Patent US3219916A successfully refreshed from Google Patents.
US3219916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system with saturating reactor
Assignee: AT&T Inc
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Filing: 1962-07-02
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Granted: 1965-11-23
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Harry P Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:14
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/04; G05F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A VOLTAGE REGULATOR CIRCUIT OF THE TYPE COMPRISING AN INPUT TO WHICH A VOLTAGE OF FUNDAMENTAL FREQUENCY MAY BE APPLIED, AN OUTPUT, A SATURATING INDUCTOR COUPLED ACROSS SAID OUTPUT, A FIRST LINEAR INDUCTOR COUPLED SERIALLY WITH SAID SATURATING INDUCTOR ACROSS SAID INPUT, A SECOND LINEAR INDUCTOR AND A CAPACITOR COUPLED SERIALLY ACROSS SAID SATURATING INDUCTOR, SAID SECOND LINEAR INDUCTOR AND SAID CAPACITOR BEING TUNED ACROSS SAID SATURATING INDUCTOR TO A SECOND FREQUENCY AT LEAST AS HIGH AS THE THIRD HARMONIC OF SAID FUNDAMENTAL FREQUENCY, SAID CIRCUIT BEING PARTICULARLY CHARACTERIZED BY MAGNETIC COUPLING BETWEEN SAID SECOND LINEAR INDUCTOR AND SAID FIRST LINEAR INDUCTOR IN A POLARITY TO STEP UP THE VOLTAGE AMPLITUDE ACROSS SAID CAPACITOR AT SAID FUNDAMENTAL FREQUENCY, SAID TUNING OF SAID SECOND LINEAR INDUCTOR AND SAID CAPACITOR TO SAID SECOND FREQUENCY BEING DETERMINED AS AFFECTED BY SAID FIRST LINEAR INDUCTOR.
Claim 2
Dependent Claim
141 words
A VOLTAGE REGULATOR CIRCUIT OF THE TYPE COMPRISING AN INPUT TO WHICH A VOLTAGE OF FUNDAMENTAL FREQUENCY MAY BE APPLIED, AN OUTPUT, A SATURATING INDUCTOR COUPLED ACROSS SAID OUTPUT, A FIRST LINEAR INDUCTOR COUPLED SERIALLY WITH SAID SATURATING INDUCTOR ACROSS SAID INPUT, A SECOND LINEAR INDUCTOR AND A CAPACITOR COUPLED SERIALLY ACROSS SAID SATURATING INDUCTOR, SAID SECOND LINEAR INDUCTOR AND SAID CAPACITOR BEING TUNED ACROSS SAID SATURATING INDUCTOR TO A SECOND FREQUENCY AT LEAST AS HIGH AS THE THIRD HARMONIC OF SAID FUNDAMENTAL FREQUENCY, SAID CIRCUIT BEING PARTICULARLY CHARACTERIZED BY MAGNETIC COUPLING BETWEEN SAID SECOND LINEAR INDUCTOR AND SAID FIRST LINEAR INDUCTOR IN A POLARITY TO STEP UP THE VOLTAGE AMPLITUDE ACROSS SAID CAPACITOR AT SAID FUNDAMENTAL FREQUENCY, SAID TUNING OF SAID SECOND LINEAR INDUCTOR AND SAID CAPACITOR TO SAID SECOND FREQUENCY BEING DETERMINED AS AFFECTED BY SAID FIRST LINEAR INDUCTOR.
References Cited (Backward Citations)
US2442214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |