US3089960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical drive circuit
Assignee: AT&T Inc
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Filing: 1960-05-02
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Granted: 1963-05-14
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 George G Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/601
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CIRCUIT FOR DRIVING A LOAD DEVICE COMPRISING A FIRST WINDING HAVING TWO DISTINCT PORTIONS, A SECOND WINDING CONNECTED TO SAID LOAD DEVICE AND INDUCTIVELY COUPLED TO SAID FIRST WINDING, CAPACITIVE MEANS CONNECTED TO SAID FIRST WINDING, MEANS FOR CONTROLLING CURRENT FLOW THROUGH SAID CAPACITIVE MEANS AND ONE PORTION OF SAID FIRST WINDING TO ESTABLISH A PREDETERMINED VOLTAGE IN SAID SECOND WINDING, AND MEANS RESPONSIVE TO A CHARGE ESTABLISHED ON SAID CAPACITIVE MEANS BY SAID CURRENT FLOW FOR ESTABLISHING CURRENT FLOW THROUGH BOTH PORTIONS OF SAID FIRST WINDING TO INDUCE A SECOND PREDETERMINED VOLTAGE IN SAID SECOND WINDING.
Claim 2
Dependent Claim
98 words
A CIRCUIT FOR DRIVING A LOAD DEVICE COMPRISING A FIRST WINDING HAVING TWO DISTINCT PORTIONS, A SECOND WINDING CONNECTED TO SAID LOAD DEVICE AND INDUCTIVELY COUPLED TO SAID FIRST WINDING, CAPACITIVE MEANS CONNECTED TO SAID FIRST WINDING, MEANS FOR CONTROLLING CURRENT FLOW THROUGH SAID CAPACITIVE MEANS AND ONE PORTION OF SAID FIRST WINDING TO ESTABLISH A PREDETERMINED VOLTAGE IN SAID SECOND WINDING, AND MEANS RESPONSIVE TO A CHARGE ESTABLISHED ON SAID CAPACITIVE MEANS BY SAID CURRENT FLOW FOR ESTABLISHING CURRENT FLOW THROUGH BOTH PORTIONS OF SAID FIRST WINDING TO INDUCE A SECOND PREDETERMINED VOLTAGE IN SAID SECOND WINDING.
References Cited (Backward Citations)
US1343203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |