US3243605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified method for scr turnoff
Assignee: Potter Instrument Co Inc
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Filing: 1963-08-08
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Granted: 1966-03-29
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Smith
- 👤 Frederick G Moritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/725; H02; H02P; H02P7/00; H02P7/03; H02P7/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A CONTROL CIRCUIT COMPRISING A SOURCE OF ALTERNATING VOLTAGE, A FULL WAVE BRIDGE CIRCUIT COUPLED ACROSS SAID SOURCE TO PROVIDE A FULL WAVE RECTIFIED VOLTAGE BETWEEN THE OUTPUT TERMINALS OF SAID BRIDGE, AN INDUCTIVE WINDING, A GATED SOLID STATE RECTIFIER HAVING AN ANODE, CATHODE AND GATE ELECTRODES, SAID WINDING AND SAID RECTIFIER BEING SERIALLY COUPLED ACROSS SAID OUTPUT TERMINALS OF SAID BRIDGE, A QUENCHING DIODE COUPLED ACROSS SAID WINDING, AND A CHOKE COUPLED ACROSS SAID OUTPUT TERMINALS OF SAID BRIDGE, SAID CHOKE GENERATING A POTENTIAL DRIVING SAID ANODE NEGATIVE WITH RESPECT TO SAID CATHODE AT EACH REVERSAL OF SAID RECTIFIED VOLTAGE.
Claim 2
Dependent Claim
101 words
A CONTROL CIRCUIT COMPRISING A SOURCE OF ALTERNATING VOLTAGE, A FULL WAVE BRIDGE CIRCUIT COUPLED ACROSS SAID SOURCE TO PROVIDE A FULL WAVE RECTIFIED VOLTAGE BETWEEN THE OUTPUT TERMINALS OF SAID BRIDGE, AN INDUCTIVE WINDING, A GATED SOLID STATE RECTIFIER HAVING AN ANODE, CATHODE AND GATE ELECTRODES, SAID WINDING AND SAID RECTIFIER BEING SERIALLY COUPLED ACROSS SAID OUTPUT TERMINALS OF SAID BRIDGE, A QUENCHING DIODE COUPLED ACROSS SAID WINDING, AND A CHOKE COUPLED ACROSS SAID OUTPUT TERMINALS OF SAID BRIDGE, SAID CHOKE GENERATING A POTENTIAL DRIVING SAID ANODE NEGATIVE WITH RESPECT TO SAID CATHODE AT EACH REVERSAL OF SAID RECTIFIED VOLTAGE.
References Cited (Backward Citations)
US3064174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |