Patent US2424034A successfully refreshed from Google Patents.
Patent US3335333A successfully refreshed from Google Patents.
US3335333A
Expired / Lapsed
US
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Bistable multivibrator for operating a pair of control coils
Assignee: Ideal Industries Inc
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Filing: 1964-11-12
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Granted: 1967-08-08
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:14
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A BISTABLE CONTROL CIRCUIT FOR CONNECTION ACROSS A SOURCE OF POWER, A PAIR OF COILS, EACH OF WHICH PERFORMS A CONTROL FUNCTION, A PAIR OF GAS TUBES EACH HAVING AN ANODE, CATHODE AND GATE, EACH OF SAID TUBES BEING SERIES CONNECTED WITH ONE OF SAID COILS, MEANS FOR APPLYING AN OPERATING POTENTIAL TO EACH OF SAID GATES, A CAPACITOR, EACH SERIES COMBINATION OF A COIL AND TUBE BEING CONNECTED ACROSS SAID CAPACITOR, A DIODE CONNECTED BETWEEN ONE SIDE OF SAID CAPACITOR AND ONE SIDE OF THE SOURCE, AND A RESISTANCE CONNECTED BETWEEN THE OTHER SIDE OF SAID CAPACITOR AND THE OTHER SIDE OF THE SOURCE, THE APPLICATION OF A POTENTIAL TO ONE GATE CAUSING ITS ASSOCIATED TUBE TO CONDUCT WITH SAID CAPACITOR THEN DISCHARGING THROUGH SAID CONDUCTING TUBE AND ITS ASSOCIATED COIL TO PROVIDE OPERATING CURRENT FOR THE COIL, SAID CONDUCTING TUBE REMAINING IN AN IONIZED STATE, BUT WITH INSUFFICIENT OPERATING CURRENT FOR THE COILS UNTIL A POTENTIAL IS APPLIED TO THE GATE OF THE OTHER TUBE, WITH THE CAPACITOR THEN DISCHARGING THROUGH THE OTHER TUBE AND ITS ASSOCIATED COIL TO PROVIDE OPERATING CURRENT FOR SAID COIL.
Claim 2
Dependent Claim
188 words
IN A BISTABLE CONTROL CIRCUIT FOR CONNECTION ACROSS A SOURCE OF POWER, A PAIR OF COILS, EACH OF WHICH PERFORMS A CONTROL FUNCTION, A PAIR OF GAS TUBES EACH HAVING AN ANODE, CATHODE AND GATE, EACH OF SAID TUBES BEING SERIES CONNECTED WITH ONE OF SAID COILS, MEANS FOR APPLYING AN OPERATING POTENTIAL TO EACH OF SAID GATES, A CAPACITOR, EACH SERIES COMBINATION OF A COIL AND TUBE BEING CONNECTED ACROSS SAID CAPACITOR, A DIODE CONNECTED BETWEEN ONE SIDE OF SAID CAPACITOR AND ONE SIDE OF THE SOURCE, AND A RESISTANCE CONNECTED BETWEEN THE OTHER SIDE OF SAID CAPACITOR AND THE OTHER SIDE OF THE SOURCE, THE APPLICATION OF A POTENTIAL TO ONE GATE CAUSING ITS ASSOCIATED TUBE TO CONDUCT WITH SAID CAPACITOR THEN DISCHARGING THROUGH SAID CONDUCTING TUBE AND ITS ASSOCIATED COIL TO PROVIDE OPERATING CURRENT FOR THE COIL, SAID CONDUCTING TUBE REMAINING IN AN IONIZED STATE, BUT WITH INSUFFICIENT OPERATING CURRENT FOR THE COILS UNTIL A POTENTIAL IS APPLIED TO THE GATE OF THE OTHER TUBE, WITH THE CAPACITOR THEN DISCHARGING THROUGH THE OTHER TUBE AND ITS ASSOCIATED COIL TO PROVIDE OPERATING CURRENT FOR SAID COIL.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |