US3099832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doppler navigation system
Assignee: Raytheon Co
•
Filing: 1959-11-04
•
Granted: 1963-07-30
•
Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Paul D Frelich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A DOPPLER NAVIGATION SYSTEM FOR DETECTING CRAFT VELOCITY RELATIVE TO A SURFACE COMPRISING MEANS ON SAID CRAFT FOR DIRECTING WAVE ENERGY IN TWO DIFFERENT DIRECTIONS TOWARD SAID SURFACE, MEANS FOR DETECTING REFLECTION FROM EACH OF SAID DIFFERENT DIRECTIONS, A SOURCE OF WAVE ENERGY COUPLED TO SAID ENERGY DIRECTING MEANS, RECEIVER MEANS COUPLED TO EACH OF SAID ENERGY DETECTING MEANS, FIRST, SECOND AND THIRD MOTOR MEANS, MEANS COUPLING SAID SOURCE OF WAVE ENERGY TO SAID FIRST MOTOR MEANS, MEANS, COUPLING SAID RECEIVER MEANS TO SAID SECOND AND THIRD MOTOR MEANS WHEREBY THE RATE OF SAID FIRST MOTOR MEANS IS REPRESENTATIVE OF THE FREQUENCY OF DIRECTED ENERGY AND THE RATE OF EACH OF SAID SECOND AND THIRD MOTOR MEANS IS REPRESENTATIVE OF THE FREQUENCY OF DETECTED ENERGY FROM A DIFFERENT OF SAID DIRECTIONS, FIRST AND SECOND DIFFERENTIAL MEANS DRIVEN BY SAID FIRST AND SECOND FIRST AND THIRD MOTOR MEANS RESPECTIVELY PRODUCING OUTPUT MOTIONS REPRESENTATIVE OF THE SIGN AND MAGNITUDE OF CRAFT VELOCITY IN SAID DIFFERENT DIRECTIONS.
Claim 2
Dependent Claim
164 words
A DOPPLER NAVIGATION SYSTEM FOR DETECTING CRAFT VELOCITY RELATIVE TO A SURFACE COMPRISING MEANS ON SAID CRAFT FOR DIRECTING WAVE ENERGY IN TWO DIFFERENT DIRECTIONS TOWARD SAID SURFACE, MEANS FOR DETECTING REFLECTION FROM EACH OF SAID DIFFERENT DIRECTIONS, A SOURCE OF WAVE ENERGY COUPLED TO SAID ENERGY DIRECTING MEANS, RECEIVER MEANS COUPLED TO EACH OF SAID ENERGY DETECTING MEANS, FIRST, SECOND AND THIRD MOTOR MEANS, MEANS COUPLING SAID SOURCE OF WAVE ENERGY TO SAID FIRST MOTOR MEANS, MEANS, COUPLING SAID RECEIVER MEANS TO SAID SECOND AND THIRD MOTOR MEANS WHEREBY THE RATE OF SAID FIRST MOTOR MEANS IS REPRESENTATIVE OF THE FREQUENCY OF DIRECTED ENERGY AND THE RATE OF EACH OF SAID SECOND AND THIRD MOTOR MEANS IS REPRESENTATIVE OF THE FREQUENCY OF DETECTED ENERGY FROM A DIFFERENT OF SAID DIRECTIONS, FIRST AND SECOND DIFFERENTIAL MEANS DRIVEN BY SAID FIRST AND SECOND FIRST AND THIRD MOTOR MEANS RESPECTIVELY PRODUCING OUTPUT MOTIONS REPRESENTATIVE OF THE SIGN AND MAGNITUDE OF CRAFT VELOCITY IN SAID DIFFERENT DIRECTIONS.
References Cited (Backward Citations)
US2429427A
Cited
US2865019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |