Abstract: A control device capable of providing rotational damping through an elastic force is provided directly at the base of an electronic product and includes an adjusting member and an elastic member. The adjusting member is rotatably provided at the base. The adjusting member has a bottom portion corresponding to a switch provided in the base. The adjusting member further has a head portion outside the base. The elastic member is provided between the adjusting member and the base. The elastic force of the elastic member acts between the head portion of the adjusting member and the base to change the rotational damping to which the adjusting member is subjected.

Abstract: A method including searching, on the basis of a voiceprint feature of a speaker, for an identifier of the speaker in a speaker registry, the voiceprint feature of the speaker being a parameter obtained according to a voice signal of the speaker captured by a microphone array; if position information corresponding to the identifier of the speaker in the speaker registry is different from position information of the speaker, updating the speaker registry, the position information of the speaker being a parameter obtained according to the voice signal of the speaker captured by the microphone array; and labeling the voice signal of the speaker with the identifier of the speaker, so as to track the speaker. The present disclosure enables voice tracking of multiple persons.

Abstract: In one embodiment, an aircraft includes one or more first wings configured to produce lift in a first direction when the aircraft is moving in a second direction that is substantially perpendicular to the first direction. The first wings may also produce a centripetal force when the aircraft is banking while moving in the second direction. The aircraft may also include one or more second wings affixed and oriented substantially perpendicular to the first wings and configured to produce a counter force in a third direction that is substantially perpendicular to both the first direction and the second direction. The counter force may reduce the centripetal force when the aircraft is banking.

Abstract: A grease pumping device includes a pump body, a driving mechanism, a plunger pair, a reversing valve and a lever mechanism. A switching action between each valve position of a valve core of the reversing valve is driven by the lever mechanism. An output rotating shaft drives a toggle member rotating therewith, and when the output rotating shaft rotates reciprocally in forward and reverse directions, the toggle member toggles the lever mechanism in the forward and reverse directions, such that the lever mechanism swings reciprocally. At least one of the lever mechanism and the toggle member is an elastic structure, when the output rotating shaft rotates, the toggle member contacts the lever mechanism and drives the valve core to operate, when the valve core is switched to a corresponding valve position, the toggle member and the lever mechanism slide relatively by elastic deformation of the elastic structure.

Abstract: An aerogel is formed by preparing metal-organic framework (MOF) aerogels by preparing a porous solid comprising a metal precursor for the metal-organic framework (MOF) aerogels, and transforming the metal precursor into the MOF by reacting the porous solid with organic ligands mixed with a solvent. The solvent is then removed by supercritical extraction and drying.

Abstract: Example methods and devices for processing a page are described. One or more pages of a designated website are acquired. The one or more pages are clustered to obtain one or more classes in accordance with page features of the pages. At least one class is selected as a list page set according to a page linking relationship between the one or more classes. It is not necessary to require an operator to manually involve in the process of establishing the list page set. The present techniques have simple operations and high accuracy rate, thereby improving an efficiency and reliability of establishing a list page library.

Abstract: A hydrophilic electrospinning biological composite scaffold material used for tissue regeneration and a preparation method and an application thereof are provided. Fibrinogen, L-arginine or an aqueous solution of hydrochloride thereof and a P(LLA-CL) solution are blended and an electrospinning technology is used to prepare the biological composite scaffold material. The biological composite scaffold material has an equilibrium contact angle that is less than 55°, is hydrophilic and has a good application prospect in repairing body tissue defects.

Abstract: In one embodiment, a system includes a laser configured to generate a laser beam and a laser-aiming module configured to aim the laser beam to be at least in part incident on a remotely located, continuously moving solar cell. The system also includes a controller configured to receive a feedback signal indicating a position of the laser beam relative to the remotely located, continuously moving solar cell and instruct the laser-aiming module to adjust the aiming of the laser beam based on the feedback signal.

Abstract: In one embodiment, an aircraft includes one or more first wings configured to produce lift in a first direction when the aircraft is moving in a second direction that is substantially perpendicular to the first direction. The first wings may also produce a centripetal force when the aircraft is banking while moving in the second direction. The aircraft may also include one or more second wings affixed and oriented substantially perpendicular to the first wings and configured to produce a counter force in a third direction that is substantially perpendicular to both the first direction and the second direction. The counter force may reduce the centripetal force when the aircraft is banking.

Abstract: In one embodiment, an aircraft includes a number of propellers Nprop, wherein each propeller comprises a diameter dprop, has a propeller efficiency ?prop, and is configured to absorb power pprop to rotate at a rate RPM to generate thrust for a flight speed V of the aircraft. The aircraft may further include a total power ptotal absorbed by the propellers that is approximately pprop×Nprop, a wing having a circulation distribution, wherein the wing comprises a wingspan B, a drag D that is approximately equal to ptotal×?prop/V. For V and B, the circulation distribution, dprop, and RPM substantially minimizes D.

Abstract: In one embodiment, a system includes a laser configured to generate a laser beam and a laser-aiming module configured to aim the laser beam to be at least in part incident on a remotely located, continuously moving solar cell. The system also includes a controller configured to receive a feedback signal indicating a position of the laser beam relative to the remotely located, continuously moving solar cell and instruct the laser-aiming module to adjust the aiming of the laser beam based on the feedback signal.

Abstract: A hydrophilic electrospinning biological composite stent material used for tissue regeneration and a preparation method and an application thereof are provided. An aqueous solution of Fibrinogen, L-arginine or hydrochloride thereof and a P(LLA-CL) solution are blended and an electrospinning technology is used to prepare the biological composite stent material. The biological composite stent material has an equilibrium contact angle that is less than 55°, is hydrophilic and has a good application prospect in repairing body tissue defects.

Abstract: Example methods and devices for processing a page are described. One or more pages of a designated website are acquired. The one or more pages are clustered to obtain one or more classes in accordance with page features of the pages. At least one class is selected as a list page set according to a page linking relationship between the one or more classes. It is not necessary to require an operator to manually involve in the process of establishing the list page set. The present techniques have simple operations and high accuracy rate, thereby improving an efficiency and reliability of establishing a list page library.

Abstract: A cylindrical magnetron sputtering target assembly includes a head and a main body connecting to the head. The main body includes a target, a protecting element located partially around the target, and an insulating assembly. The insulating assembly includes at least one insulating element. The insulating element is fastened to the inner sidewall of the inner plate.

Abstract: A magnetic core for cylindrical magnetron sputtering target includes a housing and a magnet array. The housing includes a mounting plate and a base. The magnet array is mounted in the mounting plate and is enclosed in the housing. The magnet array includes a plurality of magnet segments stacked end to end.

Abstract: A vacuum deposition device includes a coating chamber. The coating chamber defines a top wall and a bottom wall. A cooling device is defined in the top or bottom wall. The cooling device includes a cooling runner formed in the top or bottom wall defining the cooling device.

Abstract: An electronic device includes a housing. The housing includes a transparent substrate, a transparent texture layer, and a colored texture layer. The transparent texture layer is printed on the inner surface of the transparent substrate and has an uneven surface. The colored texture layer is printed on the uneven surface of the transparent texture layer. A three-dimensional effect printing method is also provided.

Abstract: A deformable connection mechanism includes an insert member, a socket member, a first shell and a second shell defining a through hole. The insert member extends form the first shell. The socket member is formed on the second shell. The insert member includes shaft body and an elastic head. The socket member includes a receiving hole communicating with the through hole and an elastic sidewall surrounding the receiving hole. The elastic head and the sidewall are deformable. The insert member is passable through the receiving hole. The elastic head has a size larger than that of the receiving hole.

Abstract: An electronic device includes a housing. The housing includes a transparent substrate, a transparent texture layer, and a colored texture layer. The transparent texture layer is printed on the inner surface of the transparent substrate and has an uneven surface. The colored texture layer is printed on the uneven surface of the transparent texture layer. A three-dimensional effect printing method is also provided.

Abstract: Systems and methods are provided for orienting an antenna in a communications system on a mobile platform to orient a peak of the antenna pattern in a direction associated with a signal source. A signal from a signal source is received at the antenna. A signal strength is measured from the received signal. A signal strength and a misalignment of the antenna along at least one axis are predicted according to a previous estimate of the signal strength, a previous estimate of the misalignment of the antenna, an estimated change in the signal strength, and a known change in the antenna orientation. The predicted signal strength and misalignment of the antenna are updated according to the measured signal strength to provide an estimate of a current misalignment of the antenna. The orientation of the peak of the antenna pattern is adjusted according to the estimated current misalignment of the antenna.