US3217326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space surveillance system with instantaneous resolution of multiple cycle phase ambiguity
Assignee: Individual
•
Filing: 1963-04-30
•
Granted: 1965-11-09
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Maxime G Kaufman
- 👤 Donald W Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:15
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/02; G01S3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN AN INTERFEROMETER FOR MEASURING THE DIRECTION OF ARRIVAL OF ELECTROMAGNETIC WAVE ENERGY, MEANS FOR PRODUCING A REFERENCE PHASE SIGNAL IN DEPENDENCY ON THE SIGNALS RECEIVED AT A FIRST PAIR OF LOCATION AND A FIRST PHASE INFORMATION SIGNAL IN DEPENDENCY ON THE APPARENT RELATIVE PHASING OF THE SIGNALS RECEIVED AT SAID FIRST PAIR OF LOCATIONS, MEANS FOR PRODUCING A SECOND PHASE INFORMATION SIGNAL IN DEPENDENCY ON THE APPARENT RELATIVE PHASING OF SIGNALS RECEIVED AT A SECOND PAIR OF LOCATIONS, MEANS FOR MEASURING THE TIME RELATIONSHIP OF A SELECTED PHASE ANGLE OF THE REFERENCE SIGNAL AND THE OCCURRENCE OF SELECTED PHASING OF THE FIRST AND SECOND PHASE INFORMATION SIGNALS, AND INDICATOR MEANS FOR PRODUCING AN INDICATION IN DEPENDENCY ON SAID TIME RELATIONSHIP.
Claim 2
Dependent Claim
121 words
IN AN INTERFEROMETER FOR MEASURING THE DIRECTION OF ARRIVAL OF ELECTROMAGNETIC WAVE ENERGY, MEANS FOR PRODUCING A REFERENCE PHASE SIGNAL IN DEPENDENCY ON THE SIGNALS RECEIVED AT A FIRST PAIR OF LOCATION AND A FIRST PHASE INFORMATION SIGNAL IN DEPENDENCY ON THE APPARENT RELATIVE PHASING OF THE SIGNALS RECEIVED AT SAID FIRST PAIR OF LOCATIONS, MEANS FOR PRODUCING A SECOND PHASE INFORMATION SIGNAL IN DEPENDENCY ON THE APPARENT RELATIVE PHASING OF SIGNALS RECEIVED AT A SECOND PAIR OF LOCATIONS, MEANS FOR MEASURING THE TIME RELATIONSHIP OF A SELECTED PHASE ANGLE OF THE REFERENCE SIGNAL AND THE OCCURRENCE OF SELECTED PHASING OF THE FIRST AND SECOND PHASE INFORMATION SIGNALS, AND INDICATOR MEANS FOR PRODUCING AN INDICATION IN DEPENDENCY ON SAID TIME RELATIONSHIP.
References Cited (Backward Citations)
US2426460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |