US3193755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulator
Assignee: General Electric Co
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Filing: 1962-05-25
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Granted: 1965-07-06
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 William B Zelina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:30
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A VOLTAGE REGULATING SYSTEM OF THE TYPE WHEREIN A FIRST TRANSISTOR DEVICE HAVING AN EMITTER, A BASE, AND A COLLECTOR ELECTRODE, IS SWITCHED BETWEEN CONDUCTIVE AND NONCODUCTIVE STATES IN RESPONSE TO THE OPERATING CONDITION OF A VOLTAGE REFERENCE DEVICE TO SWITCH A SECOND TRANSISTOR DEVICE HAVING AN EMITTER, A BASE AND A COLLECTOR ELECTRODE, BETWEEN NONCONDUCTIVE AND CONDUCTIVE STATES FOR CONTROLLING THE FIELD EXCITATION OF A GENERATOR TO REGULATE THE OUTPUT VOLTAGE THEREOF WITHIN PREDETERMINED UPPER AND LOWER LIMITS, THE COMBINATION WITH SAID SYSTEM OF A RESISTANCE-CAPACITANCE TIMING NETWORK INTERCONNECTING THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTOR DEVICES AND BEING OPERATIVE TO MAINTAIN SAID FIRST TRANSISTOR DEVICE IN ITS NONCONDUCTIVE STATE UNTIL THE CAPACITANCE HAS CHARGED TO A PREDETERMINED LEVEL AND CONTROLLING THE CONDUCTING TIME OF SAID SECOND TRANSISTOR DEVICE.
Claim 2
Dependent Claim
133 words
IN A VOLTAGE REGULATING SYSTEM OF THE TYPE WHEREIN A FIRST TRANSISTOR DEVICE HAVING AN EMITTER, A BASE, AND A COLLECTOR ELECTRODE, IS SWITCHED BETWEEN CONDUCTIVE AND NONCODUCTIVE STATES IN RESPONSE TO THE OPERATING CONDITION OF A VOLTAGE REFERENCE DEVICE TO SWITCH A SECOND TRANSISTOR DEVICE HAVING AN EMITTER, A BASE AND A COLLECTOR ELECTRODE, BETWEEN NONCONDUCTIVE AND CONDUCTIVE STATES FOR CONTROLLING THE FIELD EXCITATION OF A GENERATOR TO REGULATE THE OUTPUT VOLTAGE THEREOF WITHIN PREDETERMINED UPPER AND LOWER LIMITS, THE COMBINATION WITH SAID SYSTEM OF A RESISTANCE-CAPACITANCE TIMING NETWORK INTERCONNECTING THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTOR DEVICES AND BEING OPERATIVE TO MAINTAIN SAID FIRST TRANSISTOR DEVICE IN ITS NONCONDUCTIVE STATE UNTIL THE CAPACITANCE HAS CHARGED TO A PREDETERMINED LEVEL AND CONTROLLING THE CONDUCTING TIME OF SAID SECOND TRANSISTOR DEVICE.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |