Matches 101 - 150 out of 201 < 1 2 3 4 5 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 101 - 150 out of 201 < 1 2 3 4 5 >