US3150332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Second harmonic modulator
Assignee: COUTROL DATA Corp
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Filing: 1960-06-10
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Granted: 1964-09-22
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Bevitt J Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SECOND HARMONIC MODULATOR COMPRISING A PAIR OF SATURABLE MAGNETIC CORES, AN EXCITATION WINDING FOR EACH OF SAID CORES, MEANS CONNECTING SAID WINDINGS IN OPPOSING SERIES RELATION, MEANS FOR APPLYING AN EXCITATION SIGNAL HAVING AN ESSENTIALLY SYMMETRICAL RECTANGULAR WAVEFORM OF FUNDAMENTAL FREQUENCY F TO SAID WINDINGS FOR VARYING THE MAGNETIC FLUX IN EACH OF SAID CORES IN OPPOSITE SENSES, MEANS FOR APPLYING TO SAID WINDINGS A DIRECT CURRENT BIAS POTENTIAL FOR ESTABLISHING AN EQUAL MAGNETIC FLUX IN EACH OF SAID CORES IN OPPOSITE SENSES, A SEPARATE WINDING COMMON TO BOTH OF SAID CORES, MEANS FOR APPLYING A MODULATING SIGNAL TO SAID SEPARATE WINDING THEREBY TO MAGNETICALLY BIAS EACH OF SAID CORES IN THE SAME SENSE, WHEREBY THE POWER REQUIRED TO DRIVE SAID MODULATOR IS REDUCED.
Claim 2
Dependent Claim
125 words
A SECOND HARMONIC MODULATOR COMPRISING A PAIR OF SATURABLE MAGNETIC CORES, AN EXCITATION WINDING FOR EACH OF SAID CORES, MEANS CONNECTING SAID WINDINGS IN OPPOSING SERIES RELATION, MEANS FOR APPLYING AN EXCITATION SIGNAL HAVING AN ESSENTIALLY SYMMETRICAL RECTANGULAR WAVEFORM OF FUNDAMENTAL FREQUENCY F TO SAID WINDINGS FOR VARYING THE MAGNETIC FLUX IN EACH OF SAID CORES IN OPPOSITE SENSES, MEANS FOR APPLYING TO SAID WINDINGS A DIRECT CURRENT BIAS POTENTIAL FOR ESTABLISHING AN EQUAL MAGNETIC FLUX IN EACH OF SAID CORES IN OPPOSITE SENSES, A SEPARATE WINDING COMMON TO BOTH OF SAID CORES, MEANS FOR APPLYING A MODULATING SIGNAL TO SAID SEPARATE WINDING THEREBY TO MAGNETICALLY BIAS EACH OF SAID CORES IN THE SAME SENSE, WHEREBY THE POWER REQUIRED TO DRIVE SAID MODULATOR IS REDUCED.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |