Patent US755196A successfully refreshed from Google Patents.
Patent US3292010A successfully refreshed from Google Patents.
US3292010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor driven switch
Assignee: Individual
•
Filing: 1964-03-10
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Granted: 1966-12-13
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 James H Brown
- 👤 William J Wester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:34
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/74; H03K17/76; H03K17/56; H03K17/60; H03K17/62; H03K17/6271
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A CAPACITOR DRIVEN SWITCH COMPRISING: A VOLTAGE CONTROLLED SWITCH MEANS HAVING A CONTROL CIRCUIT AND A SWITCH CIRCUIT; A STORAGE CAPACITOR COUPLED IN PARALLEL TO SAID CONTROL CIRCUIT OF SAID SWITCH MEANS; A FIRST ELECTRON EMISSION MEANS IN SAID PARALLEL COUPLING AND HAVING A CONTROL ELECTRODE; A VOLTAGE SOURCE COUPLED TO CHARGE SAID STORAGE CAPACITOR; A SECOND ELECTRON EMISSION MEANS IN THE COUPLING OF SAID VOLTAGE SOURCE AND SAID CAPACITOR, SAID SECOND ELECTRON EMISSION MEANS HAVING A CONTROL ELECTRODE TO CONTROL THE CONNECTION OF SAID VOLTAGE SOURCE TO SAID CAPACITOR; A POLARITY REVERSING MEANS COUPLED TO THE CONTROL ELECTRODES OF SAID FIRST AND SECOND ELECTRON EMISSION MEANS AND THROUGH UNIDIRECTIONAL MEANS TO THE CONTROL CIRCUIT OF SAID SWITCH MEANS TO APPLY VOLTAGE OF A POLARITY ALTERNATELY TO SAID FIRST AND SECOND ELECTRON MEANS AND SAID SWITCH MEANS WHEREBY UNDER ONE POLARITY OUTPUT OF SAID POLARITY REVERSING MEANS THE SWITCH CIRCUIT OF SAID SWITCH MEANS IS OPEN, SAID FIRST ELECTRON EMISSION MEANS IS NONCONDUCTIVE, AND SAID SECOND ELECTRON EMISSION MEANS IS CONDUCTIVE TO CHARGE SAID STORAGE CAPACITOR, AND UNDER THE OTHER POLARITY CONDITION SAID SECOND ELECTRON EMISSION MEANS IS NONCONDUCTIVE AND SAID FIRST ELECTRON EMISSION MEANS IS CONDUCTIVE TO APPLY STORED VOLTAGE ON SAID STORAGE CAPACITOR TO SAID CONTROL CIRCUIT OF SAID SWITCH MEANS TO CLOSE SAID SWITCH CIRCUIT.
Claim 2
Dependent Claim
218 words
A CAPACITOR DRIVEN SWITCH COMPRISING: A VOLTAGE CONTROLLED SWITCH MEANS HAVING A CONTROL CIRCUIT AND A SWITCH CIRCUIT; A STORAGE CAPACITOR COUPLED IN PARALLEL TO SAID CONTROL CIRCUIT OF SAID SWITCH MEANS; A FIRST ELECTRON EMISSION MEANS IN SAID PARALLEL COUPLING AND HAVING A CONTROL ELECTRODE; A VOLTAGE SOURCE COUPLED TO CHARGE SAID STORAGE CAPACITOR; A SECOND ELECTRON EMISSION MEANS IN THE COUPLING OF SAID VOLTAGE SOURCE AND SAID CAPACITOR, SAID SECOND ELECTRON EMISSION MEANS HAVING A CONTROL ELECTRODE TO CONTROL THE CONNECTION OF SAID VOLTAGE SOURCE TO SAID CAPACITOR; A POLARITY REVERSING MEANS COUPLED TO THE CONTROL ELECTRODES OF SAID FIRST AND SECOND ELECTRON EMISSION MEANS AND THROUGH UNIDIRECTIONAL MEANS TO THE CONTROL CIRCUIT OF SAID SWITCH MEANS TO APPLY VOLTAGE OF A POLARITY ALTERNATELY TO SAID FIRST AND SECOND ELECTRON MEANS AND SAID SWITCH MEANS WHEREBY UNDER ONE POLARITY OUTPUT OF SAID POLARITY REVERSING MEANS THE SWITCH CIRCUIT OF SAID SWITCH MEANS IS OPEN, SAID FIRST ELECTRON EMISSION MEANS IS NONCONDUCTIVE, AND SAID SECOND ELECTRON EMISSION MEANS IS CONDUCTIVE TO CHARGE SAID STORAGE CAPACITOR, AND UNDER THE OTHER POLARITY CONDITION SAID SECOND ELECTRON EMISSION MEANS IS NONCONDUCTIVE AND SAID FIRST ELECTRON EMISSION MEANS IS CONDUCTIVE TO APPLY STORED VOLTAGE ON SAID STORAGE CAPACITOR TO SAID CONTROL CIRCUIT OF SAID SWITCH MEANS TO CLOSE SAID SWITCH CIRCUIT.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |