US3114873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor power supply
Assignee: NJE CORP
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Filing: 1961-06-12
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Granted: 1963-12-17
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Roger R Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:41
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
245 words
A TRANSISTORIZED POWER SUPPLY HAVING AN INPUT TO WHICH A SOURCE OF LINE VOLTAGE MAY BE CONNECTED AND A POSITIVE AND NEGATIVE OUTPUT ACROSS WHICH A LOAD MAY BE CONNECTED, A FULL WAVE UNREGULATED POWER SUPPLY CONNECTED TO SAID INPUT AND HAVING A POSITIVE OUTPUT CONNECTED TO THE POSITIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY AND A NEGATIVE OUTPUT CONNECTED TO THE NEGATIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A REGULATING TRANSISTOR CONNECTED IN SERIES BETWEEN THE NEGATIVE OUTPUT OF SAID UNREGULATED POWER SUPPLY AND THE NEGATIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A VOLTAGE DIVIDER CONNECTED ACROSS SAID TRANSISTORIZED POWER SUPPLY OUTPUT, MEANS CONTROLLED BY VARIATIONS IN THE VOLTAGE ACROSS SAID DIVIDER TO CONTROL THE VOLTAGE ACROSS SAID SERIES REGULATING TRANSISTOR CORRESPONDINGLY TO CONTROL THE OUTPUT VOLTAGE, SAID TRANSISTORIZED POWER SUPPLY HAVING A GIVEN OUTPUT IMPEDANCE, MEANS TO ADD IMPEDANCE IN SERIES WITH SAID GIVEN OUTPUT IMPEDANCE, WHEREBY WITH INCREASE IN CURRENT DRAWN BY THE LOAD A VOLTAGE RELATED TO THE VALUE OF THE ADDED IMPEDANCE WILL BE APPLIED IN SERIES WITH THE VOLTAGE ACROSS SAID DIVIDER, THEREBY VARYING THE OUTPUT VOLTAGE OF THE POWER SUPPLY WITH VARIATIONS IN THE OUTPUT LOAD BY AN AMOUNT GREATER THAN THE NORMAL REGULATED OUTPUT WHEN ONLY THE NORMAL OUTPUT IMPEDANCE OF THE POWER SUPPLY IS PRESENT, SAID MEANS COMPRISING A RESISTOR CONNECTED IN SERIES BETWEEN THE POSITIVE OUTPUT OF SAID UNREGULATED POWER SUPPLY AND THE POSITIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A SWITCH HAVING A MOVABLE
Claim 2
Dependent Claim
245 words
A TRANSISTORIZED POWER SUPPLY HAVING AN INPUT TO WHICH A SOURCE OF LINE VOLTAGE MAY BE CONNECTED AND A POSITIVE AND NEGATIVE OUTPUT ACROSS WHICH A LOAD MAY BE CONNECTED, A FULL WAVE UNREGULATED POWER SUPPLY CONNECTED TO SAID INPUT AND HAVING A POSITIVE OUTPUT CONNECTED TO THE POSITIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY AND A NEGATIVE OUTPUT CONNECTED TO THE NEGATIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A REGULATING TRANSISTOR CONNECTED IN SERIES BETWEEN THE NEGATIVE OUTPUT OF SAID UNREGULATED POWER SUPPLY AND THE NEGATIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A VOLTAGE DIVIDER CONNECTED ACROSS SAID TRANSISTORIZED POWER SUPPLY OUTPUT, MEANS CONTROLLED BY VARIATIONS IN THE VOLTAGE ACROSS SAID DIVIDER TO CONTROL THE VOLTAGE ACROSS SAID SERIES REGULATING TRANSISTOR CORRESPONDINGLY TO CONTROL THE OUTPUT VOLTAGE, SAID TRANSISTORIZED POWER SUPPLY HAVING A GIVEN OUTPUT IMPEDANCE, MEANS TO ADD IMPEDANCE IN SERIES WITH SAID GIVEN OUTPUT IMPEDANCE, WHEREBY WITH INCREASE IN CURRENT DRAWN BY THE LOAD A VOLTAGE RELATED TO THE VALUE OF THE ADDED IMPEDANCE WILL BE APPLIED IN SERIES WITH THE VOLTAGE ACROSS SAID DIVIDER, THEREBY VARYING THE OUTPUT VOLTAGE OF THE POWER SUPPLY WITH VARIATIONS IN THE OUTPUT LOAD BY AN AMOUNT GREATER THAN THE NORMAL REGULATED OUTPUT WHEN ONLY THE NORMAL OUTPUT IMPEDANCE OF THE POWER SUPPLY IS PRESENT, SAID MEANS COMPRISING A RESISTOR CONNECTED IN SERIES BETWEEN THE POSITIVE OUTPUT OF SAID UNREGULATED POWER SUPPLY AND THE POSITIVE OUTPUT OF SAID TRANSISTORIZED POWER SUPPLY, A SWITCH HAVING A MOVABLE
References Cited (Backward Citations)
US2903640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |