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
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Filing: 1965-02-01
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Granted: 1967-07-25
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Expires: 1985-02-01
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)
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 |