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4898179 |
Device for detecting, monitoring, displaying and recording of material and fetal vital signs and permitting communication between a woman and her fetus
A device for detecting, monitoring, displaying and recording a representation of the heartbeats of a pregnant woman and her fetus. The heartbeat of each is monitored. Detecting of the woman's...
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4895157 |
Magnetic resonance imaging system
A magnetic resonance imaging system applies repeatedly gradient magnetic fields and a high frequency magnetic field in a predetermined sequence according to an phase encoding method to a region...
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4883063 |
Personal monitor and process for heat and work stress
A personal monitor (10, 100, 200) for work and heat stress has a heart beat sensor (12) producing output electrical signals indicating a user's heart beats. A memory (127) stores heart beat...
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4860759 |
Vital signs monitor
A vital signs monitor includes an ECG sensor, an oximetric finger probe, a respiration impedance sensor, a respiration strain gauge, and a blood pressure cuff with a pressure sensor. Signals...
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4832038 |
Apparatus for monitoring cardiovascular regulation using heart rate power spectral analysis
Apparatus for heart rate fluctuation power spectrum analysis obtains an electrocardiogram signal from an electrocardiograph machine and a respiratory rate signal from an electroplethysmograph...
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4825874 |
Cardiac diagnosis instrument
According to the present invention there is provided a cardiac diagnosis instrument including an elongated housing, diagnosis electronics accommodated within the housing and two pick-up electrodes...
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4807639 |
Pulse detection apparatus
A pulse detection apparatus includes a memory for storing the normal pulse count of a user. After taking some exercise such as jogging, the percentage of the pulse count, detected by a pulse...
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4796620 |
System for sensing abnormal heart activity by means of heart rate acceleration and deceleration detection
A heart rate acceleration/deceleration detecting system particularly for use with an automatic defibrillator/cardioverter. The detection system detects a series of heart beats and determines, for a...
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4790326 |
Method and apparatus for determining pulse rate
A method for determining the pulse rate of a person. The method of the present invention is implemented in two phases. The first phase involes the determination of pulse intervals and the second...
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4788983 |
Pulse rate controlled entertainment device
A control circuit for a portable radio or like entertainment device which allows it to play only so long as the user's heart rate lies within a range commensurate with safe, effective exercise...
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4781201 |
Cardiovascular artifact filter
For suppressing cardiovascular artifact from a respiration signal derived from a patient's transthoracic impedance, an adaptive filtering device determines the patient's heart rate, converts the...
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4781200 |
Ambulatory non-invasive automatic fetal monitoring system
Fetal monitors for automatically and continuously monitoring the well-being of a fetus. The preferably ambulatory monitors include one or more fetal cardiac sensors for detecting the fetal heart...
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4777960 |
Method and apparatus for the assessment of autonomic response by broad-band excitation
A rapid, noninvasive technique for quantifying the dynamic response of the autonomic nervous system (ANS) to perturbations it senses over a broad range of physiologically relevant frequencies. The...
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4715384 |
Pulsimeter
A pulsimeter having a detection electrode receptive of electrocardiac signals of a person and a pulse detection circuit, a switching element connected between an input terminal of the pulse...
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4704681 |
Electrocardiogram signal processing apparatus for determining the existence of the Wolff-Parkinson-White syndrome
An electrocardiogram signal processing apparatus includes an analog-to-digital converter, and first, second and third processors. The analog-to-digital converter converts the input...
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4667682 |
Cardiac ambulatory monitor
An ambulatory arrhythmia detection and ECG recorder senses both tachycardia and bradycardia conditions and activates a tape recorder to record the ECG for a period of 15 seconds after an arrhythmia...
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4649930 |
Apparatus for beat buffering techniques varified by arrhythmias detection for stopaction frames of cardiac function
From a heart sound signal input the occurrence of a first occurring heart sound is detected. Thereupon a predetermined heart sound enable window time is established, which for a first detection...
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4635646 |
Portable apparatus for monitoring heart activity
A portable apparatus for monitoring heart activity, including two electrodes connected to a case which encloses an electronic signal processor. The electrodes are separate and applied to different...
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4616659 |
Heart rate detection utilizing autoregressive analysis
A system for determining the heart rate in response to an electrocardiogram (EKG) signal that has been filtered by performing an autoregressive analysis, low-pass filtered by performing a digital...
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4592367 |
Apparatus and method for digital rate averaging
A digital circuit requiring minimum power for accurately and reliably measuring the average pulse rate of a periodic signal. The circuit includes a plurality of flip-flop stages adapted to be...
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4580575 |
Apnea monitoring system
Apparatus for monitoring respiration and heartbeat and for processing electrical signals representative thereof, including circuits for developing a phase-shifted and amplitude-offset respiration...
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4573478 |
Automatic pulse rate trigger-source select circuit
Disclosed herein is a circuit for automatically selecting between an ECG heartbeat signal source and a pressure/pulse signal source depending on which of the two sources is the most periodic...
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4572207 |
Pulsimeter for vehicles
A pulsimeter for a vehicle comprises electrodes and an electronic unit for measuring heart pulsation rate of a vehicle driver. The electrodes are provided on a steering wheel assembly of a vehicle...
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4561447 |
Apparatus and method of detecting arterial pulse wave
An apparatus for detecting and displaying a pulse wave based on pulsations of an arterial vessel of a human body, with an improved accuracy irrespective of variations in pressing force of a sensing...
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4550502 |
Device for analysis of recorded electrocardiogram
A gauge which facilitates the analysis of a recorded electrocardiogram which comprises a flat sheet of transparent material having a plurality or fan of straight diverging lines disposed on said...
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4540001 |
Heart monitor for horses
A heart rate monitor for measuring the heart rate of a horse which is effective during training as well as other periods is disclosed. The heart rate monitor comprises electrode means mounted in a...
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4519397 |
Pulse detector
A pulse detector comprising an electrocardiac potential detector for detecting an electrocardiac signal induced to the skin of the person and a pulse counter for counting the pulse rate. The pulse...
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4513753 |
Heartbeat rate indicator
A heartbeat rate indicator has a detection electrode on the surface of the housing such as a wristwatch case and the element of a circuit-input portion in which the existence of a switch connected...
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4478224 |
Artifact detector for heartbeat rate measuring system
A heartbeat rate measuring system for monitoring a patient's EKG signal and estimating heartbeat rate. The system includes an artifact detection apparatus for filtering the EKG signal to detect the...
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4459993 |
Continuity detector for heartbeat rate measuring system
A continuity detection method and apparatus for use in a system for monitoring a patient's EKG signal and estimating heartbeat rate. The continuity detection apparatus continuously monitors...
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4457310 |
Method and apparatus for determining the energy requirements of premature newborns
A method and apparatus is disclosed for determining the energy requirements of premature newborns. The method includes identifying a series of groups of newborns in which the age and weight of each...
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4450843 |
Miniature biofeedback instrument
A compact, miniature instrument for providing biofeedback information of interest to a user. The instrument is comprised of a wrist-watch size unit, which includes a temperature sensor for sensing...
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4444200 |
Heart pulse rate measuring system
A heart pulse rate measuring system comprises a casing, a pair of rod-shaped grip sensors extending outwardly from the opposite sides of the casing for sensing a heart pulse signal, and an electric...
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4420000 |
Method and apparatus for measuring heartbeat rate
A heart rate monitoring apparatus and related method for detecting the successive beats of a heart and providing a reliable estimate of heartbeat rate. The apparatus measures the time intervals...
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4367752 |
Apparatus for testing physical condition of a subject
The physical condition of a subject is tested by a transducer mounted on the subject which derives a first signal indicative of heart activity. An electronic instrument housing carried by the...
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4312358 |
Instrument for measuring and computing heart beat, body temperature and other physiological and exercise-related parameters
A body-mounted measuring instrument senses the heart beat and inner body temperature of a user. The instrument includes a computing circuit and a timekeeping circuit for calculating elapsed time,...
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4295472 |
Heart rate monitor
A wrist watch size heart rate monitor coupled with a flexible metal expansion band detects a electrocardiac signal on one arm and applies that detected signal to electronic circuitry within the...
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4276888 |
Vital function monitor
A multi-function portable patient monitor arrangement having minimal power requirements particularly useful in association with patient transport apparatus to monitor patient functions such as,...
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4270547 |
Vital signs monitoring system
A system is disclosed for monitoring vital physiological signs. Each of the system components utilizes a single hybrid circuit with each component having high accuracy without the necessity of...
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4259966 |
Heart rate analyzer
A heart rate analyzer responsive to the R wave of successive ECG complexes of a patient. The intervals between successive ECG complexes are continuously counted and summed for a first number of...
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4250888 |
Heartbeat monitoring process and device
A process for the electronic long-time monitoring of the heart with EKG lead electrodes fastened to the skin of a patient, in which the signal delivered by these electrodes is digitized and...
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4248244 |
Method for measuring heart beat rate and circuit means for same
There is disclosed a heart rate indicator having electrodes for coupling to the electrical impulses corresponding to each beat of the heart of a living subject, which electrodes are connected to an...
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4230127 |
Cardiac monitoring apparatus
There is disclosed herein a wristwatch size cardiac monitoring apparatus which is worn on the wrist of one arm. A conductive material housing acts as one electrode when held firmly in contact with...
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4223683 |
Heart beat cumulator
A heart beat cumulator records the number of heart beats occurring in each of a succession of ten minute intervals. An electrical signal of heart activity obtained from electrodes on the subject is...
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4221223 |
Cardiac monitoring apparatus
There is disclosed herein a wristwatch size cardiac monitoring apparatus which is worn on the wrist of one arm. A conductive material housing acts as one electrode when held firmly in contact with...
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4193393 |
Diagnostic apparatus
A numeric diagnostic electrocardiometer includes an A/D converter for converting an EKG signal at each of the conventional electrodes employed in EKG analysis into numbers which are stored in an...
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4181134 |
Cardiotachometer
A cardiotachometer includes features which reliably filter out interfering background signals and provide for relatively low power consumption. A differential amplifier is connected to a three...
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4149526 |
Method of measuring the heart pulse frequency and heart pulse frequency meter apparatus
A method of and apparatus for measuring the heart pulse frequency, especially that of a moving test person for the purpose of a performance test, are disclosed. The mean value of the heart pulse...
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4120294 |
Electrode system for acquiring electrical signals from the heart
A wristband having inner and outer sensing electrodes capable of acquiring signals from bipolar limb leads and being electrically associated with electronics capable of processing such signals in a...
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4102332 |
Remote, telephonic cardiac resuscitation device
The present invention comprises a simple low cost remote cardiac resuscitation device, the patient's portion of which is particularly adapted to be fitted into a "false bottom" briefcase or other...
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