EP1211568A3 - Device and method for precisely aligning image-receiving sheets, wherein a stepper motor is driven by pulses which have a higher time resolution than the encoder signals locating the image to be transmitted - Google Patents

Device and method for precisely aligning image-receiving sheets, wherein a stepper motor is driven by pulses which have a higher time resolution than the encoder signals locating the image to be transmitted Download PDF

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Publication number
EP1211568A3
EP1211568A3 EP01124278A EP01124278A EP1211568A3 EP 1211568 A3 EP1211568 A3 EP 1211568A3 EP 01124278 A EP01124278 A EP 01124278A EP 01124278 A EP01124278 A EP 01124278A EP 1211568 A3 EP1211568 A3 EP 1211568A3
Authority
EP
European Patent Office
Prior art keywords
pulses
image
motor
drive
receiving element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01124278A
Other languages
German (de)
French (fr)
Other versions
EP1211568B1 (en
EP1211568A2 (en
Inventor
Michael T. Dobbertin
Timothy J. Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1211568A2 publication Critical patent/EP1211568A2/en
Publication of EP1211568A3 publication Critical patent/EP1211568A3/en
Application granted granted Critical
Publication of EP1211568B1 publication Critical patent/EP1211568B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G03G15/6567—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for deskewing or aligning
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6555—Handling of sheet copy material taking place in a specific part of the copy material feeding path
    • G03G15/6558—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point
    • G03G15/6561—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for sheet registration
    • G03G15/6564—Feeding path after the copy sheet preparation and up to the transfer point, e.g. registering; Deskewing; Correct timing of sheet feeding to the transfer point for sheet registration with correct timing of sheet feeding
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00556—Control of copy medium feeding
    • G03G2215/00561—Aligning or deskewing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00556—Control of copy medium feeding
    • G03G2215/00599—Timing, synchronisation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00717—Detection of physical properties
    • G03G2215/00721—Detection of physical properties of sheet position

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Handling Of Sheets (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

Vorrichtung und Verfahren zum Vorwärtsbewegen eines Empfangselements für ein in passgenau ausgerichteter Beziehung mit einem bildtragenden Element. Ein Motor (M1) ist vorgesehen, der auf Motoransteuerungsimpulse (216) anspricht. Ein Antriebselement (102) greift in das Empfangselement ein, und eine Antriebskupplung (108,114) verbindet das Antriebselement (102) und den Motor (M1) miteinander. Ein Codierer (200) erzeugt Codiererimpulse (206), die der Bewegung des bildtragenden Elements entsprechen. Ein Impulsgenerator (214) erzeugt Motoransteuerungsimpulse (216) auf grund von Codiererimpulsen (206), um das Empfangselement auf eine Geschwindigkeit zu beschleunigen, die ungefähr gleich der Bildtransportgeschwindigkeit (220) ist. Ein Zeitgebermechanismus (302) verzögert die Beschleunigung des Empfangselement auf die Bildtransportgeschwindigkeit (220) um die Dauer der Verzögerungszeit, das ist die durch die Zahl der Cordiererimpulse ausgedrückte Zeitspanne zwischen dem Erfassen der Vorderkante des Empfangselements und dem nächsten Motoransteuerungsimpuls zum Abbremsen des Motors.

Figure 00000001
Apparatus and method for advancing a receiving member for a precisely aligned relationship with an image bearing member. A motor (M 1 ) is provided which is responsive to motor control pulses (216). A drive element (102) engages in the receiving element, and a drive coupling (108, 114) connects the drive element (102) and the motor (M 1 ) to one another. An encoder (200) generates encoder pulses (206) which correspond to the movement of the image bearing element. A pulse generator (214) generates motor drive pulses (216) based on encoder pulses (206) to accelerate the receiving element to a speed approximately equal to the image transport speed (220). A timer mechanism (302) delays the acceleration of the receiving element to the image transport speed (220) by the duration of the delay time, that is the time period, expressed by the number of cordier pulses, between the detection of the leading edge of the receiving element and the next motor drive pulse for braking the motor.
Figure 00000001
EP01124278A 2000-10-27 2001-10-18 Device and method for precisely aligning image-receiving sheets, wherein a stepper motor is driven by pulses which have a higher time resolution than the encoder signals locating the image to be transmitted Expired - Lifetime EP1211568B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US698512 1985-02-04
US09/698,512 US6641134B1 (en) 2000-10-27 2000-10-27 System and method for improved registration performance

Publications (3)

Publication Number Publication Date
EP1211568A2 EP1211568A2 (en) 2002-06-05
EP1211568A3 true EP1211568A3 (en) 2002-06-26
EP1211568B1 EP1211568B1 (en) 2005-09-07

Family

ID=24805577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01124278A Expired - Lifetime EP1211568B1 (en) 2000-10-27 2001-10-18 Device and method for precisely aligning image-receiving sheets, wherein a stepper motor is driven by pulses which have a higher time resolution than the encoder signals locating the image to be transmitted

Country Status (5)

Country Link
US (1) US6641134B1 (en)
EP (1) EP1211568B1 (en)
JP (1) JP3949929B2 (en)
CA (1) CA2359016A1 (en)
DE (2) DE10151489A1 (en)

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US6951335B2 (en) * 2002-10-29 2005-10-04 Hewlett-Packard Development Company, L.P. Reciprocating linear encoder
US7662745B2 (en) 2003-12-18 2010-02-16 Kimberly-Clark Corporation Stretchable absorbent composites having high permeability
US7174123B1 (en) * 2003-12-19 2007-02-06 Cartridge Corporation Of America, Inc. Rigid agitator and shaft assembly
US7343108B2 (en) * 2004-05-05 2008-03-11 Eastman Kodak Company Apparatus and process for altering timing in an electrographic printer
US7243917B2 (en) * 2004-05-27 2007-07-17 Xerox Corporation Print media registration using active tracking of idler rotation
US7772456B2 (en) 2004-06-30 2010-08-10 Kimberly-Clark Worldwide, Inc. Stretchable absorbent composite with low superaborbent shake-out
US7938813B2 (en) 2004-06-30 2011-05-10 Kimberly-Clark Worldwide, Inc. Absorbent article having shaped absorbent core formed on a substrate
JP4645184B2 (en) * 2004-12-17 2011-03-09 ブラザー工業株式会社 Recording medium conveying method and image recording apparatus
US20060173433A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
US20060173431A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
US20060173432A1 (en) 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
JP4342461B2 (en) * 2005-03-10 2009-10-14 株式会社東芝 Image forming apparatus
JP4468844B2 (en) * 2005-03-10 2010-05-26 株式会社東芝 Image forming apparatus and sheet conveying method
JP4429939B2 (en) * 2005-03-10 2010-03-10 株式会社東芝 Image forming apparatus
JP4401986B2 (en) * 2005-03-10 2010-01-20 株式会社東芝 Image forming apparatus and sheet conveying method
JP4440146B2 (en) * 2005-03-10 2010-03-24 株式会社東芝 Image forming apparatus
US7871401B2 (en) * 2005-04-29 2011-01-18 Kimberly-Clark Worldwide, Inc. Absorbent article with improved fit
US20060246272A1 (en) * 2005-04-29 2006-11-02 Zhang Xiaomin X Thermoplastic foam composite
US7737322B2 (en) * 2005-12-21 2010-06-15 Kimberly-Clark Worldwide, Inc. Personal care products with microchemical sensors for odor detection
US7595734B2 (en) * 2006-04-26 2009-09-29 Kimberly-Clark Worldwide, Inc. Wetness monitoring systems with power management
US7489252B2 (en) * 2006-04-26 2009-02-10 Kimberly-Clark Worldwide, Inc. Wetness monitoring systems with status notification system
US20080052030A1 (en) * 2006-08-22 2008-02-28 Kimberly-Clark Worldwide, Inc. Method of predicting an incontinent event
US7449614B2 (en) * 2006-08-29 2008-11-11 Kimberly-Clark Worldwide, Inc. Absorbent articles including a monitoring system powered by ambient energy
US7504550B2 (en) * 2006-08-31 2009-03-17 Kimberly-Clark Worldwide, Inc. Conductive porous materials
US20080057693A1 (en) * 2006-08-31 2008-03-06 Kimberly-Clark Worldwide, Inc. Electrical conductivity bridge in a conductive multilayer article
US7834235B2 (en) * 2006-08-31 2010-11-16 Kimberly-Clark Worldwide, Inc. System for interactively training a child and a caregiver to assist the child to overcome bedwetting
US20080058747A1 (en) * 2006-08-31 2008-03-06 Arvinder Pal Singh Kainth Absorbent articles comprising superabsorbent polymers having superior properties
US20080054408A1 (en) * 2006-08-31 2008-03-06 Kimberly-Clark Worldwide, Inc. Conduction through a flexible substrate in an article
JP2008087916A (en) * 2006-10-02 2008-04-17 Sharp Corp Sheet conveying device
US20080082069A1 (en) * 2006-10-02 2008-04-03 Jian Qin Absorbent articles comprising carboxyalkyl cellulose fibers having non-permanent and temporary crosslinks
US20080082068A1 (en) * 2006-10-02 2008-04-03 Jian Qin Absorbent articles comprising carboxyalkyl cellulose fibers having permanent and non-permanent crosslinks
US7935860B2 (en) 2007-03-23 2011-05-03 Kimberly-Clark Worldwide, Inc. Absorbent articles comprising high permeability superabsorbent polymer compositions
JP5260886B2 (en) * 2007-04-27 2013-08-14 株式会社Ｐｆｕ Sheet feeding device
US8383877B2 (en) 2007-04-28 2013-02-26 Kimberly-Clark Worldwide, Inc. Absorbent composites exhibiting stepped capacity behavior
US8039683B2 (en) * 2007-10-15 2011-10-18 Kimberly-Clark Worldwide, Inc. Absorbent composites having improved fluid wicking and web integrity
US8181957B2 (en) * 2008-07-17 2012-05-22 Kabushiki Kaisha Toshiba Sheet conveying apparatus and sheet conveying method
JP2010095367A (en) * 2008-10-17 2010-04-30 Pfu Ltd Sheet feeder and medium detection method
JP5209443B2 (en) * 2008-11-04 2013-06-12 株式会社小森コーポレーション Drive control method and drive control apparatus for processing machine
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US5278624A (en) * 1992-07-07 1994-01-11 Xerox Corporation Differential drive for sheet registration drive rolls with skew detection
US5322273A (en) * 1993-05-18 1994-06-21 Eastman Kodak Company Sheet registration mechanism
US5731680A (en) * 1995-06-29 1998-03-24 Eastman Kodak Company Method and apparatus for registering a sheet with an image-bearing member
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US4519700A (en) * 1983-12-28 1985-05-28 International Business Machines Corporation Electronically gated paper aligner system
US5278624A (en) * 1992-07-07 1994-01-11 Xerox Corporation Differential drive for sheet registration drive rolls with skew detection
US5322273A (en) * 1993-05-18 1994-06-21 Eastman Kodak Company Sheet registration mechanism
US5731680A (en) * 1995-06-29 1998-03-24 Eastman Kodak Company Method and apparatus for registering a sheet with an image-bearing member
DE19845353A1 (en) * 1998-10-02 2000-04-13 Motion Ges Fuer Antriebstechni Engine speed control device

Also Published As

Publication number Publication date
DE50107351D1 (en) 2005-10-13
JP3949929B2 (en) 2007-07-25
JP2002205431A (en) 2002-07-23
EP1211568B1 (en) 2005-09-07
EP1211568A2 (en) 2002-06-05
CA2359016A1 (en) 2002-04-27
US6641134B1 (en) 2003-11-04
DE10151489A1 (en) 2002-05-08

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