US3295052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D. c. regulation circuit
Assignee: RTX Corp
•
Filing: 1963-04-30
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Granted: 1966-12-27
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Henry E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:03
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/613; G05F1/56; G05F1/563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
APPARATUS FOR REGULATING THE CURRENT DELIVERED FROM A CURRENT SOURCE TO A LOAD COMPRISING: A FIRST VARIABLE IMPEDANCE MEANS CONNECTED IN SERIES WITH SAID SOURCE AND LOAD, A SECOND VARIABLE IMPEDANCE MEANS CONNECTED IN PARALLEL WITH SAID LOAD, MEANS PROVIDING A SIGNAL PROPORTIONAL TO LOAD CURRENT, MEANS PROVIDING A REFERENCE SIGNAL COMMENSURATE WITH DESIRED LOAD CURRENT, A DIFFERENTIAL AMPLIFIER RESPONSIVE TO SAID REFERENCE AND PROPORTIONAL SIGNALS FOR GENERATING FIRST AND SECOND OPPOSITE POLARITY CONTROL SIGNALS INDICATIVE OF THE DIFFERENCE BETWEEN SAID SIGNALS COMMENSURATE WITH ACUTAL AND DESIRED LOAD CURRENT, AND MEANS FOR RESPECTIVELY APPLYING SAID FIRST AND SECOND CONTROL SIGNALS TO SAID FIRST AND SECOND VARIABLE IMPEDANCE MEANS TO THEREBY CONTROL THE LOAD CURRENT.
Claim 2
Dependent Claim
114 words
APPARATUS FOR REGULATING THE CURRENT DELIVERED FROM A CURRENT SOURCE TO A LOAD COMPRISING: A FIRST VARIABLE IMPEDANCE MEANS CONNECTED IN SERIES WITH SAID SOURCE AND LOAD, A SECOND VARIABLE IMPEDANCE MEANS CONNECTED IN PARALLEL WITH SAID LOAD, MEANS PROVIDING A SIGNAL PROPORTIONAL TO LOAD CURRENT, MEANS PROVIDING A REFERENCE SIGNAL COMMENSURATE WITH DESIRED LOAD CURRENT, A DIFFERENTIAL AMPLIFIER RESPONSIVE TO SAID REFERENCE AND PROPORTIONAL SIGNALS FOR GENERATING FIRST AND SECOND OPPOSITE POLARITY CONTROL SIGNALS INDICATIVE OF THE DIFFERENCE BETWEEN SAID SIGNALS COMMENSURATE WITH ACUTAL AND DESIRED LOAD CURRENT, AND MEANS FOR RESPECTIVELY APPLYING SAID FIRST AND SECOND CONTROL SIGNALS TO SAID FIRST AND SECOND VARIABLE IMPEDANCE MEANS TO THEREBY CONTROL THE LOAD CURRENT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |