Patent US3412267A successfully refreshed from Google Patents.
US3412267A
Expired / Lapsed
US
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Electronic time delay circuit
Assignee: Unisys Corp
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Filing: 1965-09-20
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Granted: 1968-11-19
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Bohle Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:12
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292; H03K5/00; H03K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A TIME DELAY CIRCUIT COMPRISING IN COMBINATION, COINCIDENCE GATING MEANS HAVING AT LEAST TWO INPUTS; CAPACITOR MEANS; A CHARGE PATH CIRCUIT FOR SAID CAPACITOR MEANS; A DISCHARGE PATH CIRCUIT FOR SAID CAPACITOR MEANS; SWITCHING MEANS FOR ENABLING ONE INPUT OF SAID GATING MEANS ONLY IN RESPONSE TO A SUBSTANTIALLY FULLY CHARGED CONDITION OF SAID CAPACITOR MEANS; BI-STABLE MEANS FOR ENABLING ANOTHER INPUT OF SAID GATING MEANS AND FOR ENABLING SAID CHARGE PATH CIRCUIT TO PERMIT CHARGING OF SAID CAPACITOR MEANS WHEN SAID BI-STABLE MEANS IS IN ITS FIRST STATE, AND FOR DISABLING SAID CHARGE PATH CIRCUIT AND SAID OTHER INPUT OF SAID GATING MEANS AND FOR COMPLETING SAID DISCHARGE PATH CIRCUIT WHEN SAID BI-STABLE MEANS IS IN ITS SECOND STATE; MEANS FOR SETTING SAID BI-STABLE MEANS INTO ITS SECOND OND STATE TO INITIATE DISCHARGING OF SAID CAPACITOR MEANS; AND FEEDBACK MEANS FOR RETURNING SAID BI-STABLE MEANS TO ITS FIRST STATE IN RESPONSE TO A PREDETERMINED PARTIALLY DISCHARGED CONDITION OF SAID CAPACITOR MEANS.
Claim 2
Dependent Claim
162 words
A TIME DELAY CIRCUIT COMPRISING IN COMBINATION, COINCIDENCE GATING MEANS HAVING AT LEAST TWO INPUTS; CAPACITOR MEANS; A CHARGE PATH CIRCUIT FOR SAID CAPACITOR MEANS; A DISCHARGE PATH CIRCUIT FOR SAID CAPACITOR MEANS; SWITCHING MEANS FOR ENABLING ONE INPUT OF SAID GATING MEANS ONLY IN RESPONSE TO A SUBSTANTIALLY FULLY CHARGED CONDITION OF SAID CAPACITOR MEANS; BI-STABLE MEANS FOR ENABLING ANOTHER INPUT OF SAID GATING MEANS AND FOR ENABLING SAID CHARGE PATH CIRCUIT TO PERMIT CHARGING OF SAID CAPACITOR MEANS WHEN SAID BI-STABLE MEANS IS IN ITS FIRST STATE, AND FOR DISABLING SAID CHARGE PATH CIRCUIT AND SAID OTHER INPUT OF SAID GATING MEANS AND FOR COMPLETING SAID DISCHARGE PATH CIRCUIT WHEN SAID BI-STABLE MEANS IS IN ITS SECOND STATE; MEANS FOR SETTING SAID BI-STABLE MEANS INTO ITS SECOND OND STATE TO INITIATE DISCHARGING OF SAID CAPACITOR MEANS; AND FEEDBACK MEANS FOR RETURNING SAID BI-STABLE MEANS TO ITS FIRST STATE IN RESPONSE TO A PREDETERMINED PARTIALLY DISCHARGED CONDITION OF SAID CAPACITOR MEANS.
References Cited (Backward Citations)
US2767311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |