US3150368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse compression residue blanking
Assignee: Individual
•
Filing: 1963-03-25
•
Granted: 1964-09-22
•
Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Richard C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/26; G01S13/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PULSE COMPRESSION RESIDUE BLANKING CIRCUIT FOR PULSE COMPRESSION RADAR COMPRISING: A RADAR RECEIVER HAVING A MIXER RECEIVING RADAR SIGNALS AND LOCAL OSCILLATIONS FROM AN ANTENNA AND A LOCAL OSCILLATOR, RESPECTIVELY, FOR PRODUCTION OF INTERMEDIATE FREQUENCY ECHO SIGNALS; A PULSE COMPRESSION FILTER CIRCUIT MEANS COUPLED TO RECEIVE SAID INTERMEDIATE FREQUENCY ECHO SIGNALS TO PRODUCE COMPRESSION AND PARTIAL COMPRESSION OF SAID ECHO SIGNALS ON TWO OUTPUTS THEREOF; A DETECTOR COUPLED TO EACH SAID OUTPUT OF SAID PULSE COMPRESSION FILTER MEANS TO PRODUCE DETECTED OUTPUTS OF SAID COMPRESSED ECHO SIGNALS AND PARTIALLY COMPRESSED ECHO SIGNALS; AND A SUBTRACTOR CIRCUIT COUPLED TO RECEIVE AND SUBTRACT SAID PARTIALLY COMPRESSED ECHO SIGNALS FROM SAID COMPRESSED ECHO SIGNALS ON AN OUTPUT THEREOF WHEREBY RESIDUE SIGNALS FALLING WITHIN THE PARTIALLY COMPRESSED ECHO SIGNAL AMPLITUDE ARE BLANKED IN SAID SUBTRACTOR CIRCUIT FROM SAID TARGET SIGNALS.
Claim 2
Dependent Claim
137 words
A PULSE COMPRESSION RESIDUE BLANKING CIRCUIT FOR PULSE COMPRESSION RADAR COMPRISING: A RADAR RECEIVER HAVING A MIXER RECEIVING RADAR SIGNALS AND LOCAL OSCILLATIONS FROM AN ANTENNA AND A LOCAL OSCILLATOR, RESPECTIVELY, FOR PRODUCTION OF INTERMEDIATE FREQUENCY ECHO SIGNALS; A PULSE COMPRESSION FILTER CIRCUIT MEANS COUPLED TO RECEIVE SAID INTERMEDIATE FREQUENCY ECHO SIGNALS TO PRODUCE COMPRESSION AND PARTIAL COMPRESSION OF SAID ECHO SIGNALS ON TWO OUTPUTS THEREOF; A DETECTOR COUPLED TO EACH SAID OUTPUT OF SAID PULSE COMPRESSION FILTER MEANS TO PRODUCE DETECTED OUTPUTS OF SAID COMPRESSED ECHO SIGNALS AND PARTIALLY COMPRESSED ECHO SIGNALS; AND A SUBTRACTOR CIRCUIT COUPLED TO RECEIVE AND SUBTRACT SAID PARTIALLY COMPRESSED ECHO SIGNALS FROM SAID COMPRESSED ECHO SIGNALS ON AN OUTPUT THEREOF WHEREBY RESIDUE SIGNALS FALLING WITHIN THE PARTIALLY COMPRESSED ECHO SIGNAL AMPLITUDE ARE BLANKED IN SAID SUBTRACTOR CIRCUIT FROM SAID TARGET SIGNALS.
References Cited (Backward Citations)
US3105967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |