ES410171A1 - Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos. - Google Patents

Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos.

Info

Publication number
ES410171A1
ES410171A1 ES410171A ES410171A ES410171A1 ES 410171 A1 ES410171 A1 ES 410171A1 ES 410171 A ES410171 A ES 410171A ES 410171 A ES410171 A ES 410171A ES 410171 A1 ES410171 A1 ES 410171A1
Authority
ES
Spain
Prior art keywords
toner
polarity
positive
negative
deposited
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
Application number
ES410171A
Other languages
English (en)
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of ES410171A1 publication Critical patent/ES410171A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/097Plasticisers; Charge controlling agents
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/10Developers with toner particles characterised by carrier particles
    • G03G9/107Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075Structural characteristics of the carrier particles, e.g. shape or crystallographic structure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
ES410171A 1971-12-30 1972-12-29 Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos. Expired ES410171A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21449171A 1971-12-30 1971-12-30
US274394A US3926824A (en) 1971-12-30 1972-07-24 Electrostatographic developer composition

Publications (1)

Publication Number Publication Date
ES410171A1 true ES410171A1 (es) 1976-07-01

Family

ID=26909057

Family Applications (1)

Application Number Title Priority Date Filing Date
ES410171A Expired ES410171A1 (es) 1971-12-30 1972-12-29 Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos.

Country Status (13)

Country Link
US (1) US3926824A (es)
JP (1) JPS4878932A (es)
AR (1) AR192480A1 (es)
AU (1) AU466319B2 (es)
BE (1) BE793098A (es)
CA (1) CA985552A (es)
DE (1) DE2253409A1 (es)
ES (1) ES410171A1 (es)
FR (1) FR2170490A5 (es)
GB (1) GB1417179A (es)
IT (1) IT973327B (es)
NL (1) NL7217694A (es)
SE (1) SE383931B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341231A (en) * 1976-09-28 1978-04-14 Nippon Telegr & Teleph Corp <Ntt> Electret toner of two-ingredient system
JPS5391744A (en) * 1977-01-22 1978-08-11 Nippon Telegr & Teleph Corp <Ntt> Manufacture of binary electret toner
JPS5811621B2 (ja) * 1978-03-09 1983-03-03 ミノルタ株式会社 複写方法
JPS5911113B2 (ja) * 1979-04-20 1984-03-13 富士通株式会社 電子写真式記録装置
JPS5624359A (en) 1979-08-02 1981-03-07 Ricoh Co Ltd Dry type binary developer for two-color electrophotography
US4562130A (en) * 1982-09-28 1985-12-31 Minolta Camera Kabushiki Kaisha Method of forming composite images
DE3684242D1 (de) * 1985-11-19 1992-04-16 Canon Kk Trockener magnetischer entwickler.
US4947201A (en) * 1988-06-06 1990-08-07 Spectrum Sciences Imaging system
US4966824A (en) * 1988-06-06 1990-10-30 Spectrum Sciences Liquid toner composition containing two different charge directors
US4912005A (en) * 1989-01-26 1990-03-27 Xerox Corporation Toner and developer compositions with conductive carrier components

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940934A (en) * 1953-06-22 1960-06-14 Haloid Xerox Inc Electrostatic developer composition and method therefor
US2890968A (en) * 1955-06-02 1959-06-16 Rca Corp Electrostatic printing process and developer composition therefor
BE594137A (es) * 1959-08-17
US3533835A (en) * 1966-10-11 1970-10-13 Xerox Corp Electrostatographic developer mixture

Also Published As

Publication number Publication date
AU466319B2 (en) 1974-07-04
JPS4878932A (es) 1973-10-23
CA985552A (en) 1976-03-16
SE383931B (sv) 1976-04-05
AR192480A1 (es) 1973-02-21
GB1417179A (en) 1975-12-10
NL7217694A (es) 1973-07-03
BE793098A (fr) 1973-06-20
FR2170490A5 (es) 1973-09-14
AU5063672A (en) 1974-07-04
US3926824A (en) 1975-12-16
DE2253409A1 (de) 1973-07-05
IT973327B (it) 1974-06-10

Similar Documents

Publication Publication Date Title
GB1317283A (en) Electrophotography
GB1314087A (en) Electrophotographic copying machine
JPS5265443A (en) Magnetic brush development of electrostatic latent image
GB1282808A (en) Apparatus for creating duplex reproductions by electrophotography
GB1412249A (en) Copying method and apparatus
ES410171A1 (es) Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos.
ES410211A1 (es) Un procedimiento para la produccion de una copia a partir de un documento original.
GB1009867A (en) Xerographic copying machine
GB1141748A (en) Liquid developer composition for electrostatic images
GB1495429A (en) Multiple development method and apparatus for electrophotographic copiers
ES8202162A1 (es) Un sistema de copia perfeccionado y correspondiente metodo de producir copias de un original.
ES409918A1 (es) Un metodo para la obtencion de una copia a partir de un do-cumento original.
GB1419725A (en) Copying machines
GB1323581A (en) Electrophotographic copying apparatus
GB1017682A (en) Improvements in xerography
JPS5267640A (en) Method for developing charge latent image in electronic photography
ES409975A1 (es) Un metodo de reproduccion xerografica y su correspondiente aparato electrostatografico.
JPS5389432A (en) Electrophotography
ES421553A1 (es) Un procedimiento para hacer copias electrofotograficas.
ES448216A1 (es) Perfeccionamientos introducidos en un aparato electrofoto- grafico.
JPS56143467A (en) Copying apparatus
JPS5412754A (en) Photosensitive screen
ES450107A1 (es) Un procedimiento para producir una copia de un documento o- riginal.
ES421381A1 (es) Procedimiento para hacer copias de un original grafico.
ES392720A1 (es) Un metodo de copia electrofotografica.