JPS53115238A - Two-color electrophotographic copying method - Google Patents

Two-color electrophotographic copying method

Info

Publication number
JPS53115238A
JPS53115238A JP2945677A JP2945677A JPS53115238A JP S53115238 A JPS53115238 A JP S53115238A JP 2945677 A JP2945677 A JP 2945677A JP 2945677 A JP2945677 A JP 2945677A JP S53115238 A JPS53115238 A JP S53115238A
Authority
JP
Japan
Prior art keywords
electrophotographic copying
color electrophotographic
copying method
color
developing
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.)
Pending
Application number
JP2945677A
Other languages
Japanese (ja)
Inventor
Nobuo Mochizuki
Hiroki Izumi
Hajime Koyama
Teruyuki Onuma
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2945677A priority Critical patent/JPS53115238A/en
Publication of JPS53115238A publication Critical patent/JPS53115238A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To carry out two-copying without recouse to the color separation of color information by developing a photo-conductive photosensitive body provided with the photo-image two-color orginal document two times repeatedly with the developing method of differect developing threshold potentials.
JP2945677A 1977-03-17 1977-03-17 Two-color electrophotographic copying method Pending JPS53115238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2945677A JPS53115238A (en) 1977-03-17 1977-03-17 Two-color electrophotographic copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2945677A JPS53115238A (en) 1977-03-17 1977-03-17 Two-color electrophotographic copying method

Publications (1)

Publication Number Publication Date
JPS53115238A true JPS53115238A (en) 1978-10-07

Family

ID=12276598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2945677A Pending JPS53115238A (en) 1977-03-17 1977-03-17 Two-color electrophotographic copying method

Country Status (1)

Country Link
JP (1) JPS53115238A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161762A (en) * 1981-03-30 1982-10-05 Comput Basic Mach Technol Res Assoc Bicolor printer
JPS60229051A (en) * 1984-04-27 1985-11-14 Toshiba Corp Image forming device
JPS6139069A (en) * 1984-07-31 1986-02-25 Toshiba Corp Developing device
JPH01123265A (en) * 1987-11-09 1989-05-16 Oki Electric Ind Co Ltd Two-color image forming device
JPH01193768A (en) * 1988-08-18 1989-08-03 Canon Inc Electrophotographic device
US5097296A (en) * 1988-09-22 1992-03-17 Minolta Camera Kabushiki Kaisha Multicolor image forming apparatus using chargers with opposite polarity

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57161762A (en) * 1981-03-30 1982-10-05 Comput Basic Mach Technol Res Assoc Bicolor printer
JPS60229051A (en) * 1984-04-27 1985-11-14 Toshiba Corp Image forming device
JPS6139069A (en) * 1984-07-31 1986-02-25 Toshiba Corp Developing device
JPH01123265A (en) * 1987-11-09 1989-05-16 Oki Electric Ind Co Ltd Two-color image forming device
JPH01193768A (en) * 1988-08-18 1989-08-03 Canon Inc Electrophotographic device
US5097296A (en) * 1988-09-22 1992-03-17 Minolta Camera Kabushiki Kaisha Multicolor image forming apparatus using chargers with opposite polarity

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