US3305800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical transformer circuit
Assignee: Tektronix Inc
•
Filing: 1963-08-15
•
Granted: 1967-02-21
•
Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Willem B Velsink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
H; H01; H01F; H01F19/00; H01F19/04; H01F27/00; H01F27/28; H01F27/2823; H01F2027/2833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
AN ELECTRICAL TRANSFORMER CIRCUIT, COMPRISING: A MAIN TRANSFORMER CORE OF MAGNETIC MATERIAL; A PRIMARY WINDING PROVIDING AT LEAST ONE PRIMARY TURN FOR SAID MAIN CORE; A PLURALITY OF SECONDARY WINDINGS WOUND IN THE SAME DIRECTION ABOUT SAID MAIN CORE AND PROVIDING AT LEAST ONE SECONDARY TURN WITH FIRST AND SECOND ENDS FOR EACH SECONDARY WINDING, SAID SECONDARY WINDINGS BEING CONNECTED TOGETHER IN SERIES BY AT LEAST ONE SHORT CIRCUIT CONNECTION BETWEEN FIRST END OF ONE SECONDARY WINDING AND THE SECOND END OF ANOTHER SECONDARY WINDING AND HAVING THE SECOND END OF SAID ONE SECONDARY WINDING AND THE FIRST END OF THE OTHER SECONDARY WINDING CONNECTED AS OUTPUT LEADS TO A PAIR OF OUTPUT TERMINALS; AND A PLURALITY OF ISOLATION CORES OF MAGNETIC MATERIAL POSITIONED WITH A DIFFERENT ONE OF SAID ISOLATION CORES ASSOCIATED WITH THE OPPOSITE ENDS OF EACH OF SAID SECONDARY WINDINGS BETWEEN SAID SHORT CIRCUIT CONNECTIONS AND SAID MAIN CORE, TO DELAY SIGNAL REFLECTIONS FROM THE SHORT CIRCUIT CONNECTIONS BACK TO THE MAIN CORE AND TO ADD THE INDUCED VOLTAGES PRODUCED AT THE OPPOSITE ENDS OF SAID SECONDARY WINDINGS BY AN INPUT SIGNAL APPLIED TO SAID PRIMARY WINDING IN ORDER TO GENERATE AN OUTPUT VOLTAGE AT SAID OUTPUT TERMINALS WHICH IS THE SUM OF SAID INDUCED VOLTAGES.
Claim 2
Dependent Claim
209 words
AN ELECTRICAL TRANSFORMER CIRCUIT, COMPRISING: A MAIN TRANSFORMER CORE OF MAGNETIC MATERIAL; A PRIMARY WINDING PROVIDING AT LEAST ONE PRIMARY TURN FOR SAID MAIN CORE; A PLURALITY OF SECONDARY WINDINGS WOUND IN THE SAME DIRECTION ABOUT SAID MAIN CORE AND PROVIDING AT LEAST ONE SECONDARY TURN WITH FIRST AND SECOND ENDS FOR EACH SECONDARY WINDING, SAID SECONDARY WINDINGS BEING CONNECTED TOGETHER IN SERIES BY AT LEAST ONE SHORT CIRCUIT CONNECTION BETWEEN FIRST END OF ONE SECONDARY WINDING AND THE SECOND END OF ANOTHER SECONDARY WINDING AND HAVING THE SECOND END OF SAID ONE SECONDARY WINDING AND THE FIRST END OF THE OTHER SECONDARY WINDING CONNECTED AS OUTPUT LEADS TO A PAIR OF OUTPUT TERMINALS; AND A PLURALITY OF ISOLATION CORES OF MAGNETIC MATERIAL POSITIONED WITH A DIFFERENT ONE OF SAID ISOLATION CORES ASSOCIATED WITH THE OPPOSITE ENDS OF EACH OF SAID SECONDARY WINDINGS BETWEEN SAID SHORT CIRCUIT CONNECTIONS AND SAID MAIN CORE, TO DELAY SIGNAL REFLECTIONS FROM THE SHORT CIRCUIT CONNECTIONS BACK TO THE MAIN CORE AND TO ADD THE INDUCED VOLTAGES PRODUCED AT THE OPPOSITE ENDS OF SAID SECONDARY WINDINGS BY AN INPUT SIGNAL APPLIED TO SAID PRIMARY WINDING IN ORDER TO GENERATE AN OUTPUT VOLTAGE AT SAID OUTPUT TERMINALS WHICH IS THE SUM OF SAID INDUCED VOLTAGES.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |