| Patent Number |
Title Of Patent |
Date Issued |
| RE34506 |
Product and process for manufacturing an optical disc master |
January 11, 1994 |
| The invention discloses a simplified four step process for making an optical disc master or alternatively a WORM disc by first making or obtaining a transparent polymer disc with a tracking groove of desired geometry molded therein, then spin coating an optically active lamina on the |
| RE29921 |
Electrocardiographic computer |
February 27, 1979 |
| A multi-speed ECG magnetic tape scanning device for processing and observing in a relatively short interval of time large quantities of ECG signals from two pairs of ECG leads. The ECG information is recorded on a miniature recorder which the patient carries to record the information for |
| D276517 |
Tape deck top and carrying case base for a tape recorder |
November 27, 1984 |
|
| D267798 |
Tape cartridge |
February 1, 1983 |
|
| 6474922 |
Remote operation auxiliary hoist control and precision load positioner |
November 5, 2002 |
| An electromechanical, remotely operated Auxiliary Hoist Control and Precision Load Positioner system and device is disclosed utilizing a Radio Frequency Hand Controller transceiver Unit distal to a Radio Frequency Hoist Controller Transceiver Unit for raising and lowering a large, heavy, |
| 5741627 |
Optical recording medium and method for eliminating berm buildup |
April 21, 1998 |
| The invention discloses a method and an apparatus for creating an optical disc master by forming pits having ideal shapes and without berm buildup. These ideally shaped pits are improvements in the technology of disc mastering, due to the manufacturing and data playback advantages that a |
| 5701894 |
Modular physiological computer-recorder |
December 30, 1997 |
| An ambulatory physiological computer recorder that includes multiple selective plug and play signal input conditioners, a microprocessor system with operating and analyzing software and a removable memory module for data storage. The removable memory module may consist of any non-volatil |
| 5568963 |
Method and apparatus for multimedia presentations |
October 29, 1996 |
| A mobile audio visual presentation system contained within a telescoping tower platform that provides height adjustment means for video display devices. The telescoping tower provides stability, transportability, versatility and optimum sound/video projection angles for multimedia audio |
| 5540232 |
Method and apparatus for displaying pacer signals on an electrocardiograph |
July 30, 1996 |
| A system for monitoring the operation of a cardiac pacemaker and the response of the patient to the pacemaker includes an ARRHYTHMIAGRAPH that displays the occurrence of pacemaker signals in relation to overall QRS cycles and analyses the relationship of pacemaker signals to QRS cycles. |
| 5504732 |
Null inflection detection and pulse expand latch in an optical recording system |
April 2, 1996 |
| A novel method and apparatus utilizing conventional photo-reactive and reflective layers of a recording medium for optically recording and reading both digital and variable length, analog pulses of data, in an exacting manner to eliminate excess energy absorption by the medium and fo |
| 5479922 |
Bidirectional filter |
January 2, 1996 |
| A system for filtering stochastic signals as embodied in stress test systems for measuring electrocardiographic (ECG) activity in response to exercise employs a bidirectional Infinite Impulse Response (IIR) filtering process over a predetermined window on a digitized version of an ECG |
| 5402795 |
Electrocardiographic baseline filtering and estimation system with bidirectional filter |
April 4, 1995 |
| A system for filtering stochastic signals as embodied in stress test systems for measuring electrocardiographic (ECG) activity in response to exercise employs a bidirectional Infinite Impulse Response (IIR) filtering process over a predetermined window on a digitized version of an ECG |
| 5323783 |
Dynamic ST segment estimation and adjustment |
June 28, 1994 |
| A method and apparatus for dynamically estimating the ST segment of a rate varying electrocardiogram by comparing the result yielded from a mathematical relationship between calculated beat averages and a predetermined standard. Typically a table of known heartbeats is made from whic |
| 5297557 |
Stress test system with bidirectional filter |
March 29, 1994 |
| A system for filtering stochastic signals as embodied in stress test systems for measuring electrocardiographic (ECG) activity in response to exercise employs a bidirectional Infinite Impulse Response (IIR) filtering process over a predetermined window on a digitized version of an ECG |
| 5293370 |
Method and apparatus for creating optical disc masters |
March 8, 1994 |
| Method and apparatus for a portable clean environment used for recording optical disc masters by enclosing a light sensitive optical disc in a container that prevents ambient contamination from destroying the pristine environment necessary to create optical disc masters. A transparent |
| 5283159 |
Optical recording medium and method for improved pit geometry and increased laser tracking |
February 1, 1994 |
| The invention discloses a method and an apparatus for creating optical disc recordings by forming pits having ideal shapes. These ideally shaped pits are improvements in the technology of disc mastering, due to the manufacturing and data playback advantages that are inherent in the i |
| 5205295 |
Method and apparatus for holter recorder with high resolution signal averaging capability for la |
April 27, 1993 |
| A method and apparatus for an ambulatory electrocardiographic monitoring system for recording, detection, measurement, analysis and plotting of high resolution electrocardiographic data having a modified Holter recorder that performs digital signal averaging of selected signals as we |
| 5109862 |
Method and apparatus for spectral analysis of electrocardiographic signals |
May 5, 1992 |
| A frequency domain signal processing and analysis method and apparatus displays, plots and makes measurements upon electrocardiographic signals (ECG) recorded from the body surface. Both the graphic plots and the numeric parameters measured reveal abnormalities of electrical conduction |
| 5099469 |
Process for manufacturing an optical disc master |
March 24, 1992 |
| The invention discloses a simplified four step process for making an optical disc master or alternatively a WORM disc by first making or obtaining a transparent polymer disc with a tracking groove of desired geometry molded therein, then spin coating an optically active lamina on the |
| 5092341 |
Surface ECG frequency analysis system and method based upon spectral turbulence estimation |
March 3, 1992 |
| Frequency domain ECG signal processing systems and methods plot spectral maps and compute statistical parameters from surface electrocardiographic signals, which plots and parameters reveal abnormalities of electrical conduction within the hearts of patients at risk of ventricular ta |
| 5090418 |
Method and apparatus for screening electrocardiographic (ECG) data |
February 25, 1992 |
| A time saving automatic screening system for detection, measurement, analysis and plotting of electrocardiographic (ECG) signals employing arrhythmia analysis programs on long term ambulatory (Holter) recordings to assess the ECG signals and categorize the recorded data as either art |
| 5077724 |
Optical tape cartridge |
December 31, 1991 |
| The invention is a sealed optical tape cassette. Sealed means is employed to pull optical tape across a mobile recording bridge situated behind a transparent window. Bridge is operated upon by a pair of sealed internal/external pins to control tape tilt, focus and tracking of a light |
| 5050021 |
Expanded micro cassette player-recorder |
September 17, 1991 |
| A micro cassette recorder-player is disclsoed having capactity for increased signal-to-noise ratio by utilizing a mobile capstan which pulls tape out of a micro cassette and across an enlarged head placed distal to and shielded from all electric motors, solenoids, and inductors which |
| 5017414 |
Method for manufacturing a second surface optical storage device |
May 21, 1991 |
| A method for large scale and economical manufacture of a second surface optical recording disk is disclosed. An optically transparent disk cover with tracking grooves and data etched on a mating side thereof is mated and embossed into an optically reactive layer of a first surface optica |
| 5002622 |
Glass based optical disc manufacturing process |
March 26, 1991 |
| A process for manufacture of a second surface optically recordable disc having ultraviolet (UV) inhibiting characteristics is disclosed. A reflective lamina of aluminum, superimposed on a glass lamina substratum, is flow process produced by pyrolysis and precipitation of a lamina of |
| 4964934 |
Optical disk manufacturing process |
October 23, 1990 |
| A process for manufacture of a second surface optically recordable disk is disclosed. A reflective sheet of aluminum, flow process produced by precipitation of a layer of aluminum from gasified triisobutyl aluminum onto a layer of molten indium, is mated with a polymer substratum sheet. |
| 4883065 |
Micropotential analyzer--a Holter system with comprehensive analysis capability for very low amp |
November 28, 1989 |
| A system for detection, measurement, analysis and plotting of electrocardiographic signals with amplitudes ranging down to one microvolt (micropotentials) employing long term ambulatory (Holter) recordings. Multi-channel electrocardiograms are recorded on a Holter recorder that inscr |
| 4813877 |
Remote strafe scoring system |
March 21, 1989 |
| A remote scoring system for an air-to-ground strafing range is disclosed which utilizes a pair of vector sensors for each target to pinpoint a target hit and/or miss by means of shell shock wave amplitude and time of arrival (TOA) differentials of the shock wave between the two sensors. |
| 4720093 |
Stress test exercise device |
January 19, 1988 |
| The specification discloses a self propelled stress testing apparatus for providing graded levels of exercise and for measuring human energy output. An adjustable frictional load calibrated in terms of patient weight and operatively coupled to a pair of translational platforms provides t |
| 4635927 |
Low power treadmill |
January 13, 1987 |
| The specification discloses an exercise treadmill for diagnostic and therapeutic purposes incorporating an improved drive and control system. High efficiency at low rpm is effectuated through the use of a DC motor which maintains the belt speed constant by varying the width of the ap |
| 4591708 |
High-intensity opto-electronic sensor having low power consumption |
May 27, 1986 |
| An opto-electronic end-of-tape sensor has a pulsed light source for producing high intensity, short duration light pulses and a photodetector controlling a clock driven digital counter. In a normal condition with tape blocking the light pulses, the counter is kept in a reset state. If a |
| 4532934 |
Pacemaker monitoring recorder and malfunction analyzer |
August 6, 1985 |
| A system for ambulatory monitoring and subsequent analysis and evaluation of pacemaker performance includes a recorder module which detects pacemaker spikes and in response to each spike generates a signal having a waveform compatible with commericially-available ambulatory ECG recorders |
| 4528988 |
Method and apparatus for displaying electrocardiographic signals |
July 16, 1985 |
| An improved system for displaying annotated physiological signals processes the signals for two dimensional display on an oscilloscope, for annotation with time-of-day and patient information, and for marking relative to a plurality of detected, abnormal physiological events. The physiol |
| 4519398 |
Method and apparatus for long-term monitoring of physiological activity to provide a compact por |
May 28, 1985 |
| The system enables ambulatory monitoring of a patient's blood pressure and heart rate without the need for the patient to wear a portable magnetic tape recorder. The system takes the place of the tape recorder. ECG electrodes and a blood pressure cuff are affixed to the patient and are |
| 4483347 |
Method and apparatus for displaying electrocardiographic signals |
November 20, 1984 |
| An improved system for displaying annotated physiological signals processes the signals for two-dimensional display on an oscilloscope, for annotation with time-of-day and patient information, and for marking relative to a plurality of detected, abnormal physiological events. The physiol |
| 4467324 |
Apparatus and method for printing annotated electrocardial data |
August 21, 1984 |
| A single-beam CRT printer, used as a validator record of electrocardiographic data played back from a magnetic tape at a much higher speed than the speed at which it was recorded, includes a scan circuit for generating signals for steering the beam alternately through an ECG scan pat |
| 4422081 |
Validator for electrocardial data processing system |
December 20, 1983 |
| Apparatus for printing alpha-numeric characters for plotting an incoming signal at rates on the order of one page every seven seconds for rapidly verifying that the system producing the incoming signal is operating properly. Both printing and plotting are done by styli mounted on a movin |
| 4417254 |
Validator for electrocardial data processing system |
November 22, 1983 |
| Apparatus for printing alpha-numeric characters for plotting an incoming signal at rates on the order of one page every seven seconds for rapidly verifying that the system producing the incoming signal is operating properly. Both printing and plotting are done by styli mounted on a movin |
| 4414981 |
Electrocardiograph computer display system |
November 15, 1983 |
| A computer controlled method and apparatus for displaying an electrocardiograph utilizes a computer to store and display multiple channels of an ECG signal and to develop an AVSEP and arrhythmic display. A video ECG signal is stored in memory and the R waves of the ECG complexes are |
| 4400745 |
Tape transport |
August 23, 1983 |
| Magnetic tape transport using DC current drive variable speed motors directly coupled to take-up and supply reels between which a tape is moved under tension. A crystal controlled PLL is referenced to a tape reference signal during steady speed operation and to a tape drive tachometer si |
| 4339800 |
Validator for electrocardial data processing system |
July 13, 1982 |
| Apparatus for printing alpha-numeric characters for plotting an incoming signal at rates on the order of one page every seven seconds for rapidly verifying that the system producing the incoming signal is operating properly. Both printing and plotting are done by styli mounted on a movin |
| 4336810 |
Method and apparatus for arrhythmia analysis of ECG recordings |
June 29, 1982 |
| Method and apparatus for arrhythmia analysis of Holter-type ECG recordings including a tape playback unit having an analog signal output of successive ECG complexes or heart beats, a converter for generating data composites representing each complex, a computer for making and storing |
| 4291703 |
Pacemaker monitoring recorder |
September 29, 1981 |
| A recorder for monitoring the operation of a cardiac pacemaker and the response of the patient to the pacemaker includes a recorder module which receives a composite signal including an ECG signal, a pacemaker spike having a frequency spectrum that lies substantially at frequencies great |
| 4228506 |
Charter with automatic editing |
October 14, 1980 |
| An intelligent printer-plotter for use with a source of time-correlated digital systolic and diastolic blood pressure data and heart rate data receives, stores, analyzes, and edits the data, producing tables of data and graphs having a particular format. The charter smooths the data by a |
| 4216779 |
Blood pressure monitoring system |
August 12, 1980 |
| Apparatus is disclosed for long-term ambulatory monitoring of blood pressure by an auscultation method, employing a pressurizable cuff and requiring no intervention by the patient. Heartbeats are sensed by ECG electrodes, and a microphone is used to sense the Korotkow sounds as the p |
| 4211238 |
Apparatus and method for recording and playing back electrocardial signals |
July 8, 1980 |
| A system for encoding, recording, playing back, decoding, validating, and displaying cardiac signals obtained from a patient during ambulatory monitoring. The system permits the recording on a single track in a magnetic tape of a channel of ECG signals interrupted intermittently by b |
| 4157571 |
Frame-by-frame memory display system |
June 5, 1979 |
| Apparatus under control of an operator for selectively displaying signals stored on a magnetic tape. The tape is normally first played back at a high speed, with the reproduced signal displayed at high speed to permit the operator to determine which parts of the tape to view at real-time |
| 4136690 |
Method and apparatus for vector analysis of ECG arrhythmias |
January 30, 1979 |
| ECG signals from two approximately orthogonal leads are combined in a rectangular-to-polar coordinate converter to obtain signals representing the magnitude and angle of the vector. The vector angle existing at the instant the magnitude of the QRS vector reaches its peak is first ide |
| 4123785 |
Recorder for cardiac signals with manually actuated event marking |
October 31, 1978 |
| A miniature tape recorder intended for ambulatory recording of cardiac signals over a twenty-four-hour interval includes a clock with a visual display and an event marking circuit. Cardiac signals are recorded simultaneously on two tracks on the magnetic tape used by the recorder. Th |
| 4111055 |
Pulse echo ultrasonic system |
September 5, 1978 |
| A pulse echo ultrasonic system is provided for medical diagnosis, and the like, which has particular application to echocardiography, and which includes a digital memory for presenting a rolling dynamic display in shades of gray on the screen of a cathode-ray tube scanned in accordance |
