Patent US3588663A successfully refreshed from Google Patents.
US3588663A
Expired / Lapsed
US
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Control for charging generator
Assignee: Mitsubishi Electric Corp
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Filing: 1968-12-24
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Granted: 1971-06-28
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Expires: 1988-12-24
Abstract
Abstract WITH A BATTERY NOT BEING CHARGED A SWITCHING TRANSISTOR TURNS ON TO FIRE AN INDICATION LAMP WHILE A CHARGING GENERATOR IS SEPARATELY EXCITED. WHEN A VOLTAGE ACROSS THE GENERATOR ADDITIONALLY SELFIEXCITED REACHED A PREDETERMINED MAGNITUDE A CONTROL TRANSISTOR CONDUCTS TO TURN OFF THE SWITCHING TRANSISTOR. THIS DEENERGIZES THE LAMP AND INTERRUPTS THE APPLICATION OF ALL EXCITATION TO THE GENERATOR. BOTH TRANSISTORS AND THE ASSOCIATED COMPONENTS ARE FORMED INTO AN INTEGRATED CIRCUIT.
Inventors
- 👤 Tsuyoshi Hirata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:22
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/08; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/163; H02J7/24; H02J7/2437; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |