Patent US3075190A successfully refreshed from Google Patents.
US3075190A
Expired / Lapsed
US
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Position indicator system
Assignee: North American Aviation Corp
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Filing: 1956-12-27
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Granted: 1963-01-22
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Laporte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:41
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A POSITION INDICATING SYSTEM COMPRISING A DISPLAY DEVICE HAVING A DISPLAY AREA AND MEANS FOR PRODUCING A VISIBLE MARK THEREON, CONTROL MEANS FOR MOVING SAID MARK IN EACH OF A PAIR OF MUTUALLY ORTHOGONAL COORDINATE DIRECTIONS ON SAID AREA, MEANS FOR GENERATING A PAIR OF POSITION SIGNALS RESPECTIVELY INDICATIVE OF A PAIR OF SPATIAL RECTANGULAR COORDINATES OF A MOVING OBJECT, MEANS FOR FEEDING SAID SIGNALS TO SAID CONTROL MEANS TO CAUSE SAID MARK TO TRACE THE COURSE OF SAID OBJECT, COURSE MEANS FOR GENERATING A COUSE SIGNAL INDICATIVE OF THE ANGULAR RELATION OF SAID COURSE TO A REFERENCE DIRECTION, MEANS RESPONSIVE TO SAID COURSE MEANS FOR GENERATING A MARK INDICATING THE DIRECTION OF TRAVEL ALONG A COURSE, SAID MEANS FOR GENERATING BEING RESPONSIVE TO CHANGES IN COURSE SO AS TO PROVIDE A MARK HAVING A CONSTANT ANGLE RELATIVE TO SAID COURSE.
Claim 2
Dependent Claim
141 words
A POSITION INDICATING SYSTEM COMPRISING A DISPLAY DEVICE HAVING A DISPLAY AREA AND MEANS FOR PRODUCING A VISIBLE MARK THEREON, CONTROL MEANS FOR MOVING SAID MARK IN EACH OF A PAIR OF MUTUALLY ORTHOGONAL COORDINATE DIRECTIONS ON SAID AREA, MEANS FOR GENERATING A PAIR OF POSITION SIGNALS RESPECTIVELY INDICATIVE OF A PAIR OF SPATIAL RECTANGULAR COORDINATES OF A MOVING OBJECT, MEANS FOR FEEDING SAID SIGNALS TO SAID CONTROL MEANS TO CAUSE SAID MARK TO TRACE THE COURSE OF SAID OBJECT, COURSE MEANS FOR GENERATING A COUSE SIGNAL INDICATIVE OF THE ANGULAR RELATION OF SAID COURSE TO A REFERENCE DIRECTION, MEANS RESPONSIVE TO SAID COURSE MEANS FOR GENERATING A MARK INDICATING THE DIRECTION OF TRAVEL ALONG A COURSE, SAID MEANS FOR GENERATING BEING RESPONSIVE TO CHANGES IN COURSE SO AS TO PROVIDE A MARK HAVING A CONSTANT ANGLE RELATIVE TO SAID COURSE.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |