Patent US3589794A successfully refreshed from Google Patents.
US3333187A
Expired / Lapsed
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Pulse duration measuring device using series connected pulse width classifier stages
Assignee: Unisys Corp
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Filing: 1964-03-25
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Granted: 1967-07-25
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Whitfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:08
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PULSE DURATION CLASSIFIER COMPRISING A PLURALITY OF IDENTICAL CLASSIFIER STAGES, EACH STAGE INCLUDING MEANS TO DELAY AN INCOMING PULSE TO BE CLASSIFIED; MEANS TO DETECT COINCIDENCE BETWEEN ANY PORTIONS OF THE INCOMING AND THE DELAYED PULSES; MEANS IN SAID COINCIDENCE DETECTION MEANS TO PRODUCE A RESIDUE PULSE THROUGHOUT ANY PERIOD OF COINCIDENCE; A SIGNAL OUTPUT TERMINAL; MEANS TO PASS THE DELAYED PULSES TO THE OUTPUT TERMINAL UNLESS THE DETECTION MEANS SENSES A COINCIDENCE BETWEEN PORTIONS OF THE INCONING AND DELAYED PULSES; AND MEANS TO CONDUCT A RESIDUE PULSE FROM SAID COINCIDENCE MEANS DIRECTLY TO THE SUCCEEDING CLASSIFIER STAGE.
Claim 2
Dependent Claim
99 words
A PULSE DURATION CLASSIFIER COMPRISING A PLURALITY OF IDENTICAL CLASSIFIER STAGES, EACH STAGE INCLUDING MEANS TO DELAY AN INCOMING PULSE TO BE CLASSIFIED; MEANS TO DETECT COINCIDENCE BETWEEN ANY PORTIONS OF THE INCOMING AND THE DELAYED PULSES; MEANS IN SAID COINCIDENCE DETECTION MEANS TO PRODUCE A RESIDUE PULSE THROUGHOUT ANY PERIOD OF COINCIDENCE; A SIGNAL OUTPUT TERMINAL; MEANS TO PASS THE DELAYED PULSES TO THE OUTPUT TERMINAL UNLESS THE DETECTION MEANS SENSES A COINCIDENCE BETWEEN PORTIONS OF THE INCONING AND DELAYED PULSES; AND MEANS TO CONDUCT A RESIDUE PULSE FROM SAID COINCIDENCE MEANS DIRECTLY TO THE SUCCEEDING CLASSIFIER STAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |