US3220002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving and fixed target pulsed radar receiving system
Assignee: Raytheon Co
•
Filing: 1963-09-11
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Granted: 1965-11-23
•
Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 William W Shrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:39
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A PULSED RADAR RECEIVING SYSTEM FOR USE IN COOPERATION WITH A PULSED RADAR TRANSMITTING SYSTEM, THE LATTER BEING ARRANGED TO TRANSMIT PULSES OF HIGH FREQUENCY ENERGY OF PREDETERMINED TIME DURATION AT A PREDETERMINED PULSE REPETITION FREQUENCY, SAID RECEIVING SYSTEM COMPRISING MEANS FOR RECEIVING PULSE SIGNAL ECHOES PRODUCED BY THE REFLECTION OF TRANSMITTED PULSE SIGNALS FROM RADIATION-REFLECTIVE MATTER, A FIRST SIGNAL CHANNEL COUPLED TO SAID RECEIVING MEANS COMPRISING FIRST AMPLIFYING MEANS FOR PRODUCING OUTPUT SIGNALS SUBSTANTIALLY PROPORTIONAL TO INPUT SIGNALS SUPPLIED THERETO AT INPUT SIGNAL LEVELS UP TO A LIMITING INPUT SIGNAL LEVEL SUBSTANTIALLY GREATER THAN THE NOISE INPUT LEVEL TO SAID FIRST AMPLIFYING MEANS AND FOR PRODUCING LIMITED SUBSTANTIALLY CONSTANT MAGNITUDE OUTPUT SIGNALS IN RESPONSE TO ALL INPUT SIGNALS EQUAL TO OR GREATER THAN SAID LIMITING INPUT SIGNAL LEVEL, SAID RECEIVING SYSTEM FURTHER COMPRISING A SECOND SIGNAL CHANNEL COUPLED TO SAID RECEIVING MEANS COMPRISING SECOND AMPLIFYING MEANS FOR PRODUCING LIMITED SUBSTANTIALLY CONSTANT MAGNITUDE OUTPUT SIGNALS IN RESPONSE TO ALL INPUT SIGNALS SUPPLIED THERETO WHICH ARE EQUAL TO OR GREATER THAN THE NOISE INPUT LEVEL TO SAID SECOND AMPLIFYING MEANS, ONE OF SAID SIGNAL CHANNELS FURTHER COMPRISING MEANS FOR DELAYING SIGNALS
Claim 2
Dependent Claim
190 words
A PULSED RADAR RECEIVING SYSTEM FOR USE IN COOPERATION WITH A PULSED RADAR TRANSMITTING SYSTEM, THE LATTER BEING ARRANGED TO TRANSMIT PULSES OF HIGH FREQUENCY ENERGY OF PREDETERMINED TIME DURATION AT A PREDETERMINED PULSE REPETITION FREQUENCY, SAID RECEIVING SYSTEM COMPRISING MEANS FOR RECEIVING PULSE SIGNAL ECHOES PRODUCED BY THE REFLECTION OF TRANSMITTED PULSE SIGNALS FROM RADIATION-REFLECTIVE MATTER, A FIRST SIGNAL CHANNEL COUPLED TO SAID RECEIVING MEANS COMPRISING FIRST AMPLIFYING MEANS FOR PRODUCING OUTPUT SIGNALS SUBSTANTIALLY PROPORTIONAL TO INPUT SIGNALS SUPPLIED THERETO AT INPUT SIGNAL LEVELS UP TO A LIMITING INPUT SIGNAL LEVEL SUBSTANTIALLY GREATER THAN THE NOISE INPUT LEVEL TO SAID FIRST AMPLIFYING MEANS AND FOR PRODUCING LIMITED SUBSTANTIALLY CONSTANT MAGNITUDE OUTPUT SIGNALS IN RESPONSE TO ALL INPUT SIGNALS EQUAL TO OR GREATER THAN SAID LIMITING INPUT SIGNAL LEVEL, SAID RECEIVING SYSTEM FURTHER COMPRISING A SECOND SIGNAL CHANNEL COUPLED TO SAID RECEIVING MEANS COMPRISING SECOND AMPLIFYING MEANS FOR PRODUCING LIMITED SUBSTANTIALLY CONSTANT MAGNITUDE OUTPUT SIGNALS IN RESPONSE TO ALL INPUT SIGNALS SUPPLIED THERETO WHICH ARE EQUAL TO OR GREATER THAN THE NOISE INPUT LEVEL TO SAID SECOND AMPLIFYING MEANS, ONE OF SAID SIGNAL CHANNELS FURTHER COMPRISING MEANS FOR DELAYING SIGNALS
References Cited (Backward Citations)
US3026514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |