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Del Mar Avionics Patents
Assignee:
Del Mar Avionics
Address:
Irvine, CA
No. of patents:
52
Patents:


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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
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