18 results about "Vibrotactile stimulus" patented technology

The invention discloses a wearable tactile biological gait feedback system and method for a Parkinson's patient, and belongs to the field of human gait rehabilitation, and the system comprises the following modules: a posture sensing module which obtains the information of an accelerometer, a magnetometer and a gyroscope at the positions of two feet by using an inertial sensor IMU bound to the surfaces of the two feet; the data processing module is used for receiving the data information of the posture sensing module, estimating the posture of the two feet, estimating the gait phase of the two feet by using the posture of the two feet, and finally outputting a signal according to a gait feedback stimulation strategy; and the tactile feedback module is used for receiving the stimulation signals of the data processing module and providing vibration stimulation signals at the back and thigh gastrocnemius muscles. According to the wearable tactile biological gait feedback system and method for the Parkinson's patient, related posture data provided by an IMU can be utilized, double-foot posture estimation can be completed through multi-rate multiple-correlation-entropy Kalman filtering, double-foot phases are estimated through a self-adaptive oscillator algorithm, and the wearable tactile biological gait feedback system and method for the Parkinson's patient are obtained. And implementing vibration stimulation based on a set gait feedback strategy.

A method for inducing a sensation of motion in a subject, comprising defining a vibrational stimulation pattern for a subject; generating a set of electrical signals corresponding to the vibrational stimulation pattern; and transducing the set of electrical signals into a vibrations corresponding to the set of electrical signals with a plurality of electromechanical transducers, wherein the vibrations are adapted to induce the sensation of motion in the subject.

The present invention discloses a multimodal bionic tactile perception method and system based on a bionic tactile finger. The method comprises: obtaining a charge signal generated by the bionic tactile finger, preprocessing the charge signal to obtain a piezoelectric digital signal; obtaining an image sequence captured by the bionic tactile finger, performing signal processing on the image sequence to obtain a visual tactile signal; fusing the piezoelectric digital signal and the visual tactile signal to obtain a spatiotemporal tactile signal, and performing surface three-dimensional reconstruction and spectrum analysis on the spatiotemporal tactile signal to obtain multimodal tactile information. Based on the bionic characteristics of the finger, the present invention integrates piezoelectric sensors and visual tactile sensors to design a bionic tactile finger. Data fusion is performed in the temporal and spatial dimensions to achieve multimodal tactile perception capabilities. Through structural and functional bionics, the robot's tactile sense acquires the ability to recognize and locate different vibration stimuli in different time and space.

Provided are an integrated tinnitus system for stimulating heterogeneous sensory organs through a user terminal, and an integrated tinnitus therapy method using same. The method may comprise the steps of: measuring a tinnitus frequency of a user; generating a vibration stimulation signal frequency having the same frequency as the tinnitus frequency, and an auditory stimulation signal frequency having the same frequency as the tinnitus frequency; transmitting the vibration stimulation signal and the auditory stimulation signal to the user; and storing tinnitus therapy information including durations of the vibration stimulation signal and the auditory stimulation signal received by the user.

To provide a vibration stimulation device that allows a frailty prevention effect to be expected.SOLUTION: A vibration stimulation device includes a vibration imparting device 3 for imparting vibration to the body of a user and an input part to which a music signal output from a sound source is input. The vibration imparting device 3 is operated by a vibration waveform obtained by adding a vibration waveform (hereinafter referred to as a basic waveform) for promoting a frailty prevention effect to a vibration waveform (hereinafter referred to as a music waveform) based on the music signal input to the input part. Thereby, if the vibration stimulation device is used in a state that music related to the music waveform is reproduced, for example, the user can receive the vibration by the vibration waveform for promoting the frailty prevention effect, that is, the basic waveform, while enjoying the music.SELECTED DRAWING: Figure 1

The invention relates to the technical field of medical electronic systems, discloses a brain vibration stimulation signal regulation and control method and system, and is used for solving the problems that a brain vibration stimulation regulation and control system in the prior art is single in regulation and control method, regulation and control parameters cannot be adjusted according to needs, and the regulation and control cost is low. And the generated vibration stimulation signal cannot meet the requirement for diversity of nerve regulation and control. The method specifically comprises the steps of obtaining an intervention demand of brain vibration stimulation, and determining a vibration stimulation signal type according to the intervention demand; based on the vibration stimulation signal type, determining a vibration intervention unit distribution position required for generating the target vibration stimulation signal type and a vibration parameter of each vibration intervention unit; and controlling each vibration intervention unit to output a vibration signal based on the corresponding vibration parameter, and generating a brain vibration stimulation signal through interference cooperation of each vibration signal. According to the method, the brain vibration stimulation signal capable of meeting the nerve regulation diversity can be generated according to the stimulation requirement on the brain, and the efficiency of transmitting the subsequent vibration signal energy into the brain is improved.

The method of operation of a wearable device according to the present invention comprises: a step in which a microphone array module acquires noise magnitude information and direction information; a step in which a wireless communication module transmits the noise magnitude information and direction information to an external cloud server via a user's smart device under the control of a processor; a step in which the wireless communication module receives noise source identification information and risk level information corresponding thereto from the external cloud server via the smart device under the control of a processor; a step in which the processor generates a control signal to provide at least one stimulus among vibration stimulation, electric stimulation, and visual stimulation by a light-emitting element to a user using at least one of the noise magnitude information, the noise direction information, the noise source identification information, and the risk level information corresponding thereto; and a step in which at least one of a vibration element, an electric stimulation array, and a light-emitting element operates to generate at least one stimulus according to the control signal.

To provide a tactile presentation device capable of presenting vibration stimulation to a user.SOLUTION: A tactile presentation device for a mobile body comprises a handle for controlling the direction of travel of the mobile body. The handle has a first area configured for a user's palm and a second area configured for the user's fingertips. The tactile presentation device comprises a first vibration actuator disposed in the first area. The tactile presentation device comprises a second vibration actuator disposed in the second area. The tactile presentation device comprises a control part capable of controlling the vibration state of the first vibration actuator and the second vibration actuator. The control part vibrates the first vibration actuator during the period the mobile object is moving and vibrates the second vibration actuator in response to a predetermined event occurring.SELECTED DRAWING: Figure 1

An information processing apparatus includes a control unit that generates a vibration stimulation signal to be provided to a user based on sound signals in content, wherein the control unit is configured to: acquire data of the content, the content including sound signals; perform analysis processing on the sound signals; and generate a vibration stimulation signal to be provided to the user in a conversion processing of the sound signals based on the results of the analysis processing.

By providing vibrational stimulation to the driver, the system encourages the driver to enter a mental state suitable for safe driving. [Solution] In the vibration presentation method, a vibration actuator is used to vibrate a component inside the vehicle that the driver comes into contact with, generating vibrations that simulate heartbeat vibrations (S5). Risks in the vehicle's driving environment are detected (S1). In accordance with the detected risks, the heart rate or intensity of the heartbeat vibrations simulated by the vibration actuator is changed (S3, S6, S7).

The invention provides a wearable electrical stimulation perception enhancement device and method. The device comprises a detection stimulation module and a control module. The detection stimulation module comprises a neck sleeve, a plurality of electrodes installed on the inner side of the neck sleeve, a myoelectricity data processing unit and an electric stimulation driving unit. In the man-machine interaction process, different information is provided for a user by applying electrical stimulation with different intensities and different frequencies to electrodes at different positions of the user. According to the invention, information is transmitted through the tactile channel at the neck with strong perception ability, the cognitive load of vision and hearing can be effectively reduced, and the success rate of information transmission and the work performance are improved; moreover, compared with the traditional vibration stimulation, the electrical stimulation adopted by the invention has the advantage that the electrical stimulation is not easy to be masked by movement, and the perceptibility of the tactile signal is improved. Moreover, the method has the advantage that the hand operation of the user is not easily influenced when the method acts on the shoulder and neck of the human body, and the information interaction density can be improved in a navigation scene.

This invention provides a biological state guidance device. The biological state guidance device includes: a biological state inference unit that infers the biological state of a vehicle driver; a target value determination unit that determines a target value, which is an index for setting the driver's biological state as a target state; an acoustic stimulus generation unit that, based on the inferred biological state and the target value, controls an acoustic stimulus generation device to generate acoustic stimuli to guide the driver's biological state towards the target value; a passenger information acquisition unit that acquires passenger information related to passengers in the vehicle other than the driver; a target state determination unit that, based on the passenger information, determines a target state of the passenger's biological state; and a vibration stimulus generation unit that controls a vibration stimulus generation device to stimulate the passenger through vibration, the vibration stimulus generation unit generating the vibration to guide the passenger's biological state to the target state.

An actuator provides vibrational stimulation to a recipient of a bone conduction device. To ensure proper operation of the actuator, a known signal is delivered to a coil associated therewith. An output signal from the coil is analyzed for distortion, the presence of which indicates that the actuator is out of balance. If distortion is present, adjustments are made to the position of certain embodiments within the actuator to obtain a properly balanced device. Methods also include testing for distortion, after manufacture of the device.

In general, the present invention relates to neuromodulation. In particular, the present invention relates to a stimulation unit for applying a vibrotactile stimulus to a part of a user's body. Such a stimulation unit comprises a contactor for contacting the user's body part and an oscillation arrangement for guiding and accelerating the contactor along an oscillation direction, the oscillation arrangement being designed to accelerate the contactor substantially only along the oscillation direction. The present invention also relates to devices comprising such stimulation units and methods utilizing such stimulation units.

This invention discloses an emotion training system and method based on multi-sensory intervention and AI dialogue, belonging to the field of computer application and artificial intelligence technology. The system achieves proactive intervention throughout the entire cycle of panic attacks or acute anxiety attacks through the collaborative work of a multi-sensory intervention module, an AI dialogue system, a user data recording and feedback subsystem, and a peak detection state machine. The method includes: initiating AI dialogue and collecting multi-source evidence data; presenting dynamic storm visual effects, playing audio and vibration stimuli; calculating the emotion intensity curve I(t) based on real-time physiological proxy data (heart rate HR, skin conductance response GSR) and interaction data; automatically switching the stimulation parameters between peak and non-peak periods when the multi-source evidence score meets the threshold condition; calculating the amygdala sensitivity index (ASI), prefrontal control index (PCI), growth score (G), and courage index (CI) after the session ends, and generating a training report. This invention overcomes the limitations of traditional psychological applications that rely on a single sensory focus and passive relief, achieving closed-loop training with real-time detection, dynamic intervention, and effect quantification during the attack period.

The utility model discloses a medical and domestic dual-purpose multi-sensory stimulation device. The device comprises a main body, a control module, a cold stimulation module, a heat stimulation module, a visual stimulation module, an auditory stimulation module, a vibration stimulation module, a pain stimulation module and a touch soft, hard and density stimulation module. A plurality of stimulation modules are integrated in one device, stimulation of cold sense, heat sense, visual sense, hearing sense, vibration, pain sense and tactile sense of a patient can be completed through one device, and the user experience of using the medical-home dual-purpose multi-sensory stimulation device is improved.

The application provides a method, system, medium and equipment for regulating brain function by vibration stimulation, comprising the following steps: step 1, a vibration stimulation module suitable for the head is designed and developed by using the principle of electromagnetic induction; step 2, the vibration stimulation module is placed in a preset position and turned on, and the vibration amplitude and vibration frequency are adjusted; step 3, the vibration duration is set and vibration is carried out, and functional magnetic resonance data is obtained; and step 4, the vibration efficiency is evaluated, functional magnetic resonance sequences are used for scanning before and after vibration, the functional magnetic resonance data is processed and analyzed, low-frequency fluctuation amplitude images representing spontaneous brain activity and whole brain gray matter signal and cerebrospinal fluid signal coupling are obtained. The application realizes the purpose of precise transcranial vibration stimulation, realizes high-amplitude and high-frequency precision transcranial vibration stimulation by combining functional magnetic resonance with transcranial vibration stimulation based on the vibration stimulation module, and can detect the influence of vibration on brain function.