US3293533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier control apparatus
Assignee: Magnetics Inc
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Filing: 1962-07-05
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Granted: 1966-12-20
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Paul W Covert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
STATIC RELAY APPARATUS COMPRISING MAGNETIC AMPLIFIER MEANS INCLUDING SATURABLE CORE MEANS, LOAD WINDING MEANS, AND RECTIFIER MEANS, A.C. VOLTAGE SUPPLY MEANS FOR THE MAGNETIC AMPLIFIER MEANS SUFFICIENT TO OVERDRIVE THE MAGNETIC AMPLIFIER MEANS IN THE RANGE OF 8 TO 15 TIMES ITS NORMAL VOLTAGE REGULATING CAPACITY, RESISTOR MEANS CONNECTED IN A SERIES CIRCUIT WITH THE LOAD WINDING MEANS AND RECTIFIER MEANS, THE SERIES CIRCUIT BEING CONNECTED ACROSS THE A.C. VOLTAGE SUPPLY MEANS, CONTROL WINDING MEANS FOR THE MAGNETIC AMPLIFIER, BIAS WINDING MEANS FOR THE MAGNETIC AMPLIFIER, CONTROLLABLE UNIDIRECTIONAL CONDUCTING MEANS INCLUDING ANODE TERMINAL MEANS, CATHODE TERMINAL MEANS, AND GATING TERMINAL MEANS, CIRCUIT MEANS FOR CONNECTING THE CATHODE TERMINAL MEANS AND THE GATING TERMINAL MEANS OF THE UNIDIRECTIONAL CONDUCTING DEVICE ACROSS THE LOAD WINDING MEANS OF THE MAGNETIC AMPLIFIER MEANS SUCH THAT A FIRING SIGNAL IS DELIVERED TO THE UNIDIRECTIONAL CONDUCTING MEANS PRIOR TO SATURATION OF THE SATURABLE CORE MEANS OF THE MAGNETIC AMPLIFIER MEANS, AND ZENER DIODE MEANS CONNECTED TO THE GATING TERMINAL MEANS FOR BLOCKING BIAS SIGNAL VOLTAGE.
Claim 2
Dependent Claim
169 words
STATIC RELAY APPARATUS COMPRISING MAGNETIC AMPLIFIER MEANS INCLUDING SATURABLE CORE MEANS, LOAD WINDING MEANS, AND RECTIFIER MEANS, A.C. VOLTAGE SUPPLY MEANS FOR THE MAGNETIC AMPLIFIER MEANS SUFFICIENT TO OVERDRIVE THE MAGNETIC AMPLIFIER MEANS IN THE RANGE OF 8 TO 15 TIMES ITS NORMAL VOLTAGE REGULATING CAPACITY, RESISTOR MEANS CONNECTED IN A SERIES CIRCUIT WITH THE LOAD WINDING MEANS AND RECTIFIER MEANS, THE SERIES CIRCUIT BEING CONNECTED ACROSS THE A.C. VOLTAGE SUPPLY MEANS, CONTROL WINDING MEANS FOR THE MAGNETIC AMPLIFIER, BIAS WINDING MEANS FOR THE MAGNETIC AMPLIFIER, CONTROLLABLE UNIDIRECTIONAL CONDUCTING MEANS INCLUDING ANODE TERMINAL MEANS, CATHODE TERMINAL MEANS, AND GATING TERMINAL MEANS, CIRCUIT MEANS FOR CONNECTING THE CATHODE TERMINAL MEANS AND THE GATING TERMINAL MEANS OF THE UNIDIRECTIONAL CONDUCTING DEVICE ACROSS THE LOAD WINDING MEANS OF THE MAGNETIC AMPLIFIER MEANS SUCH THAT A FIRING SIGNAL IS DELIVERED TO THE UNIDIRECTIONAL CONDUCTING MEANS PRIOR TO SATURATION OF THE SATURABLE CORE MEANS OF THE MAGNETIC AMPLIFIER MEANS, AND ZENER DIODE MEANS CONNECTED TO THE GATING TERMINAL MEANS FOR BLOCKING BIAS SIGNAL VOLTAGE.
References Cited (Backward Citations)
US2998547A
Cited
US3079542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |