Patent US3075183A successfully refreshed from Google Patents.
US3075183A
Expired / Lapsed
US
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Binary magnetic storage devices of the matrix type
Assignee: ASS ELECT IND WOOLWICH Ltd
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Filing: 1959-08-27
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Granted: 1963-01-22
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Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Warman Bloomfield James
- 👤 Deller William Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:09
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
211 words
A BINARY MATRIX STORE COMPRISING AN ARRAY OF TWOSTATE MAGNETIC STORAGE CORES LOCATED ALONG TWO SETS OF INTERSECTING LINES TO FORM A RECTANGULAR MATRIX, A SEPARATE TWO-STATE MAGNETIC DRIVE CORE ASSOCIATED WITH EACH INDIVIDUAL LINE OF CORES OF THE FIRST SET AND COUPLED THERETO BY A DRIVE CORE CONDUCTOR, A SEPARATE REGENERATIVE TRANSISTOR BLOCKING OSCILLATOR ASSOCIATED WITH EACH LINE OF CORES OF THE SECOND SET AND COUPLED THERETO BY A BLOCKING OSCILLATOR CONDUCTOR, MEANS FOR ACTUATING A SELECTED DRIVE CORE TO THE SET STATE DURING A READING OPERATION AND THEREBY GENERATE A PULSE IN THE ASSOCIATED DRIVE CORE CONDUCTOR WHICH THEREBY CHANGES TO THE SET STATE THOSE STORAGE CORES COUPLED THERETO WHICH AT THAT TIME ARE IN THE RE-SET STATE, MEANS ACTUATED BY THE CHANGING OF A STORAGE CORE FROM THE RE-SET TO THE SET STATE TO GENERATE A PULSE IN THE ASSOCIATED BLOCKING OSCILLATOR CONDUCTOR WHICH IS APPLIED TO TRIGGER THE ASSOCIATED BLOCKING OSCILLATOR, MEANS EFFECTIVE AFTER A PREDETERMINED TIME INTERVAL TO CAUSE A TRIGGERED BLOCKING OSCILLATOR AUTOMATICALLY TO REVERT TO ITS ORIGINAL STATE AND THEREBY APPLY A RE-SET SIGNAL TO THE SAME STORAGE CORE AND MEANS FOR APPLYING A COMPLEMENTARY RE-SET SIGNAL CONCURRENTLY ALONG THE DRIVE CORE CONDUCTOR ASSOCIATED WITH THE STORAGE CORE IN QUESTION, SAID TRANSISTOR BLOCKING OSCIL-
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |