US3174142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal correlation system
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1961-09-05
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Granted: 1965-03-16
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Charles O Mallinckrodt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A CORRELATOR SYSTEM FOR INSTANTANEOUS CORRELATION OF AN INPUT SIGNAL CONTAINING COMPLEX MULTIFREQUENCY COMPONENTS AGAINST A REFERENCE SIGNAL AND INCLUDING MEANS FOR RECORDING INPUT SIGNAL REPRESENTATIONS IN THE FORM OF A MAGNETIC PATTERN ON A RECORDING SURFACE, THE RECORDED PATTERN PROVIDING SPATIALLY DISTRIBUTED MAGNETIC FIELD COMPONENTS ADJACENT THE RECORDING SURFACE, AND REFERENCE PATTERN MEANS REPRESENTING A SELECTED AMPLITUDE VERSUS TIME FUNCTION MOVING ADJACENT TO THE RECORDING SURFACE AND COACTING WITH THE MAGNETIC FIELD COMPONENTS ADJACENT THE
Claim 2
Dependent Claim
76 words
A CORRELATOR SYSTEM FOR INSTANTANEOUS CORRELATION OF AN INPUT SIGNAL CONTAINING COMPLEX MULTIFREQUENCY COMPONENTS AGAINST A REFERENCE SIGNAL AND INCLUDING MEANS FOR RECORDING INPUT SIGNAL REPRESENTATIONS IN THE FORM OF A MAGNETIC PATTERN ON A RECORDING SURFACE, THE RECORDED PATTERN PROVIDING SPATIALLY DISTRIBUTED MAGNETIC FIELD COMPONENTS ADJACENT THE RECORDING SURFACE, AND REFERENCE PATTERN MEANS REPRESENTING A SELECTED AMPLITUDE VERSUS TIME FUNCTION MOVING ADJACENT TO THE RECORDING SURFACE AND COACTING WITH THE MAGNETIC FIELD COMPONENTS ADJACENT THE
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |