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US3248528A Expired / Lapsed US ⏱️ 0.0 years remaining

Simple general purpose digital computer

Assignee: Litton Industries of California
•
Filing: 1958-07-25
•
Granted: 1966-04-26
•
Expires: 1978-07-25
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Abstract

No abstract record available.

Inventors

  • 👤 Campeau Joseph Ovid

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:49
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 229 words
A DIGITAL COMPUTER COMPRISING: A FIRST CYCLICALLY OPERABLE MEMORY DEVICE INCLUDING A RELATIVELY SHORT INFORMATION STORAGE LOOP FOR STORING DIGITAL INFORMATION SIGNALS TO BE OPERATED UPON AND A FIRST READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID LOOP; A SECOND CYCLICALLY OPERABLE MEMORY DEVICE OPERABLE IN SYNCHRONISM WITH SAID FIRST DEVICE, SAID SECOND DEVICE INCLUDING A RELATIVELY LONG INFORMATION STORAGE LOOP FOR STORING DIGITAL INFORMATION SIGNALS AND INSTRUCTION SIGNALS TO BE OPERATED UPON AND A SECOND READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID LONG LOOP; A THIRD CYCLICALLY OPERABLE MEMORY DEVICE OPERABLE IN SYNCHRONISM WITH SAID FIRST AND SECOND DEVICES, SAID THIRD DEVICE INCLUDING A RELATIVELY LONG PROGRAM LOOP FOR STORING PROGRAM SIGNAL COMBINATIONS, EACH COMBINATION REPRESENTING LOGICAL OPERATIONS UPON AT LEAST TWO CONCURRENT DIGITAL SIGNALS, AND A THIRD READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID PROGRAM LOOP; AND AN OPERATING CIRCUIT CONNECTED TO SAID FIRST, SECOND AND THIRD READ STATIONS AND RESPONSIVE TO EACH PROGRAM SIGNAL COMBINATION PRESENTED AT SAID THIRD READ STATION TO OPERATE ON THE SIGNALS SIMULTANEOUSLY PRESENTED AT SAID FIRST AND SECOND READ STATIONS FOR PRODUCING CORRESPONDING RESULT SIGNALS IN ACCORDANCE WITH THE LOGICAL OPERATIONS REPRESENTED BY THE PROGRAM SIGNAL COMBINATION, AND INCLUDING MEANS FOR APPLYING SAID RESULT SIGNALS TO SAID FIRST AND SECOND MEMORY DEVICES FOR STORAGE IN SAID SHORT AND LONG INFORMATION STORAGE LOOPS RESPECTIVELY.
Claim 2
Dependent Claim 229 words
A DIGITAL COMPUTER COMPRISING: A FIRST CYCLICALLY OPERABLE MEMORY DEVICE INCLUDING A RELATIVELY SHORT INFORMATION STORAGE LOOP FOR STORING DIGITAL INFORMATION SIGNALS TO BE OPERATED UPON AND A FIRST READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID LOOP; A SECOND CYCLICALLY OPERABLE MEMORY DEVICE OPERABLE IN SYNCHRONISM WITH SAID FIRST DEVICE, SAID SECOND DEVICE INCLUDING A RELATIVELY LONG INFORMATION STORAGE LOOP FOR STORING DIGITAL INFORMATION SIGNALS AND INSTRUCTION SIGNALS TO BE OPERATED UPON AND A SECOND READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID LONG LOOP; A THIRD CYCLICALLY OPERABLE MEMORY DEVICE OPERABLE IN SYNCHRONISM WITH SAID FIRST AND SECOND DEVICES, SAID THIRD DEVICE INCLUDING A RELATIVELY LONG PROGRAM LOOP FOR STORING PROGRAM SIGNAL COMBINATIONS, EACH COMBINATION REPRESENTING LOGICAL OPERATIONS UPON AT LEAST TWO CONCURRENT DIGITAL SIGNALS, AND A THIRD READ STATION FOR SERIALLY PRESENTING THE SIGNALS STORED IN SAID PROGRAM LOOP; AND AN OPERATING CIRCUIT CONNECTED TO SAID FIRST, SECOND AND THIRD READ STATIONS AND RESPONSIVE TO EACH PROGRAM SIGNAL COMBINATION PRESENTED AT SAID THIRD READ STATION TO OPERATE ON THE SIGNALS SIMULTANEOUSLY PRESENTED AT SAID FIRST AND SECOND READ STATIONS FOR PRODUCING CORRESPONDING RESULT SIGNALS IN ACCORDANCE WITH THE LOGICAL OPERATIONS REPRESENTED BY THE PROGRAM SIGNAL COMBINATION, AND INCLUDING MEANS FOR APPLYING SAID RESULT SIGNALS TO SAID FIRST AND SECOND MEMORY DEVICES FOR STORAGE IN SAID SHORT AND LONG INFORMATION STORAGE LOOPS RESPECTIVELY.

References Cited (Backward Citations)

US2739299A Cited
US2850232A Cited
US2974867A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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