US3438368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ectopic beat detector
Assignee: TUTOR GERALD
•
Filing: 1966-09-27
•
Granted: 1969-04-15
•
Expires: 1986-09-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert Karsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:54
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/43; A61B5/4306; A61B5/4343; A61B5/4362; A61B5/24; A61B5/316; A61B5/318; A61B5/344; A61B5/346; A61B5/349; A61B5/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
APPARATUS FOR DETECTING ECTOPIC BEATS IN A TRAIN OF HEART BEAT PULSES, SAID APPARATUS, COMPRISING: FIRST MEANS RESPONSIVE TO SAID TRAIN FOR PROVIDING A FIRST SIGNAL, THE AMPLITUDE OF WHICH IS THE AVERAGE OF THE REPETITION RATE OF SAID TRAIN WEIGHTED TO GIVE THE MOST SIGNIFICANCE TO THE MOST RECENT MEASUREMENT OF SAID RATE AND THE LEAST SIGNIFICANCE TO THE MOST REMOTE MEASUREMENT OF SAID RATE; SECOND MEANS RESPONSIVE TO SAID TRAIN FOR PROVIDING A SECOND SIGNAL AMPLITUDE OF WHCIH VARIES ACCORDING TO MEASUREMENT OF SUBSTANTIALLY ONLY THE INTERVAL BETWEEN THE LAST TWO PULSES IN SAID TRAIN; THIRD MEANS FOR DETERMINING THE DIFFERENCE IN AMPLITUDE BETWEEN SAID FIRST AND SECOND SIGNALS SO AS TO PROVIDE A THIRD SIGNAL INDICATIVE TO CHANGES IN THE RATE OF CHANGE OF SAID TRAIN CAUSED BY ONE OR MORE ECTOPIC BEATS, AND; FOURTH MEANS CONNECTED TO SAID SECOND AND THIRD MEANS FOR GENERATING A PULSE CORRESPONDING TO EACH OF SAID ECTOPIC BEATS.
Claim 2
Dependent Claim
157 words
APPARATUS FOR DETECTING ECTOPIC BEATS IN A TRAIN OF HEART BEAT PULSES, SAID APPARATUS, COMPRISING: FIRST MEANS RESPONSIVE TO SAID TRAIN FOR PROVIDING A FIRST SIGNAL, THE AMPLITUDE OF WHICH IS THE AVERAGE OF THE REPETITION RATE OF SAID TRAIN WEIGHTED TO GIVE THE MOST SIGNIFICANCE TO THE MOST RECENT MEASUREMENT OF SAID RATE AND THE LEAST SIGNIFICANCE TO THE MOST REMOTE MEASUREMENT OF SAID RATE; SECOND MEANS RESPONSIVE TO SAID TRAIN FOR PROVIDING A SECOND SIGNAL AMPLITUDE OF WHCIH VARIES ACCORDING TO MEASUREMENT OF SUBSTANTIALLY ONLY THE INTERVAL BETWEEN THE LAST TWO PULSES IN SAID TRAIN; THIRD MEANS FOR DETERMINING THE DIFFERENCE IN AMPLITUDE BETWEEN SAID FIRST AND SECOND SIGNALS SO AS TO PROVIDE A THIRD SIGNAL INDICATIVE TO CHANGES IN THE RATE OF CHANGE OF SAID TRAIN CAUSED BY ONE OR MORE ECTOPIC BEATS, AND; FOURTH MEANS CONNECTED TO SAID SECOND AND THIRD MEANS FOR GENERATING A PULSE CORRESPONDING TO EACH OF SAID ECTOPIC BEATS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |