Patent JPS63281618A successfully refreshed from Google Patents.
Patent EP0432692A1 successfully refreshed from Google Patents.
US3095510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching circuit for voltage magnitude greater than the rated voltage of one transistor
Assignee: General Electric Co
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Filing: 1960-06-22
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Granted: 1963-06-25
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:48
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A SWITCHING CIRCUIT FOR APPLYING A VOLTAGE SOURCE OF MAGNITUDE E TO A LOAD IN RESPONSE TO A CONTROL SIGNAL COMPRISING A MASTER TRANSISTOR HAVING AN EMITTER, A BASE, AND A COLLECTOR, MEANS COUPLED TO SAID MASTER TRANSISTOR FOR NORMALLY BIASING SAID MASTER TRANSISTOR IN A CUT-OFF CONDITION, MEANS COUPLED TO SAID MASTER TRANSISTOR TO RENDER SAID MASTER TRANSISTOR CONDUCTIVE IN RESPONSE TO SAID CONTROL SIGNAL, N SLAVE TRANSISTORS EACH HAVING AN EMITTER, A BASE, AND A COLLECTOR, WHERE N IS ANY INTEGER, MEANS COUPLING SAID MASTER TRANSISTOR, SAID SLAVE TRANSISTORS, AND SAID LOAD IN A SERIES CIRCUIT IN THAT ORDER BETWEEN FIRST AND SECOND POINTS, MEANS COUPLING SAID FIRST AND SECOND POINTS OF SAID SERIES CIRCUIT ACROSS SAID SOURCE OF VOLTAGE, N VOLTAGE DIVIDER CIRCUITS COUPLED BETWEEN SAID FIRST AND SECOND POINTS, AND FIRST MEANS COUPLING SAID EMITTER OF EACH OF SAID SLAVE TRANSISTORS TO A RESPECTIVE ONE OF SAID VOLTAGE DIVIDER CIRCUITS AT A POINT THEREON THAT HAS A POTENTIAL WITH RESPECT TO SAID FIRST POINT WHICH IS SUBSTANTIALLY EQUAL TO
Claim 2
Dependent Claim
173 words
A SWITCHING CIRCUIT FOR APPLYING A VOLTAGE SOURCE OF MAGNITUDE E TO A LOAD IN RESPONSE TO A CONTROL SIGNAL COMPRISING A MASTER TRANSISTOR HAVING AN EMITTER, A BASE, AND A COLLECTOR, MEANS COUPLED TO SAID MASTER TRANSISTOR FOR NORMALLY BIASING SAID MASTER TRANSISTOR IN A CUT-OFF CONDITION, MEANS COUPLED TO SAID MASTER TRANSISTOR TO RENDER SAID MASTER TRANSISTOR CONDUCTIVE IN RESPONSE TO SAID CONTROL SIGNAL, N SLAVE TRANSISTORS EACH HAVING AN EMITTER, A BASE, AND A COLLECTOR, WHERE N IS ANY INTEGER, MEANS COUPLING SAID MASTER TRANSISTOR, SAID SLAVE TRANSISTORS, AND SAID LOAD IN A SERIES CIRCUIT IN THAT ORDER BETWEEN FIRST AND SECOND POINTS, MEANS COUPLING SAID FIRST AND SECOND POINTS OF SAID SERIES CIRCUIT ACROSS SAID SOURCE OF VOLTAGE, N VOLTAGE DIVIDER CIRCUITS COUPLED BETWEEN SAID FIRST AND SECOND POINTS, AND FIRST MEANS COUPLING SAID EMITTER OF EACH OF SAID SLAVE TRANSISTORS TO A RESPECTIVE ONE OF SAID VOLTAGE DIVIDER CIRCUITS AT A POINT THEREON THAT HAS A POTENTIAL WITH RESPECT TO SAID FIRST POINT WHICH IS SUBSTANTIALLY EQUAL TO
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |