Patent FR1235057A successfully refreshed from Google Patents.
US3199105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distance measuring systems
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1960-02-26
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Granted: 1965-08-03
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Lakatos Emory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A SYSTEM FOR USING PERIODICALLY TRANSMITTED OSCILLATORY PULSES AS DIRECTLY RECEIVED, AND ALSO AS RECEIVED AFTER REFLECTION, TO DETERMINE THE TIME RELATIONSHIP BETWEEN AN INDIVIDUAL DIRECTLY RECEIVED PULSE AND THE REFLECTED REPRESENTATION OF THE SAME PULSE DESPITE AN EXTREMELY LOW SIGNAL-TO-NOISE RATIO, INCLUDING IN COMBINATION SIGNAL STORAGE MEANS RESPONSIVE TO BOTH THE DIRECTLY RECEIVED AND THE REFLECTED OSCILLATORY PULSES FOR REPRODUCING THE SAME, THE SIGNAL STORAGE MEANS INCLUDING MEANS FOR CONTROLLABLY DELAYING THE DIRECTLY RECEIVED PULSES WITH CONTINUOUSLY VARYING DELAYS WHICH CHANGE AT A RATE SELECTED TO PROVIDE AN INTERVAL OF PULSE OVERLAP, A BALANCED MODULATOR COUPLED TO THE SIGNAL STORAGE MEANS AND RESPONSIVE TO THE REPRODUCED PULSES FOR DEVELOPING FROM THE REPRODUCED PULSES A PRODUCT SIGNAL INCLUDING AS A
Claim 2
Independent Claim
120 words
A SYSTEM FOR USING PERIODICALLY TRANSMITTED OSCILLATORY PULSES AS DIRECTLY RECEIVED, AND ALSO AS RECEIVED AFTER REFLECTION, TO DETERMINE THE TIME RELATIONSHIP BETWEEN AN INDIVIDUAL DIRECTLY RECEIVED PULSE AND THE REFLECTED REPRESENTATION OF THE SAME PULSE DESPITE AN EXTREMELY LOW SIGNAL-TO-NOISE RATIO, INCLUDING IN COMBINATION SIGNAL STORAGE MEANS RESPONSIVE TO BOTH THE DIRECTLY RECEIVED AND THE REFLECTED OSCILLATORY PULSES FOR REPRODUCING THE SAME, THE SIGNAL STORAGE MEANS INCLUDING MEANS FOR CONTROLLABLY DELAYING THE DIRECTLY RECEIVED PULSES WITH CONTINUOUSLY VARYING DELAYS WHICH CHANGE AT A RATE SELECTED TO PROVIDE AN INTERVAL OF PULSE OVERLAP, A BALANCED MODULATOR COUPLED TO THE SIGNAL STORAGE MEANS AND RESPONSIVE TO THE REPRODUCED PULSES FOR DEVELOPING FROM THE REPRODUCED PULSES A PRODUCT SIGNAL INCLUDING AS A
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |