IT967614B - ELECTRO PHOTOGRAPHIC DEVELOPMENT DEVICE PARTICULARLY FOR REPRODUCTION OF DOCUMENTS - Google Patents

ELECTRO PHOTOGRAPHIC DEVELOPMENT DEVICE PARTICULARLY FOR REPRODUCTION OF DOCUMENTS

Info

Publication number: IT967614B
Authority: IT; Italy
Prior art keywords: reproduction; documents; development device; device particularly; photographic development
Prior art date: 1971-12-17

Application number

IT29378/72A

Other languages

Italian (it)

Original Assignee

Ibm

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.)

1971-12-17

Filing date

1972-09-19

Publication date

1974-03-11

1972-09-19 Application filed by Ibm filed Critical Ibm

1974-03-11 Application granted granted Critical

1974-03-11 Publication of IT967614B publication Critical patent/IT967614B/en

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
- G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Magnetic Brush Developing In Electrophotography (AREA)
Dry Development In Electrophotography (AREA)

IT29378/72A 1971-12-17 1972-09-19 ELECTRO PHOTOGRAPHIC DEVELOPMENT DEVICE PARTICULARLY FOR REPRODUCTION OF DOCUMENTS IT967614B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US20903971A	1971-12-17	1971-12-17

Publications (1)

Publication Number	Publication Date
IT967614B true IT967614B (en)	1974-03-11

Family

ID=22777071

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT29378/72A IT967614B (en)	1971-12-17	1972-09-19	ELECTRO PHOTOGRAPHIC DEVELOPMENT DEVICE PARTICULARLY FOR REPRODUCTION OF DOCUMENTS

Country Status (15)

Country	Link
US (1)	US3754526A (en)
JP (1)	JPS5141062B2 (en)
AR (1)	AR205966A1 (en)
AU (1)	AU469182B2 (en)
BE (1)	BE792643A (en)
BR (1)	BR7208875D0 (en)
CA (1)	CA970957A (en)
CH (1)	CH541163A (en)
DE (1)	DE2257030C3 (en)
FR (1)	FR2165443A5 (en)
GB (1)	GB1375629A (en)
IT (1)	IT967614B (en)
NL (1)	NL7215315A (en)
SE (1)	SE371897B (en)
ZA (1)	ZA727899B (en)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3906898A (en) *	1972-05-22	1975-09-23	Xerox Corp	Magnetic brush developing apparatus
US3788275A (en) *	1972-06-28	1974-01-29	Xerox Corp	Magnetic shielding apparatus
US3849161A (en) *	1973-08-13	1974-11-19	Minnesota Mining & Mfg	Magnetic toner powder applicator
US4040387A (en) *	1972-09-24	1977-08-09	Mita Industrial Co. Ltd.	Electrostatic photographic copying apparatus
US3911864A (en) *	1973-01-17	1975-10-14	Xerox Corp	Toner preloaded magnetic brush development system
FR2227567B1 (en) *	1973-04-26	1978-04-21	Xerox Corp
NL7405393A (en) *	1973-04-26	1974-06-25
JPS5426172B2 (en) *	1973-05-23	1979-09-03
JPS5054333A (en) *	1973-09-10	1975-05-14
US3915121A (en) *	1973-11-19	1975-10-28	Xerox Corp	Development apparatus
US3982498A (en) *	1973-11-19	1976-09-28	Xerox Corporation	Development apparatus
DE2361062C3 (en) *	1973-12-07	1980-06-26	Philips Patentverwaltung Gmbh, 2000 Hamburg	Electrostatic latent image development chamber
US3893416A (en) *	1973-12-27	1975-07-08	Xerox Corp	Development and cleaning apparatus for reverse path machine
JPS50155235A (en) *	1974-06-04	1975-12-15
US4086873A (en) *	1974-07-09	1978-05-02	Konishiroku Photo Industry Co., Ltd.	Electrophotographic developing device incorporating a developing electrode having an insulation layer on its surface
US3967892A (en) *	1974-07-26	1976-07-06	Xerox Corporation	Development system
US4007707A (en) *	1975-01-21	1977-02-15	Itek Corporation	Xerographic development apparatus having a large reservoir for controlled flow through a narrow development zone
JPS5937831B2 (en) *	1975-01-21	1984-09-12	キヤノン株式会社	Electrophotographic developing device
JPS5545392Y2 (en) *	1975-10-07	1980-10-24
US4095883A (en) *	1976-02-02	1978-06-20	Xerox Corporation	Magnetic mixing apparatus and process
GB1583472A (en) *	1976-07-16	1981-01-28	Ricoh Kk	Electrophotographic apparatus
DE2651646C3 (en) *	1976-11-12	1984-01-05	Hoechst Ag, 6230 Frankfurt	Apparatus for developing latent electrostatic charge images
JPS5368244A (en) *	1976-11-29	1978-06-17	Sharp Corp	Developing device
JPS575630Y2 (en) *	1977-01-31	1982-02-02
JPS53117245U (en) *	1977-02-24	1978-09-18
DE2725109C2 (en) *	1977-06-03	1985-12-05	Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn	Magnetic roller for electrographic developing and / or duplicating devices
US4122209A (en) *	1977-04-18	1978-10-24	E. I. Du Pont De Nemours And Company	Magnetic image decorator
US4102305A (en) *	1977-07-01	1978-07-25	Xerox Corporation	Development system with electrical field generating means
GB2006054B (en) *	1977-09-10	1982-12-08	Canon Kk	Developing apparatus for electrostatic image
US4161923A (en) *	1977-12-22	1979-07-24	International Business Machines Corporation	Electrophotographic developer with carrier overflow control
DE2831805C2 (en) *	1978-07-19	1982-10-28	Siemens AG, 1000 Berlin und 8000 München	Storage container for powdery toner
JPS55113074A (en) *	1979-02-24	1980-09-01	Konishiroku Photo Ind Co Ltd	Developing device for electrophotographic copier
US4318607A (en) *	1980-07-14	1982-03-09	Xerox Corporation	Magnet for a development system
JPS57210371A (en) *	1981-05-18	1982-12-23	Toshiba Corp	Developing device
US4501484A (en) *	1981-08-19	1985-02-26	Ricoh Company, Ltd.	Photoconductive element cleaning apparatus and residual toner collecting apparatus
JPS5943961U (en) *	1982-09-14	1984-03-23	株式会社東芝	developing device
JPH0350536Y2 (en) *	1985-03-20	1991-10-29
US4907032A (en) *	1987-07-31	1990-03-06	Minolta Camera Kabushiki Kaisha	Monocomponent developing device
EP0394228B1 (en) *	1988-03-04	1991-07-17	Siemens Nixdorf Informationssysteme Aktiengesellschaft	Development station for an electrophotographic printing or copying machine with a device for preventing entrainment of the mixture
WO1992010792A2 (en) *	1990-12-14	1992-06-25	Infographix, Inc.	Electrostatic image developer dispenser
US5260748A (en) *	1990-12-14	1993-11-09	Infographix, Inc.	Electrostatic image developer dispenser
JP2005172854A (en) *	2003-12-05	2005-06-30	Fuji Xerox Co Ltd	Image forming apparatus and transfer material guide device used for the same
CN100412717C (en) *	2005-01-18	2008-08-20	富士施乐株式会社	Image forming device and transfer material guide device used therein
TWI772576B (en)	2018-01-17	2022-08-01	瑞士商西克帕控股有限公司	Processes for producing optical effects layers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3152924A (en) *	1961-05-24	1964-10-13	Robertson Photo Mechanix Inc	Xerographic brush
US3457900A (en) *	1968-02-29	1969-07-29	Eastman Kodak Co	Single magnetic brush apparatus for development of electrostatic images
US3580673A (en) *	1968-08-26	1971-05-25	Xerox Corp	Cleaning apparatus
US3640248A (en) *	1969-06-04	1972-02-08	Xerox Corp	Electrostatic magnetic developing apparatus
US3667428A (en) *	1969-07-01	1972-06-06	Xerox Corp	Developing systems
US3648656A (en) *	1969-07-08	1972-03-14	Minolta Camera Kk	Dry developer for an electrostatic image developing apparatus
US3638614A (en) *	1969-09-03	1972-02-01	Xerox Corp	Electrostatic latent image development apparatus
BE757698A (en) *	1969-10-20	1971-04-19	Xerox Corp	DEVELOPMENT APPARATUS
US3626898A (en) *	1970-02-06	1971-12-14	Addressograph Multigraph	High-speed magnetic brush developer apparatus

0
- BE BE792643D patent/BE792643A/en unknown
1971
- 1971-12-17 US US00209039A patent/US3754526A/en not_active Expired - Lifetime
1972
- 1972-01-01 AR AR245557A patent/AR205966A1/en active
- 1972-09-19 IT IT29378/72A patent/IT967614B/en active
- 1972-10-25 JP JP47106349A patent/JPS5141062B2/ja not_active Expired
- 1972-11-06 GB GB5111972A patent/GB1375629A/en not_active Expired
- 1972-11-07 ZA ZA727899A patent/ZA727899B/en unknown
- 1972-11-10 AU AU48740/72A patent/AU469182B2/en not_active Expired
- 1972-11-13 NL NL7215315A patent/NL7215315A/xx not_active Application Discontinuation
- 1972-11-17 SE SE7214971A patent/SE371897B/xx unknown
- 1972-11-21 DE DE722257030A patent/DE2257030C3/en not_active Expired
- 1972-11-28 CH CH1734772A patent/CH541163A/en not_active IP Right Cessation
- 1972-11-29 FR FR7243285A patent/FR2165443A5/fr not_active Expired
- 1972-12-05 CA CA158,266A patent/CA970957A/en not_active Expired
- 1972-12-15 BR BR8875/72A patent/BR7208875D0/en unknown

Also Published As

Publication number	Publication date
JPS4869522A (en)	1973-09-21
DE2257030A1 (en)	1973-06-20
FR2165443A5 (en)	1973-08-03
SE371897B (en)	1974-12-02
DE2257030C3 (en)	1979-03-01
AU469182B2 (en)	1976-02-05
GB1375629A (en)	1974-11-27
BE792643A (en)	1973-03-30
DE2257030B2 (en)	1978-06-22
CA970957A (en)	1975-07-15
ZA727899B (en)	1974-06-26
US3754526A (en)	1973-08-28
NL7215315A (en)	1973-06-19
AR205966A1 (en)	1976-06-23
JPS5141062B2 (en)	1976-11-08
BR7208875D0 (en)	1973-09-20
AU4874072A (en)	1974-05-16
CH541163A (en)	1973-08-31

Publication	Publication Date	Title
IT967614B (en)	1974-03-11	ELECTRO PHOTOGRAPHIC DEVELOPMENT DEVICE PARTICULARLY FOR REPRODUCTION OF DOCUMENTS
AT331826B (en)	1976-08-25	LIGHT-SENSITIVE COPY DIMENSIONS
IT970289B (en)	1974-04-10	MINIMUM DIMENSIONS PHOTOGRAPHIC APPARATUS
BE772551A (en)	1972-03-14	PHOTOGRAPHIC COPIER
AT322979B (en)	1975-06-25	PHOTOGRAPHIC FILM ASSOCIATION
BE766144A (en)	1971-10-22	ELECTROPHOTOGRAPHIC APPARATUS FOR REPRODUCING MICROFILMS WITH ENLARGEMENT
CH554001A (en)	1974-09-13	PHOTOGRAPHIC COPY DEVICE.
IT956330B (en)	1973-10-10	AMPLIFICATION OF PHOTOGRAPHIC IMAGES
CH539863A (en)	1973-07-31	Photographic copier machine
BE765080A (en)	1971-08-16	MAGNETIC TAPE COPYING DEVICE
CH534897A (en)	1973-03-15	Photographic copier
AT315644B (en)	1974-06-10	Electrostatic photographic recording apparatus
IT1015437B (en)	1977-05-10	ELECTRO PHOTOGRAPHIC REPRODUCER DEVICE
BE772717A (en)	1972-03-17	PHOTOGRAPHIC COPIER
AR204387A1 (en)	1976-02-06	DEVELOPING APPARATUS
AT311172B (en)	1973-11-12	Electrostatic photographic recording apparatus
SE381520B (en)	1975-12-08	PHOTOGRAPHIC FILM UNIT
BE784441A (en)	1972-12-06	METHOD OF PHOTOGRAPHIC COLOR DEVELOPMENT
CH525502A (en)	1972-07-15	Photographic copier
IT982454B (en)	1974-10-21	REPRODUCERS OF PHOTOGRAPHIC CHARACTERS
BE762920A (en)	1971-08-16	SPECIALLY SENSITIZED LIGHT-SENSITIVE MATERIAL
AT334651B (en)	1976-01-25	PHOTOGRAPHIC LENS
IT1014488B (en)	1977-04-20	PROCEDURE OF INDIRECT ELECTRO PHOTOGRAPHIC COPYING
IT946353B (en)	1973-05-21	DEVICE FOR REPRODUCTION OF IMAGES PARTICULARLY USEFUL IN XEROGRAPHY
IT952796B (en)	1973-07-30	PROCEDURE AND ELECTROPHOTOGRAPHIC REPRODUCTION DEVICE