US3219808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical multiplier
Assignee: HP Inc
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Filing: 1962-09-07
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Granted: 1965-11-23
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Bock W Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:06
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
415 words
AN ELECTRICAL MULTIPLIER COMPRISING A SWITCHING TRANSFORMER HAVING A FIRST CORE, A PAIR OF PRIMARY SWITCHING WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID FIRST CORE, A VOLTAGE TRANSFORMER HAVING A SECOND CORE, A PRIMARY VOLTAGE WINDING ON SAID SECOND CORE, A PAIR OF SECONDARY VOLTAGE WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID SECOND CORE, A POWER SUPPLY HAVING POSITIVE AND NEGATIVE TERMINALS, A LEAD CONNECTING THE ADJACENT ENDS OF SAID SECONDARY VOLTAGE WINDINGS TO SAID NEGATIVE TERMINAL, A PAIR OF CONDUCTORS JOINING EACH OF THE OPPOSITE ENDS OF SAID SECONDARY VOLTAGE WINDINGS TO THE RESPECTIVE OPPOSITE ENDS OF SAID PRIMARY SWITCHING WINDING, A PAIR OF PRIMARY TRANSISTOR, MEANS FOR CONNECTING THE BASES OF SAID PRIMARY TRANSISTORS TO SAID NEGATIVE TERMINAL, MEANS FOR SEPARATELY CONNECTING THE ADJACENT ENDS OF SAIDD PRIMARY SWITCHING WINDINGS THROUGH THE COLLECTOR AND EMITTER OF INDIVIDUAL ONES OF SID PRIMARY TRANSISTORS TO SAID POSITIVE TERMINAL, A PAIR OF SECONDARY SWITCHING WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID FIRST CORE, A CURRENT TRANSFORMER HAVING A THIRD CORE, A PRIMARY CURRENT WINDING ON SAID THIRD CORE, A SECONDARY CURRENT WINDING ON SAID THIRD CORE AND HAVING A FIRST TERMINAL AND A SECOND TERMINAL, A PAIR OF SECONDARY TRANSISTORS, MEANS FOR CONNECTING ONE END OF ONE OF SAID SECONDARY SWITCHING WINDINGS TO THE COLLECTORS OF SAID PAIR OF SECONDARY TRANSISTORS, MEANS FOR CONNECTING THE OTHER END OF SAID ONE OF SAID SECONDARY SWITCHING WINDINGS TO THE BASES OF SAID PAIR OF SECONDARY TRANSISTORS, A PAIR OF TERTIARY TRANSISTORS, MEANS FOR CONNECTING ONE END OF THE OTHER OF SAID SECONDARY SWITCHING WINDINGS TO THE COLLECTORS OF SAID TERTIARY TRANSISTORS, MEAN FOR CONNECTING THE OTHER END OF THE OTHER OF SAID SECONDARY SWITCHING WINDINGS TO THE BASE OF SAID TERTIARY TRANSISTORS, MEANS FOR CONNECTING SAID FIRST TERMINAL TO THE EMITTER OF ONE OF SAID SECONDARY TRANSISTORS AND TO THE EMITTER OF ONE OF SAID TERTIARY TRANSISTORS, A PAIR OF OUTPUT TERMINALS, A CONDUCTOR JOINING ONE OF SAID OUTPUT TERMINALS TO THE EMITTER OF THE OTHER SECONDARY TRANSISTOR, A LEAD JOINING THE OTHER OF SAID OUTPUT TERMINALS TO THE EMITTER OF THE OTHER TERTIARY TRANSISTOR, A FIRST RESISTOR, A SECOND RESISTOR MATCHING SAID FIRST RESISTOR, MEANS CONNECTING SAID FIRST RESISTOR IN A CONDUCTING PATH BETWEEN SAID EMITTER OF SAID OTHER SECONDARY TRANSISTOR AND SAID SECOND TERMINAL, MEANS CONNECTING SAID SECOND RESISTOR IN A COMDUCTING PATH BETWEEN SAID EMITTER OF SAID OTHER TERTIARY TRANSISTOR AND SAID SECOND TERMINAL, AND AN OUTPUT METER CONNECT ACROSS SAID FIRST AND SECOND RESISTOR.
Claim 2
Dependent Claim
415 words
AN ELECTRICAL MULTIPLIER COMPRISING A SWITCHING TRANSFORMER HAVING A FIRST CORE, A PAIR OF PRIMARY SWITCHING WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID FIRST CORE, A VOLTAGE TRANSFORMER HAVING A SECOND CORE, A PRIMARY VOLTAGE WINDING ON SAID SECOND CORE, A PAIR OF SECONDARY VOLTAGE WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID SECOND CORE, A POWER SUPPLY HAVING POSITIVE AND NEGATIVE TERMINALS, A LEAD CONNECTING THE ADJACENT ENDS OF SAID SECONDARY VOLTAGE WINDINGS TO SAID NEGATIVE TERMINAL, A PAIR OF CONDUCTORS JOINING EACH OF THE OPPOSITE ENDS OF SAID SECONDARY VOLTAGE WINDINGS TO THE RESPECTIVE OPPOSITE ENDS OF SAID PRIMARY SWITCHING WINDING, A PAIR OF PRIMARY TRANSISTOR, MEANS FOR CONNECTING THE BASES OF SAID PRIMARY TRANSISTORS TO SAID NEGATIVE TERMINAL, MEANS FOR SEPARATELY CONNECTING THE ADJACENT ENDS OF SAIDD PRIMARY SWITCHING WINDINGS THROUGH THE COLLECTOR AND EMITTER OF INDIVIDUAL ONES OF SID PRIMARY TRANSISTORS TO SAID POSITIVE TERMINAL, A PAIR OF SECONDARY SWITCHING WINDINGS DISPOSED IN MIRROR SYMMETRY ON SAID FIRST CORE, A CURRENT TRANSFORMER HAVING A THIRD CORE, A PRIMARY CURRENT WINDING ON SAID THIRD CORE, A SECONDARY CURRENT WINDING ON SAID THIRD CORE AND HAVING A FIRST TERMINAL AND A SECOND TERMINAL, A PAIR OF SECONDARY TRANSISTORS, MEANS FOR CONNECTING ONE END OF ONE OF SAID SECONDARY SWITCHING WINDINGS TO THE COLLECTORS OF SAID PAIR OF SECONDARY TRANSISTORS, MEANS FOR CONNECTING THE OTHER END OF SAID ONE OF SAID SECONDARY SWITCHING WINDINGS TO THE BASES OF SAID PAIR OF SECONDARY TRANSISTORS, A PAIR OF TERTIARY TRANSISTORS, MEANS FOR CONNECTING ONE END OF THE OTHER OF SAID SECONDARY SWITCHING WINDINGS TO THE COLLECTORS OF SAID TERTIARY TRANSISTORS, MEAN FOR CONNECTING THE OTHER END OF THE OTHER OF SAID SECONDARY SWITCHING WINDINGS TO THE BASE OF SAID TERTIARY TRANSISTORS, MEANS FOR CONNECTING SAID FIRST TERMINAL TO THE EMITTER OF ONE OF SAID SECONDARY TRANSISTORS AND TO THE EMITTER OF ONE OF SAID TERTIARY TRANSISTORS, A PAIR OF OUTPUT TERMINALS, A CONDUCTOR JOINING ONE OF SAID OUTPUT TERMINALS TO THE EMITTER OF THE OTHER SECONDARY TRANSISTOR, A LEAD JOINING THE OTHER OF SAID OUTPUT TERMINALS TO THE EMITTER OF THE OTHER TERTIARY TRANSISTOR, A FIRST RESISTOR, A SECOND RESISTOR MATCHING SAID FIRST RESISTOR, MEANS CONNECTING SAID FIRST RESISTOR IN A CONDUCTING PATH BETWEEN SAID EMITTER OF SAID OTHER SECONDARY TRANSISTOR AND SAID SECOND TERMINAL, MEANS CONNECTING SAID SECOND RESISTOR IN A COMDUCTING PATH BETWEEN SAID EMITTER OF SAID OTHER TERTIARY TRANSISTOR AND SAID SECOND TERMINAL, AND AN OUTPUT METER CONNECT ACROSS SAID FIRST AND SECOND RESISTOR.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |