JPS5256539A - Developing device - Google Patents

Developing device

Info

Publication number
JPS5256539A
JPS5256539A JP13231675A JP13231675A JPS5256539A JP S5256539 A JPS5256539 A JP S5256539A JP 13231675 A JP13231675 A JP 13231675A JP 13231675 A JP13231675 A JP 13231675A JP S5256539 A JPS5256539 A JP S5256539A
Authority
JP
Japan
Prior art keywords
developing device
strengthes
establish
development
changed
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
JP13231675A
Other languages
Japanese (ja)
Inventor
Masami Ishida
Michiyasu Takagi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13231675A priority Critical patent/JPS5256539A/en
Publication of JPS5256539A publication Critical patent/JPS5256539A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)

Abstract

PURPOSE: To provide a developing device for use with a device for electronic photography, in which the shape or material of the portion constituting a cylinder formed with a magnetic brush is changed to establish on the surface a magnetic field having different strengthes, thereby making it possible to accomplish effectively the development of high quality.
COPYRIGHT: (C)1977,JPO&Japio
JP13231675A 1975-11-04 1975-11-04 Developing device Pending JPS5256539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13231675A JPS5256539A (en) 1975-11-04 1975-11-04 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13231675A JPS5256539A (en) 1975-11-04 1975-11-04 Developing device

Publications (1)

Publication Number Publication Date
JPS5256539A true JPS5256539A (en) 1977-05-10

Family

ID=15078454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13231675A Pending JPS5256539A (en) 1975-11-04 1975-11-04 Developing device

Country Status (1)

Country Link
JP (1) JPS5256539A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246629A (en) * 1963-06-18 1966-04-19 Addressograph Multigraph Apparatus for developing electrostatic images
JPS4962139A (en) * 1972-10-06 1974-06-17
JPS5210144A (en) * 1975-07-14 1977-01-26 Ricoh Co Ltd Magnetic brush development device
JPS5210145A (en) * 1975-07-14 1977-01-26 Ricoh Co Ltd Sleeve for the magnetic brush development

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246629A (en) * 1963-06-18 1966-04-19 Addressograph Multigraph Apparatus for developing electrostatic images
JPS4962139A (en) * 1972-10-06 1974-06-17
JPS5210144A (en) * 1975-07-14 1977-01-26 Ricoh Co Ltd Magnetic brush development device
JPS5210145A (en) * 1975-07-14 1977-01-26 Ricoh Co Ltd Sleeve for the magnetic brush development

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