Matches 51 - 100 out of 201 < 1 2 3 4 5 >
Match Document Document Title
5876350 EKG based heart rate monitor with digital filter and enhancement signal processor  
A convenient low-cost heart rate monitor. In one embodiment, a digital filter structure includes a low pass filter having a notch at 60 Hz and a bandpass filter which amplifies signals in a...
5865762 Module for recording the instantaneous heart rate and portable module for working same  
The invention relates to a portable module for recording the cardiac activity of a person with the aid of a device delivering an ECG signal. The device includes a main energy source connected to a...
5840039 Method and apparatus in connection with measuring the heartbeat rate of a person  
The present invention relates to a method and apparatus in connection with measuring the heartbeat rate of a person. In the method, the ECG signal of the person and the timing moment of at least...
5820567 Heart rate sensing apparatus adapted for chest or earlobe mounted sensor  
A heart rate sensing apparatus includes user mounted means for sensing the electrical activity of a user's heart and for transmitting a signal derived from the electrical activity of the user's...
5771898 Method and apparatus for accurate counting of paced heartbeats  
A heartrate monitor of the invention includes a signal receiver adapted for being coupled to at least one sensor coupled to a medical patient, for providing an ECG signal and a pacemaker detection...
5769085 Apparatus for detecting awareness of a vehicle driver and method thereof  
A heartbeat rate detection apparatus and method which can accurately detect a heartbeat of a driver by simultaneously detecting a heartbeat rate of the driver with an infrared sensor, and detecting...
5715829 Method and apparatus for detecting heartbeats in an ECG waveform using an activity function and on-time search  
A method and apparatus for detecting heartbeats obtains ECG data from a plurality of ECG waveforms, which are in turn obtained from signals received from a plurality of ECG electrodes. QRS...
5690119 Method and system for measuring heartbeat rate using telemetric data transmission  
The invention relates to a method and system for measuring heartbeat rate using telemetric data transmission. In the method, a heartbeat rate signal is measured from the object to be measured by...
5682901 Method and apparatus for measuring autonomic activity of a patient  
A method and apparatus for measuring activity of the autonomic nervous system of a patient involves obtaining ECG signals form the patient while the patient is at rest, measuring the R-R intervals...
5628326 Calculating a heart rate from an ECG waveform by discarding a percentage of R-R intervals prior to averaging  
A method and apparatus for calculating a heart rate obtains ECG data from a plurality of ECG waveforms, which are in turn obtained from signals received from a plurality of ECG electrodes. Heart...
5577510 Portable and programmable biofeedback system with switching circuit for voice-message recording and playback  
A portable and programmable biofeedback system which senses a physiological variable, such as heart rate, and both displays the physiological variable in a visual display in real time and activates...
5558098 Method and apparatus for detecting lead sensing artifacts in cardiac electrograms  
An ICD system and method for its use which will detect the presence of sensing artifacts caused by lead conductor fracture, lead insulation failure or connector port fluid penetration. When such a...
5558096 Blood pulse detection method using autocorrelation  
A medical monitor determines the period of a physiological function, such as blood circulation pulses, by operating a probe that produces an electrical signal which corresponds to the physiological...
5511554 Real-time artifact removal from waveforms using a dynamic filter having a fixed delay  
During sampling, a finite impulse response (FIR) filter separates a composite signal into two components, non-cardiac physiological phenomena and cardiac artifacts. The length of the filter window...
5503160 Dynamic filter for real-time artifact removal from waveforms  
During sampling, a finite impulse response (FIR) filter separates a composite signal into two components, non-cardiac physiological phenomena and cardiac artifacts. The length of the filter window...
5464020 Diagnosing and treating subacute cardiac dysfunction  
A method for diagnosing subacute cardiac dysfunction is performed by electrocardiographically monitoring an ambulatory patient who has persistent unexplainable fatigue and determining the frequency...
5453929 Control system with driver monitor  
A vehicle control device such as a steering wheel is equipped with a number of sensors for sensing physiological variations in the human vehicle operator. These sensors are coupled to a master unit...
5441525 Pacemaker with vasovagal syncope detection  
A rate-responsive cardiac pacemaker implements a novel scheme which detects incipient vasovagal syncope (or other episodes caused by a vasodepressive or cardioinhibitory disorder) when a) the heart...
5428640 Switch circuit for setting and signaling a voltage level  
A switch circuit is disclosed which both sets the voltage at an output terminal and signals that the voltage has been set. The switch circuit may be implemented with a single-pole single-throw...
5413111 Bead thermistor airflow sensor assembly  
A bead thermistor air flow sensor assembly comprising bead thermistor and circuit conductor completely encapsulated between upper and lower layers of thin plastic film. The thermistors are mounted...
5411031 Implantable cardiac patient monitor  
A cardiac monitor which is fully implantable beneath the skin of a patient monitors heart rate variability of a human heart. The heart rate monitor includes at least one electrode which establishes...
5404880 Scatter diagram analysis system and method for discriminating ventricular tachyarrhythmias  
A computationally efficient two channel scatter diagram analysis algorithm for distinguishing monomorphic ventricular tachycardia (VT) from polymorphic ventricular tachycardia and ventricular...
5391187 Semiautomatic defibrillator with heart rate alarm driven by shock advisory algorithm  
A defibrillator with an alarm driven by both a heart rate detector and a fibrillation/tachycardia advisory algorithm. The defibrillator is a semiautomatic. By driving the alarm from both sources,...
5383910 Method and apparatus for tachyarrhythmia detection and treatment  
A device for detection and treatment of tachycardias, which is able to selectively identify the occurrence of re-entrant AV nodal tachycardia, and to distinguish it from sinus tachycardias. The...
5375607 Telemeter apparatus for counting a heart rate  
A telemeter apparatus for counting a heart rate is provided which can accurately measure a heart beat signal without being affected by a radio interference between adjacent exercise test systems. A...
5357970 Method for determining dominant heart rates  
A method for determining a dominant heart rate from a series of beat triggers representative of a mixed series of normal heart beats and non-arrhythmic activities, with the beat triggers being...
5357968 Diagnosing and treating subacute myocarditis  
A method for diagnosing subacute myocarditis is performed by electrocardiographically monitoring an ambulatory patient who has unexplainable fatigue and determining the frequency when the T-wave of...
5337753 Heart rate monitor  
An elongate hollow cylindrical member houses electronic circuitry and has disposed on its surface, on either end, a live electrode and a spaced common electrode. The electronic circuitry includes a...
5323784 Heart rate calculation for users of exercise machines  
A simple heart rate calculation process is incorporated into an exercise machine. The user controls the process by counting his/her own pulse. With the exercise machine temporarily stopped, the...
5313954 Apparatus for shockwave treatment  
An apparatus for shockwave treatment of a patient, includes a shockwave generator and a detector of a cardiac signal which corresponds to the cardiac action of the patient. During the shockwave...
5285793 Noninvasive detection of rejection in heart transplant patients  
A method and apparatus for diagnosing heart rejection is disclosed. Heart rejection is diagnosed based on the pattern of interbeat intervals. The interbeat intervals of the heart are measured...
5255186 Signal averaging of cardiac electrical signals using temporal data compression and scanning correlation  
A method and apparatus for aligning periodic cardiac signal waveforms for the purpose of signal averaging over a number of cardiac cycles. The aligning method and apparatus sense cardiac electrical...
5243993 Apparatus and method for measuring heart rate  
An apparatus for measuring heart rate is provided which comprises a sensor for generating a signal which includes the biopotential signal produced by a heart. This signal is filtered, amplified and...
5226425 Portable ECG monitor/recorder  
A portable apparatus having electronic circuitry for selectively monitoring and recording a user's ECG signals, wherein a first conductive electrode is disposed on a first surface of the apparatus...
5213106 Diagnosing and treating chronic fatigue syndrome by electrocardiographic monitoring of T-waves  
A method for diagnosing chronic fatigue syndrome is performed by electrocardiographically monitoring an ambulatory patient who has unexplainable fatigue and determining the frequency when the...
5195997 Incontinent's aid  
A urine collection vessel is coupled to the body of a person by means of a partial vacuum created within the collection vessel. An air flow valve at the output of the vessel is adjustable to...
5191524 Approximate entropy  
An approximation of entropy is determined on a set of data by comparing subsets of the data. The comparison reveals the regularity and stability of similar patterns amongst subsets of the data. The...
5164898 System for determining hazardous substance exposure rate from concentration measurement and heart rate data  
A device for measuring a rate exposed to deleterious materials comprises a heartbeat sensor for sensing heart rates, a deleterious material sensor for sening concentrations of deleterious materials...
5139020 Method and apparatus for controlling the hemodynamic state of a patient based on systolic time interval measurements detecting using doppler ultrasound techniques  
A hemodynamic control apparatus and method for regulating blood flow within the cardiovascular system in a closed-loop control system using ultrasound measurement techniques and intracardiac...
5088488 Method and apparatus for implementing histogram storage and trend analysis in a medical stimulator  
An implantable medical device employing a random access memory for storage of data relating the physiologic condition of the patient in which the device is implanted and/or information related to...
5002063 Electronic physiological data monitoring  
An ECG system is disclosed having amplification circuitry which, while effectively blocking electrical transients resulting from undesirable low frequency electrical artifacts, nevertheless...
4982738 Diagnostic apnea monitor system  
In a method of diagnosing obstructive sleep apnea, snoring and respiration sounds made by a patient, as well as the patient's heart rate, are recorded while the patient is sleeping. Signals...
4974601 Portable heart monitor performing multiple functions  
A method and apparatus for monitoring multiple aspects of a patient's cardiac condition which is portable microprocessor based, and can be programmed to select (for storage in random access memory...
4958640 Method and apparatus for correlating the display of information contained in two information signals  
Apparatus for displaying first and second information signals includes detection circuitry for detecting the first and second signals to be displayed as well as detecting the occurrence of a...
4958637 MR examining apparatus of heart beat synchronous type  
A magnetic resonance examining apparatus of heart beat synchronous type in which one heart beat period is substantially equally divided to provide a plurality of phases, and at least some of those...
4945917 Method and apparatus for indicating repetition intervals of a specified component of a composite electrical signal, particularly useful for displaying fetal r-waves  
The method and apparatus particularly are applicable for displaying the fetal R-wave with respect to the maternal R-wave, and comprise the steps of generating a first electrical signal...
4938228 Wrist worn heart rate monitor  
A wrist worn heart rate monitor (100) senses a noisy biosignal with one sensor (104A) in contact with the user's finger and another sensor (104B) in contact with the user's wrist. The sensed signal...
4938229 Method and apparatus for transmitting data descriptive of electromagnetic waveform  
A method and apparatus for transmitting data descriptive of an electromagnetic waveform wherein a constant amplitude signal is frequency modulated and transmitted to a remote site where digital...
4936309 Dual physiological rate measurement instrument  
The object of the invention is to provide an instrument for converting a physiological pulse rate into a corresponding linear output voltage. The instrument (1) which accurately measures the rate...
4920489 Apparatus and method for solid state storage of episodic signals  
A method and apparatus for digitally storing episodic signals, such as, electrocardiogram signals is disclosed. In a preferred embodiment, the apparatus includes, for each signal channel, an input...
Matches 51 - 100 out of 201 < 1 2 3 4 5 >