Warning lamp responsive to alternator output frequency for battery charging system
Abstract
Abstract A VOLTAGE REGULATOR FOR A STORAGE BATTERY CHARGING MEANS HAVING A THREE-PHASE A.C. GENERATOR AND A THREE PHASE FULL-WAVE RECTIFYING CIRCUIT CONNECTED TO THE OUTPUT END OF THE GENERATOR, IN WHICH RESISTORS ARE CONNECTED TO THE RESPECTIVE HALF-WAVE RECTIFYING ENDS OF THE THREE-PHASE FULL-WAVE RECTIFYING CIRCUIT, A FIELD CURRENT CONTROL TRANSISTOR CIRCUIT FOR THE THREE-PHASE A.C. GENERATOR IS CONSTRUCTED SO AS TO BE POWERED FROM THE RESISTORS, A LOWPASS FILTER CIRCUIT IS CONNECTED TO THE OUTPUT END OF THE TRANSISTOR CIRCUIT TO DETECT THE OSCILLATION FREQUENCY OF THE TRANSISTOR CIRCUIT, A TRANSISTOR CIRCUIT FOR FLASHING A CHARGE INDICATION LAMP ACTIVATED BY THE OUTPUT OF SAID FILTER CIRCUIT IS CONNECTED IN PARALLEL WITH FIELD CURRENT CONTROL TRANSISTOR CIRCUIT IN ASSOCIATION WITH THE FIELD WINDING OF THE THREE-PHASE A.C. GENERATOR, AND A CHARGE INDICATION LAMP CIRCUIT IS CONNECTED BETWEEN SAID TRANSISTOR CIRCUIT FOR FLASHING A CHARGE INDICATION LAMP AND THE BATTERY.
Inventors
- 👤 Yoshichi Kawashima
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 |