116 results about "Electric stimulus" patented technology

Systems and methods described herein relate to using silver-coated twisted-coil polymer fibers to adjust the shape of inflatable structures, such as to provide an adjustable curved projection screen. In one embodiment, a method includes providing an adjustable inflation system capable of providing an electrical stimulus to a set of fibers within an inflatable structure where the set of fibers can adjust a surface of the inflatable structure from a first state to a second state based on the electrical stimulus.

Display systems, media, and methods. Pixels of an image former form an image. Each pixel has a first color element to propagate a first amount of a first light having a first wavelength, based on a first electrical stimulus, and a second color element to propagate a second amount of a second light having a second wavelength, based on a second electrical stimulus. A display surface presents the image across a plurality of display surface locations. A processor executes instructions to scale the first electrical stimulus of each pixel of the image former by a first light scale factor, scale the second electrical stimulus of each pixel of the image former by a second light scale factor, and apply a pixel shading map to the image former to independently adjust, for each pixel of the display, the first amount relative to the second amount.

The embodiment of the invention relates to the technical field of medical instruments, and discloses an electroencephalogram signal detection device, a control method, a signal processing system and a storage medium. In the electroencephalogram signal detection device, a first control unit can directly detect an electroencephalogram signal according to a first electroencephalogram signal collected by a first contact group in a signal processing unit electrically connected with the first control unit; a second contact group in the signal processing unit is controlled to apply first electrical stimulation for blocking the first electroencephalogram signal, and the first electroencephalogram signal is blocked in time; the second control module can determine the propagation change area of the first electroencephalogram signal according to the propagation change trend of the historical electroencephalogram signal in the space and the first to-be-detected area, outputs a control instruction to a second contact in the target signal processing unit corresponding to the propagation change area, and instructs the second contact to apply electrical stimulation. And blocking the first electroencephalogram signal from spreading to the spreading change area where the target signal processing unit is located in advance.

A display system for color correcting a display. An emitter of the display is configured to receive an electrical stimulus having a magnitude, and emit an amount of light that increases with increased magnitude of the electrical stimulus. A display controller is configured to apply an amount of color non-uniformity correction to the display to adjust respective amounts of light of two or more wavelengths emitted by the display, the amount of color non-uniformity correction applied decreasing with increased magnitude of the electrical stimulus.

A system and method to confirm the insertion of an analyte-selective sensor comprising an array of microneedles possessing vertical extent between 200 and 2000 μm into viable tissue is disclosed herein. Mechanical insertion of an analyte-selective sensor is firstly attempted by means of an application of external force. Either during or following this routine, an electrical stimulus is applied between at least two distinct electrodes located within the said analyte-selective sensor; a resultant response is measured. This response is compared with a reference value to determine if insertion was successful. If insertion was successful, no further effort is required and the sensor can operate as intended. However, if insertion was not successful, the user can be instructed to continue to apply additional force to said sensor to achieve successful insertion or otherwise re-apply the said sensor altogether.

Guidewires and methods for transmitting electrical stimuli to a heart and for guiding and supporting the delivery of elongate treatment devices within the heart are disclosed. A guidewire can comprise an elongate body, including first and second elongate conductors, and at least first and second electrodes. A distal end portion of the elongate body can include a preformed bias shape, such as a pigtail-shaped region, on which the first and second electrodes can be located. The preformed bias shape can optionally be non-coplanar relative to an intermediate portion of the elongate body. The first and second elongate conductors can be formed of a single structure or two or more electrically connected structures. The conductors can extend from proximal end portions to distal end portions that electrically connect to the first and second electrodes. A corewire can extend the length of the elongate body, can at least partially form the first conductor, and can be at least partially surrounded by the second conductor.

A display system for color correcting a display. An emitter of the display is configured to receive an electrical stimulus having a magnitude, and emit an amount of light that increases with increased magnitude of the electrical stimulus. A display controller is configured to apply an amount of color non-uniformity correction to the display to adjust respective amounts of light of two or more wavelengths emitted by the display, the amount of color non-uniformity correction applied decreasing with increased magnitude of the electrical stimulus.

To provide a device for adjusting arterial blood pressure of a user.SOLUTION: A device for adjusting arterial blood pressure of a user includes a signal generator for generating an electric stimulus signal, a controller connected to the signal generator to determine the form of the electric stimulus signal, and an earpiece connected to the signal generator and the controller to include electrodes. The earpiece includes a stimulating electrode for giving the electric stimulus signal to nerves that stimulate an earlobe of the user and a reference electrode. In the earpiece, the stimulating electrode is arranged in contact with a first surface of the earlobe and the reference electrode is arranged in contact with a second surface of the earlobe opposite from the first surface when attached to the earlobe. The controller is configured so as to transmit the electric stimulating signal to the stimulating electrode. The electrodes are attached in contact with the earlobe of the user. The electric simulating signal includes continuous electric pulses. Each electric pulse repeats at frequencies equal to or more than 1 Hz and equal to or less than 100 Hz, and has a duration of 10 to 500 microseconds and an intensity of 0.1 to 8 mA.SELECTED DRAWING: Figure 1B

This utility model discloses a phototherapy patch with EMS functionality, aiming to provide a phototherapy patch with enhanced functionality, improved treatment efficiency, enhanced ease of use, and simplified operation. It includes a functional module comprising a functional plate and an adhesive plate, with a hydrogel patch adhered to the adhesive plate. The functional plate is connected to a flexible lamp plate, EMS positive and negative conductive contacts, and a magnetic male buckle. A control module includes a housing, a magnetic female buckle, and an EMS output pin, both connected to the housing. A PCB board is located inside the housing, with charging contacts and an output battery. A charging box has a storage slot and a charging slot, with a charging component connected to the charging slot. The beneficial effects of this utility model are: integrating phototherapy and electrical stimulation to enhance patch functionality; improving patch adhesion and phototherapy efficiency; achieving an integrated bipolar hydrogel patch for improved ease of use; and enabling wireless operation via magnetic attraction.

The invention provides a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes: a data obtaining unit configured to obtain a first target full battery cell curve representing a correspondence relationship between a voltage and a capacity factor of a target cell while a first electrical stimulus is applied to the target cell; and a control circuit configured to generate an estimated total cell curve based on the first target total cell curve and the overpotential curve. The control circuit determines a first set of performance factors as a primary estimate of charge / discharge performance of the target cell by applying the cell diagnostic logic to the estimated full battery curve. The control circuit determines a second set of performance factors as a secondary estimate of charge / discharge performance of the target cell by applying a factor correction model to the first set of performance factors. The second performance factor group comprises an estimation result of the negative pole load capacity of the target single body.

A skin treatment device is disclosed, which has a head capable of contacting a target site of a user, the head having an electrically driven cutter unit capable of cutting hair when in operation, and an action mechanism configured to apply a specific action to the target site of the user contacted by the cutter unit based on power supplied from a power source. The action mechanism includes, for example, a heating element that generates heat by flowing a direct current and / or a pair of electrodes that generate an electric stimulus.

An artificial retinal prosthesis is disclosed for electrically stimulating a retina of an eye by spatiotemporal electrical stimulation to provide color visual perception. The prosthesis comprises a plurality of pixel group units, each including a main pixel unit and at least one auxiliary pixel unit. The main and auxiliary pixel units are driven according to different sequences of cycles, each cycle comprising a dark period followed by a lighted period, such that the pixel units intermittently output lighted pulses. During the lighted periods, the main pixel unit is nominally turned on for at least one lighted duration except for an off duration while the auxiliary pixel units are continuously turned on for the entire lighted period. During the dark periods, both the main pixel unit and the auxiliary pixel units are continuously turned off for the entire dark period.

The present invention relates to a device comprising an adhesive with electrically adjustable adhesion properties, enabling bonding, debonding, and rebonding to complex surfaces upon application of an electric stimulus. The adhesive exhibits at least two distinct adhesive states, which can be reversibly switched. This switching allows the adhesive to be used for assembling, manipulating, and moving objects. The device may be configured as an adhesive tape, such as a pressure-sensitive adhesive (PSA) tape, with the adhesive applied on one or both sides of a backing. The materials are environmentally friendly, incorporating recycled and / or biobased components to partially or fully replace ionic liquids, thereby improving biodegradability, reducing CO2 footprint, and minimizing environmental impact. The device operates with low power consumption and minimal electric wear, ensuring energy efficiency, long service life, and reliable performance. Applications include industrial automation, robotic gripping of delicate objects, and temporary fixation in electronic assembly processes.

A method and apparatus for detecting a microphone condition of a microphone, the method comprising: applying an electrical stimulus to a microphone; measuring an electrical response to the electrical stimulus at the microphone; comparing the electrical response to an expected response; and determining the microphone condition based on the comparison.

The embodiment of the invention provides a cell guiding device, and the device comprises a receiving coil which is used for receiving a radio frequency signal transmitted by an in-vitro energy supply device; the stimulator is electrically connected with the receiving coil and is used for generating an electrical stimulation pulse according to the radio frequency signal; the electrode array is used for being arranged in the cochlea and electrically connected with the stimulator; the electrode array is used for applying the electrical stimulation pulse to hair cells in the cochlea so as to stimulate the hair cells to proliferate and differentiate. According to the technical scheme provided by the embodiment of the invention, the electrical stimulation pulse is generated according to the in-vitro radio frequency signal and is applied to the hair cells in the cochlea, so that accurate and efficient electrical stimulation on the hair cells can be realized. Meanwhile, the implanted design is adopted to directly act on the hair cells in the cochlea, so that the trauma to the body can be reduced, and the safety and comfort of treatment are improved.

The invention provides a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes: a data obtaining unit configured to obtain a first target full battery cell curve representing a correspondence relationship between a voltage and a capacity factor of a target cell and impedance information of the target cell while a first electrical stimulus is applied to the target cell; and a control circuit configured to generate an estimated total cell curve based on the first target total cell curve and the overpotential curve. The control circuit determines a first set of performance factors as a primary estimate of charge / discharge performance of the target cell by applying the cell diagnostic logic to the estimated full battery curve. The control circuit determines a second set of performance factors as a secondary estimate of charge / discharge performance of the target cell by applying a factor correction model to the first set of performance factors and the impedance information.

The invention provides a blind guiding garment. The blind guiding garment comprises a sensor module, an electrical stimulation module, a control module, a battery module and a garment body. The sensor module is used for detecting the surrounding environment and outputting a detection signal. The electrical stimulation module comprises an electrode array, the electrode array comprises a plurality of electrode plates which are distributed in an array mode, and the electrode plates are distributed at intervals. The control module is electrically connected with the sensor module and the electrical stimulation module and used for receiving the detection signals and controlling the electrode slices to output pulse signals according to the detection signals. The battery module is electrically connected with the control module and the sensor module and used for supplying power to the control module and the sensor module. The sensor module, the electrical stimulation module, the control module and the battery module are all arranged on the clothes body. The blind guiding garment can be adjusted according to the shape of the joint part of the human body, so that the electrical stimulation module can better fit the human body, the fit degree of the blind guiding garment and the human skin is improved, and the use experience of the blind guiding garment is improved.

The invention provides an electrical stimulation monitoring data classification method and system for wireless implantable nerve regulation, and relates to the field of data processing. When noise cleaning is performed on a first electrical stimulation monitoring signal, spectral analysis is performed on a first signal implicit representation of the first electrical stimulation monitoring signal to obtain a detail implicit representation and a global implicit representation; and integrating the detail implicit representation and the global implicit representation according to the influence variables to obtain a second signal implicit representation, because the detail influence variables and the global influence variables are obtained by training electrical stimulation monitoring signal samples, weighting the implicit representations according to the influence variables to obtain a second signal implicit representation. And detail features with higher analysis value in the electrical stimulation monitoring signal can be focused. The filtering matrix is also obtained by training according to the electrical stimulation monitoring signal sample, so that the filtering matrix can learn how to restore the error between the noise electrical stimulation monitoring signal and the de-noising electrical stimulation monitoring signal, and the de-noising quality of the electrical stimulation monitoring signal is improved.

A multi-functional system for measuring neurological functions in an animal is provided. The system includes a diagnostic measuring device including a power source. The system further includes one or more stimulators for applying an electrical stimulus to the animal and a plurality of amplifiers. A computing device is connected to the diagnostic measuring device via a connector cable, whereby data is collected after the electrical stimulus is applied to the animal and the data is sent by the connector to the computing device.

This invention relates to the field of additive manufacturing technology and provides an in-situ electrical pulse-assisted additive manufacturing 3D printing apparatus and method. The apparatus includes an additive manufacturing device and a power supply device. The additive manufacturing device contains an insulating substrate and a printing substrate for supporting the 3D printed workpiece. The insulating substrate is located at the bottom and / or side of the printing substrate. The power supply device has a pulse current module connected to a first set of electrical pulse cables. The first set of electrical pulse cables includes a first positive cable and a first negative cable, which pass through the insulating substrate and are arranged opposite to each other and respectively connected to both sides of the printing substrate. The in-situ electrical pulse-assisted additive manufacturing 3D printing apparatus and method provided by this invention achieves in-situ pulse electrical stimulation during the printing process without changing current mass-produced 3D printing equipment, which helps to eliminate defects in the 3D printed workpiece and improves the performance of the 3D printed workpiece.

A cosmetic device is provided with a first electrode and an electrode control device (100) that controls a first electrical stimulus applied to the first electrode. The electrode control device (100) is provided with a pattern information acquisition unit (111) that acquires pattern information indicating the type of the waveform of the first electrical stimulation. The electrode control device (100) further comprises a level information acquisition unit (112) that acquires level information indicating the voltage of the first electrical stimulation. The electrode control device (100) further comprises a frequency setting unit (113) that sets frequency information indicating the frequency characteristics of the first electrical stimulation. The electrode control device (100) further comprises a voltage setting unit (114) that sets the voltage level of the first electrical stimulation applied to the first electrode. Furthermore, the electrode control device (100) is provided with an electrode control unit (115) that generates the first electrical stimulation so that the pulse shape of the first electrical stimulation becomes rectangular waves on both sides, which alternately include a positive-side rectangular wave and a negative-side rectangular wave, and applies the first electrical stimulation to the first electrode.

The application relates to the technical field of driving assistance, and discloses a driving intervention method and system, wherein the method comprises the following steps: obtaining a driving psychological type of a driver; determining a target electric stimulation mode and target audio data based on the driving psychological type, and coupling an electric stimulation pulse corresponding to the target electric stimulation mode with audio corresponding to the target audio data when the driving psychological type is an impulsive extraversion type; and controlling an electric stimulation device to output the corresponding electric stimulation pulse to the driver according to the target electric stimulation mode, and controlling an audio device to play the corresponding audio according to the target audio data. According to the application, the differentiated electric stimulation mode and audio data are determined according to the driving psychological type of the driver, so that the intervention effect on driving emotion can be effectively improved, and when the driving psychological type is the impulsive extraversion type, the audio is coupled with the electric stimulation pulse, so that the intervention effect on driving emotion can be further improved.

The invention relates to the technical field of stimulation signal control, in particular to a method and a system for stimulating a nozzle by Beijing porcelain nozzle printing software. According to the method and the system, through structural decomposition of a printing task parameter group, one-to-one indexing between a nozzle number and a pattern block position is completed, and a matching system with a sequence attribute is established; the controllability of parameter management and the accuracy of scheduling are enhanced, the time sequence identification of frequency coverage and use frequency is carried out through the long and short-term memory network, the screening mechanism of excitation numbers is optimized, the excitation intensity of unnecessary nozzles is reduced, the problem of thermal load accumulation caused by frequent excitation is relieved, and the service life of the nozzles is prolonged. A genetic algorithm is introduced to realize a multi-round iterative substitution and screening mechanism of combination numbers, on the basis of ensuring combination matching logic integrity, diversity and distribution efficiency of electrical stimulation frequency use are improved, collaborative optimization of a nozzle excitation strategy under multivariable dimensions is realized, and stability of system response and signal excitation execution efficiency are improved.

The present invention relates to a device comprising an electrically modifiable adhesive (A) on an electrically conductive surface (B), such as a backing or substrate. Upon application of an electric stimulus, the device allows stain-free debonding of the adhesive tape from the conductive adherend surface (S). The debonding process leaves the adherend surface undamaged, maintains the original optical and electrical properties of the substrate, thereby, permits use on sensitive adherend surfaces.

Some examples herein provide a wearable device for sensing a concentration of an analyte and delivering a therapeutic agent. A sensor is configured to extend fully through stratum corneum, epidermis, and dermis and partially into subcutaneous tissue, and includes a distal end configured to be located within the subcutaneous tissue. A reservoir is configured to contact the stratum corneum and includes a polymer complexed with the drug. Control electronics coupled to the sensor's proximal end of the sensor include first and second electrodes, and are configured to receive a signal from the sensor's distal end corresponding to the concentration of the analyte within the subcutaneous tissue. Control electronics determine, using the signal, electrical stimulus to be applied to a first electrode and a second electrode, and apply that electrical stimulus to deliver the therapeutic agent across the stratum corneum.

The invention discloses a battery diagnosis device and a battery diagnosis method. The battery diagnosis apparatus includes: a processor configured to control a stimulus applying device to intermittently apply a second electrical stimulus greater than a first electrical stimulus to a target cell during a state change period; and a communication unit configured to obtain current time series data during the state change period and voltage time series data representing a change history of a full cell voltage of the target cell during a rest period of the second electrical stimulation applied in the state change period. The processor generates a measured full cell profile based on the current time series data and the voltage time series data, and analyzes the measured full cell profile to estimate a cathode load.

The invention provides a multi-isolation wireless communication dual-channel electrical stimulation system, which comprises a terminal device and an electrical stimulation device which are in wireless communication connection, and is characterized in that the electrical stimulation device comprises a first single-chip microcomputer, a second single-chip microcomputer, a third single-chip microcomputer, a first isolation chip, a second isolation chip, an isolation stimulation boost power supply circuit, a first electrode plate and a second electrode plate; the first single-chip microcomputer is respectively connected with the two first isolation chips and the second isolation chip, and then the first isolation chips and the second isolation chip are respectively connected with the second single-chip microcomputer and the third single-chip microcomputer. The first isolation chip and the second isolation chip arranged in the electrical stimulation system can achieve double isolation effects of communication isolation and power supply isolation; in cooperation with isolation of a stimulation boost power supply of the isolation stimulation boost power supply circuit, a triple isolation effect is realized.

The invention discloses a battery diagnosis device and a battery diagnosis method. The battery diagnosis apparatus includes: a processor configured to control a stimulus applying device to intermittently apply a second electrical stimulus greater than a first electrical stimulus to a target cell during a state change period; and a communication unit configured to obtain current time series data during the state change period and voltage time series data representing a change history of a full cell voltage of the target cell during a rest period of the second electrical stimulation applied in the state change period. The processor generates a measured full cell profile based on the current time series data and the voltage time series data, and analyzes the measured full cell profile to estimate a positive participation endpoint.

The invention discloses a wireless photovoltaic visual cortex prosthesis system and method for total-blindness visual reconstruction, and the system comprises an external image processing unit which is used for collecting an environment image and generating a corresponding optical stimulation pattern; the near-infrared projection unit is connected with the external image processing unit and is used for converting the optical stimulation pattern into a near-infrared light stimulation sequence; the optical transparent cranial window assembly is used for transmitting the near-infrared light stimulation sequence to the visual cortex; and the flexible photovoltaic stimulation array is used for receiving the near-infrared light stimulation sequence through the optical transparent cranial window assembly and directly converting the near-infrared light stimulation sequence into an electrical stimulation signal for stimulating the primary visual cortex V1. By combining the flexible photovoltaic stimulation array with the optical transparent cranial window assembly, a wireless photoelectric link from the outside to the primary visual cortex is constructed, and a solution for reconstructing functional vision by directly stimulating the cortex without a leather-covered cable is provided for all-blind patients.

A device and method are taught for stimulating sympathetic nerves toward mitigating negative impacts to hematopoiesis. An autonomic nerve actuator and stimulator system with a graphic user interface (GUI), controller circuit which converts treatment parameters into a series of Building Block Waveforms (BBW) which are output to Current / Voltage Driver Circuitry (CDC) whose electrical stimulus (ES) outputs are coupled to one or more electrodes and / or electrode arrays positioned proximal specific nerve situations. The use of this in combination with conventional chemotherapy treatments, such as use of carboplatin, was found to significantly enhance hematopoiesis, with improvements in white and red blood cell counts, platelet concentration and hemoglobin concentration, in addition to other measurable characteristics which increased survival rates in the experimental groups tested.