US3144592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for controlling circuit continuity
Assignee: Westinghouse Electric Corp
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Filing: 1961-04-28
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Granted: 1964-08-11
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
- 👤 Bernard R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:24
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/9645; H03K17/18; H03K2017/9602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN ARRANGEMENT FOR CONTROLLING THE CONTINUITY OF A POWER CIRCUIT, SAID ARRANGEMENT COMPRISING AN ACTUATOR INCLUDING AT LEAST ONE PAIR OF SPACED TERMINAL ELEMENTS, MEANS FOR SWITCHING SAID POWER CIRCUIT BETWEEN CONDUCTIVE AND NON-CONDUCTIVE STATES, SAID SWITCHING MEANS INCLUDING A SEMICONDUCTOR SWITCHING DEVICE BEING ELECTRICALLY RELATED TO SAID ACTUATOR SO AS TO RECEIVE A SWITCHING SIGNAL CURRENT EACH TIME SAID ACTUATOR TERMINAL ELEMENTS ARE BRIDGED BY AN OBJECT HAVING A RESISTIVITY AS HIGH AS THE ORDER OF THAT OF A PATH THROUGH ONE''S FINGER, SAID SWITCHING MEANS ALSO INCLUDING AN OUTPUT SEMICONDUCTOR SWITCHING DEVICE INCLUDED SERIALLY IN SAID POWER CIRCUIT AND COUPLED TO SAID FIRST MENTIONED SEMICONDUCTOR DEVICE AND RESPONDING TO SWITCH SAID POWER CIRCUIT EACH TIME THE FIRST-MENTIONED SEMICONDUCTOR DEVICE IS SEITCHED, AND MEANS FOR PROVIDING UNIDIRECTIONAL FLOW OF CURRENT THROUGH SAID OUTPUT SEMICONDUCTOR DEVICE.
Claim 2
Dependent Claim
136 words
AN ARRANGEMENT FOR CONTROLLING THE CONTINUITY OF A POWER CIRCUIT, SAID ARRANGEMENT COMPRISING AN ACTUATOR INCLUDING AT LEAST ONE PAIR OF SPACED TERMINAL ELEMENTS, MEANS FOR SWITCHING SAID POWER CIRCUIT BETWEEN CONDUCTIVE AND NON-CONDUCTIVE STATES, SAID SWITCHING MEANS INCLUDING A SEMICONDUCTOR SWITCHING DEVICE BEING ELECTRICALLY RELATED TO SAID ACTUATOR SO AS TO RECEIVE A SWITCHING SIGNAL CURRENT EACH TIME SAID ACTUATOR TERMINAL ELEMENTS ARE BRIDGED BY AN OBJECT HAVING A RESISTIVITY AS HIGH AS THE ORDER OF THAT OF A PATH THROUGH ONE''S FINGER, SAID SWITCHING MEANS ALSO INCLUDING AN OUTPUT SEMICONDUCTOR SWITCHING DEVICE INCLUDED SERIALLY IN SAID POWER CIRCUIT AND COUPLED TO SAID FIRST MENTIONED SEMICONDUCTOR DEVICE AND RESPONDING TO SWITCH SAID POWER CIRCUIT EACH TIME THE FIRST-MENTIONED SEMICONDUCTOR DEVICE IS SEITCHED, AND MEANS FOR PROVIDING UNIDIRECTIONAL FLOW OF CURRENT THROUGH SAID OUTPUT SEMICONDUCTOR DEVICE.
References Cited (Backward Citations)
US2848659A
Cited
US3027467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |