain first performance data reflecting operations of the musical instrument. The may be second sensor configured to receive second performance data associated with hand posture of a user of the smart instrument system. The processor device may be in communication with the first sensor and the second sensor, and may be configured to generate feedback based on at least one of the first performance data or the second performance data. The reminder device may be configured to deliver the feedback to the user.

Abstract: A novel mussel-inspired injectable hydrogel with self-healing and anti-biofouling capabilities is developed, possessing great potential as drug delivery carrier. The hydrogel can heal autonomously from repeated structural damage and also effectively prevent nonspecific cell attachment and biofilm formation.

Abstract: A nasal irrigation diagnostic assembly comprising an irrigation device including a fluid collection portion structured to retain a biological sample, in the form of waste solution from the nasal cavity resulting from irrigation. A detection member disposed on said irrigation device is exposed to the biological sample and is structured to determine the existence of at least one analyte within the biological sample of the waste solution. The detection member comprises a plurality of detection zones individually structured to analyze the biological sample upon engagement therewith, wherein said plurality of zones include at least a reaction zone and a detection zone, which respectively include reagents cooperatively and collectively formulated to detect the existence of the at least one analyte within biological sample of the waste solution. A control zone may also be included to indicate the intended operability of at least the detection member.

Abstract: This present disclosure relates to a method for preparation of polyvinylidene fluoride membrane with functional anthraquinones. The method is carried out according, to the following steps: step 1: preparing 2-(1-hydroxy-3-butene)-1,4,5,8-tetramethoxyl naphthalene; step 2: preparing polyvinylidene fluoride-aromatic ether copolymers: polyvinylidene fluoride was used as the initiator, 2-(1-hydroxy-3-butene) -1,4,5,8-tetramethoxynaphthalene was the monomer, N,N-dimethylformamide was solvent, cuprous chloride/Me6TREN was the catalytic, polyvinylidene fluoride-aromatic ether copolymer was synthesized by atomic transfer radical polymerization; step 3: reducing the polyvinylidene fluoride-aromatic ether copolymer to quinone by demethoxy oxidation; step 4: using the product of step 3 and N, N-dimethylformamide a film-forming reagents, then scraping into a membrane. Further, the anthraquinone which fixed in the polyvinylidene fluoride membrane would not fall off.

Abstract: A nasal irrigation diagnostic assembly comprising an irrigation device including a fluid collection portion structured to retain a biological sample, in the form of waste solution from the nasal cavity resulting from irrigation. A detection member disposed on said irrigation device is exposed to the biological sample and is structured to determine the existence of at least one analyte within the biological sample of the waste solution. The detection member comprises a plurality of detection zones individually structured to analyze the biological sample upon engagement therewith, wherein said plurality of zones include at least a reaction zone and a detection zone, which respectively include reagents cooperatively and collectively formulated to detect the existence of the at least one analyte within biological sample of the waste solution. A control zone may also be included to indicate the intended operability of at least the detection member.