81 results about "Linear element" patented technology

The invention relates to a method of measuring an observable of a cat qubit. A quantum system includes a command circuit and a non-linear superconducting quantum circuit including a non-linear element and a resonant portion. The non-linear superconducting quantum circuit has first and second modes with respective resonant frequencies fa and fb. The method comprises: a) delivering (900), by the command circuit, microwave radiation at a frequency fb to drive the second mode, thereby causing the non-linear element to engineer a jump operator L2α= κ2a2−α2 stabilizing a two-dimensional manifold hosting the cat qubit, b) mapping (910) the observable to be measured to the Pauli operator Z in a cat qubit manifold of a size value which square modulus is greater than or equal to 2, and c) measuring (920) the value of the Pauli operator Z.

The utility model discloses an overvoltage protection assembly and system formed by voltage-sensitive nonlinear elements. The assembly comprises an insulating core tube, a plurality of nonlinear elements, a first electrode, a second electrode, an insulating cylinder, a cooling fan and a temperature sensor. The assembly can perform forced air cooling on the nonlinear element, and is timely in response, good in cooling effect, simple and compact in structure and easy to integrate.

The invention discloses a transformer current rising experiment method, which comprises the following steps of forming an experiment transformer through parallel compensation of a capacitor and a transformer, and providing capacitor current response for the experiment transformer by using the capacitor; constructing an equivalent inductance model and an equivalent capacitance model; applying an initial current response according to a rated current response of the transformer, calculating a capacitor current response, and adding a nonlinear element to obtain a nonlinear voltage response; updating the capacitor current response based on the nonlinear voltage response to obtain an updated capacitor current response; under the condition of considering the temperature effect, updating the updated capacitor current response again based on an equivalent inductance model to obtain a final capacitor current response; performing asynchronous frequency modulation, and updating the voltage response to obtain an updated voltage response; and calculating an experiment result based on the updated voltage response. The device is suitable for the transformer current rising experiment.

To achieve a wide band circularly polarized wave antenna.SOLUTION: A circularly polarized wave antenna includes a loop element, first to fourth linear elements 111 to 114, fifth to eighth linear elements 121 to 124, and first to fourth connection conductors 41 to 44. The loop element has substantially the same length as a first wavelength corresponding to a first frequency in a frequency band of a radiated radio wave. Each of the first to fourth linear elements 111 to 114 has a length of approximately half of the first wavelength, and has one end connected to a position obtained by equally dividing the loop element into approximately four in a circumferential direction, and the other end serving as a feeding point PP. Each of the fifth to eighth linear elements 121 to 124 has a length of substantially half of a second wavelength corresponding to a second frequency in the frequency band higher than the first frequency, and has one end connected to a position obtained by dividing a circle of the second wavelength into substantially four in the circumferential direction and the other end serving as the feeding point PP.SELECTED DRAWING: Figure 1

The application discloses an adjustable nonlinear dynamic vibration absorber and system, and has the technical scheme that a tuning mass block is slidably connected to the surface of a support plate, and first scissor structures are rotatably connected between the tuning mass block and the two ends of the support plate; the first scissor structures are provided with second scissor structures and dampers, the second scissor structures and the dampers can drive the first scissor structures to stretch and contract through elastic belts, the second scissor structures are provided with elastic elements for driving the second scissor structures to stretch and contract; the stretching direction of the elastic elements is parallel to the sliding direction of the tuning mass block, and is perpendicular to the damping direction of the dampers, so that the first scissor structures and the second scissor structures can realize vibration absorption through geometric nonlinearity when moving. The stiffness and damping characteristics of the application can be adjusted, and the linear elements can be used to realize nonlinear stiffness, damping and super-low natural frequency, and the problem of Duffing system instability that cannot be eliminated by traditional nonlinear vibration absorbers is solved.

The invention relates to the technical field of tungsten alloy materials, in particular to a tungsten alloy wire and a preparation method and application thereof.The tungsten alloy wire is composed of, by mass, 0.4-1.1 wt% of L, 0.001-0.01 wt% of X, 0.001-0.25 wt% of Z and the balance tungsten and inevitable impurities; wherein L is one or more than two of lanthanum, cerium, praseodymium, neodymium, gadolinium and erbium; x is one or more than two of lutetium, europium, ytterbium, dysprosium, holmium, terbium and samarium; the Z comprises oxygen; the wire rod has a wire diameter of 20-60 [mu] m, the wire rod contains a linear L or L compound in the axial direction, and the average radial width D of the L or L compound is less than or equal to 5 nm. According to the tungsten alloy wire, the linear element L is doped between the tungsten matrixes, the radial average width of L is controlled to be smaller than or equal to 5 nm, the wire diameter of the wire can range from 20 micrometers to 60 micrometers, the tensile strength of 5000 MPa or above can be achieved under the wire diameter of 60 micrometers, and the machining performance of the tungsten alloy wire is enhanced.

The present application discloses an electrochemical impedance test equivalent circuit and fitting method, which relates to the field of battery technology and can accurately fit the electrochemical impedance spectrum inside the battery, thereby accurately reflecting the working state of the battery. An electrochemical impedance test equivalent circuit includes: an electrolyte membrane resistor; at least two-order equivalent circuits connected in series with the electrolyte membrane resistor, each of the at least two-order equivalent circuits is connected in series, and each of the equivalent circuits includes linear elements and nonlinear elements.

An analog neural network is described comprising a plurality of layers interconnected to form an electrical circuit having an input adapted to receive an electrical signal corresponding to an input example and an output corresponding to an output of the neural network. Each layer comprises elements connected to each other, where the elements comprise: at least one programmable electronic element representing a weight of the neural network; at least one nonlinear element; at least one amplifier module; and an error element. Each layer also includes a measuring element for measuring a change in an electrical signal on the error element.

The invention relates to a holder (100) for a mobile device (200). Conventional fixtures that are to receive a plurality of different devices are complex and expensive due to the large variation in the width of the devices. By providing rotatable edge clips (110, 115) together with one or more serpentine-shaped tension resistors (120), a region with non-linear resistance is provided to separate the first edge clip (110) and the second edge clip (115). This has the advantage of a smaller rate of increase in the separation resistance at larger separation distances compared with the use of linear elements, such as helical springs.

A bending machine includes an upper beam that is movable in the direction of a primary axis (y) of the bending machine relative to a lower beam to form a workpiece which can be inserted between the upper beam and the lower beam via a front side. A position measuring system for measuring and monitoring a respective position of the upper beam with respect to a reference position is provided. The position measuring system is configured such that a linearly movable measuring unit follows a movement of the upper beam in the direction of the primary axis (y) and moves along a stationary linear element. The linearly movable measuring unit is held on the upper beam by a connecting element that is resistant to deformation in the direction of the primary axis (y), and configured to be elastic in the width direction (z) and / or a depth direction (x).

Disclosed is a sub-harmonic mixer module including a dielectric circuit unit and a ground conductor. The dielectric circuit unit includes a dielectric substrate, a first conversion probe, a second conversion probe, a nonlinear element, and an RF / DC ground circuit. The first conversion probe converts an RF electromagnetic wave into a first electrical signal. The second conversion probe converts an LO electromagnetic wave into a second electrical signal. The nonlinear element switches depending on the second electrical signal and generates a third electrical signal. The ground conductor is connected with the RF / DC ground circuit and provides ground voltage. The first conversion probe, the second conversion probe, the nonlinear element, and the RF / DC ground circuit are formed on one surface of the dielectric substrate. The ground conductor is disposed to make contact with the one surface of the dielectric substrate and is position-adjustable.

The present invention provides a power regulation circuit and regulation method, and a constant-power thermal mass flowmeter. The circuit first detects the voltage across a temperature sensor and the voltage across a linear element, then calculates the actual power of the temperature sensor based on the voltage across the temperature sensor and the voltage across the linear element. An intermediate voltage is then determined based on the voltage across the temperature sensor and the voltage across the linear element, and the intermediate voltage is compared with an externally input threshold voltage to determine the current flow state of the intermediate medium and the current power state of the driving power. A driving power is then selected based on the current flow state of the intermediate medium and the current power state of the driving power, and power regulation is performed based on the driving power and the actual power of the temperature sensor, outputting a constant power to the temperature sensor. The present invention can perform power regulation to maintain a constant power level for the temperature sensor and maintain the original reliability of the temperature sensor even at high temperatures.

The present invention discloses a shield segment layout method for automatically calculating and generating standard rings and turning rings, comprising the following steps: calculating and inputting the axis linear elements in segments according to the plane curve of the design axis; calculating the average rotation angle β of the turning ring segments according to the commonly used segment points selected on site statistically; inputting the mileage of the segment types one by one from the starting mileage of the interval according to the segment type distribution given in the design drawing, and selecting the name of the segment type until the ending mileage of the interval; starting from the starting mileage, calculating the segment layout plan for each segment of the axis to form a segment layout plan table. The present invention reduces or replaces manual operations, automatically generates a reasonable layout and plan for standard rings + left and right turning ring segments, and plays a role in standardizing the layout and plan of standard rings + turning ring segments on site and optimizing the shield tunnel construction process.

Various examples are provided related to overcurrent protection for composite power semiconductor switches comprising a high voltage power switch in series with a low voltage non-linear element. In one example, a system includes a blocking diode connected to a sensing node of a composite switching device; a resistor connected in series with the blocking diode and to a desaturation detection input of a gate driver circuit; and a blanking capacitor connected between the desaturation detection input and a common voltage reference of the gate driver circuit. The gate driver circuit can detect a short circuit condition based upon a sensed voltage at the desaturation detection input. In another example, a method includes sensing a voltage on a blanking capacitor, the voltage provided from a sensing node of a composite switching device via a blocking diode and a resistor, and detecting a short circuit condition based upon the sensed voltage.

1. Name of the product of this design: A dynamic graphical user interface for switching sound quality for electronic equipment. 2. Purpose of the product of this design: an electronic device. 3. The design highlights of this appearance design product lie in the interface content of the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: main view. 5.Purpose of the graphical user interface: The interface of this appearance design is used to switch the sound quality audition and display related dynamic information. 6. Human-computer interaction method of the graphical user interface: The main view is the default interface. When the user clicks the card coating area in the upper left corner of the main view and clicks the left and right single arrow icons in the upper right corner of the card, the spherical light effect on the right begins to rotate dynamically. The spherical light effect will gradually rotate and stretch and extend to change in the changing state diagram 1‑8; when the user clicks the left and right single arrow icons in the upper right corner of the selected card in the interface state diagram 8 again, the linear element graphic on the right gradually shrinks and changes into a sphere, as shown in the interface change state diagram 9‑11. The area covered in this design is the content screen; the X in the view indicates replaceable text content.

Sound-absorbing and sound-insulating modular apparatus (10) comprising a plurality of modules (100) juxtaposed in a wall. At least one module (100) comprises: a planar element (200) defining a development plane; a plurality of sound-absorbing linear elements (300) arranged horizontally and mutually parallel on a sound dissipation side of the at least one module (100) and configured to absorb a sound emission; at least two reinforcing linear elements (400) arranged horizontally and mutually parallel and configured to structurally support the planar element (200); at least two side plate supports (500; 500b) constrained to first ends of the sound-absorbing linear elements (300) and to second ends of the at least two reinforcing linear elements (400), respectively, configured to support the sound-absorbing linear elements (300) on the sound dissipation side of the at least one module (100), and further configured to support the planar element (200). One or more of the sound-absorbing linear elements (300) comprises a first box-like body (301) defining a first inner cavity (302) and having a first plurality of openings (303) communicating with an external environment, so as to constitute at least one first acoustic resonator to absorb a sound emission directed against the sound dissipation side.

A protective circuit includes a non-linear element which includes a gate electrode, a gate insulating layer covering the gate electrode, a first oxide semiconductor layer overlapping with the gate electrode over the gate insulating layer, a channel protective layer overlapping with a channel formation region of the first oxide semiconductor layer, and a pair of a first wiring layer and a second wiring layer whose end portions overlap with the gate electrode over the channel protective layer and in which a conductive layer and a second oxide semiconductor layer are stacked. Over the gate insulating layer, oxide semiconductor layers with different properties are bonded to each other, whereby stable operation can be performed as compared with Schottky junction. Thus, the junction leakage can be reduced and the characteristics of the non-linear element can be improved.

Arrangement comprising a grommet (32) and a seat back spring (30), comprising: a main body circular cylinder part (46) through which a linear element, that the seat back spring (30) can be inserted through; a fastening circular cylinder part (48) which is connected in an axial direction to an end section (46A) of the main body circular cylinder part (46) and which can be inserted into an opening section (42) formed on a fastening target element (40); an engagement section (60) formed on an outer circumferential section of the fastening circular cylinder part (48) and capable of engaging in a circumferential edge section of the opening section (42) by elastic deformation; and a retaining part (50) formed on an inner circumferential section of a boundary between the main body circular cylinder part (46) and the fastening circular cylinder part (48), which is capable of holding the seat back spring (30), wherein the retaining part (50) has a smaller inner diameter (R1) than an inner diameter (R2) of an opening end part of the main body circular cylinder part (46) and an inner diameter (R3) of an opening end part of the fastening circular cylinder part (48), so that the retaining part (50) holds the seat back spring (30) in a state in which an axial direction of the seat back spring (30) is inclined with respect to the axial direction of the mounting circular cylinder part (48) and an axial direction of the main body circular cylinder part (46), wherein at least one inner circumferential surface of the main body circular cylinder part (46) or one inner circumferential surface of the mounting circular cylinder part (48) has a frustoconical shape with a diameter that decreases in the direction of the holding part (50).

A protective circuit includes a non-linear element which includes a gate electrode, a gate insulating layer covering the gate electrode, a first oxide semiconductor layer overlapping with the gate electrode over the gate insulating layer, a channel protective layer overlapping with a channel formation region of the first oxide semiconductor layer, and a pair of a first wiring layer and a second wiring layer whose end portions overlap with the gate electrode over the channel protective layer and in which a conductive layer and a second oxide semiconductor layer are stacked. Over the gate insulating layer, oxide semiconductor layers with different properties are bonded to each other, whereby stable operation can be performed as compared with Schottky junction. Thus, the junction leakage can be reduced and the characteristics of the non-linear element can be improved.

An optical logic gate is provided which comprises signal providing means for providing a first optical signal and a second optical signal having the same phases. The optical logic gate further comprises phase modulating means and interference means. The optical logic gate also comprises an optically non-linear element configured to interact with a pump signal and with the first and second optical signals shifted with respect to their phases by the phase modulating means and caused to interfere by the interference means and, as a result of this non-linear interaction, to couple out an optical output signal as a logic output signal.

The invention relates to a quantum system (1) for stabilizing Bose quantum bits, said system comprising: an instruction circuit (5) comprising three microwave sources (11, 13, 15), and a nonlinear superconducting quantum circuit (3) comprising a four-wave hybrid nonlinear element (7) and a resonant section (9), the quantum circuit (3) has a first mode having a first resonant frequency and a second mode having a second resonant frequency. The quantum circuit (3) is arranged to design a Hamiltonian H expressed as, by dissipation in the second mode, produce an effective dissipater that stabilizes the Bose quantum bits. To this end, the first microwave source (11) delivers frequency-equal radiation, the second microwave source (13) delivers frequency-equal radiation, and the third microwave source (15) delivers frequency-equal radiation to drive the second mode.

A quantum system for executing a CNOT gate includes a control circuit that provides radiation, a target cat qubit device and a control qubit device that are linearly coupled. The target cat quantum bit comprises a non-linear element, namely ATS, and has two purposes: the first purpose is to design two-photon conversion Hamiltonian for cat quantum bit stabilization, and the second purpose is to design CNOT Hamiltonian for executing a CNOT gate together with a quantum bit control device. At any time point, the ATS plays a role of cat quantum bit stabilization or plays a role of a CNOT gate.

A phase shifter and frequency multiplier circuit, comprising a resonant tank tuned to a harmonic of an injection signal, a plurality of parallel cascaded switch banks, wherein each of said plurality of switch banks is arranged to receive a distinct phase shifted variation of said injection signal (Q+, Q-, I+, I-), wherein each of said plurality of switch banks comprises a contribution unit wherein said contribution unit comprises a non-linear element for receiving said distinct phase shifted variation of said injection signal (Q+, Q-, I+, I-) and for providing a harmonic of said corresponding received distinct phase shifted variation of said injection signal, a switch connected in series with said non-linear element and connected to said resonant tank and a controller arranged for controlling said switches of said contribution units of each of said plurality of switch banks.

The present invention is entitled "Dual-Mode Frequency Multiplier" and provides an exemplary dual-mode frequency multiplier embodiment, which includes: a first nonlinear element and a second nonlinear element, a summing node and a switchable phase shifter. The first nonlinear element and the second nonlinear element are driven by a differential signal to generate a first branch signal and a second branch signal, each having even harmonics and odd harmonics, the even harmonics being in phase and the odd harmonics being out of phase. The first branch signal and the second branch signal are combined at the summing node to form a combined signal. The switchable phase shifter couples the first nonlinear element to the summing node, thereby providing a phase shift switchable between 0° and 180° to the first branch signal to suppress odd harmonics or even harmonics from the combined signal.

Antenna arrays to be used in MIMO apparatuses are disclosed. Such an antenna array may include a plurality of array elements, wherein every second element in a first direction is a digital pre-distortion-less linear element, and every second element in the first direction is a non-linear element. In the antenna array, spacing between adjacent elements in the first direction is less than a half of a free space wavelength. A non-linear precoding is applied to transmissions from the antenna array, the non-linear precoding converting out-of-band emissions of the transmissions into reactive power in the near-field around the antenna array while ensuring that in-band signals generated by the elements remain unaffected.

The invention relates to a holder (100) for a mobile device (200). Due to the wide variety of devices, conventional fastening devices intended to accommodate many different devices have become complex and expensive. By providing rotatable edge clamps (110, 115) together with one or more serpentine strain resistors (120), a region of non-linear resistance is created to separate the first edge clamp (110) and the second edge clamp (115). This has the advantage of a lower rate of increase in separation resistance at larger separation distances compared to the use of a linear element, such as a coil spring.

The surge protection device comprises a shell, a nonlinear element, a first wiring board, a second wiring board and a thermal disengagement assembly, the nonlinear element comprises a first pin and a second pin, the surge protection device further comprises an elastic piece and an indicating piece which are installed in the shell, the thermal disengagement assembly comprises the elastic piece and the indicating piece, and the second pin is electrically connected with the second wiring board through the elastic piece. The elastic sheet comprises a movable part and a fixed part electrically connected with the second wiring board, the movable part is welded with the second pin through a hot-melting welding part, and the movable part is laminated and fixed on the indicating piece in the thickness direction of the surge protection device; the indicating pieces are arranged on the nonlinear element at intervals in a stacked mode in the thickness direction of the surge protection device and can move between a first position and a second position in the thickness direction of the surge protection device. According to the surge protection device, the elastic sheet integrates multiple functions. The assembling method of the surge protection device is used for assembling the surge protection device. According to the assembling method, the steps are few, assembling is simple, and all the steps are stacked type assembling.

The multi-pole surge protection devices are arranged in the width direction of the surge protection devices, each pole of surge protection device comprises a shell, a first wiring terminal, a first contact plate, a non-linear element and a thermal separation piece, the first contact plate is electrically connected between the first wiring terminal and a first pin of the non-linear element, and the thermal separation piece is electrically connected between the first wiring terminal and a second pin of the non-linear element. The one-pole surge protection device further comprises a second wiring terminal and a second contact plate, the second contact plate comprises a connecting part and a wiring part electrically connected with the second wiring terminal, the shell is provided with through holes penetrating through the shell, the connecting part penetrates into the through holes, and the connecting part is electrically connected with the second wiring terminal. And is in contact connection with the thermal disengagement member. According to the multi-pole surge protection device, the second contact plate electrically connected with the second wiring terminal is arranged, the connecting part of the second contact plate connects the thermal disengagement pieces of all the pole surge protection devices to share the second wiring terminal serving as the wire outlet end, and inter-pole connection can be carried out through the internal connecting part only by connecting one wire.

An apparatus (202, 602) for locating a hardware (116, 118) at a desired location (L1) on a tubular structure (104) of a machine (100) includes a linear element (204) including a plurality of linear reference indicia (210) thereon, a slider (212) coupled to the linear element (204), an angular element (220) including a plurality of angular reference indicia (222) thereon, a hardware locator (232, 632) coupled to the linear element (204) and adapted to engage with the hardware (116, 118) to locate the hardware (116, 118) at the desired location (L1) on the tubular structure (104), and a reference hardware locator (254) coupled to the angular element (220). The angular element (220) is coupled to the tubular structure (104) such that the reference hardware locator (254) engages with a pre-existing hardware (120) mounted on the tubular structure (104). The pre-existing hardware (120) is used as a reference to locate the hardware (116, 118) at the desired location (L1) on the tubular structure (104).

Vehicle trim or equipment part incorporating an electrical functional element, method and facilities for its manufacture The invention relates to a vehicle interior or exterior trim or equipment part (1), with at least a first surface body (2), at least a functional element (4) attached to the rear face (3') of said body (2) and sites, formations (5') and / or locations at the level of this rear face (3').A component characterized in that this functional element (4), with a linear structure and surface deployment, is made up of one or more linear element(s) (6), in particular lines of the wire or cable type, possibly associated with at least one adhesive (7) and / or insulating (8) material, and in that this or these linear element(s) (6) is / are, on the one hand, arranged with a surface coverage and directly attached to the back face (3') and, on the other hand, arranged according to a predefined layout configuration taking into account the locations of said sites, formations and / or locations (5') and with an extensive surface deployment between and / or around at least some of these sites, formations and / or locations (5'). Figure to be published with the abbreviation: Fig. 8.