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US3307161A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiaperture core memory system

Assignee: Raytheon Co
•
Filing: 1965-08-19
•
Granted: 1967-02-28
•
Expires: 1985-08-19
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Abstract

No abstract record available.

Inventors

  • 👤 Elvin L Woods

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:09
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
IN A WORD ORIENTED ONE ELEMENT PER BIT BINARY MEMORY SYSTEM HAVING A BIPOLAR OUTPUT, THE COMBINATION OF: A PLURALITY OF MAGNETIC UNITS, EACH COMPRISING A BLOCK OF MAGNETIC MATERIAL HAVING INTERSECTING, ORTHOGONALLY DISPOSED WORD AND BIT OPENINGS THERETHROUGH, WITH SAID BLOCKS ARRANGED IN A PLURALITY OF BIT ROWS WITH THE BIT OPENINGS OF THE BLOCKS OF A ROW ALIGNED AND WITH THE BIT ROWS DISPOSED PARALLEL TO EACH OTHER TO FORM A PLURALITY OF BIT PLANES AND WITH THE BIT PLANES ARRANGED ADJACENT EACH OTHER TO FORM AN ARRAY WITH THE WORD OPENINGS OF CORRESPONDING BLOCKS OF EACH PLANE ALIGNED TO DEFINE A WORD COMPOSED OF A PLURALITY OF BITS; A PLURALITY OF WORD CONDUCTORS, WITH A WORD CONDUCTOR POSITIONED IN THE ALIGNED WORD OPENINGS OF EACH WORD RESPECTIVELY; MEANS FOR GENERATING WORD WRITE AND READ CURRENT PULSES OF OPPOSITE POLARITIES ON WORD CONDUCTORS IN SELECTED ALIGNED WORD OPENINGS; A PLURALITY OF FIRST BIT CONDUCTORS, WITH A FIRST BIT CONDUCTOR THREADED IN A SERPENTINE PATTERN THROUGH THE BIT OPENINGS OF THE ROWS OF BLOCKS OF A BIT PLANE, LOOPED OVER THE END OF THE BIT PLANE, AND AGAIN THREADED IN THE SERPENTINE PATTERN THROUGH EACH OF THE ROWS TO PROVIDE TWO TURNS PASSING IN THE SAME DIRECTION THROUGH EACH ROW OF BIT OPENINGS; AND A PLURALITY OF SECOND BIT CONDUCTORS, WITH A SECOND BIT CONDUCTOR THREADED IN A SERPENTINE PATTERN THROUGH THE BIT OPENINGS OF THE ROWS OF BLOCKS OF A BIT PLANE PROGRESSING IN A DIRECTION NORMAL TO THE ROWS SKIPPING ALTERNATE ROWS, AND THEN PROGRESSING IN THE OPPOSITE DIRECTION IN THE SKIPPED ROWS.
Claim 2
Dependent Claim 266 words
IN A WORD ORIENTED ONE ELEMENT PER BIT BINARY MEMORY SYSTEM HAVING A BIPOLAR OUTPUT, THE COMBINATION OF: A PLURALITY OF MAGNETIC UNITS, EACH COMPRISING A BLOCK OF MAGNETIC MATERIAL HAVING INTERSECTING, ORTHOGONALLY DISPOSED WORD AND BIT OPENINGS THERETHROUGH, WITH SAID BLOCKS ARRANGED IN A PLURALITY OF BIT ROWS WITH THE BIT OPENINGS OF THE BLOCKS OF A ROW ALIGNED AND WITH THE BIT ROWS DISPOSED PARALLEL TO EACH OTHER TO FORM A PLURALITY OF BIT PLANES AND WITH THE BIT PLANES ARRANGED ADJACENT EACH OTHER TO FORM AN ARRAY WITH THE WORD OPENINGS OF CORRESPONDING BLOCKS OF EACH PLANE ALIGNED TO DEFINE A WORD COMPOSED OF A PLURALITY OF BITS; A PLURALITY OF WORD CONDUCTORS, WITH A WORD CONDUCTOR POSITIONED IN THE ALIGNED WORD OPENINGS OF EACH WORD RESPECTIVELY; MEANS FOR GENERATING WORD WRITE AND READ CURRENT PULSES OF OPPOSITE POLARITIES ON WORD CONDUCTORS IN SELECTED ALIGNED WORD OPENINGS; A PLURALITY OF FIRST BIT CONDUCTORS, WITH A FIRST BIT CONDUCTOR THREADED IN A SERPENTINE PATTERN THROUGH THE BIT OPENINGS OF THE ROWS OF BLOCKS OF A BIT PLANE, LOOPED OVER THE END OF THE BIT PLANE, AND AGAIN THREADED IN THE SERPENTINE PATTERN THROUGH EACH OF THE ROWS TO PROVIDE TWO TURNS PASSING IN THE SAME DIRECTION THROUGH EACH ROW OF BIT OPENINGS; AND A PLURALITY OF SECOND BIT CONDUCTORS, WITH A SECOND BIT CONDUCTOR THREADED IN A SERPENTINE PATTERN THROUGH THE BIT OPENINGS OF THE ROWS OF BLOCKS OF A BIT PLANE PROGRESSING IN A DIRECTION NORMAL TO THE ROWS SKIPPING ALTERNATE ROWS, AND THEN PROGRESSING IN THE OPPOSITE DIRECTION IN THE SKIPPED ROWS.

References Cited (Backward Citations)

US3155942A Cited
US2979701A Cited
US3134964A Cited
US3214740A Cited
US3212068A Cited
US3189879A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-27 1970-08-29 1971-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-27 1974-08-29 1975-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-27 1978-08-29 1979-02-28 $7700.00 Window Closed / Lapsed

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