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US3606118A Expired / Lapsed US ⏱️ 0.0 years remaining

Web driving system with control circuit for high speed slewing

Assignee: Unisys Corp
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Filing: 1970-02-12
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Granted: 1971-09-20
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Expires: 1990-02-12
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Abstract

Abstract A CONTROL CIRCUIT FOR A HIGH SPEED WEB DRIVING SYTEM INCLUDES A PLURAL STRAGE SHIFT REGISTER FOR RECEICING GROUPS OF CODED VERTICAL FORMAT SIGNALS, AND A FIRST DECODER FOR DECODING EACH GROUP OF CODED SIGNALS STORED IN THE REGISTER AND DETERMINING PRESENCE OF STOP CODE IN THE REGISTER, TO CAUSE GENERATION OF A CONTROL SIGNAL FOR ADVANCEMENT OF WEB SPEED FROM LOW SPEED SLEW TO HIGH SPEED SLEW WHEN NO STOP CODE IS IN THE REGISTER. A SECOND DECODER DECODES THE CODED GROUP AT A PREDETERMINED STAGE OF THE REGISTER TO DETERMINE PRESENCE OF A STOP CODE A PREDETER- MINED NUMBER OF LINES FROM THE STROP POSITION ON THE WEB, AND EFFECTS DECELERTION OF THE WEB FROM HIGH SPEED SLEW TO LOW SPEED SLEW UPON DECODING OF A STOP CODE THEREAT.

Inventors

  • 👤 Sebastian W Piccione

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:05
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42; B41J11/44; B41J11/26; B41J11/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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