US3283312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Read-out circuit for static magnetic core devices
Assignee: Individual
•
Filing: 1962-11-05
•
Granted: 1966-11-01
•
Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Ira R Marcus
- 👤 Osvaldo T Dellasanta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:11
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A CIRCUIT FOR SENSING THE STATE OF A STATIC MAGNETIC MEMORY CORE DEVICE COMPRISING: (A) BI-STABLE SWITCH MEANS, INDICATOR MEANS, INTERROGATOR MEANS, AND RESET MEANS, (B) MEANS CONNECTED TO AN OUTPUT OF SAID STATIC BI-STABLE MEMORY DEVICE TO CONDUCT A TRIGGER PULSE FROM SAID OUTPUT TO SAID BI-STABLE SWITCH MEANS TO TRIGGER SAID BI-STABLE SWITCH MEANS TO A CLOSED POSITION WHEN SAID STATIC BI-STABLE MEMORY MEANS IS SWITCHED FROM A FIRST PREDETERMINED CONDITION TO A SECOND PREDETERMINED CONDITION, (C) SAID INTERROGATOR MEANS CONNECTED TO SAID CORE TO SWITCH SAID CORE FROM SAID FIRST PREDETERMINED CONDITION, TO A SECOND PREDETERMINED CONDITION, (D) SAID BI-STABLE SWITCH MEANS IN SAID CLOSED POSITION CONNECTING SAID INDICATOR MEANS AND SAID RESET MEANS TO POWER SUPPLY MEANS, SAID POWER SUPPLY MEANS ACTIVATING SAID INDICATOR MEANS AND SAID POWER SUPPLY MEANS ACTIVATING SAID RESET MEANS TO RESET SAID CORE TO SAID FIRST PREDETERMINED CONDITION, (E) MEANS TO SWITCH SAID BI-STABLE SWITCH MEANS TO SAID OPEN POSITION.
Claim 2
Dependent Claim
159 words
A CIRCUIT FOR SENSING THE STATE OF A STATIC MAGNETIC MEMORY CORE DEVICE COMPRISING: (A) BI-STABLE SWITCH MEANS, INDICATOR MEANS, INTERROGATOR MEANS, AND RESET MEANS, (B) MEANS CONNECTED TO AN OUTPUT OF SAID STATIC BI-STABLE MEMORY DEVICE TO CONDUCT A TRIGGER PULSE FROM SAID OUTPUT TO SAID BI-STABLE SWITCH MEANS TO TRIGGER SAID BI-STABLE SWITCH MEANS TO A CLOSED POSITION WHEN SAID STATIC BI-STABLE MEMORY MEANS IS SWITCHED FROM A FIRST PREDETERMINED CONDITION TO A SECOND PREDETERMINED CONDITION, (C) SAID INTERROGATOR MEANS CONNECTED TO SAID CORE TO SWITCH SAID CORE FROM SAID FIRST PREDETERMINED CONDITION, TO A SECOND PREDETERMINED CONDITION, (D) SAID BI-STABLE SWITCH MEANS IN SAID CLOSED POSITION CONNECTING SAID INDICATOR MEANS AND SAID RESET MEANS TO POWER SUPPLY MEANS, SAID POWER SUPPLY MEANS ACTIVATING SAID INDICATOR MEANS AND SAID POWER SUPPLY MEANS ACTIVATING SAID RESET MEANS TO RESET SAID CORE TO SAID FIRST PREDETERMINED CONDITION, (E) MEANS TO SWITCH SAID BI-STABLE SWITCH MEANS TO SAID OPEN POSITION.
References Cited (Backward Citations)
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US2954163A
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US2846669A
Cited
US2807006A
Cited
US2978682A
Cited
US3174139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |