41 results about "Heart rate fast" patented technology

The present invention relates to a portable device (10) for determining a heart rate of a person (20), comprising a heart rate measurement unit, a motion measurement unit for measuring the motion of a body part (12), and a processing unit. The processing unit is adapted to measure a signal quality of the heart rate signal and accordingly switch between two calculation modes: If the signal quality is above a predefined threshold, the heart rate is calculated based on the heart rate signal. If the signal quality is so poor that a reliable calculation of the heart rate is technically not possible anymore based on the heart rate signal, the processing unit switches to its second calculation mode, in which the heart rate is estimated based on the motion signal by estimating a heart rate constant, which depends on the frequency of the motion signal, and defining an exponential development of the heart rate, starting at the last reliably measured heart rate and finishing at the estimated heart rate constant.

The invention relates to a heart rate-based fall detection method and a heart rate-based fall detection system applied to a wearable electronic device. The system comprises an air pressure unit, a heart rate unit and a fall unit, wherein the air pressure unit is used for starting an air pressure detection function to acquire a relative height difference; the heart rate unit is used for starting heart rate detection if the relative height difference is larger than or equal to a preset height difference threshold; and the fall unit is used for sending a fall alarming signal when the heart rate change value is detected to be larger than or equal to a preset heart rate change threshold. Thus, according to the heart rate-based fall detection method and the heart rate-based fall detection system applied to the wearable electronic device, through detecting the air pressure to trigger heart rate detection, a condition in which an old person does not wear the detection terminal on the body can be eliminated, whether the old person falls can be intelligently judged more accurately, timely help is given, practicability is strong, and the use is convenient.

According to the embodiment, the invention discloses a heart rate measurement method, which is characterized by comprising the following steps: A, determining a training scene, wherein the training scene is in corresponding to a basic heart rate range; B, in accordance with the basic heart rate range corresponding to the training scene and current user information, determining an expected heart rate range; C, recognizing actions of a current user which are made in accordance with the training scene; and D, when it judges that a collected actual heart rate of the current user is matched with the expected heart rate range, recording the actual heart rate, otherwise, correcting and recording the collected actual heart rate in accordance with the expected heart rate range. Therefore, the heart rate measurement system and the measurement system disclosed by the invention can correct heart rate data obtained from actual measurement in accordance with the expected heart rate range, so that the stability and accuracy of heart rate measurement are improved.

The invention relates to a dynamic monitoring system and a warning method for a myocardial blood oxygen supply and demand state based on heart rate and pulses. The dynamic monitoring system is characterized by comprising a signal acquisition unit and a display terminal, wherein the signal acquisition unit comprises an initial blood pressure setting module, a signal acquisition module and a communication module, and the signal acquisition module is used for acquiring heart rate signals via a heart rate sensor, acquiring radial artery pulse signals via a pulse pressure sensor and sending acquired signals to the display terminal; the display terminal comprises a data transmission unit, a pulse signal processing unit, an exercise intensity detecting unit and a warning unit and is used for calculating subendocardial myocardial viability by means of analyzing the radial artery pulse signals in real time and assessing the myocardial blood oxygen supply and demand state according to the current exercise intensity of a user. The invention further provides the warning method of the dynamic monitoring system. The dynamic monitoring system and the warning method have the advantages that corresponding prompts and warnings can be provided for the user according to measurement results of the subendocardial myocardial viability rate, and dynamic monitoring on myocardial blood oxygen supply and demand state of a human body can be achieved.

The invention discloses a heart rate detection device and detection method, and relates to the technical field of medical equipment. One end of a switch is connected with a power source, the other end of the switch is respectively connected with an inertial vibration acceleration detection unit, an inertial vibration acceleration signal processing unit and an online display device, and the inertial vibration acceleration detection unit, the inertial vibration acceleration signal processing unit and the online display device are sequentially connected. The heart rate detection device and detection method can overcome defects in the prior art, the heart rate detection device is easy to use, electrodes are not required to be attached to a human body, and the heart pulse output quantity, the heart impulse interval, the heart rate, the heart rate variability, the respiratory rate and the pressure relax index of the human body can be conveniently detected.

The invention discloses an intelligent terminal for extracting the heart rate of a fetus, which comprises a processor and a Bluetooth communication module. The processor is loaded with a signal receiving module, a signal processing and extracting module, a wavelet transform module and a fetal heartbeat extraction module. According to the intelligent terminal for extracting the heart rate of the fetus, maternal abdominal wall mixed signals are used as input signals, the maternal abdominal wall mixed signals are preprocessed by low-pass filtering and moving average filtering, then a channel of the maternal abdominal wall mixed signals with electrocardiosignals of the best quality is selected with the method of signal quality evaluation as the signal to be processed, energy at all moments within the 20-40 Hz band of the signal is calculated by means of Mexican hat wavelet transform, maternal QRS waves are identified from an energy time series and removed, and peaks corresponding to the remaining energy time series are the fetal electrocardiosignals. The whole process is simple and easy to implement, and the fetal electrocardiosignals can be effectively extracted from the maternal abdominal wall mixed electrocardiosignals, providing a guarantee for a doctor on the diagnosis and treatment of fetal diseases.

The invention discloses a wireless heart rate monitoring system, which comprises a wireless heart rate device, a wireless transceiver and a processor, wherein the wireless heart rate device is connected with the processor through the wireless transceiver and is used for acquiring and storing heart rate data and sending the heart rate data to the wireless transceiver; the wireless transceiver is connected with the processor, is used for sending the heart rate data to the processor and comprises a control module, a first wireless transceiver module, a second wireless transceiver module and a third wireless transceiver module; the first wireless transceiver module is connected with the control module and is used for receiving instant heart rate data; the second wireless transceiver module is used for receiving the stored heart rate data; the third wireless transceiver module is used for sending the heart rate data to the processor; and the processor receives and analyzes the heart rate data. The wireless heart rate monitoring system has a wide monitoring range; and each wireless heart rate device has an independent code and has the functions of storing the heart rate data, and uploading the instant heart rate data and storing the heart rate data at the same time, so the loss of the heart rate data of a user is avoided.

The invention relates to a method for detecting a heart rate and a heartbeat interval without constraints in real time. The method utilizes an acceleration sensor installed on a bed side in a range ofa lower limb of a human body to measure bed body vibration caused by heartbeats, acquires acceleration sensor data by means of data acquisition equipment, and transmits the acceleration sensor data to an upper computer for processing. The method can automatically judge whether the person is in bed, detects the heart rate in real time when the person remains stationary, and is not affected by thesleeping posture. The method does not require training and learning, has the advantages of small calculation amount, good real-time performance and high precision, can obtain the heart rate and can obtain each heartbeat interval.

The invention discloses an animal heart rate monitoring system and a neural network based heart rate state recognition method. The monitoring system includes an acquisition device and an intelligent terminal application; the acquisition device can acquire a contact pressure, the heart rate, and the acceleration information of an animal to be monitored, and can determine if there is an effective contact or not according to the contact pressure; and the intelligent terminal application receives effective animal data of the acquisition device, and recognizes the effective animal data as an animal heart rate state. The recognition method is based on a neural network, can perform training and learning based on a sample set, and can recognize the animal heat rate state on the basis of the trained model. The monitoring system can achieve automatic detection and remote real-time monitoring of the animal heart rate without manual detection or records, and can save lots of manpower. The recognition method can eliminate differences in species, ages, individuals and motion states of the animals, is really customized for each object to be monitored, and can achieve accurate and effective body temperature monitoring.

The invention discloses wearable equipment based on an intelligent watch and blood pressure sensor for detecting heart rate and blood pressure. The equipment comprises an intelligent watch with a function of detecting heart rate and mixed equipment for measuring blood pressure. When the equipment is used for detecting heart rate and blood pressure by one key, data is uploaded to a mobile terminal server (cloud server), and users can access the server at any time via Internet and acquire related data. By adopting the equipment, the heart rate and blood pressure can be detected at any time by virtue of the intelligent watch, and family members can acquire related information at any time via Internet. The equipment is simple and convenient to operate, and has excellent development prospect and huge social benefits.

The invention discloses a blood pressure and heart rate test instrument which comprises a blood pressure and heart rate acquisition module, a blood pressure and heart rate monitoring judgment module and a blood pressure and heart rate analysis module, wherein the blood pressure and heart rate acquisition module is used for obtaining and acquiring blood pressure and heart rate signals in the whole measurement process; the blood pressure and heart rate monitoring judgment module is used for preliminarily judging whether the signals obtained by the blood pressure and heart rate acquisition module are normal or not; the blood pressure and heart rate analysis module is used for analyzing states of blood pressure and heart rate in an exceptional situation and comprises a fuzzy self-learning setting module, a blood pressure and heart rate exception mathematic model library, a man-machine interface program module, a communication program module, a fault diagnosis module, a system comprehensive configuration module and data analysis storage and USB (universal serial bus) interface drive modules, and the modules are mutually triggered and coordinated by adopting a message mechanism. The blood pressure and heart rate test instrument can effectively perform subdivision on bradycardia, tachycardia, sinus arrest, dropped beat, premature beat, RonT and sinus arrhythmia in an arrhythmia situation and effectively give users a prompt.

The invention discloses a method and device for measuring a heart rate. The method comprises the following steps: if a heart rate detection signal triggered by a user is detected, detecting whether the current state of a smart watch meets the condition of heart rate detection; and if the current state of the smart watch meets the condition of the heart rate detection, starting the heart rate detection device, and obtaining the current heart rate data of the user via the heart rate detection device. When the user detects the heart rate, the method utilizes a light detection device to judge whether ambient light has an influence on the detection and detects and outputs a result if no influence happens, thus effectively preventing a mistaken detection result from misguiding and influencing the user.

The invention provides an ECG measurement-based heart rate earphone, a heart rate test method and a device, and relates to the technical field of earphones. The earphone structurally comprises an earphone body. The earphone body is provided with a left-ear electrode and a right-ear electrode. The earphone body is also provided with an acceleration sensor, a data processor and a communication module. The acceleration sensor is matched with the left-ear electrode and the right-ear electrode to collect the acceleration and the heart rate of a rider during riding. A corresponding table between a riding speed X, and the difference between a heart rate curve tested by three electrodes at the riding speed X, and a heart rate curve tested by two electrodes at the riding speed X, is established. After that, the data processor is placed into the corresponding table for query purpose. As a result, heart rate data can be tested by utilizing two electrodes. In combination with the actual riding speed tested by the acceleration sensor, heart rate data tested by utilizing three electrodes can be obtained through the inverse method. The ECG measurement-based heart rate earphone can utilize only two electrodes. Compare with existing heart rate earphone based on three electrodes, the above heart rate earphone is simple in structure and convenient to use. The heart rate test method is simple and easy to implement.

A method for determining physiological cardiac parameters as a function of a heart rate is provided. For at least two heart rates adjusted by a cardiac stimulation during the recording, in each case, a four-dimensional image data set of the heart showing the entire cardiac cycle is recorded using an X-ray device. The physiological cardiac parameters are determined by evaluation of the four-dimensional image data sets.

The invention discloses a heart rate dynamic time irreversibility analysis method based on equivalent arrangement which is applied to the physiological signal analysis technology field, and aims at solving a problem of lack of effective extraction of dynamic unbalance characteristics in the prior art. In the invention, a dynamic time irreversible concept is innovatively provided, a currently obtained heart rate signal serves as a positive sequence heart rate sequence, a time reverse sequence is performed on the positive sequence heart rate sequence so as to obtain a reverse sequence heart ratesequence. Then, multi-dimensional phase space reconstruction is performed on the positive sequence heart rate sequence and the reverse sequence heart rate sequence. Equivalent arrangement symbolization is performed on a space vector of the reconstructed positive and reverse heart rate sequences, and heart rate dynamic time irreversibility is extracted and identified by calculating a time irreversibility difference between the positive and reverse heart rate sequences in the past and the positive and reverse heart rate sequences in a current state based on equivalent arrangement. The method can be used to effectively extract and identify a dynamic time irreversible characteristic of the heart rates of healthy young people and old people.

The invention provides a cardiopulmonary exercise testing method and system based on real-time monitoring of the heart rate and blood pressure. The method comprises the following steps that body datawhen a user conducts first-level cardiopulmonary exercise endurance testing is monitored, wherein the body data comprises the real-time heart rate in the testing process; according to the measured real-time heart rate and blood pressure data, whether or not a motion testing stopping condition is met is judged, and if yes, testing is stopped, an acquired true MET value which represents the physicalquality of the user is used as the metabolic equivalent of cardiopulmonary exercise endurance testing of the user; if not, first-level cardiopulmonary exercise endurance testing is completed, and second-level cardiopulmonary exercise endurance testing is started; the steps above are repeated; if the user passes testing of all levels, the true MET value of the user is determined. The cardiopulmonary exercise testing method and system provide a good platform and scientific guidance for improvement of the physical quality of the whole people, and help to popularize a fitness concept among the public.

The invention discloses a heart rate monitoring device and a heart rate monitoring method.The heart rate monitoring device comprises a heart rate monitoring unit used to utilize a photogenerator to produce incident light of single wavelength light to a human skin, an analysis processing unit used for acquiring reflection light of the single wavelength light, analyzing the incident light and the reflection light and calculating according to a heart rate computational formula to acquire a current heart rate value, and a display and output unit used for displaying and outputting the heart rate value obtained through calculation of the analysis processing unit. The heart rate monitoring device is simple to operate and convenient to carry, the heart rate value is continuously detected, a heart rate curve is drawn, the current heart rate value or one section of the heart rate curve is chosen to be outputted according to the user input, and the heart rate condition of a user in a certain period of time is reflected through the heart rate curve.

The invention provides a heart rate measuring instrument comprising a heart rate acquisition circuit, a heart rate amplification circuit, a heart rate comparison circuit, a main control circuit and anacquisition control circuit. The heart rate acquisition circuit includes an infrared transmitting tube and an infrared receiving tube; the heart rate amplification circuit includes a signal amplifier; the heart rate comparison circuit includes a signal comparator; the main control circuit includes a main control chip; the acquisition control circuit includes a pyroelectric infrared sensor. Through the design of an acquisition control module, the acquisition of whether or not to trigger the heart rate is automatically carried out by using the pyroelectric infrared sensor, and the trigger control of the heart rate acquisition is not required, which facilitates the operation of a user and improves the user experience; through the design of the heart rate acquisition circuit, the heart rate amplification circuit and the heart rate comparison circuit, acquisition, amplification and comparison of the heart rate can be effectively and automatically carried out, the stability of the whole circuit structure is effectively improved, and the accuracy of heat rate measuring is improved.

The invention relates to the technical field of medical health, in particular to a heart rate calculation method based on heart sound. The method comprises the following steps of: acquiring real-timeheart sound signal and processing the waveform of the heart sound signal to form a calculable characteristic waveform; detecting the time interval T between adjacent two peaks and calculating an instantaneous heart rate value; calculating arithmetic mean values of the instantaneous heart rate values in turn according to each successive five beats; utilizing a system estimation method to process the arithmetic average values to obtain corresponding estimation values; carrying out anti-misjudgment processing on the calculated values and the estimated values. According to the calculation method,under the premise of accurate detecting the heart rates, the calculation amount is small, the complexity is low and the real-time property is good, and the calculation method is suitable for calculation on the basis of an embedded chip, so that the development cost of a enterprise product can be reduced; Kalman estimation equation is used in the data processing, so that the final result cannot beinfluenced by the signal-to-noise ratio and the human and environmental interference, and meanwhile, stable and reliable heart rate results can be obtained.

The invention relates to the field of information technology, and discloses a heart rate monitoring device and a heart rate monitoring method. According to the heart rate monitoring device and the heart rate monitoring method, a heart rate sensor monitors the heart rate of a user, a processor judges that whether the heart rate of the user is within the preset heart rate range or not, and if the heart rate of the user is not within the preset heart rate range, the processor sends out a first control signal, wherein the first control signal is used for controlling a communication unit of the heart rate monitoring device to dial a prestored phone number, so that the user of the prestored phone number is informed. With the heart rate monitoring method provided by the invention, the heart disease occurrence of the user can be informed urgently.

The invention relates to the technical field of physiological data collection, and discloses heart rate variability monitoring underwear. The heart rate variability monitoring underwear comprises a heart rate variability module arranged on the underwear, and the heart rate variability module comprises three sampling electrodes, an ADC sampling unit, a heart rate variability analysis unit and a micro control unit, wherein the three sampling electrodes make contact with the skin to obtain physiological electronic signals; the ADC sampling unit is in signal connection with two sampling electrodes to extract weak bio-electricity signals; the heart rate variability analysis unit obtains heart rate data according to the bio-electricity signals extracted by the ADC sampling unit, carries out heart rate variability analysis on the heart rate data, and outputs a heart rate variability analysis result; the micro control unit coordinates work of all the units. As the heart rate variability module capable of collecting heart rate change is arranged on the underwear, it can be ensured that the heart rate variability module makes contact with the skin in real time, the heart rate data can be collected in real time, heart rate variability can be predicted and reminded in real time, timeliness of electrocardio acquisition data and prediction accuracy is improved, and the mental stress and sudden death risk of a user are prevented and reminded.

The embodiment of the invention discloses a heart rate patch and a heart rate monitor. The heart rate patch comprises a power supply module and a heart rate sensor, and the power supply module is connected with the heart rate sensor and used for supplying power to the heart rate sensor; the power supply module comprises a coil winding and an electricity storage unit, the coil winding and an external electricity generation coil generate electric energy through electromagnetic induction and / or magnetic resonance, and the electric energy is stored in the electricity storage unit; the heart rate sensor is used for detecting the heart rate of a user and obtaining heart rate detection data. According to the embodiment of the invention, by arranging the power supply module comprising the coil winding and the electricity storage unit in the heart rate patch, the coil winding and the external electricity generation coil generate electric energy through electromagnetic induction and / or magneticresonance, the electric energy is stored in the electricity storage unit, and thus there is no need to occupy the space of the heart rate patch by a battery. The heart rate patch of the embodiment ofthe invention does not restrain the activity space of a testee, and the portability is improved accordingly.

The invention discloses a heart rate monitoring mattress which comprises a mattress shell, a filler, an inner container and a heart rate detection strip, wherein the filler, the inner container and the heart rate detection strip are arranged inside the mattress shell; the heart rate detection strip is fixedly arranged on the upper surface of the inner container; the heart rate detection strip comprises a heart rate detection device, Bluetooth equipment and a power supply for supplying power to the heart rate detection device and the Bluetooth equipment. According to the technical scheme of the invention, the surface material and the inner material of the heart rate monitoring mattress are made of antibacterial cotton which is made into the mattress shell in a quilting seam manner, so that a detachable washing function can be achieved, and meanwhile the filled antibacterial fiber also has a function of effectively inhibiting reproduction of bacteria; the heart rate monitoring strip is fixed on the inner container, the surface material covering one end of the heart rate monitoring strip can be opened, then the heart rate monitoring strip can be conveniently charged, and in addition, the heart rate monitoring strip can last for one month at most after being charged once, and the service life is determined according to different situations.

Disclosed embodiments pertain to the measurement of heart rate in the presence of motion and noise. Spectral peaks in measurements by an optical sensor are compared with spectral peaks obtained from amotion sensor signal measurements, to obtain a fundamental frequency in the optical sensor signal, where the fundamental frequency is associated with a user's heart rate. A first heart rate may be estimated based on the fundamental frequency. A variety of quality metrics may be determined for the first heart rate estimate. A second estimated heart rate may be determined based by processing a frequency domain representation of the optical sensor signal based on a frequency domain representation of the motion sensor signal. One or more of the previously determined quality metrics may be dynamically adjusted based on a comparison of first and second estimated heart rates.

The invention discloses a portable heart rate monitor which is characterized by comprising a control module, a heart rate testing module and a display module, wherein the control module is connected with the heart rate testing module and the display module. According to the portable heart rate monitor, the transparency of human tissues is measured through a photoelectric sensor, noninvasive monitoring is conducted on the human pulse, the heart rate is measured efficiently, fast, conveniently and accurately in real time in combination with a single chip microcomputer technology, life safety guarantee is provided for people, and data and help are provided for the medical process of doctors.

The invention discloses a pulse and heart rate concurrent monitoring system which comprises a pulse monitor, a heart rate monitor and a monitoring controller. The pulse monitor is provided with a wrist strap and is worn on one wrist of a user through the wrist strap. The heart rate monitor is provided with a hanging rope and a heart rate monitoring head, wherein the heart rate monitoring head is connected with the heart rate monitor through a probe connecting wire, and the heart rate monitor is worn on the neck of the user through the hanging rope. Compared with the prior art, the pulse and heart rate concurrent monitoring system is convenient to carry and wide in application range; a monitoring alarm can be used by a family member of a patient or a medical worker; the pulse and heart rate can be monitored concurrently so that the state of an illness can be found as early as possible; other people can be notified in time even when a heart attack occurs, so that precious rescue time is won.

The invention discloses a heart rate calculation method of heart sound signals with part of first heart sounds missing. The method includes following steps: filtering and denoising collected heart sound signals; binarizing the heart sound signals after being filtered and denoised; respectively extracting coordinate positions of a first heart sound S1 and a second heart sound S2 at a wave peak according to a binarizing result, and storing the coordinate positions of the first heart sound S1 and the second heart sound S2 of each period in an array a [0], a[1],...a[n]; calculating heart rate under the circumstance with part of the first heart sounds missing, traversing the whole heart sound signals to acquire the coordinate positions of a series of reliable S1s, and calculating real-time heart rate of the heart sound signals according to a formula R=60*f / (temporary S1-S1). Irregular signals under the circumstance with part of the second heart sounds absent are segmented, each segment is aheart sound period, a correct heart sound period is screened out finally through several times of correction, and heart rate is calculated on the basis of the correct heart sound period.

The invention discloses a heart rate data real-time monitoring method and system. The heart rate data of a user is collected through heart rate collecting equipment worn on the user body; the heart rate data collected by the heart rate collecting equipment is received in a wireless communication mode; the heart rate data is subjected to preset processing and is then shown. The method and the system have the advantages that monitoring persons can conveniently and remotely know the movement condition of a monitored person in real time, so that a more reasonable and scientific movement plan can be conveniently made on the basis of the movement condition of the monitored person in the subsequent process; a better movement effect is achieved; the customer experience is improved.

The invention relates to the technical field of human health monitoring, and discloses a video-based rapid heart rate detection method for multiple people, which uses a non-contact method to collect video data of the subject through a camera, and converts the color space of the video data from RGB to HSV to realize Quickly measure the heart rate of multiple people. It is characterized in that the method detects and tracks the video input by the camera or multiple face areas in the existing video and segments the cheek area, extracts the time domain data sequence of the cheek area and performs preprocessing, and then converts to the frequency domain Extract the heart rate. Compared with the prior art, the present invention is based on an improved face detection algorithm and an improved tracking algorithm and is accelerated by a multi-thread method, which can realize rapid heart rate detection of multiple people, shorten the time of heart rate measurement, and improve the detection of physiological signals efficiency.

The disclosed embodiments relate to the measurement of heart rate in the presence of motion and noise. Spectral peaks in the measurements made by the optical sensor are compared to spectral peaks obtained from motion sensor signal measurements to obtain a fundamental frequency in the optical sensor signal, wherein the fundamental frequency is associated with the user's heart rate. A first heart rate can be estimated based on the fundamental frequency. Various quality measures of the first heart rate estimate may be determined. A second estimated heart rate may be determined by processing the frequency domain representation of the optical sensor signal based on the frequency domain representation of the motion sensor signal. One or more of the previously determined quality metrics may be dynamically adjusted based on a comparison of the first and second estimated heart rates.