US3234553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Omni-directional instrument landing system, particularly for vertical take-off and v/stol aircraft
Assignee: International Standard Electric Corp
•
Filing: 1963-03-05
•
Granted: 1966-02-08
•
Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Steiner Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:45
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/38; G01S1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN OMNI-DIRECTIONAL RADIO RANGE INSTRUMENT LANDING SYSTEM FOR VERTICAL TAKE-OFF AND V/STOL AIRCRAFT, HAVING A PLURALITY OF OMNI-DIRECTIONAL RANGE RADIO BEACONS BY WHICH A FAMILY OF 0-PLANES IS DEFINED PASSING THROUGH THE AXIS OF THE OMNI-DIRECTIONAL RANGE RADIO BEACON AS THE COMMON INTERSECTING STRAIGHT LINE, EACH SAID 0 PLANE BEING A VERTICAL PLANE WHICH EXTENDS RADIALLY FROM THE AXIS OF THE ANTENNA SYSTEM, ALONG WHICH PLANE THE AZIMUTH OF THE AIRCRAFT MAY BE MEASURED COMPRISING AT LEAST THREE RADIO BEACONS, THE ANTENNA SYSTEMS OF SAID RADIO BEACONS BEING POSITIONED AT THE CORNERS OF A GEOMETRICAL FIGURE SO THAT THE AXIS OF THE ANTENNA SYSTEM OF EACH SAID RADIO BEACON FORMS AN ANGLE DIFFERENT FROM 90* WITH RESPECT TO THE HORIZONTAL PLANE SO THAT THE DIRECTION OF THE INCLINATION OF THE AXES WITH RESPECT TO THE HORIZONTAL PLANE VARIES FOR THE INDIVIDUAL ANTENNA SYSTEMS.
Claim 2
Dependent Claim
143 words
AN OMNI-DIRECTIONAL RADIO RANGE INSTRUMENT LANDING SYSTEM FOR VERTICAL TAKE-OFF AND V/STOL AIRCRAFT, HAVING A PLURALITY OF OMNI-DIRECTIONAL RANGE RADIO BEACONS BY WHICH A FAMILY OF 0-PLANES IS DEFINED PASSING THROUGH THE AXIS OF THE OMNI-DIRECTIONAL RANGE RADIO BEACON AS THE COMMON INTERSECTING STRAIGHT LINE, EACH SAID 0 PLANE BEING A VERTICAL PLANE WHICH EXTENDS RADIALLY FROM THE AXIS OF THE ANTENNA SYSTEM, ALONG WHICH PLANE THE AZIMUTH OF THE AIRCRAFT MAY BE MEASURED COMPRISING AT LEAST THREE RADIO BEACONS, THE ANTENNA SYSTEMS OF SAID RADIO BEACONS BEING POSITIONED AT THE CORNERS OF A GEOMETRICAL FIGURE SO THAT THE AXIS OF THE ANTENNA SYSTEM OF EACH SAID RADIO BEACON FORMS AN ANGLE DIFFERENT FROM 90* WITH RESPECT TO THE HORIZONTAL PLANE SO THAT THE DIRECTION OF THE INCLINATION OF THE AXES WITH RESPECT TO THE HORIZONTAL PLANE VARIES FOR THE INDIVIDUAL ANTENNA SYSTEMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |