DE69728248T2 - Tonerprojektionssystem - Google Patents

Tonerprojektionssystem Download PDF

Info

Publication number
DE69728248T2
DE69728248T2 DE69728248T DE69728248T DE69728248T2 DE 69728248 T2 DE69728248 T2 DE 69728248T2 DE 69728248 T DE69728248 T DE 69728248T DE 69728248 T DE69728248 T DE 69728248T DE 69728248 T2 DE69728248 T2 DE 69728248T2
Authority
DE
Germany
Prior art keywords
electrode
voltage
electrodes
toner
source
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 - Lifetime
Application number
DE69728248T
Other languages
German (de)
English (en)
Other versions
DE69728248D1 (de
Inventor
Thomas Boise Camis
C.S. Boise Chan
Gary Meridian Hanson
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
Application granted granted Critical
Publication of DE69728248D1 publication Critical patent/DE69728248D1/de
Publication of DE69728248T2 publication Critical patent/DE69728248T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
    • B41J2/41—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing
    • B41J2/415—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing by passing charged particles through a hole or a slit
    • B41J2/4155—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for electrostatic printing by passing charged particles through a hole or a slit for direct electrostatic printing [DEP]
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/34—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner
    • G03G15/344—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
    • G03G15/346—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array by modulating the powder through holes or a slit
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2217/00—Details of electrographic processes using patterns other than charge patterns
    • G03G2217/0008—Process where toner image is produced by controlling which part of the toner should move to the image- carrying member
    • G03G2217/0025—Process where toner image is produced by controlling which part of the toner should move to the image- carrying member where the toner starts moving from behind the electrode array, e.g. a mask of holes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
DE69728248T 1997-01-08 1997-06-19 Tonerprojektionssystem Expired - Lifetime DE69728248T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US780551 1985-09-26
US08/780,551 US6561628B1 (en) 1997-01-08 1997-01-08 Toner projection system

Publications (2)

Publication Number Publication Date
DE69728248D1 DE69728248D1 (de) 2004-04-29
DE69728248T2 true DE69728248T2 (de) 2005-02-03

Family

ID=25119895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69728248T Expired - Lifetime DE69728248T2 (de) 1997-01-08 1997-06-19 Tonerprojektionssystem

Country Status (4)

Country Link
US (1) US6561628B1 (https=)
EP (1) EP0854400B1 (https=)
JP (1) JP4036947B2 (https=)
DE (1) DE69728248T2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815936B2 (ja) * 2000-01-25 2006-08-30 株式会社ルネサステクノロジ Ｉｃカード
US8771802B1 (en) 2012-04-20 2014-07-08 Xactiv, Inc. Device and materials fabrication and patterning via shaped slot electrode control of direct electrostatic powder deposition
US9586216B2 (en) * 2013-10-28 2017-03-07 Achrolux Inc. Charged powder supply device
US10723138B2 (en) 2017-03-23 2020-07-28 Hewlett-Packard Development Company, L.P. Printing systems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816840A (en) * 1973-04-20 1974-06-11 Minnesota Mining & Mfg Electrographic recording process and apparatus using conductive toner subject to a capacitive force
DE3233651C2 (de) * 1981-09-11 1985-03-14 Canon K.K., Tokio/Tokyo Druckvorrichtung
US4491855A (en) * 1981-09-11 1985-01-01 Canon Kabushiki Kaisha Image recording method and apparatus
JPS612166A (ja) * 1984-06-13 1986-01-08 Konishiroku Photo Ind Co Ltd 画像記録装置
US5329307A (en) * 1991-05-21 1994-07-12 Mita Industrial Co., Ltd. Image forming apparatus and method of controlling image forming apparatus
US5453768A (en) * 1993-11-01 1995-09-26 Schmidlin; Fred W. Printing apparatus with toner projection means
JP3417625B2 (ja) * 1993-11-04 2003-06-16 ブラザー工業株式会社 画像形成装置
US5606402A (en) * 1993-12-27 1997-02-25 Sharp Kabushiki Kaisha Electrostatic image former with improved toner control grid
JP3197438B2 (ja) * 1994-11-04 2001-08-13 シャープ株式会社 カラー画像形成装置
US5717449A (en) * 1995-07-06 1998-02-10 Hewlett-Packard Company Toner projection printer with improved address electrode structure
US5867191A (en) * 1995-07-06 1999-02-02 Hewlett-Packard Company Toner projection printer with means to reduce toner spreading
EP0769384A3 (en) * 1995-10-18 1997-07-30 Hewlett Packard Co Toner ejection printing process

Also Published As

Publication number Publication date
JP4036947B2 (ja) 2008-01-23
EP0854400B1 (en) 2004-03-24
EP0854400A1 (en) 1998-07-22
US6561628B1 (en) 2003-05-13
JPH10193666A (ja) 1998-07-28
DE69728248D1 (de) 2004-04-29

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