US3229298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bent-arm multiband dipole antenna wherein overall dimension is quarter wavelength on low band
Assignee: Individual
•
Filing: 1962-11-27
•
Granted: 1966-01-11
•
Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Dean O Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:59
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/342; H01Q5/357
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
AN ANTENNA OPERATIVE OVER A PLURALITY OF BANDS OF FREQUENCIES ADAPTED TO BE FED BY A RADIO FREQUENCY GENERATOR, COMPRISING AT LEAST ONE CONDUCTOR OF COPPER WELD WIRE OF RELATIVELY SMALL GAUGE HAVING ONE END CONNECTED TO SAID GENERATOR, SAID CONDUCTOR BEING PROVIDED WITH A RETURN BENT PORTION FORMING A SECOND CONDUCTOR OF A LENGTH SUBSTANTIALLY EQUAL TO SAID FIRST NAMED CONDUCTOR AND EXTENDING IN CLOSELY SPACED PARALLEL RELATION THEREWITH FOR ITS ENTIRE LENGTH EXTENDING ALONG THE ENTIRE LENGTH OF SAID CONDUCTOR AND TERMINATING IN AN OPEN CONDITION AT A POINT IN CLOSE PROXIMITY TO SAID CONNECTION POINT OF THE GENERATOR, SUCH THAT AT THE LOWEST FREQUENCY BAND OF OPERATION THE OVERALL LENGTH OF THE ANTENNA IS SUBSTANTIALLY REDUCED OVER THAT A RESONANT QUARTER OR HALF WAVE ANTENNA, WHILE YET ANOTHER SEPARATE BAND OF FREQUENCIES OF OPERATION IS PROVIDED AT A HIGHER FREQUENCY DETERMINED BY A FRACTIONAL PART OF THE TOTAL LENGTH OF SAID CONDUCTORS, SAID ANTENNA BEING OPERATIONAL AT SUBSTANTIALLY HALF WAVE AND QUARTER WAVE OVERALL LENGTH WHEN COMPARED TO A HALF WAVE ANTENNA AND QUARTER WAVE AND EIGHT WAVE OVERALL LENGTH WHEN COMPARED TO A QUARTER WAVE ANTENNA, WHILE YET MAINTAINING A REASONABLE IMPEDANCE MATCH AT BOTH FREQUENCY BANDS OF OPERATION WITHOUT THE USE OF AUXILIARY MATCHING NETWORKS.
Claim 2
Dependent Claim
210 words
AN ANTENNA OPERATIVE OVER A PLURALITY OF BANDS OF FREQUENCIES ADAPTED TO BE FED BY A RADIO FREQUENCY GENERATOR, COMPRISING AT LEAST ONE CONDUCTOR OF COPPER WELD WIRE OF RELATIVELY SMALL GAUGE HAVING ONE END CONNECTED TO SAID GENERATOR, SAID CONDUCTOR BEING PROVIDED WITH A RETURN BENT PORTION FORMING A SECOND CONDUCTOR OF A LENGTH SUBSTANTIALLY EQUAL TO SAID FIRST NAMED CONDUCTOR AND EXTENDING IN CLOSELY SPACED PARALLEL RELATION THEREWITH FOR ITS ENTIRE LENGTH EXTENDING ALONG THE ENTIRE LENGTH OF SAID CONDUCTOR AND TERMINATING IN AN OPEN CONDITION AT A POINT IN CLOSE PROXIMITY TO SAID CONNECTION POINT OF THE GENERATOR, SUCH THAT AT THE LOWEST FREQUENCY BAND OF OPERATION THE OVERALL LENGTH OF THE ANTENNA IS SUBSTANTIALLY REDUCED OVER THAT A RESONANT QUARTER OR HALF WAVE ANTENNA, WHILE YET ANOTHER SEPARATE BAND OF FREQUENCIES OF OPERATION IS PROVIDED AT A HIGHER FREQUENCY DETERMINED BY A FRACTIONAL PART OF THE TOTAL LENGTH OF SAID CONDUCTORS, SAID ANTENNA BEING OPERATIONAL AT SUBSTANTIALLY HALF WAVE AND QUARTER WAVE OVERALL LENGTH WHEN COMPARED TO A HALF WAVE ANTENNA AND QUARTER WAVE AND EIGHT WAVE OVERALL LENGTH WHEN COMPARED TO A QUARTER WAVE ANTENNA, WHILE YET MAINTAINING A REASONABLE IMPEDANCE MATCH AT BOTH FREQUENCY BANDS OF OPERATION WITHOUT THE USE OF AUXILIARY MATCHING NETWORKS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |