JPS5930147U - Two-color electrophotographic device - Google Patents

Two-color electrophotographic device

Info

Publication number
JPS5930147U
JPS5930147U JP12524782U JP12524782U JPS5930147U JP S5930147 U JPS5930147 U JP S5930147U JP 12524782 U JP12524782 U JP 12524782U JP 12524782 U JP12524782 U JP 12524782U JP S5930147 U JPS5930147 U JP S5930147U
Authority
JP
Japan
Prior art keywords
charger
transfer
color electrophotographic
developing device
electrophotographic device
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
JP12524782U
Other languages
Japanese (ja)
Inventor
松本　冬彦
犬塚　英雄
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP12524782U priority Critical patent/JPS5930147U/en
Publication of JPS5930147U publication Critical patent/JPS5930147U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１．２図は、いずれも本考案の実施例を示す装置の概
要構成図、第３図は、赤潜像電位ＶＲと熱現像バイアス
ＶＢＢの電位差と赤画像中の白抜は数Ｎとの関係を示す
図である。 １・・・複合感光体ドラム、４．５・・・第１、第２現
像ユニツト、６・・・転写前帯電器、６ａ・・・白色ラ
ンプ、７・・・キャリヤ除去用マグネット。Fig. 1.2 is a schematic configuration diagram of an apparatus showing an embodiment of the present invention, and Fig. 3 shows the potential difference between the red latent image potential VR and the thermal development bias VBB, and the number N of white spots in the red image. FIG. DESCRIPTION OF SYMBOLS 1... Composite photosensitive drum, 4.5... First and second developing units, 6... Pre-transfer charger, 6a... White lamp, 7... Magnet for carrier removal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 原稿画像に対応して複合感光体上に形成された表面電位
が正及び負極性の潜像を、２色の異極性着色帯電微粒子
により現像する現像装置を備えた２色のカラー複写を可
能とする転写式電子写真装置において、上記現像装置の
後方でかつ転写帯電器の前方に、白色′光源を備えた転
写前白色露光同時帯電器を配設するとともに、該帯電器
の後方に上記感光体の表面に近接させてマグネットを配
設してなる２色電子写真装置。Equipped with a developing device that develops latent images with positive and negative surface potentials formed on the composite photoreceptor corresponding to the original image using charged particles of two different polarities, it is possible to perform two-color copying. In a transfer type electrophotographic apparatus, a pre-transfer white exposure simultaneous charger equipped with a white light source is disposed behind the developing device and in front of the transfer charger, and the photoreceptor is placed behind the charger. A two-color electrophotographic device in which a magnet is placed close to the surface of the device.
JP12524782U 1982-08-18 1982-08-18 Two-color electrophotographic device Pending JPS5930147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12524782U JPS5930147U (en) 1982-08-18 1982-08-18 Two-color electrophotographic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12524782U JPS5930147U (en) 1982-08-18 1982-08-18 Two-color electrophotographic device

Publications (1)

Publication Number Publication Date
JPS5930147U true JPS5930147U (en) 1984-02-24

Family

ID=30285229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12524782U Pending JPS5930147U (en) 1982-08-18 1982-08-18 Two-color electrophotographic device

Country Status (1)

Country Link
JP (1) JPS5930147U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360472A (en) * 1986-08-30 1988-03-16 Canon Inc Electrophotographic device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143229A (en) * 1977-05-19 1978-12-13 Toshiba Corp Image forming method
JPS568165A (en) * 1979-07-02 1981-01-27 Hitachi Ltd Electrostatic recording apparatus
JPS56101162A (en) * 1980-01-16 1981-08-13 Ricoh Co Ltd Developing device in two-color copying system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143229A (en) * 1977-05-19 1978-12-13 Toshiba Corp Image forming method
JPS568165A (en) * 1979-07-02 1981-01-27 Hitachi Ltd Electrostatic recording apparatus
JPS56101162A (en) * 1980-01-16 1981-08-13 Ricoh Co Ltd Developing device in two-color copying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360472A (en) * 1986-08-30 1988-03-16 Canon Inc Electrophotographic device

Similar Documents

Publication Publication Date Title
JPS5930147U (en) Two-color electrophotographic device
JPS56162755A (en) Multicolor copying system
JPH0318544U (en)
JPS6021749U (en) electrophotographic copying device
JPS61155854U (en)
JPS59192159U (en) color copying machine
JPS5891752U (en) copying device
JPS58180566U (en) Two-color electrophotographic toner recovery device
JPS58115747U (en) two-color electrophotographic device
JPH0140347B2 (en)
JPS60112257U (en) Carrier adhesion prevention device
JPS5720745A (en) Method for partially magnetized electrophotography
JPS60122948U (en) image forming device
JPS6036652U (en) Two-color copying machine with ruled lines
JPS59123873U (en) electrostatic image forming device
JPS5930148U (en) Latent image forming device for electronic copying machine
JPS5938458U (en) two-color electrophotographic device
JPS59149152U (en) image forming device
JPS5836747U (en) electrophotographic equipment
JPS60186449U (en) Two-color image forming device
JPS58185853U (en) multicolor transfer material
JPS60169649U (en) Electrostatic image forming device
JPS5943960U (en) electronic copy machine
JPS58113051U (en) multicolor electrophotographic device
JPS5917445U (en) Copy machine