Patent US3337818A successfully refreshed from Google Patents.
US3337818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulation system with multiple modulation outputs
Assignee: Rucker Co
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Filing: 1964-05-18
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Granted: 1967-08-22
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Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Wahlgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:05
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/02; H03F1/04; H03F1/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
166 words
A MULTIPLE OUTPUT MEANS FOR A WIDE FREQUENCY BAND SYSTEM WHEREBY MULTIPLE OUTPUTS AT VARIOUS POWER LEVELS ARE REQUIRED, SAID MULTIPLE OUTPUTS MEANS COMPRISING A MODULATION REACTOR INVOLVING A CORE AND A MAIN WINDING THEREON, A MAIN POWER TAKE-OFF CONNECTION FROM SAID MAIN WINDING, AND MEANS FOR DERIVING SUBSTANTIALLY LESS POWER FORM SAID REACTOR, SAID MEANS INCLUDING A SECOND WINDING ON SAID REACTOR CORE FOR CARRYING BUT A FRACTION OF THE POWER REQUIREMENT OF SAID REACTOR, ON THE ORDER OF 10 PERCENT AND LESS, AND INTIMATELY COUPLED MAGNETICALLY TO SAID REACTOR MAIN WINDING, AN AUXILIARY TRANSFORMER HAVING A PRIMARY WINDING AND A SECONDARY WINDING, MEANS COUPLING SAID PRIMARY WINDING TO SAID REACTOR SECOND WINDING AS A SOURCE OF MODULATING POWER, WITH SAID AUXILIARY TRANSFORMER PRIMARY WINDING SUBSTANTIALLY FREE OF MAGNETIC LINKAGE TO SAID REACTOR SECOND WINDING, AND MEANS CONNECTED TO EACH OF SAID REACTOR MAIN WINDING, REACTOR SECOND WINDING, AND TRANSFORMER SECONDARY WINDING FOR SUPPLYING MODULATING POWER TO SEPARATE MODULATING CIRCUITS OF DECREASING DC VOLTAGE VALUES.
References Cited (Backward Citations)
US2463275A
Cited
US3007118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |