Patent US3343070A successfully refreshed from Google Patents.
US3343070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic system
Assignee: Motorola Solutions Inc
•
Filing: 1964-02-24
•
Granted: 1967-09-19
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jerome P Frysztak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:12
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A CIRCUIT FOR PROVIDING FIELD CURRENT TO AN ALTERNATORREGULATOR SYSTEM INCLUDING AN ALTERNATOR-RECTIFIER UNIT HAVINV POSITIVE AND NEGATIVE TERMINALS WITH A DIODE CONNECTED BETWEEN THE POSITIVE TERMINAL AND AN OUTPUT TERMINAL, AND THE ALTERNATOR HAVING A FIELD WINDING CONNECTED BETWEEN THE NEGATIVE TERMINAL AND AN INPUT TERMINAL, AND WHEREIN A REGULATOR CONTROLS THE FLOW OF FIELD CURRENT FROM THE POSITIVE TERMINAL TO THE INPUT TERMINAL IN ACCORDANCE WITH THE VOLTAGE BETWEEN THE POSITIVE AND NEGATIVE TERMINALS, SAID CIRCUIT INCLUDING A TRANSISTOR SWITCH CIRCUIT PORTION FOR CONNECTING THE OUTPUT TERMINAL OF THE ALTERNATORRECTIFIER UNIT TO THE POSITIVE TERMINAL THEREOF TO THEREBY BRIDGE THE DIODE, SAID SWITCH CIRCUIT PORTION INCLUDING A TRANSISTOR HAVING ELECTRODES FOR SELECTIVELY COMPLETING THE CIRCUIT FROM THE POSITIVE TERMINAL OF THE ALTERNATOR TO THE OUTPUT TERMINAL, AND A BIASING CIRCUIT PORTION COUPLED TO SAID TRANSISTOR AND INCLUDING A SWITCH CONNECTED TO THE NEGATIVE TERMINAL OF THE ALTERNATOR-RECTIFIER UNIT TO BIAS SAID TRANSISTOR TO RENDER THE SAME CONDUCTING.
Claim 2
Dependent Claim
159 words
A CIRCUIT FOR PROVIDING FIELD CURRENT TO AN ALTERNATORREGULATOR SYSTEM INCLUDING AN ALTERNATOR-RECTIFIER UNIT HAVINV POSITIVE AND NEGATIVE TERMINALS WITH A DIODE CONNECTED BETWEEN THE POSITIVE TERMINAL AND AN OUTPUT TERMINAL, AND THE ALTERNATOR HAVING A FIELD WINDING CONNECTED BETWEEN THE NEGATIVE TERMINAL AND AN INPUT TERMINAL, AND WHEREIN A REGULATOR CONTROLS THE FLOW OF FIELD CURRENT FROM THE POSITIVE TERMINAL TO THE INPUT TERMINAL IN ACCORDANCE WITH THE VOLTAGE BETWEEN THE POSITIVE AND NEGATIVE TERMINALS, SAID CIRCUIT INCLUDING A TRANSISTOR SWITCH CIRCUIT PORTION FOR CONNECTING THE OUTPUT TERMINAL OF THE ALTERNATORRECTIFIER UNIT TO THE POSITIVE TERMINAL THEREOF TO THEREBY BRIDGE THE DIODE, SAID SWITCH CIRCUIT PORTION INCLUDING A TRANSISTOR HAVING ELECTRODES FOR SELECTIVELY COMPLETING THE CIRCUIT FROM THE POSITIVE TERMINAL OF THE ALTERNATOR TO THE OUTPUT TERMINAL, AND A BIASING CIRCUIT PORTION COUPLED TO SAID TRANSISTOR AND INCLUDING A SWITCH CONNECTED TO THE NEGATIVE TERMINAL OF THE ALTERNATOR-RECTIFIER UNIT TO BIAS SAID TRANSISTOR TO RENDER THE SAME CONDUCTING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |