US3335358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated power supply with current overload protection using magnetic field responsive error signal producing means
Assignee: Amtek Inc
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Filing: 1964-04-06
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Granted: 1967-08-08
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robert T Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/565; G05F1/569; G05F1/573
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
AN ELECTRICAL POWER SUPPLY FOR USE IN CONJUNCTION WITH A SOURCE OF DIRECT CURRENT ENERGY, COMPRISING: A REGULATING ELEMENT FOR CONTROLLING THE ELECTRICAL ENERGY PROVIDED BY SAID POWER SUPPLY; A FIRST AMPLIFIER MEANS FOR PROVIDING A FIRST ELECTRICAL CONTROL SIGNAL THAT IS RELATED TO THE OUTPUT OF SAID ELECTRICAL POWER SUPPLY; A HALL-EFFECT DEVICE FOR PROVIDING A SECOND CONTROL SIGNAL; MAGNETIC MEANS FOR PROVIDING A MAGNETIC FIELD TO SAID DEVICE REPRESENTATIVE OF THE CURRENT PASSING THROUGH SAID REGULATING ELEMENTS; VOLTAGE MEANS FOR APPLYING A VOLTAGE SIGNAL TO SAID DEVICE REPRESENTATIVE OF THE VOLTAGE ACROSS SAID REGULATING ELEMENT, WHEREBY SAID DEVICE PROVIDES AN OUTPUT REPRESENTATIVE OF THE ENERGY DISSIPATED IN SAID REGULATING ELEMENT; A SECOND AMPLIFIER MEANS FOR PROVIDING A SECOND CONTROL SIGNAL FROM SAID OUTPUT; AND
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |