US3132342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system using parasitic elements and two driven elements at 90 deg. angle fed180 deg. out of phase
Assignee: Individual
•
Filing: 1962-07-12
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Granted: 1964-05-05
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Roland R Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:42
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ANTENNA SYSTEM FOR USE ON AN UNORIENTED SPHERICAL METALLIC SATELLITE COMPRISING: FOUR MONOPOLE ANTENNA ELEMENTS EACH HAVING A PHYSICAL LENGTH EQUAL TO ONE QUARTER OF A WAVELENGTH OF THE OPERATING FREQUENCY OF THE ANTENNA SYSTEM; MEANS FOR INSULATEDLY ATTACHING THE SAID FOUR MONOPOLE ANTENNA ELEMENTS TO THE OUTER SURFACE OF THE SATELLITE IN A COMMON PLANE 90* APART; MEANS FOR APPLYING, AT THE OPERATING FREQUENCY, SIGNALS TO BE RADIATED 180* OUT OF PHASE TO AN ADJACENT TWO OF SAID FOUR MONOPOLE ANTENNA ELEMENTS; AND A FLOATING RESISTOR MEANS CONNECTED TO THE OTHER TWO OF SAID FOUR MONOPOLE ANTENNA ELEMENTS TO FORM AN ANTENNA ELEMENT PAIR WHEREBY THE OMNIDIRECTIONAL COVERAGE OF THE ANTENNA SYSTEM IS IMPROVED.
Claim 2
Dependent Claim
116 words
AN ANTENNA SYSTEM FOR USE ON AN UNORIENTED SPHERICAL METALLIC SATELLITE COMPRISING: FOUR MONOPOLE ANTENNA ELEMENTS EACH HAVING A PHYSICAL LENGTH EQUAL TO ONE QUARTER OF A WAVELENGTH OF THE OPERATING FREQUENCY OF THE ANTENNA SYSTEM; MEANS FOR INSULATEDLY ATTACHING THE SAID FOUR MONOPOLE ANTENNA ELEMENTS TO THE OUTER SURFACE OF THE SATELLITE IN A COMMON PLANE 90* APART; MEANS FOR APPLYING, AT THE OPERATING FREQUENCY, SIGNALS TO BE RADIATED 180* OUT OF PHASE TO AN ADJACENT TWO OF SAID FOUR MONOPOLE ANTENNA ELEMENTS; AND A FLOATING RESISTOR MEANS CONNECTED TO THE OTHER TWO OF SAID FOUR MONOPOLE ANTENNA ELEMENTS TO FORM AN ANTENNA ELEMENT PAIR WHEREBY THE OMNIDIRECTIONAL COVERAGE OF THE ANTENNA SYSTEM IS IMPROVED.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |