US3201599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic trigger circuit
Assignee: Ovitron Corp
•
Filing: 1961-05-25
•
Granted: 1965-08-17
•
Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Cole H Baker
- 👤 Macklem F Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:10
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A MAGNETIC TRIGGER CIRCUIT COMPRISING A SATURABLE REACTOR CONTAINING A LOAD WINDING AND A FERRO-MAGNETIC CORE; A FIRST DIODE AND A FIRST RESISTOR COUPLED IN SERIES WITH SAID LOAD WINDING TO FORM A FIRST CURRENT LOOP CIRCUIT; A FIRST TRANSISTOR HAVING BASE, COLLECTOR, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER CIRCUIT THEREOF BEING COUPLED IN SERIES WITH A SECOND DIODE AND A SECOND RESISTOR TO FORM A SECOND CURRENT LOOP CIRCUIT AND THE BASE ELECTRODE THEREOF BEING COUPLED TO ONE END OF SAID FIRST RESISTOR; AN ALTERNATING CURRENT SIGNAL SOURCE COUPLED TO SAID FIRST AND SECOND CURRENT LOOP CIRCUITS; A SECOND TRANSISTOR HAVING BASE, COLLECTOR, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER CIRCUIT THEREOF BEING COUPLED IN PARALLEL WITH SAID FIRST DIODE WITH THE FORWARD CURRENT DIRECTION OF SAID EMITTER-COLLECTOR CIRCUIT OPPOSING THE FORWARD CURRENT DIRECTION OF SAID FIRST DIODE, AND THE BASE ELECTRODE THEREOF BEING COUPLED THROUGH A THIRD RESISTOR TO SAID ALTERNATING CURRENT SIGNAL SOURCE.
Claim 2
Dependent Claim
153 words
A MAGNETIC TRIGGER CIRCUIT COMPRISING A SATURABLE REACTOR CONTAINING A LOAD WINDING AND A FERRO-MAGNETIC CORE; A FIRST DIODE AND A FIRST RESISTOR COUPLED IN SERIES WITH SAID LOAD WINDING TO FORM A FIRST CURRENT LOOP CIRCUIT; A FIRST TRANSISTOR HAVING BASE, COLLECTOR, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER CIRCUIT THEREOF BEING COUPLED IN SERIES WITH A SECOND DIODE AND A SECOND RESISTOR TO FORM A SECOND CURRENT LOOP CIRCUIT AND THE BASE ELECTRODE THEREOF BEING COUPLED TO ONE END OF SAID FIRST RESISTOR; AN ALTERNATING CURRENT SIGNAL SOURCE COUPLED TO SAID FIRST AND SECOND CURRENT LOOP CIRCUITS; A SECOND TRANSISTOR HAVING BASE, COLLECTOR, AND EMITTER ELECTRODES, THE COLLECTOR-EMITTER CIRCUIT THEREOF BEING COUPLED IN PARALLEL WITH SAID FIRST DIODE WITH THE FORWARD CURRENT DIRECTION OF SAID EMITTER-COLLECTOR CIRCUIT OPPOSING THE FORWARD CURRENT DIRECTION OF SAID FIRST DIODE, AND THE BASE ELECTRODE THEREOF BEING COUPLED THROUGH A THIRD RESISTOR TO SAID ALTERNATING CURRENT SIGNAL SOURCE.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |