US3146450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacity-compensated motor-driven antenna
Assignee: General Bronze Corp
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Filing: 1961-02-01
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Granted: 1964-08-25
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 John L Dooner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:57
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/10; H01Q1/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN ANTENNA DEVICE HAVING A SUBSTANTIALLY CONSTANT OUTPUT CAPACITANCE OVER ITS ENTIRE LENGTH OF STRUCTURE COMPRISING A NUMBER OF TELESCOPING SECTIONS TO BE EXTENDED IN WHIP-LIKE FASHION OR RETRACTED, RACK MEANS OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING ONE END OPERATIVE CONNECTED TO ONE OF SAID SECTIONS, MEANS FOR DRIVING SAID RACK MEANS TO EXTEND OR RETRACT SAID ANTENNA DEVICE, SAID LAST-MENTIONED MEANS INCLUDING GEAR MEANS ELECTRICALLY CONNECTED TO AND OPERATIVELY ENGAGING SAID RACK MEANS, TERMINAL MEANS CONNECTED TO SAID SECTIONS FOR RECEIVING SIGNAL ENERGY FROM SAID ANTENNA DEVICE, AND COMPENSATING CAPACITY MEANS INCLUDING A PAIR OF MOVABLE PLATE MEMBERS, ONE OF SAID PLATE MEMBERS COMPRISING SAID GEAR MEANS, SAID COMPENSATING CAPACITY MEANS BEING CONTINUOUSLY CONTROLLABLE IN ACCORDANCE WITH THE EXTENSION AND RETRACTION OF SAID ANTENNA DEVICE TO COMPENSATE FOR RESULTING VARIATIONS IN THE DISTRIBUTED CAPACITY ACROSS SAID ANTENNA DEVICE THEREBY MAINTAINING THE OUTPUT CAPACITANCE OF SAID ANTENNA DEVICE AT SAID TERMINAL MEANS SUBSTANTIALLY CONSTANT.
Claim 2
Dependent Claim
153 words
AN ANTENNA DEVICE HAVING A SUBSTANTIALLY CONSTANT OUTPUT CAPACITANCE OVER ITS ENTIRE LENGTH OF STRUCTURE COMPRISING A NUMBER OF TELESCOPING SECTIONS TO BE EXTENDED IN WHIP-LIKE FASHION OR RETRACTED, RACK MEANS OF ELECTRICALLY CONDUCTIVE MATERIAL HAVING ONE END OPERATIVE CONNECTED TO ONE OF SAID SECTIONS, MEANS FOR DRIVING SAID RACK MEANS TO EXTEND OR RETRACT SAID ANTENNA DEVICE, SAID LAST-MENTIONED MEANS INCLUDING GEAR MEANS ELECTRICALLY CONNECTED TO AND OPERATIVELY ENGAGING SAID RACK MEANS, TERMINAL MEANS CONNECTED TO SAID SECTIONS FOR RECEIVING SIGNAL ENERGY FROM SAID ANTENNA DEVICE, AND COMPENSATING CAPACITY MEANS INCLUDING A PAIR OF MOVABLE PLATE MEMBERS, ONE OF SAID PLATE MEMBERS COMPRISING SAID GEAR MEANS, SAID COMPENSATING CAPACITY MEANS BEING CONTINUOUSLY CONTROLLABLE IN ACCORDANCE WITH THE EXTENSION AND RETRACTION OF SAID ANTENNA DEVICE TO COMPENSATE FOR RESULTING VARIATIONS IN THE DISTRIBUTED CAPACITY ACROSS SAID ANTENNA DEVICE THEREBY MAINTAINING THE OUTPUT CAPACITANCE OF SAID ANTENNA DEVICE AT SAID TERMINAL MEANS SUBSTANTIALLY CONSTANT.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |