US3460066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control signal apparatus for aircraft
Assignee: Honeywell Inc
•
Filing: 1966-06-30
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Granted: 1969-08-05
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Charles R Seashore
- 👤 Henry W Tenbroek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:36
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
APPARATUS TO GUIDE A CRAFT ALONG A PREDETERMINED COURSE COMPRISING IN COMBINATION: MEANS FOR GENERATING FIRST AND SECOND ELECTROSTATIC FIELDS BOTH OF WHICH HAVE ONLY HORIZONTAL DIRECTION LINES AT PREDETERMINED POINTS, WHICH POINTS LIE IN CURVATE PLANES WHICH ARE INCLINED APPROXIMATELY 45 DEGREES FROM THE SURFACE OF THE EARTH, SAID GENERATING MEANS POSITIONED SO THAT THE CURVATE PLANES INTERSECT TO DEFINITE A CURVATE LINE THROUGH SPACE, SUBSTANTIALLY ALONG THE COURSE THAT THE CRAFT IS TO FOLLOW; MEANS TO CHARACTERIZE SAID SECOND ELECTROSTATIC FIELD SO THAT SAID SECOND FIELD MAY BE DISTINGUISHED FROM SAID FIRST FIELD; ANTENNA MEANS MOUNTED ON THE CRAFT OPERABLE TO SENSE THE DIRECTION OF SAID ELECTROSTATIC FIELDS; AND SIGNAL ANALYZING MEANS CONNECTED T SAID ANTENNA MEANS OPERABLE TO SENSE WHEN THE HORIZONTAL COMPONENTS OF THE FIELDS ARE EQUAL AND THE VERTICAL COMPONENTS ARE ZERO SO THAT THE CRAFT MAY FOLLOW THE PREDETERMINED COURSE AS DEFINED BY SAID LINE THROUGH SPACE.
Claim 2
Dependent Claim
153 words
APPARATUS TO GUIDE A CRAFT ALONG A PREDETERMINED COURSE COMPRISING IN COMBINATION: MEANS FOR GENERATING FIRST AND SECOND ELECTROSTATIC FIELDS BOTH OF WHICH HAVE ONLY HORIZONTAL DIRECTION LINES AT PREDETERMINED POINTS, WHICH POINTS LIE IN CURVATE PLANES WHICH ARE INCLINED APPROXIMATELY 45 DEGREES FROM THE SURFACE OF THE EARTH, SAID GENERATING MEANS POSITIONED SO THAT THE CURVATE PLANES INTERSECT TO DEFINITE A CURVATE LINE THROUGH SPACE, SUBSTANTIALLY ALONG THE COURSE THAT THE CRAFT IS TO FOLLOW; MEANS TO CHARACTERIZE SAID SECOND ELECTROSTATIC FIELD SO THAT SAID SECOND FIELD MAY BE DISTINGUISHED FROM SAID FIRST FIELD; ANTENNA MEANS MOUNTED ON THE CRAFT OPERABLE TO SENSE THE DIRECTION OF SAID ELECTROSTATIC FIELDS; AND SIGNAL ANALYZING MEANS CONNECTED T SAID ANTENNA MEANS OPERABLE TO SENSE WHEN THE HORIZONTAL COMPONENTS OF THE FIELDS ARE EQUAL AND THE VERTICAL COMPONENTS ARE ZERO SO THAT THE CRAFT MAY FOLLOW THE PREDETERMINED COURSE AS DEFINED BY SAID LINE THROUGH SPACE.
References Cited (Backward Citations)
US2179570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |