Abstract: A fitness device includes two support frames mounted in a box, two driving motors mounted on the two support frames, a pull rope reel connected to the driving motors, a fitness pull rope wound around the pull rope reel and extending out of the box, and a control system for controlling the driving motors. The control system includes a main controller, a power module, a communication module connected to the main controller, a driving circuit and a sampling module electrically connected to the driving motors and the main controller. The power module is electrically connected to the main controller and the communication module. The driving circuit is electrically connected to the power module, the main controller and the driving motors. The two symmetrical driving motors are used to drive the pull rope reel to drive the fitness pull rope, such that shakes and vibrations generated during exercise can be offset.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: A substituted pyrazolo[1,5-alpyrimidin-7-amine derivative, the structure of which is represented by formula (1), or pharmaceutically acceptable salts, solvates, stereoisomers, prodrugs, drug compositions thereof. The derivative has significant CDK9-selective inhibitory activity.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.

Abstract: A device for automatically removing margins of rubber sealing rings in high-precision includes a vibrating plate, an installation platform, a motor assembly and a core rod, wherein the motor assembly is arranged on the lower part of the installation platform, the core rod is arranged above the motor assembly, the core rod is a metal rod, the top of which is tapered, a clamping apparatus, an auxiliary apparatus and a margin-removing apparatus are arranged beside the core rod, a product-conveying belt and a buffer conveyor belt are arranged on the installation platform, one side of the core rod far away from the product-collecting box is further provided with an air-pumping apparatus and an air-blowing apparatus. A method for automatically removing margins of rubber sealing rings in high-precision includes: automatically positioning, removing outer margins, removing inner margins step-by-step and automatically collecting.

Abstract: A nonlinear magnetic force-based arched piezoelectric ceramic energy harvesting deceleration strip, which comprises an outer case and an internal generating mechanism. The outer case structure comprises an upper deceleration strip and a casing. The casing is embedded in the pavement structure by excavating the upper part of surface course. A rebounding mechanism is located between the upper deceleration strip and casing to restore the pressed upper deceleration strip. Features: the generating mechanism comprises a rack, a gear set and generating discs. The rack is disposed at the bottom of the upper deceleration strip and moving up and down therewith. The rack can drive the gear set to generate acceleration, and the transmission shafts drive the left and right generating discs to rotate. The gear set is combined with three transmission shafts.

Abstract: A polymer modulator including a waveguide core defined over an insulating layer and having a first passive region including a light input, a second passive region including a light output, and an active region optically coupling the passive regions into a continuous waveguide core between the input and output. The waveguide core in the first and second passive regions including one of sol-gel and SiO2 surrounded by cladding including one of sol-gel and SiO2. The cladding in the passive regions having a first refractive index, the waveguide core in both regions having a second refractive index at least 0.01 higher than the first refractive index. The waveguide core in the active region including sol-gel, a cladding layer of sol-gel positioned between the insulating layer and the waveguide core, the refractive index of the waveguide core is at least 0.01 higher than the refractive index of the cladding layer.

Abstract: An EO polymer modulator with conformal atomic layer deposition sealant layers including an active region of a device material stack with an elongated tapered active section positioned on a passive waveguide core. The device material stack supported on a substrate with the passive waveguide core defining light input and light output side surfaces. A conformal atomic layer deposition sealant layer overlying the device material stack including the light input and light output side surfaces, the conformal atomic layer deposition sealant layer defining windows for the light input and light output side surfaces.

Abstract: An EO polymer modulator including a substrate with a cladding layer formed on a surface and a passive waveguide core, having a cross-sectional area, formed in the cladding layer and including an elongated tapered active section. An elongated trench in the cladding layer, the elongated tapered active section of the waveguide core positioned in the elongated trench, electrodes positioned on a surface of the cladding layer on opposite sides of the elongated trench, and an elongated strip of EO polymer overlying the elongated tapered active section of the waveguide core. The elongated strip of EO polymer positioned between and parallel with the electrodes and coplanar with the electrodes.

Abstract: An EO polymer modulator with conformal atomic layer deposition sealant layers including an active region of a device material stack with an elongated tapered active section positioned on a passive waveguide core. The device material stack supported on a substrate with the passive waveguide core defining light input and light output side surfaces. A conformal atomic layer deposition sealant layer overlying the device material stack including the light input and light output side surfaces, the conformal atomic layer deposition sealant layer defining windows for the light input and light output side surfaces.

Abstract: An EO polymer modulator including a substrate with a cladding layer formed on a surface and a passive waveguide core, having a cross-sectional area, formed in the cladding layer and including an elongated tapered active section. An elongated trench in the cladding layer, the elongated tapered active section of the waveguide core positioned in the elongated trench, electrodes positioned on a surface of the cladding layer on opposite sides of the elongated trench, and an elongated strip of EO polymer overlying the elongated tapered active section of the waveguide core. The elongated strip of EO polymer positioned between and parallel with the electrodes and coplanar with the electrodes.

Abstract: A nonlinear magnetic force-based arched piezoelectric ceramic energy harvesting deceleration strip, which comprises an outer case and an internal generating mechanism. The outer case structure comprises an upper deceleration strip and a casing. The casing is embedded in the pavement structure by excavating the upper part of surface course. A rebounding mechanism is located between the upper deceleration strip and casing to restore the pressed upper deceleration strip. Features: the generating mechanism comprises a rack, a gear set and generating discs. The rack is disposed at the bottom of the upper deceleration strip and moving up and down therewith. The rack can drive the gear set to generate acceleration, and the transmission shafts drive the left and right generating discs to rotate. The gear set is combined with three transmission shafts.

Abstract: An inflating device comprises a valve body and a gasbag, the valve body being provided with a gas inlet, a gas outlet and a gas storage chamber; the gas inlet has a gas intake valve device provided therein, and the gas outlet has a gas exhaust valve device provided therein; the gas storage chamber is communicated with the gasbag; and the gas inlet is communicated with the gas outlet through a chamber body of the valve body, and the gas storage chamber is communicated with the chamber body. In the invention, gas can be fed into an inflatable product by continually pressing with hands, without requiring electricity or blowing with mouth. The inflating device of the invention is convenient to operate, clean and sanitary. The inflating device of the invention has a small volume and is thus convenient to carry.

Abstract: A polymer modulator including a waveguide core defined over an insulating layer and having a first passive region including a light input, a second passive region including a light output, and an active region optically coupling the passive regions into a continuous waveguide core between the input and output. The waveguide core in the first and second passive regions including one of sol-gel and SiO2 surrounded by cladding including one of sol-gel and SiO2. The cladding in the passive regions having a first refractive index, the waveguide core in both regions having a second refractive index at least 0.01 higher than the first refractive index. The waveguide core in the active region including sol-gel, a cladding layer of sol-gel positioned between the insulating layer and the waveguide core, the refractive index of the waveguide core is at least 0.01 higher than the refractive index of the cladding layer.

Abstract: A polymer modulator includes a first cladding layer, a passive core region with a surface abutting a surface of the first cladding layer, the passive core region extending to define an optical input and an optical output for the modulator, a shaped electro-optic polymer active component with a surface abutting a surface of a central portion of the passive core region, the shaped electro-optic polymer active component being polled to align dipoles and promote modulation of light, the shaped electro-optic polymer active component having a length that extends only within a modulation area defined by modulation electrodes, and a second cladding layer enclosing the shaped electro-optic polymer active component and designed to produce adiabatic transition of light waves traveling in the passive core region into the shaped electro-optic polymer active component to travel the length of the shaped electro-optic polymer active component and return to the passive core region.

Abstract: An inflation system includes a base, an adjuster and a first sealing device. The base is provided with a receiving cavity, an air inlet and an inflation inlet, the adjuster is rotatably configured in the receiving cavity, and the first sealing device is adapted for sealing the inflation inlet. The adjuster is turnable between a communication position and a separation position to open or close the inflation inlet, at the communication position, the first sealing device is openable under an action of high pressure air to communicate the inflation inlet with the air inlet; at the separation position, the adjuster stops high pressure air from opening the first sealing device thereby separating the inflation inlet from the air inlet. Different air passages can be selected in the invention, and the usage is convenient and safe.