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Class Information
Number: 600/524
Name: Surgery > Diagnostic testing > Cardiovascular > Heart > Detecting heartbeat electric signal > Signal display or recording > Magnetic recording
Description: Subject matter wherein a record representative of a heartbeat electric signal is stored in a magnetic storage device (e.g., a magnetic tape or drum).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6438412 |
Memory loop ECG recorder with continuous recording |
Aug. 20, 2002 |
| 6424853 |
Magnetic field measurement apparatus |
Jul. 23, 2002 |
| 6370423 |
Method for analysis of biological voltage signals |
Apr. 9, 2002 |
| 6226544 |
Living body internal active source estimation apparatus |
May. 1, 2001 |
| 6104948 |
Method for visually integrating multiple data acquisition technologies for real time and retrospective analysis |
Aug. 15, 2000 |
| 5895404 |
Apparatus and methods for percutaneously forming a passageway between adjacent vessels or portions of a vessel |
Apr. 20, 1999 |
| 5879342 |
Flexible and reinforced tubing |
Mar. 9, 1999 |
| 5842978 |
Supplemental audio visual emergency reviewing apparatus and method |
Dec. 1, 1998 |
| 5678562 |
Ambulatory physiological monitor with removable disk cartridge and wireless modem |
Oct. 21, 1997 |
| 5606978 |
Heart monitoring apparatus |
Mar. 4, 1997 |
| 5601089 |
Method and apparatus for boosting the amplitude of ECG signals within a predetermined frequency range |
Feb. 11, 1997 |
| 5553623 |
Method for calibrating a system for recording and playing back ECG signals |
Sep. 10, 1996 |
| 5474079 |
Signal acquisition method |
Dec. 12, 1995 |
| 5467774 |
Method and system for precise time based presentation of recorded medical data |
Nov. 21, 1995 |
| 5433209 |
Recorder unit for ambulatory ECG monitoring system |
Jul. 18, 1995 |
| 5406955 |
ECG recorder and playback unit |
Apr. 18, 1995 |
| 5343870 |
Recorder unit for ambulatory ECG monitoring system |
Sep. 6, 1994 |
| 5305202 |
Ambulatory ECG analysis system |
Apr. 19, 1994 |
| 5228450 |
Methods and apparatus for ambulatory physiological monitoring |
Jul. 20, 1993 |
| 5205295 |
Method and apparatus for holter recorder with high resolution signal averaging capability for late potential analysis |
Apr. 27, 1993 |
| 4999772 |
Sleep screening system with time based modulated data |
Mar. 12, 1991 |
| 4989610 |
Method and system of ECG data review and analysis |
Feb. 5, 1991 |
| 4883065 |
Micropotential analyzer--a Holter system with comprehensive analysis capability for very low amplitude electrocardiographic signals and method |
Nov. 28, 1989 |
| 4794532 |
Virtual arrhythmia system |
Dec. 27, 1988 |
| 4703372 |
Portable electrocardiographic recorder |
Oct. 27, 1987 |
| 4696306 |
Electrocardiogram playback system and method |
Sep. 29, 1987 |
| 4580576 |
ECG recorder |
Apr. 8, 1986 |
| 4535783 |
Personal electrocardiology recorder |
Aug. 20, 1985 |
| 4532934 |
Pacemaker monitoring recorder and malfunction analyzer |
Aug. 6, 1985 |
| 4457315 |
Cardiac arrhythmia detection and recording |
Jul. 3, 1984 |
| 4457312 |
Method and apparatus for providing records of events during a cardiac arrest |
Jul. 3, 1984 |
| 4411272 |
Miniature, battery-powered cathode ray tube display heart monitor |
Oct. 25, 1983 |
| 4333475 |
Ambulatory cardiac monitoring system |
Jun. 8, 1982 |
| D262401 |
ECG Tape playback/recorder/monitor/analyzer system |
Dec. 22, 1981 |
| 4291703 |
Pacemaker monitoring recorder |
Sep. 29, 1981 |
| 4211238 |
Apparatus and method for recording and playing back electrocardial signals |
Jul. 8, 1980 |
| 4183354 |
Ambulatory electrocardiographic recorder |
Jan. 15, 1980 |
| D253609 |
Portable EKG monitor/EKG recorder or the like |
Dec. 4, 1979 |
| 4173971 |
Continuous electrocardiogram monitoring method and system for cardiac patients |
Nov. 13, 1979 |
| 4154231 |
System for non-invasive cardiac diagnosis |
May. 15, 1979 |
| 4098267 |
System for display and analysis of physiological signals such as electrocardiographic (ECG) signals |
Jul. 4, 1978 |
| 4073011 |
Electrocardiographic computer |
Feb. 7, 1978 |
| 4033336 |
System for sensing and recording medical information |
Jul. 5, 1977 |
| 4006737 |
Electrocardiographic computer |
Feb. 8, 1977 |
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