US3431500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlaced pulse train analyzer
Assignee: United States Department of the Army
•
Filing: 1965-12-09
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Granted: 1969-03-04
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Harold T Freedman
- 👤 Henry Schlussler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A DEVICE FOR SORTING INPUT PULSES OF A PULSE TRAIN HAVING A DESIRED PULSE REPETITION FREQUENCY FROM A SERIES OF INPUT PULSES COMPRISING FIRST GENERATING MEANS FOR GENERATING A SEQUENCE OF RAMP VOLTAGES EACH OF WHICH ARE ANALOGS OF THE TIME INTERVAL BETWEEN A CORRESPONDING PAIR OF ADJACENT INPUT PULSES, MEANS FOR STORING SUCH VOLTTAGE ANALOG, VOLTAGE COMPARISON MEANS, TRANSFER MEANS FOR TRANSFERRING SAID VOLTAGE ANALOG TO SAID COMPARISON MEANS, SECOND GENERATING MEANS FOR PRODUCING A SEQUENCE OF SWEEP VOLTAGES HAVING THE SAME SWEEP RATE AS SAID RAMP VOLTAGES AND INITIATED DURING THE PRESENCE OF CERTAIN OF SAID INPUT, PULSES, SAID COMPARISON MEANS PROVIDING A CONTROL PULSE WHEN THE MAGNITUDE OF THE TRANSFERRED VOLTAGE ANALOG IS EQUAL TO THE MAGNITUDE OF SAID SWEEP VOLTAGE, AND CONTROL MEANS RESPONSIVE TO CONCURRENCE OF AN INPUT PULSE AND SAID CONTROL PULSE FOR PRODUCING OUTPUT PULSES INDICATIVE OF THE PRESENCE OF AN INPUT PULSE FROM THE DESIRED PULSE TRAIN.
Claim 2
Independent Claim
155 words
A DEVICE FOR SORTING INPUT PULSES OF A PULSE TRAIN HAVING A DESIRED PULSE REPETITION FREQUENCY FROM A SERIES OF INPUT PULSES COMPRISING FIRST GENERATING MEANS FOR GENERATING A SEQUENCE OF RAMP VOLTAGES EACH OF WHICH ARE ANALOGS OF THE TIME INTERVAL BETWEEN A CORRESPONDING PAIR OF ADJACENT INPUT PULSES, MEANS FOR STORING SUCH VOLTTAGE ANALOG, VOLTAGE COMPARISON MEANS, TRANSFER MEANS FOR TRANSFERRING SAID VOLTAGE ANALOG TO SAID COMPARISON MEANS, SECOND GENERATING MEANS FOR PRODUCING A SEQUENCE OF SWEEP VOLTAGES HAVING THE SAME SWEEP RATE AS SAID RAMP VOLTAGES AND INITIATED DURING THE PRESENCE OF CERTAIN OF SAID INPUT, PULSES, SAID COMPARISON MEANS PROVIDING A CONTROL PULSE WHEN THE MAGNITUDE OF THE TRANSFERRED VOLTAGE ANALOG IS EQUAL TO THE MAGNITUDE OF SAID SWEEP VOLTAGE, AND CONTROL MEANS RESPONSIVE TO CONCURRENCE OF AN INPUT PULSE AND SAID CONTROL PULSE FOR PRODUCING OUTPUT PULSES INDICATIVE OF THE PRESENCE OF AN INPUT PULSE FROM THE DESIRED PULSE TRAIN.
References Cited (Backward Citations)
US2493648A
Cited
US2943261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |