Method of making voltage regulators
Abstract
Abstract A VOLTAGE REGULATOR FOR A BATTERY CHARGING SYSTEM ON A ROAD VEHICLE IS MANUFACTURED BY MOUNTING THE ACTIVE COMPONENTS OF THE REGULATOR ON A THICK FILM PRINTED CIRCUIT INCLUDING A SETTING RESISTOR EXPOSED ON ONE EDGE OF THE SUBSTRATE OF TEH PRINTED CIRCUIT. ANY REMAINING CONNECTIONS ARE THEN MADE, AND IF THE REGULASTOR IS SATISFACTORY THE RESISTOR EXPOSED ON THE EDGE OF THE SUBSTRATE IS ABRADED TO SET THE OSCILLATING VOLTAGE OF THE REGULATOR, THE REGULATOR THEN BEING MOUNTED ON A HEAT SINK AND ENCAPSULATED. AS AN ESSENTIAL FEATRE, THE REGULATOR IS TESTED BEFORE THE ABRADING OPERATION, SO THAT IF IT IS FAULTY THE THICK FILM CIRCUIT CAN BE USED AGAIN BY REMOVING THE ACTIVE COMPONENTS FROM IT.
Inventors
- 👤 Roger William Nolan
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |