Rectifier utilizing plural channels for eliminating ripple
Abstract
Abstract D R A W I N G AN OPERATIONAL RECITIFER OR CONVERTER INCLUDING A SERIES RC CIRCUIT TO CONDUCT AN AC SIGNAL TO A SUMMING JUNCTION AND A SECOND CIRCUIT PARALLEL TO THE SERIES RC CIRCUIT FOR DEVELOPING A DC COMPONENT AND AN INVERTED AC COMPONENT TO CANCEL THE AC CONDUCTED BY THE SERIES CIRCUIT. THE SECOND CIRCUIT INCLUDES AN OPERATIONAL AMPLIFIER HAVING TWO IDENTICAL DIODE-RESISTANCE FEEDBACK CIRCUITS. THE DC COMPONENT AND ONE HALF OF THE AC COMPONENT IS TAKEN FROM ONE FEEDBACK CIRCUIT THROUGH A RESISTOR, AND THE OTHER HALF OF THE AC COMPONENT IS COUPLED FROM THE OTHER FEEDBACK CIRCUIT THROUGH A CAPACITOR, TO THE OUTPUT TERMINAL. A SECOND EMBODIMENT SHOWS SUPPRESSION AND COMPENSATION CIRCUITS TO REFINE CIRCUIT OPERATION.
Inventors
- 👤 John Nagy Jr
Bibliographic Details
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |