← Back to Patent Explorer
US3118133A Expired / Lapsed US ⏱️ 0.0 years remaining

Information storage matrix utilizing a dielectric of pressure changeable permittivity

Assignee: AT&T Inc
•
Filing: 1960-04-05
•
Granted: 1964-01-14
•
Expires: 1980-04-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thrygve R Meeker
  • 👤 Henry L Stadler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:49
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A PLURALITY OF CAPACITORS EACH HAVING A PAIR OF ELECTRODES SEPARATED BY A DIELECTRIC MATERIAL OF PRESSURE CHANGEABLE PERMITTIVITY, MEANS FOR STORING INFORMATION IN SAID PLURALITY OF CAPACITORS, SAID MEANS INCLUDING STRUCTURAL MEANS COMMON TO SAID PLURALITY OF CAPACITORS FOR APPLYING PRESELECTED PRESSURES TO THE DIELECTRIC MATERIAL OF PARTICULAR ONES OF SAID PLURALITY OF CAPACITORS IN ACCORDANCE WITH INFORMATION DESIRED TO BE STORED CORRESPONDINGLY TO CHANGE THE PERMITTIVITY OF THE DIELECTRIC OF SAID CAPACITORS AND THEREBY TO ESTABLISH AT LEAST TWO LEVELS OF CAPACITANCES IN SAID PLURALITY OF CAPACITORS, SAID STRUCTURAL MEANS FURTHER INCLUDING CHANGEABLE CARD MEANS FOR GOVERNING THE AMOUNT OF PRESSURE APPLIED TO THE DIELECTRICS OF SAID CAPACITORS, AND MEANS FOR READING OUT SAID STORED INFORMATION AT DIFFERENT LEVELS OF PERMITTIVITY BY SENSING LEVELS OF CAPACITANCES BETWEEN SAID PAIRS OF ELECTRODES OF SAID PLURALITY OF CAPACITORS, SAID SENSING MEANS INCLUDING MEANS FOR APPLYING A PREDETERMINED PULSE TO SAID PAIRS OF ELEC-
Claim 2
Dependent Claim 158 words
AN INFORMATION STORAGE ARRANGEMENT COMPRISING A PLURALITY OF CAPACITORS EACH HAVING A PAIR OF ELECTRODES SEPARATED BY A DIELECTRIC MATERIAL OF PRESSURE CHANGEABLE PERMITTIVITY, MEANS FOR STORING INFORMATION IN SAID PLURALITY OF CAPACITORS, SAID MEANS INCLUDING STRUCTURAL MEANS COMMON TO SAID PLURALITY OF CAPACITORS FOR APPLYING PRESELECTED PRESSURES TO THE DIELECTRIC MATERIAL OF PARTICULAR ONES OF SAID PLURALITY OF CAPACITORS IN ACCORDANCE WITH INFORMATION DESIRED TO BE STORED CORRESPONDINGLY TO CHANGE THE PERMITTIVITY OF THE DIELECTRIC OF SAID CAPACITORS AND THEREBY TO ESTABLISH AT LEAST TWO LEVELS OF CAPACITANCES IN SAID PLURALITY OF CAPACITORS, SAID STRUCTURAL MEANS FURTHER INCLUDING CHANGEABLE CARD MEANS FOR GOVERNING THE AMOUNT OF PRESSURE APPLIED TO THE DIELECTRICS OF SAID CAPACITORS, AND MEANS FOR READING OUT SAID STORED INFORMATION AT DIFFERENT LEVELS OF PERMITTIVITY BY SENSING LEVELS OF CAPACITANCES BETWEEN SAID PAIRS OF ELECTRODES OF SAID PLURALITY OF CAPACITORS, SAID SENSING MEANS INCLUDING MEANS FOR APPLYING A PREDETERMINED PULSE TO SAID PAIRS OF ELEC-

References Cited (Backward Citations)

US2725548A Cited
US2872664A Cited
US2924970A Cited
US2907984A Cited
US3003143A Cited
US3011156A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-13 1967-07-15 1968-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-13 1971-07-15 1972-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-13 1975-07-15 1976-01-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag