Patent US5155426A successfully refreshed from Google Patents.
US3261018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature horn antenna
Assignee: TDK Micronas GmbH
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Filing: 1963-08-30
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Granted: 1966-07-12
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Paul L Mast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q19/00; H01Q19/06; H01Q19/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A MINIATURE EXTREMELY HIGH FREQUENCY ANTENNA COMPRISING A TRUNCATED PYRAMIDAL HORN HAVING A CLOSED END OF REALATIVELY SMALL CROSS SECTION AND AN OPEN END OF RELATIVELY LARGE CROSS SECTION WITH A FLARED SKIRT THEREBETWEEN, MEANS FOR FEEDING ENERGY INTO THE SIDE OF SAID FLARED SKIRT NEAR THE CLOSED END THEEOF, MEANS IN SAID HORN FOR SUPPRESSING THE GENERATION OF ELECTROMAGNETIC FIELDS HAVING UNWANTED HIGHER ORDER MODE STRUCTURE, AND MEANS NEAR THE OPEN END FOR TAPERING THE APERTURE ILLUMINATION OF SAID HORN TO REDUCE THE SIDE LOBES OF THE ANTENNA PATTERN TO NEGLIGIBLE VALUES.
Claim 2
Dependent Claim
93 words
A MINIATURE EXTREMELY HIGH FREQUENCY ANTENNA COMPRISING A TRUNCATED PYRAMIDAL HORN HAVING A CLOSED END OF REALATIVELY SMALL CROSS SECTION AND AN OPEN END OF RELATIVELY LARGE CROSS SECTION WITH A FLARED SKIRT THEREBETWEEN, MEANS FOR FEEDING ENERGY INTO THE SIDE OF SAID FLARED SKIRT NEAR THE CLOSED END THEEOF, MEANS IN SAID HORN FOR SUPPRESSING THE GENERATION OF ELECTROMAGNETIC FIELDS HAVING UNWANTED HIGHER ORDER MODE STRUCTURE, AND MEANS NEAR THE OPEN END FOR TAPERING THE APERTURE ILLUMINATION OF SAID HORN TO REDUCE THE SIDE LOBES OF THE ANTENNA PATTERN TO NEGLIGIBLE VALUES.
References Cited (Backward Citations)
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Cited
US2460869A
Cited
US2897494A
Cited
US3147477A
Cited
US3100894A
Cited
US3146449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |