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US3333253A Expired / Lapsed US ⏱️ 0.0 years remaining

Serial-to-parallel and parallel-toserial buffer-converter using a core matrix

Assignee: International Business Machines Corp
•
Filing: 1965-02-01
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Granted: 1967-07-25
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Expires: 1985-02-01
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Abstract

No abstract record available.

Inventors

  • 👤 Richard J Sahulka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:20
CPC Classifications
G; G06; G06F; G06F5/00; H; H03; H03M; H03M9/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 267 words
A DEVICE FOR DISTRIBUTING DATA UNITS TO CORRESPONDING OUTPUT LINES ON A SERIAL-BY-BIT BASIS COMPRISING: A MAGNETIC CORE MATRIX MEMORY IN WHICH SAID CORES ARE ARRANGED IN AN ARRAY OF ROWS AND COLUMNS; A SHIFT REGISTER; MEANS FOR APPLYING DATA UNITS IN PARALLEL TO SAID SHIFT REGISTER; MEANS FOR APPLYING THE CONTENTS OF SAID SHIFT REGISTER A BIT AT A TIME TO SAID MEMORY; CYCLIC MEANS FOR APPLYING SUCCEEDING OUTPUTS FROM SAID MEMORY TO SUCCEEDING ONES OF SAID OUTPUT LINES; BISTABLE MEANS FOR CONTROLLING THE MANNER IN WHICH CORES IN SAID MEMORY ARE TO BE ACCESSED, EACH ACCESS INCLUDING A READ-OUT CYCLE FOLLOWED BY A WRITE-IN CYCLE; MEANS RESPONSIVE TO SAID BISTABLE MEANS BEING IN ITS OF ITS TATES FOR CAUSING SAID CORES TO BE ACCESSED A ROW AT A TIME; MEANS RESPONSIVE TO SAID BISTABLE MEANS BEING IN ITS OTHER STATE FOR CAUSING SAID CORES TO BE ACCESSED A COLUMN AT A TIME; MEANS OPERABLE AFTER EACH ECCESS TO A CORE FOR SHIFTING SAID SHIFT REGISTER SO AS TO CAUSE A NEW BIT TO BE APPLIED TO SAID MEMORY AND FOR INCREMENTING SAID CYCLIC MEANS SO AS TO CAUSE A NEW BIT TO BE MEMORY TO A DIFFERENT ONE OF SAID OUTPUT LINES; MEANS RESPONSIVE TO THE ACCESSING OF A FULL ROW OR A FULL COLUMN OF SAID MEMORY FOR CAUSING SAID DATA UNIT APPLYING MEANS TO APPLY A NEW DATA UNIT TO SAID SHIFT REGISTER AND FOR INITIATING A NEW CYCLE OF SAID CYCLIC MEANS; AND MEANS RESPONSIVE TO ALL THE CORES IN SAID MEMORY BEING ACCESSED FOR ALTERING THE STATE OF SAID BISTABLE MEANS.
Claim 2
Independent Claim 267 words
A DEVICE FOR DISTRIBUTING DATA UNITS TO CORRESPONDING OUTPUT LINES ON A SERIAL-BY-BIT BASIS COMPRISING: A MAGNETIC CORE MATRIX MEMORY IN WHICH SAID CORES ARE ARRANGED IN AN ARRAY OF ROWS AND COLUMNS; A SHIFT REGISTER; MEANS FOR APPLYING DATA UNITS IN PARALLEL TO SAID SHIFT REGISTER; MEANS FOR APPLYING THE CONTENTS OF SAID SHIFT REGISTER A BIT AT A TIME TO SAID MEMORY; CYCLIC MEANS FOR APPLYING SUCCEEDING OUTPUTS FROM SAID MEMORY TO SUCCEEDING ONES OF SAID OUTPUT LINES; BISTABLE MEANS FOR CONTROLLING THE MANNER IN WHICH CORES IN SAID MEMORY ARE TO BE ACCESSED, EACH ACCESS INCLUDING A READ-OUT CYCLE FOLLOWED BY A WRITE-IN CYCLE; MEANS RESPONSIVE TO SAID BISTABLE MEANS BEING IN ITS OF ITS TATES FOR CAUSING SAID CORES TO BE ACCESSED A ROW AT A TIME; MEANS RESPONSIVE TO SAID BISTABLE MEANS BEING IN ITS OTHER STATE FOR CAUSING SAID CORES TO BE ACCESSED A COLUMN AT A TIME; MEANS OPERABLE AFTER EACH ECCESS TO A CORE FOR SHIFTING SAID SHIFT REGISTER SO AS TO CAUSE A NEW BIT TO BE APPLIED TO SAID MEMORY AND FOR INCREMENTING SAID CYCLIC MEANS SO AS TO CAUSE A NEW BIT TO BE MEMORY TO A DIFFERENT ONE OF SAID OUTPUT LINES; MEANS RESPONSIVE TO THE ACCESSING OF A FULL ROW OR A FULL COLUMN OF SAID MEMORY FOR CAUSING SAID DATA UNIT APPLYING MEANS TO APPLY A NEW DATA UNIT TO SAID SHIFT REGISTER AND FOR INITIATING A NEW CYCLE OF SAID CYCLIC MEANS; AND MEANS RESPONSIVE TO ALL THE CORES IN SAID MEMORY BEING ACCESSED FOR ALTERING THE STATE OF SAID BISTABLE MEANS.

References Cited (Backward Citations)

US3061818A Cited
US2985865A Cited
US3209330A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-24 1971-01-23 1971-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-24 1975-01-23 1975-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-24 1979-01-23 1979-07-25 $7700.00 Window Closed / Lapsed

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