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US3088401A Expired / Lapsed US ⏱️ 0.0 years remaining

Temporary information storage for high speed printers

Assignee: Unisys Corp
•
Filing: 1961-04-28
•
Granted: 1963-05-07
•
Expires: 1981-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 George T Shimabukuro

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:51
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/06; G06K15/07

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 175 words
IN A HIGH SPEED PRINTER WHICH INCLUDES A PLURALITY OF PRINT HAMMERS, A PRINT-INFORMATION STORAGE ARRANGEMENT COMPRISING: A PLURALITY OF MAGNETIC CORES HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTIC AND ARRANGED IN A ROW-COLUMN ARRAY, EACH CORE BEING ASSOCIATED WITH A PARTICULAR PRINT HAMMER; MEANS FOR INDEPENDENTLY SETTING EACH MAGNETIC CORE IN RESPONSE TO PRINT INFORMATION INCLUDING A PLURALITY OF COLUMN CONDUCTORS ONE ASSOCIATED WITH EACH COLUMN OF CORES AND PASSING THROUGH EACH CORE OF ITS ASSOCIATE COLUMN, A PLURALITY OF ROW CONDUCTORS ONE ASSOCIATED WITH EACH ROW AND PASSING THROUGH EACH CORE OF ITS ASSOCIATED ROW, AND MEANS FOR SELECTIVELY ENERGIZING PARTICULAR ROW AND COLUMN CONDUCTORS; A PLURALITY OF OUTPUT WINDINGS ONE WOUND AROUND EACH MAGNETIC CORE; MEANS INCLUDING A RESET CONDUCTOR PASSING THROUGH ALL MAGNETIC CORES FOR SIMULTANEOUSLY RESETTING ALL MAGNETIC CORES TO PRODUCE AN OUTPUT CURRENT IN THE OUTPUT WINDING OF EACH PREVIOUSLY SET MAGNETIC CORE TO ACTUATE PARTICULAR PRINT HAMMERS; AND MEANS COUPLED TO EACH OUTPUT WINDING FOR PROHIBITING THE ACTUATION OF THE PRINT HAMMERS UPON A SETTING OF THE MAGNETIC CORES.
Claim 2
Dependent Claim 175 words
IN A HIGH SPEED PRINTER WHICH INCLUDES A PLURALITY OF PRINT HAMMERS, A PRINT-INFORMATION STORAGE ARRANGEMENT COMPRISING: A PLURALITY OF MAGNETIC CORES HAVING A SUBSTANTIALLY RECTANGULAR HYSTERESIS CHARACTERISTIC AND ARRANGED IN A ROW-COLUMN ARRAY, EACH CORE BEING ASSOCIATED WITH A PARTICULAR PRINT HAMMER; MEANS FOR INDEPENDENTLY SETTING EACH MAGNETIC CORE IN RESPONSE TO PRINT INFORMATION INCLUDING A PLURALITY OF COLUMN CONDUCTORS ONE ASSOCIATED WITH EACH COLUMN OF CORES AND PASSING THROUGH EACH CORE OF ITS ASSOCIATE COLUMN, A PLURALITY OF ROW CONDUCTORS ONE ASSOCIATED WITH EACH ROW AND PASSING THROUGH EACH CORE OF ITS ASSOCIATED ROW, AND MEANS FOR SELECTIVELY ENERGIZING PARTICULAR ROW AND COLUMN CONDUCTORS; A PLURALITY OF OUTPUT WINDINGS ONE WOUND AROUND EACH MAGNETIC CORE; MEANS INCLUDING A RESET CONDUCTOR PASSING THROUGH ALL MAGNETIC CORES FOR SIMULTANEOUSLY RESETTING ALL MAGNETIC CORES TO PRODUCE AN OUTPUT CURRENT IN THE OUTPUT WINDING OF EACH PREVIOUSLY SET MAGNETIC CORE TO ACTUATE PARTICULAR PRINT HAMMERS; AND MEANS COUPLED TO EACH OUTPUT WINDING FOR PROHIBITING THE ACTUATION OF THE PRINT HAMMERS UPON A SETTING OF THE MAGNETIC CORES.

References Cited (Backward Citations)

US2666151A Cited
US2978977A Cited
US2964737A Cited
US2946985A Cited
US3001469A Cited
US3004172A Cited
US2915967A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-06 1966-11-05 1967-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-06 1970-11-05 1971-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-06 1974-11-05 1975-05-07 $7700.00 Window Closed / Lapsed

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