63 results about "Wearable sensing" patented technology

A wearable sensor system with gesture recognition for measuring physical performance 98 includes a sensor ring 100 for providing signals corresponding to finger movement to an information processor 101. The sensor ring 100 internally includes an accelerometer 106 for measuring motion of a predetermined finger, the measured motion corresponding to an exercise routine performed by a user of the system 98, a processor 109 for conditioning the signals from the accelerometer 106, and a transceiver 108 for transmitting the conditioned signals to the information processor 101 for display and feedback to the user for accessing the quality of the exercise. The system 98 further includes means for allowing the user to start and stop the processing of the measured finger motion by moving the finger with sensor ring 100 thereon a predetermined distance and speed.

A variety of device constructs are contemplated in the wearable sensing devices of the present invention, each of which facilitate the monitoring of physical and physiological parameters in humans. Wearable sensing devices are incorporated into a wearable and comprise a small portable power supply; monitoring electronics mounted to or used in the wearable; a processing unit or component; and a memory unit or component to continuously or intermittently record parameter data—such data then being stored in an onboard portable memory unit and/or wirelessly transmitted to another electronic device or devices. The wearable sensing device incorporates a wireless data transmission unit or component to link to a personal computing device. The memory unit can be synchronized with the processing unit to save and then later download monitoring data for detection of any physical or physiological condition that is benign or a condition that requires mediation of some sort.

An ultra-thin wearable sensing device includes a sensor tag IC that enables the device to communicate wirelessly to a reading device. The wearable sensing device includes one or more sensors connected to the sensor tag IC that sense characteristics of the person, animal or object that the sensing device comes in contact with. The sensed characteristics can include biological signals (e.g., ECG, EMG, and EEG), temperature, galvanic skin response (GSR), heat flux and chemicals or fluids released by the skin. The reading device can display the information to the user and/or transmit the sensor data to a remote location for further processing. A doctor can review the data or have the data further analyzed and use this data or information to assist with treatment.

The invention provides an automatic human tumble detecting method based on Kinect skeleton tracking. The automatic human tumble detecting method includes tracking skeleton of a human body through Kinect, acquiring spatial coordinates of six skeleton joints including head, left shoulder, right shoulder, left hip, right hip and the center between hips (defined as human body centroid point), calculating motion speed of the human body centroid point and the distance between the human body centroid point and the ground surface, excluding non-tumble events, timing the stationary state of the human body centroid point to form six judgment conditions, judging whether human tumble events occur or not, and alarming through cellphone texts once tumble events occur. The automatic human tumble detecting method is low in misjudgment rate, and without wearable sensing devices and dependence on visible light, 24-hour continuous real-time detection of the human body can be realized.

The invention belongs to the technical field of wearable sensing, in particular to an electrochemical sensing fabric and a preparation method thereof. The electrochemical sensing fabric disclosed by the invention is woven by a fiber sensor, and has a silver/silver chloride fiber reference electrode woven therein; the fiber sensor comprises a glucose fiber sensor, a sodium ion fiber sensor, a potassium ion fiber sensor, and a pH fiber sensor. The electrochemical sensing fabric can monitor glucose, sodium ions, potassium ions, calcium ions and a pH value in sweat. The electrochemical sensing fabric is woven in a garment and connected with a wireless sensor to construct a smart sensing garment, which can transmit monitored sweat component information to a mobile terminal such as a smart phonein real time; and the electrochemical sensing fabric is an ideal platform for realizing real-time wearable monitoring and has a broad application prospect in the field of wearable electronics.

Provided is a human motion tracking system based on Zigbee/ institute of electrical and electronic engineers (IEEE) 802.15.4. A wireless wearable sensing network is covered on nine independent limbs of a person, and a wireless wearable sensing node is adhered onto each independent limb for monitoring free motion of the limb in the three-dimensional space. In each wireless wearable sensing node, an inertia measuring unit which comprises a three-axis acceleration sensor, a three-axis gyroscope and a three-axis magnetic force sensor is used for calculating the position of the independent limb in the three-dimensional space through an on-line data infusion calculation method. In the wearable wireless sensing network, real-time location data can be transmitted to a substation through the low-consumption wireless communication technology Zigbee/IEEE 802.15.4. The substation forwards the obtained wireless wearable sensing network to a computer in real time. Human motion can be reconstructed in the computer according to a forward motion model. The reconstructed human motion can be transmitted to a remote user through the internet for tememedicine. The human motion tracking system totally eliminates ligature between sensor nodes, do not need a light source for assisting and facilitates system expansion and application development by means of the low-consumption wireless operation system.

The invention provides a gait rectification system based on wearable sensing and tactile feedback. The system comprises a sensing feedback device and a data processing device, wherein the sensing feedback device is in wireless connection with the data processing device; the sensing feedback device is used for adhesion to each body position of a user, sending acquired sensor information to the data processing device and executing a feedback instruction of the data processing device; and the data processing device calculates human body gait parameters according to the sensor information, compares the human body gait parameters with ideal gait parameters to calculate feedback parameters and accordingly sends the feedback instruction generated according to the feedback parameters to the sensing feedback device for rectifying the gait of the user. According to the invention, the system employs a wearable design, can be installed at each position of a human body according to needs, measures the inertia sensor information of each position of the human body, accurately measures present gaits in real time for feedbacks and is not restricted to application environment.

A telemedical interface pressure monitoring system is provided for intermittent or continuous monitoring of the pressure that occurs at the interface between the body and a support surface such as with a compression device, cast or resting surface. The system simultaneously measures interface pressure at multiple compression positions as well as provide real-time measurement data to both patients and clinicians. The system uses an array of one or more sensors and a data collection and transmission node with a microprocessor and transmitter/receiver that transmits the sensor data to a receiver such as a mobile device or cloud or clinic server for remote display, evaluation and automatic recording. Remote receivers can also control compression devices associated with the node.

The invention provides a piezoresistive sensor, wherein the piezoresistive sensor comprises an intermediate layer; the intermediate layer comprises a substrate, an electrode layer, an MXene layer anda polyvinyl butyral layer; the electrode layer comprises a first electrode and a second electrode spaced from the first electrode, and is arranged on the substrate; the MXene layer covers the first electrode and the second electrode; and the polyvinyl butyral layer is arranged on the MXene layer. The piezoresistive sensor can be applied to a flexible wearable sensing device; and the sensitivity, the detection limit and the stability of the piezoresistive sensor are increased.

A wearable sensing band is presented that generally provides a non-intrusive way to measure a person's cardiovascular vital signs including pulse transit time and pulse wave velocity. The band includes a strap with one or more primary electrocardiography (ECG) electrodes which are in contact with a first portion of the user's body, one or more secondary ECG electrodes, and one or more pulse pressure wave arrival (PPWA) sensors. The primary and secondary ECG electrodes detect an ECG signal whenever the secondary ECG electrodes make electrical contact with the second portion of the user's body, and the PPWA sensors sense an arrival of a pulse pressure wave to the first portion of the user's body from the user's heart. The ECG signal and PPWA sensor(s) readings are used to compute at least one of a pulse transit time (PTT) or a pulse wave velocity (PWV) of the user.

The invention discloses a method for producing a patterned flexible conductive graphene cloth. The method comprises the following steps: immersing a cloth fabric in a trichlorovinylsilane compound solution to make the cloth fabric hydrophobic; fixing a pattern template on the surface of the cloth fabric, and processing the patterned part of the cloth fabric through plasma treatment to make the patterned part hydrophilic; and removing the pattern template, forming a graphene oxide film on the surface of the patterned part of the fabric, performing heating reduction on the obtained cloth fabricin a reducing agent solution, and then carrying out water immersion, flushing and air drying to obtain the patterned flexible conductive graphene cloth. The production method has the advantages of simplicity in operation, low requirements on devices and technologies, high utilization rate of raw materials, low cost and realization of mass production; and the patterned conductive graphene cloth produced in the invention has a good flexibility and a high conductivity, and is expected to be used in the fields of flexible electronics, super capacitors and wearable sensing.

The invention discloses a preparation method of a nano fiber and textile electrode integrated wearable sensing member. The method comprises the steps that a coaxial textile electrode is prepared by taking a conductive silver wire as the axial center and winding the outer layer of the coaxial textile electrode with multiple strands of yarns with stronger electronegativity, the outer surface of thecoaxial textile is wrapped with a layer of electrostatic spinning nano fiber membrane with high tensile performance, and a high-tension energy-harvesting wearable sensing member with integrated nano fiber and textile electrode can be prepared. The wearable sensing member can be used for wearable electronic skin, when the electronic skin is externally stimulated, energy harvesting is achieved through triboelectrification for outputting a sensing signal, the preparation of the member is simple, and the wearable sensing member has a hope to achieve industrial development.

A wearable sensing device includes a connector socket provided with contact pads connectable to sensing electrodes for sensing biological electrical signals. A supply module is provided with a battery, which is housed in a first casing configured for reversible coupling with the connector socket. A control module is housed in a second casing distinct from the first casing and configured for coupling with the supply module and with the connector socket. The control module is equipped with a processing unit configured to process biological electrical signals detectable through the contact pads. Mechanical-connection members couple the supply module to the connector socket. Electrical-connection members distinct from the mechanical-connection members are configured to connect the battery and the contact pads to the control module.

The invention relates to a mixed reality high-simulation battlefield first-aid training platform and a training method thereof, and belongs to the technical field of virtual-real combination and training instruments. The training platform is composed of a hardware part and a software part, wherein the hardware part comprises a data processing system, a real-time monitoring system, a head-mounted display device, an intelligent shooting instrument, a wearable sensing instrument and a control handle; the software part comprises a 3D battlefield scene simulation system, a 3D injury simulation system, an injury treatment decision-making system and a movable large-space team cooperation and virtual interaction system; the 3D battlefield scene simulation system comprises a geographic environment3D model and a battle scene 3D model; and the data processing system comprises a PC terminal with a wireless communication module. According to the invention, the battlefield environment is highly simulated, the full-process experience of fighting against enemies, generating wounded personnel, implementing treatment and completing tactical tasks is provided, the battlefield treatment decision andteam cooperation training are highlighted, and the actual level of self-rescue and mutual-rescue of war wounds can be improved.

A method for calibrating a blood pressure monitoring system includes activating a reference monitor to perform a reference measurement of the blood pressure of a user as part of a calibration process. A wearable sensing device is activated to detect a parameter of user that is correlatable to the user's blood pressure. A processor of the user interface device processes the at least one parameter detected by the wearable blood pressure sensing device with reference to the reference measurement to determine a correlation factor that correlates the at least one parameter detected by the wearable blood pressure sensing device to the blood pressure of the user. The reference measurement includes an inflation phase, a measurement phase and a deflation phase. The processor is configured to only use the at least one parameter detected by the wearable blood pressure sensing device during the measurement phase in determining the correlation factor.

The invention relates to a graphene electrochemical transistor sensor prepared by taking glycerin gel as an electrolyte. The graphene electrochemical transistor sensor is used for constructing a flexible wearable sensing device. According to the device, a source electrode, a drain electrode and a grid electrode are constructed on a flexible substrate PET, the three electrodes are all gold layers covering chromium layers, single-layer graphene is transferred between the source electrode and the drain electrode through a wet method to serve as a channel, and functional modification is conductedon the grid electrode through a nano-composite of co-deposited gold and graphene. The device provided by the invention provides a method for carrying out non-enzyme non-invasive detection on glucose in body fluid based on glycerin gel as an electrolyte, has relatively good long-term stability, can be better attached to tissues and organs of a human body based on unique mechanical properties, and is wearable.

Sensing patch systems are disclosed herein. A sensing patch system includes a flexible substrate and a sensor node. The flexible substrate includes one or more substrate sensors configured to provide sensor data, one or more substrate conductors electrically coupled to a corresponding substrate sensor to conduct the sensor data provided by the corresponding substrate sensor, and a node interface. The sensor node includes a substrate interface configured to receive the node interface of the flexible substrate. The sensor node is configured to receive the sensor data provided by the substrate sensors, process the sensor data, and communicate the processed sensor data to a remote device.

The present invention relates to a sports activity and accident risk monitoring system and a method thereof. The system includes a wearable sensing device that is as worn by a user and is capable of sensing an activity state of the user; a terminal capable of processing activity information in conjunction with the wearable sensing device; and a server that is connected to the terminal through a network, grasps a sports activity pattern, personal data for each item, and whether or not an accident occurs by receiving, processing, and analyzing the activity information of the user, and transmits a feedback signal to the terminal.

The invention discloses an energy metabolism assessment method based on wearable sensing information fusion and a system thereof. The method comprises the following steps: acquiring electrocardiosignal information reflecting the physiological state of a human body, acceleration signal information reflecting the exercise intensity level of the human body and physical characteristic information of a human body structure; inputting the electrocardiosignal information into a first convolutional neural network to extract electrocardiosignal features, inputting the acceleration signal information into a second convolutional neural network to extract acceleration features, wherein the first convolutional neural network and the second convolutional neural network are obtained through training, and the first convolutional neural network and the second convolutional neural network are both multi-branch structures so as to extract multi-scale features; and fusing the electrocardio characteristics, the acceleration characteristics and the physical characteristic information of the human body structure, and predicting corresponding energy metabolism information based on the fused characteristics. By means of the method, accurate calculation of energy consumption in the movement process can be achieved, and the generalization ability is high.

The invention relates to a stress luminescent material as well as preparation and application thereof. The composition comprises a stress luminescent material, nanoparticles and an elastic polymer. The visual sensing device has sensitive visual response to mechanical force stimulation, force-light visual sensing is achieved under the condition that no external power supply exists, and the decoration attractiveness of clothes is improved. And the sensor can be widely applied to the aspects of flexible wearable sensing, medical health monitoring, intelligent traffic warning and the like.

The invention discloses a wearable induction warning device, which comprises a wearable piece, which is equipped with a light induction unit, a light driver, a main controller and a power supply unit connected electrically for power supply. The wearable piece can be worn to warn coming vehicles. The light induction unit comprises a close-range light collecting inductor and a middle-range light collecting inductor. The close-range light collecting inductor and the middle-range light collecting inductor can sense head lamp light sources of coming vehicles from regions in different distances, so that the main controller can accurately judge whether the distance between each other is closing or enlarging and relative approaching velocity, and can accurately control a light warning unit to realize fast or slow warning flash corresponding to the relative distance and the relative approaching velocity with respect to the head lamp light sources. The wearable induction warning device can enable coming vehicle drivers to accurately judge the relative distance and speed with respect to the wearable piece so as to prevent possible collision, and has better use safety and achieves benefits.

The invention discloses a water heater safety monitoring device and method. The water heater safety monitoring device comprises a wearable induction device, at least two signal receiving modules and acontroller, wherein the wearable induction device is used for transmitting signals periodically; the at least two signal receiving modules are arranged fixedly relative to a water heater and used forreceiving signals transmitted by the wearable induction device and generating distance information between the wearable induction device and the signal receiving modules according to the signals; andthe controller is used for obtaining the distance information generated by the signal receiving modules and judging whether a user falls down or not according to the distance information. According to the water heater safety monitoring device, by arranging the wearable induction device, the signal receiving modules and the controller, the controller judges whether the user falls down or not according to the distance information between the wearable induction device and the signal receiving modules and generated by the signal receiving modules, and alarming is conducted through an alarming module; and when the user falls down, in-time monitoring and reminding can be achieved, and big loss even life danger of the user is avoided.

The invention discloses a preparation method of a room-temperature semiconductor gas sensing material and a sensor, the gas sensor material is a ZnO-SnO2: F-TiO2-CuO/graphene composite nano material,and the gas sensor material is used as a sensing material to prepare a room-temperature gas sensor. The preparation method comprises the following steps: preparing unit oxide nano material precursor liquid, preparing multi-component oxide nano material precursor liquid, synthesizing a multi-component oxide nano material, preparing a multi-component oxide/graphene composite nano material, and manufacturing the room-temperature gas sensor. The preparation technology and process are successive and organically unified, and the prepared room-temperature gas sensor can realize effective room-temperature sensing of hydrogen sulfide, ethanol, methane and other gases and is applied to intelligent and wearable sensing products.

The invention discloses a method and system for detecting coronavirus infection by utilizing an internet-of-things wearable device, and relates to the field of medical health. The method comprises the following steps that: S1, the internet-of-things wearable device completes collection of coronavirus clinical symptom data of a device wearer through a sensor; S2, the internet-of-things wearable device uploads the clinical symptom data to an internet-of-things remote data processing device through a network or a communication protocol; S3, sampling, filtering and classified detection are carried out on the clinical symptom data after the internet-of-things remote data processing device receives the clinical symptom data; S4, the internet-of-things remote data processing device performs data fusion on processing results of the clinical symptom data; and S5, the fused data is directly classified by using a threshold rule or a machine learning algorithm to determine a detection result. The wearable sensing device can be utilized for effectively detecting early clinical symptoms of coronavirus infection.