US3124745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1921; G10; G10L; G10L19/00; G10L19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
APPARATUS FOR DETERMINING NORMALIZED ODD-ORDER MOMENTS OF THE POWER SPECTRUM OF A COMPLEX WAVE, WHICH COMPRISES MEANS FOR OBTAINING THE HILBERT TRANSFORM OF SAID WAVE BY SHIFTING THE PHASE OF SAID WAVE BY 90*, MEANS FOR DIFFERENTIATING SAID WAVE, MEANS FOR DERIVING A SIGNAL PROPORTIONAL TO THE PRODUCT OF SAID DIFFERENTIATED WAVE AND THE HILBERT TRANSFORM OF SAID WAVE, MEANS FOR AVERAGING SAID PRODUCT SIGNAL, MEANS FOR DEVEL-
Claim 2
Dependent Claim
68 words
APPARATUS FOR DETERMINING NORMALIZED ODD-ORDER MOMENTS OF THE POWER SPECTRUM OF A COMPLEX WAVE, WHICH COMPRISES MEANS FOR OBTAINING THE HILBERT TRANSFORM OF SAID WAVE BY SHIFTING THE PHASE OF SAID WAVE BY 90*, MEANS FOR DIFFERENTIATING SAID WAVE, MEANS FOR DERIVING A SIGNAL PROPORTIONAL TO THE PRODUCT OF SAID DIFFERENTIATED WAVE AND THE HILBERT TRANSFORM OF SAID WAVE, MEANS FOR AVERAGING SAID PRODUCT SIGNAL, MEANS FOR DEVEL-
References Cited (Backward Citations)
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US2511564A
Cited
US2799734A
Cited
US2791751A
Cited
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Cited
US2895111A
Cited
US2918581A
Cited
US3035231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |