US3096514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving target indicator systems
Assignee: Raytheon Co
•
Filing: 1958-12-26
•
Granted: 1963-07-02
•
Expires: 1978-12-26
Abstract
No abstract record available.
Inventors
- 👤 John T Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:41
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/5242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A MOVING TARGET INDICATING SYSTEM HAVING A COHERENT OSCILLATOR, THE IMPROVEMENT COMPRISING A FIRST STABLE OSCILLATOR, MEANS FOR FREQUENCY MODULATING SAID FIRST OSCILLATOR, A FIRST HETERODYNING DEVICE, THE OUTPUTS OF SAID FIRST OSCILLATOR AND SAID COHERENT OSCILLATOR BEING COUPLED TO SAID FIRST HETERODYNING DEVICE, A FIRST FILTER CONNECTED TO THE OUTPUT OF SAID FIRST DEVICE FOR PASSING THE RESULTANT SUM FREQUENCY SIGNALS TO A SECOND HETERODYNING DEVICE, A SECOND STABLE OSCILLATOR HAVING ITS OUTPUT COUPLED TO SAID SECOND DEVICE, AND A SECOND FILTER CONNECTED TO THE OUTPUT OF SAID SECOND DEVICE FOR PASSING THE RESULTANT DIFFERENCE FREQUENCY SIGNALS.
Claim 2
Dependent Claim
99 words
IN A MOVING TARGET INDICATING SYSTEM HAVING A COHERENT OSCILLATOR, THE IMPROVEMENT COMPRISING A FIRST STABLE OSCILLATOR, MEANS FOR FREQUENCY MODULATING SAID FIRST OSCILLATOR, A FIRST HETERODYNING DEVICE, THE OUTPUTS OF SAID FIRST OSCILLATOR AND SAID COHERENT OSCILLATOR BEING COUPLED TO SAID FIRST HETERODYNING DEVICE, A FIRST FILTER CONNECTED TO THE OUTPUT OF SAID FIRST DEVICE FOR PASSING THE RESULTANT SUM FREQUENCY SIGNALS TO A SECOND HETERODYNING DEVICE, A SECOND STABLE OSCILLATOR HAVING ITS OUTPUT COUPLED TO SAID SECOND DEVICE, AND A SECOND FILTER CONNECTED TO THE OUTPUT OF SAID SECOND DEVICE FOR PASSING THE RESULTANT DIFFERENCE FREQUENCY SIGNALS.
References Cited (Backward Citations)
US2518864A
Cited
US2769158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |