US3214680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase sensitive a.c. limiting circuit
Assignee: RTX Corp
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Filing: 1963-07-11
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Granted: 1965-10-26
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:22
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN A.C. CIRCUIT HAVING A SOURCE OF ALTERNATING INPUT VOLTAGE AND AN OUTPOUT VOLTAGE CONNECTION, MEANS FOR LIMITING THE MAGNITUDE OF THE OUTPUT VOLTAGE COMPRISING FIRST AND SECOND CONDUCTING MEANS CONNECTED TO SAID OUTPUT CONNECTION, A SOURCE OF REFERENCE VOLTAGE FOR BIASING SAID FIRST AND SECOND CONDUCTING MEANS TO OPPOSITE POLARITIES, SAID CONDUCTING MEANS CONDUCTING TO LIMIT SAID OUTPUT VOLTAGE WHEN SAID INPUT VOLTAGE EXCEEDS SAID BIAS, FIRST IMPEDANCE MEANS CONNECTED BETWEEN SAID REFERENCE VOLTAGE SOURCE AND SAID FIRST SECOND CONDUCTING MEANS FOR PRODUCING A BIAS OF ONE VALUE WHEN SAID INPUT VOLTAGE IS IN PHASE WITH SAID REFERENCE VOLTAGE, AND A SECOND IM-
Claim 2
Dependent Claim
105 words
IN AN A.C. CIRCUIT HAVING A SOURCE OF ALTERNATING INPUT VOLTAGE AND AN OUTPOUT VOLTAGE CONNECTION, MEANS FOR LIMITING THE MAGNITUDE OF THE OUTPUT VOLTAGE COMPRISING FIRST AND SECOND CONDUCTING MEANS CONNECTED TO SAID OUTPUT CONNECTION, A SOURCE OF REFERENCE VOLTAGE FOR BIASING SAID FIRST AND SECOND CONDUCTING MEANS TO OPPOSITE POLARITIES, SAID CONDUCTING MEANS CONDUCTING TO LIMIT SAID OUTPUT VOLTAGE WHEN SAID INPUT VOLTAGE EXCEEDS SAID BIAS, FIRST IMPEDANCE MEANS CONNECTED BETWEEN SAID REFERENCE VOLTAGE SOURCE AND SAID FIRST SECOND CONDUCTING MEANS FOR PRODUCING A BIAS OF ONE VALUE WHEN SAID INPUT VOLTAGE IS IN PHASE WITH SAID REFERENCE VOLTAGE, AND A SECOND IM-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |