47 results about "Linear element" patented technology

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 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.

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.

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.

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).

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.

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.

A photonic integrated circuit includes: an optical input device configured to receive pump radiation; and a plurality of non-linear elements, the plurality of non-linear elements being connected to the optical input device. The plurality of non-linear elements are configured to generate broadband radiation upon receiving the pump radiation. At least two of the plurality of non-linear elements are different in material and / or size at least.

This invention proposes a clamping device, a clamp applicator, and a clamp delivery monitoring method. The clamping device includes a clamping chamber, clamps to be delivered located between two adjacent first elastic clamping positions within the clamping chamber, and a first communication interface for communication with a handle. When the clamps to be delivered are not under the action of the push clamp, each clamp can move between a first position and a second position. Each clamp is equipped with a magnet. When the clamps to be delivered are not under the action of the push clamp, the magnet of each clamp can move from the first position to the second position. A Hall effect linear element is provided on the clamping chamber base plate at the center of the movement trajectory of each clamp's magnet from the first position to the second position. All Hall effect linear elements are electrically connected to the first communication interface. This provides a structural basis for clamp delivery monitoring.

A method of measuring self-Kerr in a physical quantum system configured to host a bosonic code qubit, comprises the following operations: 1) providing a physical quantum system configured to host a bosonic code qubit, said physical quantum system comprising (i) a quantum circuit comprising oscillators hosting a buffer or readout mode and a memory mode, and a non-linear element coupling the buffer or readout mode to the memory mode, and (ii) a control circuit configured to apply one or more control signals to the quantum circuit to stabilize the bosonic code qubit in the memory mode and further configured to receive measurement signals from at least the buffer or readout mode, 2) define a coherent state (α) for the memory mode, and, for each of a plurality of coherent state amplitudes and each of a plurality of durations (t), a. prepare, using the control circuit, said coherent state (α) in the memory having one of said plurality of coherent state amplitudes, b. wait for a period of time having one of said duration (t), c. apply, using the control circuit, one or more control signals to said quantum circuit such that the quantum circuit is in a resonant regime | i * ω a - ω b | = j * |ω cs | if said one or more control signals comprise an AC component having an angular frequency |ω cs | or | i * ω a - ω b | = 0 if said one or more control signals comprise only DC components, resulting in an interaction, mediated via said non-linear element, in said physical quantum system which results in a Hamiltonian having a leading term of the general formula Hi,(j,0) α ξ(j,0) (α†)i b + h.c...., where α is the annihilation operator of said memory mode, i is an integer superior or equal to 1, ω a is the angular frequency of the memory mode whilst the quantum circuit is in the resonant regime, j is an integer superior or equal to 1, b is the annihilation operator of the buffer or readout mode, ω b is the angular frequency of the buffer or readout mode whilst the quantum circuit is in the resonant regime, and ξ(j,0) is the strength of said interaction, and d. simultaneously to operation 2)c., using the control circuit, receiving measurement signals comprising at least the mode phase and / or mode amplitude of the buffer or readout mode, 3) derive an effective detuning or a decayed mode amplitude for each coherent state amplitude, by fitting of the measurements of operation 2)d. which are associated with said each coherent state amplitude, 4) derive at least one of self-Kerr coefficients, stark-shift detuning, and memory dephasing rate from the plurality of effective detunings or decayed mode amplitudes of operation 3) by fitting of a function of the absolute magnitude squares of coherent state amplitude in said memory mode.

The invention discloses a memristor monostable trigger circuit, and relates to the technical field of circuit design, and the memristor monostable trigger circuit comprises a first resistor R1, a second resistor R2, a first transistor T1, a second transistor T2, a first memristor M1, a second memristor M2, a first signal source V1, a second signal source V2 and a third signal source V3. A traditional RC module is replaced by cooperative control of the double memristors, the pulse width is dynamically adjusted by directly utilizing the charge memory characteristic of the memristors, the design enables the output pulse width to be adaptive to input signal changes, meanwhile, pulse width distortion caused by capacitor electric leakage is eliminated, the dependence of a traditional circuit on linear elements is broken through, and the reliability of the circuit is improved. And thus, a more efficient solution is provided for intelligent sequential control.

The application pertains to a reinforcing structure comprising a monofilament of thermoplastic material as a core component, at least one linear element wrapped around the core component as a single layer, wherein the single layer of the at least one linear element covers at least 90% of the surface area of the thermoplastic monofilament and wherein the reinforcing structure has a residual torsion of at most ±0.6 torsions per meter, measured according to ASTM D2969- 02.

Lifting drive device (11) of a lifting element (12) which is guided by a guide element (22) by means of an air layer, the lifting drive device comprising: a linear element (18) extending upwardly from the lifting element (12) and having an upper end held by the guide element (22); a compensating device (19) for reducing an apparent weight of the lifting element (12) suspended by the linear element (18); at least one roller (15) with which the guide element (22) is provided and which is in contact with the lifting element (12); and a rotary drive part (17) for rotating the roller (15), characterized in that the linear element (18) is a wire having a diameter of 0.3 mm to 3 mm, and the compensating device (19) is arranged to amplify a tension acting on the wire, the guide element (22) comprises a plurality of air cushions (24) which are arranged such that they face each other and surround the lifting element (12) from an X direction and a Y direction and in two stages with a distance in a lifting direction Z, and wherein the roller (15) is arranged between the two stages in the stroke direction Z.

The invention relates to a non-linear superconducting quantum circuit including: - at least one resonant portion having a first mode with a first resonant frequency and a second mode with a second resonant frequency, and - a non-linear element (7) coupled to or at least partially included in the at least one resonant portion. The at least one resonant portion has a resonator (27) including a capacitive element (29) and an inductive element (31) together producing the first mode, the capacitive element (29) having a capacitance of between 1 and 10 pF and / or the inductive element (31) having an inductance of between 0.3 and 5 nH such that the first resonant frequency is less than or equal to 3.5 GHz.

Non-linear superconducting circuit for stabilizing at least one cat qubit, the non-linear superconducting circuit comprising: a four-wave mixing non-linear element (7); a first resonant portion (29); and a second resonant portion (31) which is coupled to the first resonant portion via the four-wave mixing non-linear element; wherein the first resonant portion, the second resonant portion, and the four-wave mixing non-linear element are configured together to provide a first physical oscillatory mode (a) with a first resonant frequency for hosting a cat qubit and a second physical oscillatory mode (b) with a second resonant frequency which is more dissipative than the first physical oscillatory mode (a); and wherein at least one of the first and second resonant portions comprises a tunable inductor (8) and a capacitor (43,39) such that at least one of the first and second resonant frequencies are tunable with the inductance of the tunable inductor.

An analog neural network is described comprising: a plurality of layers connected to form an electrical circuit having an input and an output, the input suitable for receiving an electrical signal corresponding to an input example and the output corresponding to an output of the neural network. Each layer comprises elements connected together, where the elements comprise: at least one programmable electronic element representing a weight of the neural network; at least one non-linear element; at least one amplifier block; an error element. Each layer also comprises a measurement element for measuring a change in an electrical signal across the error element.

A surge protector, comprising a housing, a nonlinear element, a first wiring board, a second wiring board and a thermal disconnection assembly, wherein the nonlinear element comprises a first pin and a second pin; the surge protector further comprises the thermal disconnection assembly disposed in the housing; the thermal disconnection assembly comprises an elastic sheet and an indicator; the second pin is electrically connected to the second wiring board by means of the elastic sheet; the elastic sheet comprises a movable portion and a fixed portion electrically connected to the second wiring board; the movable portion is soldered to the second pin by means of a hot-meltable soldering portion and is fixedly stacked on the indicator in the direction of thickness of the surge protector; and the indicator is stacked on the nonlinear element in the direction of thickness of the surge protector in a spaced manner, and is movable between a first position and a second position in the direction of thickness of the surge protector. In the surge protector of the present invention, the elastic sheet integrates multiple functions. An assembly method for the surge protector is used for the assembly of the above surge protector. The assembly method of the present invention involves fewer steps and simple assembly, and totally adopts a stacked assembly.

A quantum circuit apparatus includes a coupler made up of one or more linear elements and at least three or more qubits coupled with a many-body interaction via the coupler, wherein at least one qubit out of the at least three or more qubits has a nonlinearity different from that of one or more other qubits.

The present invention provides a light measurement device with improved light intensity detection performance. The light measurement device includes: a light receiving element capable of converting the light intensity of the light to be measured into an electrical signal, an input terminal to which the electrical signal is input, a first amplifier and a non-linear element constituting a logarithmic amplifier, a plurality of offset resistors, a switching unit, and a control unit. The inverting input terminal of the first amplifier is electrically connected to the input terminal. The plurality of offset resistors each have a different resistance value. The switching unit can switch the offset resistor electrically connected between the voltage source and the input terminal among the plurality of offset resistors. An offset current is input to the input terminal through the offset resistor electrically connected between the voltage source and the input terminal. The control unit measures the light intensity based on the output voltage value of the first amplifier.