Patent US3317896A successfully refreshed from Google Patents.
US3317896A
Expired / Lapsed
US
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Transformer switching matrix
Assignee: Control Data Corp
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Filing: 1963-06-04
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Granted: 1967-05-02
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Vernon P Bollesen
- 👤 Leo F Slattery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:24
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/002; G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; H03K17/51; H03K17/80; H03K17/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A POWER STEERING DRIVER FOR SELECTIVELY GENERATING A VOLTAGE ON ONE OF A PLURALITY OF OUTPUT LINES, COMPRISING: A POWER STEERING DRIVE MATRIX INCLUDING A PLURALITY OF TRANSFORMER COMPONENTS, EACH OF SAID COMPONENTS HAVING A PAIR OF PRIMARY WINDINGS EFFECTIVELY WOUND IN OPPOSITE SENSE AND A PLURALITY OF SECONDARY WINDINGS, THE INDIVIDUAL SECONDARY WINDINGS OF EACH COMPONENT BEING CONNECTED IN SERIES WITH AT LEAST ONE SECONDARY WINDING OF ANOTHER TRANSFORMER COMPONENT AND WITH AN OUTPUT LINE; INPUT CONTROL MEANS SELECTIVELY ACTUATED TO CONNECT AN EXTERNAL VOLTAGE SOURCE TO SAID MATRIX TO ENERGIZE SINGLE PRIMARY WINDINGS OF MORE THAN ONE TRANSFORMER COMPONENT THERE-
Claim 2
Dependent Claim
102 words
A POWER STEERING DRIVER FOR SELECTIVELY GENERATING A VOLTAGE ON ONE OF A PLURALITY OF OUTPUT LINES, COMPRISING: A POWER STEERING DRIVE MATRIX INCLUDING A PLURALITY OF TRANSFORMER COMPONENTS, EACH OF SAID COMPONENTS HAVING A PAIR OF PRIMARY WINDINGS EFFECTIVELY WOUND IN OPPOSITE SENSE AND A PLURALITY OF SECONDARY WINDINGS, THE INDIVIDUAL SECONDARY WINDINGS OF EACH COMPONENT BEING CONNECTED IN SERIES WITH AT LEAST ONE SECONDARY WINDING OF ANOTHER TRANSFORMER COMPONENT AND WITH AN OUTPUT LINE; INPUT CONTROL MEANS SELECTIVELY ACTUATED TO CONNECT AN EXTERNAL VOLTAGE SOURCE TO SAID MATRIX TO ENERGIZE SINGLE PRIMARY WINDINGS OF MORE THAN ONE TRANSFORMER COMPONENT THERE-
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |