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US3305800A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical transformer circuit

Assignee: Tektronix Inc
•
Filing: 1963-08-15
•
Granted: 1967-02-21
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Expires: 1983-08-15
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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)

US2596149A Cited
US3037185A Cited
US3051918A Cited
US3013259A Cited
US3036293A Cited

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

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