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US3387289A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic thin film readout system

Assignee: Siemens AG
•
Filing: 1962-12-19
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Granted: 1968-06-04
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Expires: 1982-12-19
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Abstract

No abstract record available.

Inventors

  • 👤 Walter Karlheinz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:17
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/02; G11B2005/0002

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 160 words
AN ARRANGEMENT FOR THE REGENERATION OF MAGNETIC CONDITIONS, DECOMPOSED BY FREQUENT READING OPERATIONS, IN A STORAGE ELEMENT COMPRISING AN INDIVIDUAL THIN MAGNETIZABLE LAYER HAVING A PREFERENTIAL AXIS OF MAGNETIZATION, COMPRISING MEANS DISPOSED ADJACENT TO, AND COOPERABLE WITH SAID LAYER FOR THE CONDUCTION OF WRITE-IN IMPULSES TO AND READ-OUT IMPULSES FROM SAID LAYER, MEANS FOR THE CONDUCTION OF READING AND REGENERATING IMPULSES TO SAID LAYER, AND IMPULSE GENERATION MEANS OPERATIVELY CONNECTED TO SAID SECOND MENTIONED MEANS, WHICH GENERATES READING IMPULSES OF ONE POLARITY AND REGENERATING IMPULSES OF OPPOSITE POLARITY, WHICH ARE THEREBY CONDUCTED TO SAID THIN LAYER WITH THE RESPECTIVE REGENERATING IMPULSES BEING OPERATIVE TO GENERATE A MAGNETIC FIELD IN SAID LAYER WHICH IS OPPOSITELY DIRECTED TO THE MAGNETIC FIELD GENERATED IN SUCH LAYER BY THE READING IMPULSES, OPERATIVE TO EFFECT A REGENERATION OF THE ORIGINAL MAGNETIC CONDITION OF SAID THIN MAGNETIZED LAYER, WHEREIN SAID IMPULSE GENERATION MEANS IS CONSTRUCTED TO ALLOCATE ONE REGENERATING IMPULSE TO A SERIES OF READING IMPULSES.
Claim 2
Dependent Claim 160 words
AN ARRANGEMENT FOR THE REGENERATION OF MAGNETIC CONDITIONS, DECOMPOSED BY FREQUENT READING OPERATIONS, IN A STORAGE ELEMENT COMPRISING AN INDIVIDUAL THIN MAGNETIZABLE LAYER HAVING A PREFERENTIAL AXIS OF MAGNETIZATION, COMPRISING MEANS DISPOSED ADJACENT TO, AND COOPERABLE WITH SAID LAYER FOR THE CONDUCTION OF WRITE-IN IMPULSES TO AND READ-OUT IMPULSES FROM SAID LAYER, MEANS FOR THE CONDUCTION OF READING AND REGENERATING IMPULSES TO SAID LAYER, AND IMPULSE GENERATION MEANS OPERATIVELY CONNECTED TO SAID SECOND MENTIONED MEANS, WHICH GENERATES READING IMPULSES OF ONE POLARITY AND REGENERATING IMPULSES OF OPPOSITE POLARITY, WHICH ARE THEREBY CONDUCTED TO SAID THIN LAYER WITH THE RESPECTIVE REGENERATING IMPULSES BEING OPERATIVE TO GENERATE A MAGNETIC FIELD IN SAID LAYER WHICH IS OPPOSITELY DIRECTED TO THE MAGNETIC FIELD GENERATED IN SUCH LAYER BY THE READING IMPULSES, OPERATIVE TO EFFECT A REGENERATION OF THE ORIGINAL MAGNETIC CONDITION OF SAID THIN MAGNETIZED LAYER, WHEREIN SAID IMPULSE GENERATION MEANS IS CONSTRUCTED TO ALLOCATE ONE REGENERATING IMPULSE TO A SERIES OF READING IMPULSES.

References Cited (Backward Citations)

US3015807A Cited
US3058099A Cited
US3126529A Cited
US3054094A Cited
US3125745A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-04 1971-12-04 1972-06-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-04 1975-12-04 1976-06-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-04 1979-12-04 1980-06-04 $7700.00 Window Closed / Lapsed

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