DE60216452D1 - Bilderzeugungsgerät mit einer überwachung der kapazität und des widerstandes eines kopiermediums - Google Patents

Bilderzeugungsgerät mit einer überwachung der kapazität und des widerstandes eines kopiermediums

Info

Publication number
DE60216452D1
DE60216452D1 DE60216452T DE60216452T DE60216452D1 DE 60216452 D1 DE60216452 D1 DE 60216452D1 DE 60216452 T DE60216452 T DE 60216452T DE 60216452 T DE60216452 T DE 60216452T DE 60216452 D1 DE60216452 D1 DE 60216452D1
Authority
DE
Germany
Prior art keywords
monitoring
capacity
resistance
picture generator
copy medium
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.)
Expired - Fee Related
Application number
DE60216452T
Other languages
English (en)
Other versions
DE60216452T2 (de
Inventor
S Weaver
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE60216452D1 publication Critical patent/DE60216452D1/de
Application granted granted Critical
Publication of DE60216452T2 publication Critical patent/DE60216452T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/50Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5029Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the copy material characteristics, e.g. weight, thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/14Roller pairs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/70Electrical or magnetic properties, e.g. electric power or current
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/00362Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535Stable handling of copy medium
    • G03G2215/00611Detector details, e.g. optical detector
    • G03G2215/00632Electric detector, e.g. of voltage or current
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/00362Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535Stable handling of copy medium
    • G03G2215/00717Detection of physical properties
    • G03G2215/00763Detection of physical properties of sheet resistivity
DE60216452T 2001-05-11 2002-05-01 Bilderzeugungsgerät mit einer überwachung der kapazität und des widerstandes eines kopiermediums Expired - Fee Related DE60216452T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US854320 2001-05-11
US09/854,320 US6493523B2 (en) 2001-05-11 2001-05-11 Capacitance and resistance monitor for image producing device
PCT/US2002/013712 WO2002093268A1 (en) 2001-05-11 2002-05-01 Capacitance and resistance monitor of a copy medium in an image producing device

Publications (2)

Publication Number Publication Date
DE60216452D1 true DE60216452D1 (de) 2007-01-11
DE60216452T2 DE60216452T2 (de) 2007-09-27

Family

ID=25318357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60216452T Expired - Fee Related DE60216452T2 (de) 2001-05-11 2002-05-01 Bilderzeugungsgerät mit einer überwachung der kapazität und des widerstandes eines kopiermediums

Country Status (5)

Country Link
US (1) US6493523B2 (de)
EP (1) EP1395880B1 (de)
JP (1) JP2005515480A (de)
DE (1) DE60216452T2 (de)
WO (1) WO2002093268A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100428545B1 (ko) * 2001-12-29 2004-04-29 삼성전자주식회사 용지종류 감별기능을 갖는 화상형성장치 및 그 구동제어방법
US6836624B2 (en) * 2002-10-18 2004-12-28 Kabushiki Kaisha Toshiba Image forming apparatus that detects a conveying load for conveying a sheet
JP4454222B2 (ja) * 2002-12-06 2010-04-21 シャープ株式会社 用紙搬送装置及び用紙搬送方法
DE10259190B3 (de) * 2002-12-18 2004-05-13 Heidelberger Druckmaschinen Ag Vorrichtung und Verfahren zum Unterscheiden von flachen Objekten
US7193380B2 (en) 2003-06-13 2007-03-20 Lexmark International, Inc. Method for rotating a printer paper-feed roller
KR100611984B1 (ko) * 2004-07-19 2006-08-11 삼성전자주식회사 프린터의 정착 제어 방법 및 장치
KR101280043B1 (ko) * 2006-09-13 2013-07-01 삼성전자주식회사 전사장치 및 이를 구비한 화상형성장치와, 화상형성장치의용지 또는 전사벨트의 저항 측정방법
KR101547472B1 (ko) * 2009-01-07 2015-09-04 삼성전자 주식회사 화상형성장치 및 그 제어방법
US20110311253A1 (en) * 2010-06-21 2011-12-22 Toshiba Tec Kabushiki Kaisha Image forming apparatus and image formation processing method
US8737854B2 (en) * 2012-03-27 2014-05-27 Eastman Kodak Company Printing system with receiver capacitance estimation
US8854056B1 (en) 2012-09-13 2014-10-07 Cypress Semiconductor Corporation Capacitance sensing devices and methods
EP3230803B1 (de) 2015-04-24 2019-11-13 HP Indigo B.V. Aufladerollenpositionierung
JP6953826B2 (ja) * 2017-06-22 2021-10-27 コニカミノルタ株式会社 画像形成装置
JP2019060952A (ja) * 2017-09-25 2019-04-18 コニカミノルタ株式会社 画像形成装置
CN113341668B (zh) * 2021-06-23 2022-09-09 南京辰光融信技术有限公司 基于打印基材检测的打印质量自适应调整的激光打印机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715656A (en) * 1971-05-27 1973-02-06 Ici Ltd Method and apparatus for measuring the charge-time response of materials by applying a voltage step across the same
JPS5357042A (en) * 1976-11-02 1978-05-24 Fuji Xerox Co Ltd Trasfer control device
US4610530A (en) * 1984-12-21 1986-09-09 Xerox Corporation Capacitive paper property sensor for copying apparatus
US4791353A (en) * 1987-08-14 1988-12-13 Impact Systems, Inc. Scanning combination thickness and moisture gauge for moving sheet material
US5274334A (en) * 1989-12-18 1993-12-28 Honeywell Inc. Calibrated physical parameter value measurement system
US5682575A (en) * 1993-10-08 1997-10-28 Oki Electric Industry Co., Ltd. Electrophotographic recording apparatus having transfer voltage control device
JPH07175350A (ja) * 1993-12-20 1995-07-14 Konica Corp 画像形成装置
JP3014576B2 (ja) * 1994-02-04 2000-02-28 シャープ株式会社 記録媒体認識装置
US5799226A (en) * 1996-06-21 1998-08-25 Konica Corporation Electrostatic image forming apparatus with transfer controls for different imaging modes
US6058275A (en) * 1996-11-14 2000-05-02 Minolta Co., Ltd. Image forming apparatus with controller for controlling image forming conditions according to electrostatic capacitance of standard toner image
KR100317997B1 (ko) 1999-01-11 2001-12-22 윤종용 레이저 빔 프린터의 용지 고유저항에 따른 전사전압 제어 방법
US6157793A (en) * 1999-07-06 2000-12-05 Hewlett-Packard Company Image forming devices and sensors configured to monitor media, and methods of forming an image upon media

Also Published As

Publication number Publication date
EP1395880A1 (de) 2004-03-10
US20020168193A1 (en) 2002-11-14
WO2002093268A1 (en) 2002-11-21
EP1395880B1 (de) 2006-11-29
US6493523B2 (en) 2002-12-10
JP2005515480A (ja) 2005-05-26
DE60216452T2 (de) 2007-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee