US3356855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel operating voltage stabilized power supply arrangement
Assignee: NEC Corp
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Filing: 1963-10-18
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Granted: 1967-12-05
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Suzuki Akira
- 👤 Muto Norio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:20
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A REGULATED POWER SUPPLY SYSTEM COMPRISING A PLURALITY OF SEPARATE POWER SUPPLY UNITS EACH HAVING A POWER SOURCE AND A SERIES-CONNECTED REGULATING TRANSISTOR, A SHUNT-CONNECTED VOLTAGE DIVIDER SAND A CONTROL TRANSISTOR CONNECTED TO SAID VOLTAGE DIVIDER AND SAID REGULATING TRANSISTOR TO PROVIDE VOLTAGE REGULATION OF THE RESPECTIVE UNIT; AND CONNECTIONS FOR CONNECTING SAID POWER SUPPLY UNITS IN PARALLEL TO A COMMON LOAD, AN ARRANGEMENT FOR ASSURING A PROPORTIONAL DIVISION OF SAID LOAD AMONG SAID UNITS, COMPRISING A VOLTAGE DROPPING RESISTOR IN SERIES IN WITH SAID REGULATING TRANSISTOR IN EACH UNIT, A TRANSISTOR HAVING CONTROL ELECTRODES CONNECTED ACROSS EACH SAID REGULATING RESISTOR, AND AN OUTPUT ELECTRODE CONNECTED TO CONTROL THE IMPEDANCE OF A REGULATING TRANSISTOR IN A DIFFERENT ONE OF SAID UNITS.
Claim 2
Dependent Claim
122 words
IN A REGULATED POWER SUPPLY SYSTEM COMPRISING A PLURALITY OF SEPARATE POWER SUPPLY UNITS EACH HAVING A POWER SOURCE AND A SERIES-CONNECTED REGULATING TRANSISTOR, A SHUNT-CONNECTED VOLTAGE DIVIDER SAND A CONTROL TRANSISTOR CONNECTED TO SAID VOLTAGE DIVIDER AND SAID REGULATING TRANSISTOR TO PROVIDE VOLTAGE REGULATION OF THE RESPECTIVE UNIT; AND CONNECTIONS FOR CONNECTING SAID POWER SUPPLY UNITS IN PARALLEL TO A COMMON LOAD, AN ARRANGEMENT FOR ASSURING A PROPORTIONAL DIVISION OF SAID LOAD AMONG SAID UNITS, COMPRISING A VOLTAGE DROPPING RESISTOR IN SERIES IN WITH SAID REGULATING TRANSISTOR IN EACH UNIT, A TRANSISTOR HAVING CONTROL ELECTRODES CONNECTED ACROSS EACH SAID REGULATING RESISTOR, AND AN OUTPUT ELECTRODE CONNECTED TO CONTROL THE IMPEDANCE OF A REGULATING TRANSISTOR IN A DIFFERENT ONE OF SAID UNITS.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |