US3085241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
True-motion radar display system
Assignee: RCA Corp
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Filing: 1958-12-24
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Granted: 1963-04-09
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Charles E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/24; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A TRUE-MOTION RADAR SYSTEM TO BE BORNE BY A MOBILE CRAFT, SAID SYSTEM COMPRISING MEANS FOR PRODUCING IN POLAR COORDINATES A DISPLAY ON A DISPLAY SCREEN FOR SHOWING OWN CRAFT''S POSITION AND THE POSITIONS OF OBJECTS IN THE VICINITY OF OWN CRAFT, OWN CRAFT''S POSITION BEING INDICATED BY A MARK ON SAID DISPLAY, MEANS FOR POSITIONING SAID MARK NEAR THE BOUNDARY OF SAID DISPLAY, MEANS FOR CAUSING SAID MARK TO MOVE ON SAID DISPLAY IN ACCORDANCE WITH THE TRAVEL OF SAID CRAFT SO THAT THE POSITION OF SAID MARK IS REPRESENTATIVE OF OWN CRAFT''S POSITION, MEANS FOR HOLDING SAID DISPLAY SCREEN AND SAID MARK STATIONARY IN INERTIAL SPACE SO FAR AS ROTATION IS CONCERNED, MEANS FOR SENSING WHEN SAID MARK REACHES A PREDETERMINED DISTANCE FROM THE CENTER OF SAID SCREEN, AND MEANS CONTROLLED BY SAID SENSING MEANS FOR CHANGING THE POSITION OF SAID MARK IN A SENSE AND AMOUNT TO RESET SAID MARK TO ANOTHER PLACE ON SAID SCREEN AT WHICH, IF SAID CRAFT CONTINUES TO TRAVEL IN THE SAME DIRECTION, THE MARK PASSES THROUGH THE CENTER OF THE SCREEN.
Claim 2
Dependent Claim
180 words
A TRUE-MOTION RADAR SYSTEM TO BE BORNE BY A MOBILE CRAFT, SAID SYSTEM COMPRISING MEANS FOR PRODUCING IN POLAR COORDINATES A DISPLAY ON A DISPLAY SCREEN FOR SHOWING OWN CRAFT''S POSITION AND THE POSITIONS OF OBJECTS IN THE VICINITY OF OWN CRAFT, OWN CRAFT''S POSITION BEING INDICATED BY A MARK ON SAID DISPLAY, MEANS FOR POSITIONING SAID MARK NEAR THE BOUNDARY OF SAID DISPLAY, MEANS FOR CAUSING SAID MARK TO MOVE ON SAID DISPLAY IN ACCORDANCE WITH THE TRAVEL OF SAID CRAFT SO THAT THE POSITION OF SAID MARK IS REPRESENTATIVE OF OWN CRAFT''S POSITION, MEANS FOR HOLDING SAID DISPLAY SCREEN AND SAID MARK STATIONARY IN INERTIAL SPACE SO FAR AS ROTATION IS CONCERNED, MEANS FOR SENSING WHEN SAID MARK REACHES A PREDETERMINED DISTANCE FROM THE CENTER OF SAID SCREEN, AND MEANS CONTROLLED BY SAID SENSING MEANS FOR CHANGING THE POSITION OF SAID MARK IN A SENSE AND AMOUNT TO RESET SAID MARK TO ANOTHER PLACE ON SAID SCREEN AT WHICH, IF SAID CRAFT CONTINUES TO TRAVEL IN THE SAME DIRECTION, THE MARK PASSES THROUGH THE CENTER OF THE SCREEN.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |