US3226718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual sideband radio beacon
Assignee: International Standard Electric Corp
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Filing: 1963-02-12
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Granted: 1965-12-28
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Expires: 1983-02-12
Abstract
No abstract record available.
Inventors
- 👤 Earp Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:11
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24; H01Q3/242; G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/38; G01S1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A RADIO BEACON HAVING AN ODD NUMBER OF SPACED ANTENNAE OCCUPYING ONE HALF OF A NUMBER OF EQUISPACED POSITIONS ON A CIRCLE, NO ANTENNA BEING DIAMETRICALLY OPPOSITE ANOTHER ANTENNA, INCLUDING MEANS TO ENERGIZE THE ANTENNAE SINGLY AND CYLCICALLY FROM A FIRST SOURCE OF WAVES SO THAT THE ENERGIZATION CYCLE TRAVELS AT A CONSTANT SPEED AROUND THE CIRCLE, MEANS OPERATIVE ON THE ENERGIZATION REACHING A POSITION IN ITS CYCLE UNOCCUPIED BY AN ANTENNA TO ENERGIZE THE ANTENNA DIAMETRICALLY OPPOSITE THAT POSITION FROM A SECOND SOURCE OF WAVES, WHEREBY RADIATION IS ALTERNATELY OF WAVES FROM THE ONE SOURCE AND OF WAVES FROM THE OTHER SOURCE AND WHEREBY THE CYCLIC PROGESSION OF A PAIR OF DIAMETRICALLY OPPOSITE AND INTEMITTENT SOURCES
Claim 2
Dependent Claim
117 words
A RADIO BEACON HAVING AN ODD NUMBER OF SPACED ANTENNAE OCCUPYING ONE HALF OF A NUMBER OF EQUISPACED POSITIONS ON A CIRCLE, NO ANTENNA BEING DIAMETRICALLY OPPOSITE ANOTHER ANTENNA, INCLUDING MEANS TO ENERGIZE THE ANTENNAE SINGLY AND CYLCICALLY FROM A FIRST SOURCE OF WAVES SO THAT THE ENERGIZATION CYCLE TRAVELS AT A CONSTANT SPEED AROUND THE CIRCLE, MEANS OPERATIVE ON THE ENERGIZATION REACHING A POSITION IN ITS CYCLE UNOCCUPIED BY AN ANTENNA TO ENERGIZE THE ANTENNA DIAMETRICALLY OPPOSITE THAT POSITION FROM A SECOND SOURCE OF WAVES, WHEREBY RADIATION IS ALTERNATELY OF WAVES FROM THE ONE SOURCE AND OF WAVES FROM THE OTHER SOURCE AND WHEREBY THE CYCLIC PROGESSION OF A PAIR OF DIAMETRICALLY OPPOSITE AND INTEMITTENT SOURCES
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |