US3088401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temporary information storage for high speed printers
Assignee: Unisys Corp
•
Filing: 1961-04-28
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Granted: 1963-05-07
•
Expires: 1981-04-28
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)
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US2964737A
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US2946985A
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US3001469A
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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 |