US3099833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of radio scanning
Assignee: National Research Development Corp UK
•
Filing: 1959-03-17
•
Granted: 1963-07-30
•
Expires: 1979-03-17
Abstract
No abstract record available.
Inventors
- 👤 Tucker David Gordon
- 👤 Davies David Evan Naunton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:41
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/426
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A RADAR APPARATUS INCLUDING A TRANSMITTER FOR EMITTING A SERIES OF TIME-SPACED RADIO PULSES THROUGH A TARGET CONTAINING MEDIUM, A RECEIVER HAVING A BEAM-FORMING ANTENNA ARRAY INCORPORATING SPACED APART ANTENNA ELEMENTS CONNECTED WITH RESPECTIVE SIGNAL CHANNELS, A DISPLAY DEVICE HAVING CO-RELATED TIME BASE MEANS DEFINING CO-ORDINATES OF A SECTOR OF THE MEDIUM TO BE EXPLORED, AND AMPLIFIER MEANS WHEREIN SIGNALS IN SAID CHANNELS ARE COMBINED AND FED TO SAID DISPLAY DEVICE; THE PROVISION OF SCANNING MEANS FOR THE BEAM OF SAID RECEIVER ANTENNA ARRAY COMPRISING IN COMBINATION, MEANS FOR GENERATING A LOCAL ELECTRICAL SIGNAL, MODULATOR MEANS IN EACH OF SAID CHANNELS CONNECTED OPERATIVELY WITH SAID GENERATING MEANS AND FED WITH SAID LOCAL SIGNAL TO MODULATE INCOMING SIGNALS IN SAID CHANNELS RESPECTIVELY, PHASE-SHIFT ELEMENTS OPERATIVELY CONNECTED WITH SAID CHANNELS AND SO CO-RELATING THE RELATIVE PHASES OF THE MODULATED SIGNALS THEREIN AS TO DETERMINE THE POSITION OF THE BEAM OF SAID RECEIVER ANTENNA ARRAY IN RELATION TO A REFERENCE AXIS THEREOF, SAID PHASESHIFT ELEMENTS BEING RESPONSIVE TO VARIATION OF SAID LOCAL
Claim 2
Dependent Claim
170 words
IN A RADAR APPARATUS INCLUDING A TRANSMITTER FOR EMITTING A SERIES OF TIME-SPACED RADIO PULSES THROUGH A TARGET CONTAINING MEDIUM, A RECEIVER HAVING A BEAM-FORMING ANTENNA ARRAY INCORPORATING SPACED APART ANTENNA ELEMENTS CONNECTED WITH RESPECTIVE SIGNAL CHANNELS, A DISPLAY DEVICE HAVING CO-RELATED TIME BASE MEANS DEFINING CO-ORDINATES OF A SECTOR OF THE MEDIUM TO BE EXPLORED, AND AMPLIFIER MEANS WHEREIN SIGNALS IN SAID CHANNELS ARE COMBINED AND FED TO SAID DISPLAY DEVICE; THE PROVISION OF SCANNING MEANS FOR THE BEAM OF SAID RECEIVER ANTENNA ARRAY COMPRISING IN COMBINATION, MEANS FOR GENERATING A LOCAL ELECTRICAL SIGNAL, MODULATOR MEANS IN EACH OF SAID CHANNELS CONNECTED OPERATIVELY WITH SAID GENERATING MEANS AND FED WITH SAID LOCAL SIGNAL TO MODULATE INCOMING SIGNALS IN SAID CHANNELS RESPECTIVELY, PHASE-SHIFT ELEMENTS OPERATIVELY CONNECTED WITH SAID CHANNELS AND SO CO-RELATING THE RELATIVE PHASES OF THE MODULATED SIGNALS THEREIN AS TO DETERMINE THE POSITION OF THE BEAM OF SAID RECEIVER ANTENNA ARRAY IN RELATION TO A REFERENCE AXIS THEREOF, SAID PHASESHIFT ELEMENTS BEING RESPONSIVE TO VARIATION OF SAID LOCAL
References Cited (Backward Citations)
US2407169A
Cited
US2426460A
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 |