Patent US3087066A successfully refreshed from Google Patents.
US3087066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit
Assignee: Daystrom Inc
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Filing: 1960-10-24
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Granted: 1963-04-23
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard G Keogh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:21
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A SELF-SATURATING MAGNETIC AMPLIFIER INCLUDING A REACTOR WITH A MAGNETICALLY SATURABLE CORE HAVING A POWER WINDING AND A FEEDBACK WINDING ON SAID CORE, UNIDIRECTIONAL CONDUCTING MEANS CONNECTED IN SERIES WITH SAID POWER WINDING FOR PASSING INTERMITTENT UNIDIRECTIONAL CURRENT THROUGH SAID POWER WINDING IN A PARTICULAR DIRECTION THEREBY TO SATURATE SAID CORE, MEANS HAVING LIGHT-RESPONSIVE CONDUCTIVITY CONNECTED IN SERIES WITH SAID POWER WINDING AND EFFECTIVELY IN SHUNT WITH SAID UNIDIRECTIONAL CONDUCTING MEANS FOR CREATING A VOLTAGE DROP ACROSS SAID POWER WINDING IN RESPONSE TO LIGHT, THE COMBINATION COMPRISING CAPACITANCE MEANS AND A SECOND UNIDIRECTIONAL CONDUCTING MEANS CONNECTED IN SERIES WITH EACH OTHER AND IN PARALLEL WITH SAID POWER WINDING, SAID FEEDBACK WINDING BEING CONNECTED IN PARALLEL WITH SAID CAPACITANCE MEANS CHANGES DIFFERENTIALLY WITH INCREASING OR DECREASING LIGHT AND SAID AMPLIFIER PROVIDES A HYSTERESIS TYPE RESPONSE TO LIGHT IMPINGING ON SAID LIGHT RESPONSIVE MEANS.
Claim 2
Dependent Claim
143 words
IN A SELF-SATURATING MAGNETIC AMPLIFIER INCLUDING A REACTOR WITH A MAGNETICALLY SATURABLE CORE HAVING A POWER WINDING AND A FEEDBACK WINDING ON SAID CORE, UNIDIRECTIONAL CONDUCTING MEANS CONNECTED IN SERIES WITH SAID POWER WINDING FOR PASSING INTERMITTENT UNIDIRECTIONAL CURRENT THROUGH SAID POWER WINDING IN A PARTICULAR DIRECTION THEREBY TO SATURATE SAID CORE, MEANS HAVING LIGHT-RESPONSIVE CONDUCTIVITY CONNECTED IN SERIES WITH SAID POWER WINDING AND EFFECTIVELY IN SHUNT WITH SAID UNIDIRECTIONAL CONDUCTING MEANS FOR CREATING A VOLTAGE DROP ACROSS SAID POWER WINDING IN RESPONSE TO LIGHT, THE COMBINATION COMPRISING CAPACITANCE MEANS AND A SECOND UNIDIRECTIONAL CONDUCTING MEANS CONNECTED IN SERIES WITH EACH OTHER AND IN PARALLEL WITH SAID POWER WINDING, SAID FEEDBACK WINDING BEING CONNECTED IN PARALLEL WITH SAID CAPACITANCE MEANS CHANGES DIFFERENTIALLY WITH INCREASING OR DECREASING LIGHT AND SAID AMPLIFIER PROVIDES A HYSTERESIS TYPE RESPONSE TO LIGHT IMPINGING ON SAID LIGHT RESPONSIVE MEANS.
References Cited (Backward Citations)
US2892092A
Cited
US2985766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |