US3221183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid-state controlled rectifier relay
Assignee: Individual
•
Filing: 1961-10-03
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Granted: 1965-11-30
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Richard L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/722; H03K17/723; Y; Y10; Y10S; Y10S315/00; Y10S315/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SOLID STATE RELAY COMPRISING: AN OSCILLATOR HAVING AN INPUT AND AN OUTPUT; MEANS FOR APPLYING A DIRECT-CURRENT SIGNAL TO SAID INPUT; A FIRST CONTROLLED RECTIFIER HAVING A CONTROL ELECTRODE; MEANS FOR COUPLING SAID FIRST CONTROLLED RECTIFIER TO A SOURCE OF ALTERNATING CURRENT; A SECOND CONTROLLED RECTIFIER HAVING A CONTROL ELECTRODE; MEANS CONNECTING SAID SECOND CONTROLLED RECTIFIER ACROSS SAID FIRST CONTROLLED RECTIFIER AND OPPOSITELY POLED WITH RESPECT THERETO: AND MEANS COUPLING THE OUTPUT OF SAID OSCILLATOR WITH SAID CONTROL ELECTRODES OF SAID CONTROLLED RECTIFIERS, EACH OF SAID RECTIFIERS BEING RENDERED ALTERNATELY CONDUCTIVE FOR A COMPLETE HALF-CYCLE OF SAID ALTERNATING CURRENT IN RESPONSE TO AN OUTPUT SIGNAL FROM SAID OSCILLATOR.
Claim 2
Dependent Claim
109 words
A SOLID STATE RELAY COMPRISING: AN OSCILLATOR HAVING AN INPUT AND AN OUTPUT; MEANS FOR APPLYING A DIRECT-CURRENT SIGNAL TO SAID INPUT; A FIRST CONTROLLED RECTIFIER HAVING A CONTROL ELECTRODE; MEANS FOR COUPLING SAID FIRST CONTROLLED RECTIFIER TO A SOURCE OF ALTERNATING CURRENT; A SECOND CONTROLLED RECTIFIER HAVING A CONTROL ELECTRODE; MEANS CONNECTING SAID SECOND CONTROLLED RECTIFIER ACROSS SAID FIRST CONTROLLED RECTIFIER AND OPPOSITELY POLED WITH RESPECT THERETO: AND MEANS COUPLING THE OUTPUT OF SAID OSCILLATOR WITH SAID CONTROL ELECTRODES OF SAID CONTROLLED RECTIFIERS, EACH OF SAID RECTIFIERS BEING RENDERED ALTERNATELY CONDUCTIVE FOR A COMPLETE HALF-CYCLE OF SAID ALTERNATING CURRENT IN RESPONSE TO AN OUTPUT SIGNAL FROM SAID OSCILLATOR.
References Cited (Backward Citations)
US2745038A
Cited
US3048710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |