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US3075183A Expired / Lapsed US ⏱️ 0.0 years remaining

Binary magnetic storage devices of the matrix type

Assignee: ASS ELECT IND WOOLWICH Ltd
•
Filing: 1959-08-27
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Granted: 1963-01-22
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Expires: 1979-08-27
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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 14:52
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)

US2856596A Cited
US2910674A Cited
US2922145A Cited
US2917727A Cited

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

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