Patent US3229121A successfully refreshed from Google Patents.
US3229121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blocking oscillator employing two switch means for setting and automatically resetting magnetic core transformer
Assignee: Honeywell Inc
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Filing: 1963-11-04
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Granted: 1966-01-11
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:56
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30; H03K3/35; H03K3/352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
A BLOCKING OSCILLATOR COMPRISING: A MAGNETIC CORE OF HIGH FLUX RETENTIVITY HAVING TWO STATES OF FLUX SATURATION AT OPPOSITE POLARITIES; A PLURALITY OF WINDINGS ON SAID CORE; A SOURCE OF ENERGY; A SET CHANNEL, INCLUDING A NUMBER OF SAID WINDINGS, CONNECTED ACROSS SAID SOURCE OF ENERGY; SWITCHING MEANS IN SAID SET CHANNEL; SAID SWITCHING MEANS CONNECTED TO ONE OF SAID NUMBER OF WINDINGS TO CONTROL THE COERCIVE CURRENT THERETHROUGH; A FLUX SATURATION SENSING WINDING IN SAID NUMBER OF WINDINGS CONNECTED IN CONTROLLING RELATION TO SAID SWITCHING MEANS , WHEREBY AN INPUT SIGNAL WILL CAUSE SAID SWITCHING MEANS TO TURN ON SAID SET CHANNEL THUS DRIVING SAID CORE FROM ONE OF SAID STATES OF SATURATION TO THE OTHER OF SAID STATES OF SATURATION AT WHICH OTHER STATE OF SATURATION SAID SWITCHING MEANS WILL TURN OFF SAID SET CHANNEL; A RESET CHANNEL, INCLUDING FURTHER OF SAID WINDINGS, CONNECTED ACROSS SAID SOURCE OF ENERGY; SECOND SWITCHING MEANS IN SAID RESET CHANNEL; SAID SECOND SWITCHING MEANS CONNECTED TO ONE OF SAID FURTHER OF SAID WINDINGS TO CONTROL THE COERCIVE CURRENT THERETHROUGH; A SECOND FLUX SATURATION SENSING WINDING IN SAID FURTHER OF SAID WINDINGS CONNECTED IN CONTROLLING RELATION TO SAID SECOND SWITHCING MEANS, WHEREBY WHEN SAID CORE REACHES SAID OTHER STATE OF SATURATION SAID SECOND SWITCHING MEANS WILL TURN ON SAID RESET CHANNEL THUS DRIVING SAID CORE BACK TO SAID ONE STATE OF SATURATION, AT WHICH ONE STATE OF SATURATION SAID SECOND SWITCHING MEANS WILL TURN OFF SAID RESET CHANNEL; AND OUTPUT MEANS INCLUDING STILL FURTHER OF SAID WINDINGS, FOR PROVIDING AN OUTPUT SIGNAL AS SAID CORE IS DRIVEN BETWEEN SAID TWO STATES OF SATURATION.
Claim 2
Dependent Claim
270 words
A BLOCKING OSCILLATOR COMPRISING: A MAGNETIC CORE OF HIGH FLUX RETENTIVITY HAVING TWO STATES OF FLUX SATURATION AT OPPOSITE POLARITIES; A PLURALITY OF WINDINGS ON SAID CORE; A SOURCE OF ENERGY; A SET CHANNEL, INCLUDING A NUMBER OF SAID WINDINGS, CONNECTED ACROSS SAID SOURCE OF ENERGY; SWITCHING MEANS IN SAID SET CHANNEL; SAID SWITCHING MEANS CONNECTED TO ONE OF SAID NUMBER OF WINDINGS TO CONTROL THE COERCIVE CURRENT THERETHROUGH; A FLUX SATURATION SENSING WINDING IN SAID NUMBER OF WINDINGS CONNECTED IN CONTROLLING RELATION TO SAID SWITCHING MEANS , WHEREBY AN INPUT SIGNAL WILL CAUSE SAID SWITCHING MEANS TO TURN ON SAID SET CHANNEL THUS DRIVING SAID CORE FROM ONE OF SAID STATES OF SATURATION TO THE OTHER OF SAID STATES OF SATURATION AT WHICH OTHER STATE OF SATURATION SAID SWITCHING MEANS WILL TURN OFF SAID SET CHANNEL; A RESET CHANNEL, INCLUDING FURTHER OF SAID WINDINGS, CONNECTED ACROSS SAID SOURCE OF ENERGY; SECOND SWITCHING MEANS IN SAID RESET CHANNEL; SAID SECOND SWITCHING MEANS CONNECTED TO ONE OF SAID FURTHER OF SAID WINDINGS TO CONTROL THE COERCIVE CURRENT THERETHROUGH; A SECOND FLUX SATURATION SENSING WINDING IN SAID FURTHER OF SAID WINDINGS CONNECTED IN CONTROLLING RELATION TO SAID SECOND SWITHCING MEANS, WHEREBY WHEN SAID CORE REACHES SAID OTHER STATE OF SATURATION SAID SECOND SWITCHING MEANS WILL TURN ON SAID RESET CHANNEL THUS DRIVING SAID CORE BACK TO SAID ONE STATE OF SATURATION, AT WHICH ONE STATE OF SATURATION SAID SECOND SWITCHING MEANS WILL TURN OFF SAID RESET CHANNEL; AND OUTPUT MEANS INCLUDING STILL FURTHER OF SAID WINDINGS, FOR PROVIDING AN OUTPUT SIGNAL AS SAID CORE IS DRIVEN BETWEEN SAID TWO STATES OF SATURATION.
References Cited (Backward Citations)
US3038128A
Cited
US3159752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |