HK1001503A1 - Magnetic developer electrophotographic apparatus and recognition method of magnetic ink character - Google Patents

Magnetic developer electrophotographic apparatus and recognition method of magnetic ink character

Info

Publication number
HK1001503A1
HK1001503A1 HK98100462A HK98100462A HK1001503A1 HK 1001503 A1 HK1001503 A1 HK 1001503A1 HK 98100462 A HK98100462 A HK 98100462A HK 98100462 A HK98100462 A HK 98100462A HK 1001503 A1 HK1001503 A1 HK 1001503A1
Authority
HK
Hong Kong
Prior art keywords
magnetic
recognition method
electrophotographic apparatus
ink character
developer electrophotographic
Prior art date
Application number
HK98100462A
Other languages
English (en)
Inventor
Satoshi Matsunaga
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of HK1001503A1 publication Critical patent/HK1001503A1/xx

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0835—Magnetic parameters of the magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0834—Non-magnetic inorganic compounds chemically incorporated in magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0836—Other physical parameters of the magnetic components
HK98100462A 1990-07-27 1998-01-20 Magnetic developer electrophotographic apparatus and recognition method of magnetic ink character HK1001503A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP19975290 1990-07-27
JP19975190 1990-07-27
JP26503890 1990-10-04
JP26504390 1990-10-04
JP26503790 1990-10-04

Publications (1)

Publication Number Publication Date
HK1001503A1 true HK1001503A1 (en) 1998-06-19

Family

ID=27529222

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100462A HK1001503A1 (en) 1990-07-27 1998-01-20 Magnetic developer electrophotographic apparatus and recognition method of magnetic ink character

Country Status (4)

Country Link
US (1) US5411830A (de)
EP (1) EP0468525B1 (de)
DE (1) DE69128262T2 (de)
HK (1) HK1001503A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69316086T2 (de) * 1992-05-25 1998-05-20 Canon Kk Magnetischer Entwickler und Verfahren zur Erkennung von Zeichen aus magnetischer Tinte
EP0593052B1 (de) * 1992-10-15 1998-01-21 Canon Kabushiki Kaisha Magnetischer Entwickler für die Entwicklung elektrostatischer Bilder
US5508139A (en) * 1993-03-25 1996-04-16 Canon Kabushiki Kaisha Magnetic toner for developing electrostatic image
US5599627A (en) * 1993-10-08 1997-02-04 Toda Kogyo Corporation Magnetic particles comprising magnetite core and process for producing the same
ATE178722T1 (de) * 1993-10-08 1999-04-15 Canon Kk Magnetischer entwickler, prozesskassette und bildherstellungsverfahren
US6002895A (en) * 1994-05-13 1999-12-14 Canon Kabushiki Kaisha Process cartridge
DE69511328T2 (de) * 1994-05-13 2000-03-30 Canon Kk Toner zur Entwicklung elektrostatischer Bilder, Prozesskassette und Bilderzeugungsverfahren
EP0851307B1 (de) 1996-12-26 2005-04-27 Canon Kabushiki Kaisha Magnetischer Toner, Herstellungsverfahren für magnetische Toner, und Bildherstellungsverfahren
DE69819997T2 (de) * 1997-09-25 2004-10-07 Canon Kk Magnetischer Toner und dessen Anwendung in einem Bildherstellungsverfahren und in einer Prozesskassette
JP2004107834A (ja) * 2002-09-19 2004-04-08 Fuji Photo Film Co Ltd 粉体塗布型支持体の製造方法及び粉体塗布型支持体
US20040081904A1 (en) * 2002-09-24 2004-04-29 Brother Kogyo Kabushiki Kaisha Electrostatic developing toner
JP4018495B2 (ja) * 2002-09-27 2007-12-05 キヤノン株式会社 乾式トナー
US7094513B2 (en) * 2002-12-06 2006-08-22 Orient Chemical Industries, Ltd. Charge control agent and toner for electrostatic image development
JP4290030B2 (ja) * 2004-02-09 2009-07-01 株式会社リコー 製鋼ダストを用いた精錬材の造粒方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS597379A (ja) * 1982-07-05 1984-01-14 Canon Inc 記録装置
JPS59204846A (ja) * 1983-05-09 1984-11-20 Canon Inc 磁性トナ−
US4517268A (en) * 1983-09-12 1985-05-14 Xerox Corporation Process for magnetic image character recognition
DE3432224A1 (de) * 1984-09-01 1986-03-13 Bayer Ag, 5090 Leverkusen Hoeherkoerzitive isometrische eisenoxide, verfahren zu ihrer herstellung sowie deren verwendung
JPH0810341B2 (ja) * 1986-05-28 1996-01-31 キヤノン株式会社 磁性トナ−
FR2605011B1 (fr) * 1986-10-10 1988-12-30 Rhone Poulenc Chimie Pigments colores, notamment pigments magnetiques, leurs procedes de preparation et leurs applications, notamment a la preparation de poudres de developpement.
JPH0827551B2 (ja) * 1986-10-27 1996-03-21 キヤノン株式会社 絶縁性磁性カプセルトナ−
US5110658A (en) * 1987-10-19 1992-05-05 Konica Corporation Magnetic recording medium
DE3803940A1 (de) * 1988-02-10 1989-08-24 Bayer Ag Neue oxidationsstabile hitzebestaendige eisenoxidschwarzpigmente, verfahren zu ihrer herstellung sowie deren verwendung
EP0427199A3 (en) * 1989-11-08 1991-06-05 Eastman Kodak Company Two-component magnetic developer for magnetic image character recognition

Also Published As

Publication number Publication date
DE69128262D1 (de) 1998-01-08
DE69128262T2 (de) 1998-04-16
EP0468525B1 (de) 1997-11-26
EP0468525A1 (de) 1992-01-29
US5411830A (en) 1995-05-02

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100726