JPS5250731A - Development device by means of powder - Google Patents

Development device by means of powder

Info

Publication number
JPS5250731A
JPS5250731A JP12640875A JP12640875A JPS5250731A JP S5250731 A JPS5250731 A JP S5250731A JP 12640875 A JP12640875 A JP 12640875A JP 12640875 A JP12640875 A JP 12640875A JP S5250731 A JPS5250731 A JP S5250731A
Authority
JP
Japan
Prior art keywords
powder
development device
moving
resutling
inproved
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
JP12640875A
Other languages
Japanese (ja)
Inventor
Takafumi Arimura
Makoto Matsuki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12640875A priority Critical patent/JPS5250731A/en
Publication of JPS5250731A publication Critical patent/JPS5250731A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To enable the miniaturization of device, prevention of mechanical noise, and an inproved operational efficiency by holding and moving a developer agent, such as, toner, by the magnetic force resutling from the moving magnetic field.
COPYRIGHT: (C)1977,JPO&Japio
JP12640875A 1975-10-22 1975-10-22 Development device by means of powder Pending JPS5250731A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12640875A JPS5250731A (en) 1975-10-22 1975-10-22 Development device by means of powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12640875A JPS5250731A (en) 1975-10-22 1975-10-22 Development device by means of powder

Publications (1)

Publication Number Publication Date
JPS5250731A true JPS5250731A (en) 1977-04-23

Family

ID=14934405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12640875A Pending JPS5250731A (en) 1975-10-22 1975-10-22 Development device by means of powder

Country Status (1)

Country Link
JP (1) JPS5250731A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7061699B2 (en) 2002-03-28 2006-06-13 Seiko Epson Corporation Projection lens, producing method of projection lens and projector having projection lens

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4112376Y1 (en) * 1964-02-11 1966-06-10
JPS504731B1 (en) * 1972-10-02 1975-02-24
JPS504729B1 (en) * 1973-03-30 1975-02-24

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4112376Y1 (en) * 1964-02-11 1966-06-10
JPS504731B1 (en) * 1972-10-02 1975-02-24
JPS504729B1 (en) * 1973-03-30 1975-02-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7061699B2 (en) 2002-03-28 2006-06-13 Seiko Epson Corporation Projection lens, producing method of projection lens and projector having projection lens

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