US3273049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulator
Assignee: Motorola Solutions Inc
•
Filing: 1963-02-14
•
Granted: 1966-09-13
•
Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Charles L Shano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:52
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/26; H02P9/30; H02P9/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A VOLTAGE REGULATOR FOR A VEHICULAR ELECTRICAL SYSTEM HAVING A ELECTROMECHANICAL SOURCE OF DIRECT CURRENT WITH A FIELD WINDING THEREIN, SAID SOURCE OF DIRECT CURRENT BEING CONNECTED TO A REFERENCE POTENTIAL AND PROVIDING AN OUTPUT VOLTAGE WITH RESPECT THERETO, SAID REGULATOR INCLUDING IN COMBINATION, MEANS FOR CONNECTING ONE END OF THE FOLD WINDING TO THE SOURCE OF DIRECT CURRENT, A FIRST TRANSISTOR HAVING AN EMITTER ELECTRODE CONNECTED TO THE OTHER END OF THE FIELD WINDING A COLLECTOR ELECTRODE CONNECTED TO THE REFERENCE POTENTIAL TO COMPLETE AN ENERGIZING CIRCUIT FOR THE FIELD WINDING, AN EMITTER LOADED SECOND TRANSISTOR COUPLED TO SAID FIRST TRANSISTOR TO CUT OFF SAME WHEN SAID SECOND TRANSISTOR IS CUT OFF, AND A THIRD TRANSISTOR COUPLED TO SAID SECOND TRANSISTOR AND CONDUCTIVE TO PROVIDE CUT OFF BIAS THERETO, SAID THIRD TRANSISTOR HAVING BASE,
Claim 2
Dependent Claim
135 words
A VOLTAGE REGULATOR FOR A VEHICULAR ELECTRICAL SYSTEM HAVING A ELECTROMECHANICAL SOURCE OF DIRECT CURRENT WITH A FIELD WINDING THEREIN, SAID SOURCE OF DIRECT CURRENT BEING CONNECTED TO A REFERENCE POTENTIAL AND PROVIDING AN OUTPUT VOLTAGE WITH RESPECT THERETO, SAID REGULATOR INCLUDING IN COMBINATION, MEANS FOR CONNECTING ONE END OF THE FOLD WINDING TO THE SOURCE OF DIRECT CURRENT, A FIRST TRANSISTOR HAVING AN EMITTER ELECTRODE CONNECTED TO THE OTHER END OF THE FIELD WINDING A COLLECTOR ELECTRODE CONNECTED TO THE REFERENCE POTENTIAL TO COMPLETE AN ENERGIZING CIRCUIT FOR THE FIELD WINDING, AN EMITTER LOADED SECOND TRANSISTOR COUPLED TO SAID FIRST TRANSISTOR TO CUT OFF SAME WHEN SAID SECOND TRANSISTOR IS CUT OFF, AND A THIRD TRANSISTOR COUPLED TO SAID SECOND TRANSISTOR AND CONDUCTIVE TO PROVIDE CUT OFF BIAS THERETO, SAID THIRD TRANSISTOR HAVING BASE,
References Cited (Backward Citations)
US2841757A
Cited
US3098964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |