US3088110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable zone display radar systems
Assignee: Marconis Wireless Telegraph Co Ltd
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Filing: 1958-10-09
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Granted: 1963-04-30
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Expires: 1978-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hunter Ian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:47
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A RADAR SYSTEM INCLUDING A ROTATABLE AERIAL, A CATHODE RAY DISPLAY TUBE, WAVE GENERATING MEANS, SAID MEANS BEING SYNCHRONIZED WITH THE ROTATION OF SAID AERIAL, SAID MEANS BEING CONNECTED TO DEFLECT THE RAY OF SAID TUBE IN ONE CO-ORDINATE DIRECTION OVER A PREDETERMINED LIMITED ANGLE OF AZIMUTH AND TO PROVIDE A DEFLECTION SWEEP WHOSE RATE OF DEFLECTION IS GREATER OVER THE CENTER PART OF THE SWEEP THAN AT ITS ENDS, MEANS TO VARY IN AZIMUTH SAID LIMITED ANGLE OF AZIMUTH, A RADAR RECEIVER, SAID RECEIVER BEING CONNECTED TO DEFLECT THE RAY IN SAID TUBE IN THE OTHER CO-ORDINATE DIRECTION IN CORRESPONDENCE WITH RECEIVED ECHO SIGNALS, A RANGE GATING SIGNAL GENERATOR AND MEANS FOR COUPLING SAID RANGE GATING SIGNAL GENERATOR TO SAID DISPLAY TUBE TO PERMIT THE DISPLAY OF SIGNALS RECEIVED ONLY FROM A PREDETERMINED RANGE ZONE.
Claim 2
Dependent Claim
136 words
A RADAR SYSTEM INCLUDING A ROTATABLE AERIAL, A CATHODE RAY DISPLAY TUBE, WAVE GENERATING MEANS, SAID MEANS BEING SYNCHRONIZED WITH THE ROTATION OF SAID AERIAL, SAID MEANS BEING CONNECTED TO DEFLECT THE RAY OF SAID TUBE IN ONE CO-ORDINATE DIRECTION OVER A PREDETERMINED LIMITED ANGLE OF AZIMUTH AND TO PROVIDE A DEFLECTION SWEEP WHOSE RATE OF DEFLECTION IS GREATER OVER THE CENTER PART OF THE SWEEP THAN AT ITS ENDS, MEANS TO VARY IN AZIMUTH SAID LIMITED ANGLE OF AZIMUTH, A RADAR RECEIVER, SAID RECEIVER BEING CONNECTED TO DEFLECT THE RAY IN SAID TUBE IN THE OTHER CO-ORDINATE DIRECTION IN CORRESPONDENCE WITH RECEIVED ECHO SIGNALS, A RANGE GATING SIGNAL GENERATOR AND MEANS FOR COUPLING SAID RANGE GATING SIGNAL GENERATOR TO SAID DISPLAY TUBE TO PERMIT THE DISPLAY OF SIGNALS RECEIVED ONLY FROM A PREDETERMINED RANGE ZONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |