US3127555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer circuits
Assignee: Thales SA
•
Filing: 1958-01-16
•
Granted: 1964-03-31
•
Expires: 1978-01-16
Abstract
No abstract record available.
Inventors
- 👤 Honore Etienne
- 👤 Torcheux Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:47
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/09; G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/163; G06G7/30; H01; H01F; H01F21/00; H01F21/02; H01F21/06; H03H7/17; H03H7/1741; H03H7/1766; H03H7/1775
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A QUADRIPOLE FOR COMPUTER AND TRANSFORMER CIRCUITS, SAID QUADRIPOLE COMPRISING A PAIR OF INPUT AND OUTPUT TERMINALS, CONNECTING MEANS FOR APPLYING AN ALTERNATING ELECTRICAL MAGNITUDE HAVING A PREDETERMINED FREQUENCY BETWEEN SAID INPUT TERMINALS, FIRST AND SECOND CAPACITORS OF EQUAL VALUE CONNECTED ACROSS SAID INPUT AND OUTPUT TERMINALS RESPECTIVELY, A FIRST PAIR OF VARIABLE INDUCTANCE COILS FOR CONNECTING ONE INPUT TERMINAL TO EACH OUTPUT TERMINAL, A SECOND PAIR OF VARIABLE INDUCTANCE COILS FOR CONNECTING THE OTHER INPUT TERMINAL TO EACH OUTPUT TERMINAL, MEANS FOR VARYING THE INDUCTANCE OF SAID COILS, THE SUM OF THE SUSCEPTANCES OF SAID COILS REMAINING CONSTANT AND BEING AT SAID PREDETERMINED FREQUENCY EQUAL TO -K, K HAVING A FIXED VALUE, SAID QUADRIPOLE ALSO INCLUDING TWO PAIRS OF COAXIAL HOLLOW RINGSHAPED INDUCTION POTS, EACH OF THE POTS HAVING TWO POLAR SURFACES, A SHAFT EXTENDING AND MOVABLE ALONG THE COMMON AXIS OF THE POTS AND CARRYING TWO MAGNETIC ARMATURES RESPECTIVELY ASSOCIATED WITH SAID POTS, SAID ARMATURES BEING MAGNETICALLY INSULATED FROM EACH OTHER AND
Claim 2
Dependent Claim
164 words
A QUADRIPOLE FOR COMPUTER AND TRANSFORMER CIRCUITS, SAID QUADRIPOLE COMPRISING A PAIR OF INPUT AND OUTPUT TERMINALS, CONNECTING MEANS FOR APPLYING AN ALTERNATING ELECTRICAL MAGNITUDE HAVING A PREDETERMINED FREQUENCY BETWEEN SAID INPUT TERMINALS, FIRST AND SECOND CAPACITORS OF EQUAL VALUE CONNECTED ACROSS SAID INPUT AND OUTPUT TERMINALS RESPECTIVELY, A FIRST PAIR OF VARIABLE INDUCTANCE COILS FOR CONNECTING ONE INPUT TERMINAL TO EACH OUTPUT TERMINAL, A SECOND PAIR OF VARIABLE INDUCTANCE COILS FOR CONNECTING THE OTHER INPUT TERMINAL TO EACH OUTPUT TERMINAL, MEANS FOR VARYING THE INDUCTANCE OF SAID COILS, THE SUM OF THE SUSCEPTANCES OF SAID COILS REMAINING CONSTANT AND BEING AT SAID PREDETERMINED FREQUENCY EQUAL TO -K, K HAVING A FIXED VALUE, SAID QUADRIPOLE ALSO INCLUDING TWO PAIRS OF COAXIAL HOLLOW RINGSHAPED INDUCTION POTS, EACH OF THE POTS HAVING TWO POLAR SURFACES, A SHAFT EXTENDING AND MOVABLE ALONG THE COMMON AXIS OF THE POTS AND CARRYING TWO MAGNETIC ARMATURES RESPECTIVELY ASSOCIATED WITH SAID POTS, SAID ARMATURES BEING MAGNETICALLY INSULATED FROM EACH OTHER AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |