CH549234A - MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER. - Google Patents

MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.

Info

Publication number: CH549234A
Authority: CH; Switzerland
Prior art keywords: magnetic brush; developing electrostatic; electrostatic images; developer powder; developer
Prior art date: 1972-12-28

Application number

CH1894672A

Other languages

German (de)

Original Assignee

Wifo Forschungsinst Ag

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.)

1972-12-28

Filing date

1972-12-28

Publication date

1974-05-15

1972-12-28 Application filed by Wifo Forschungsinst Ag filed Critical Wifo Forschungsinst Ag

1972-12-28 Priority to CH1894672A priority Critical patent/CH549234A/en

1973-12-06 Priority to AU63307/73A priority patent/AU474329B2/en

1973-12-06 Priority to GB5667073A priority patent/GB1405564A/en

1973-12-11 Priority to ZA739385A priority patent/ZA739385B/en

1973-12-17 Priority to IT54362/73A priority patent/IT1000470B/en

1973-12-20 Priority to US426578A priority patent/US3890928A/en

1973-12-21 Priority to CA188,727A priority patent/CA981012A/en

1973-12-24 Priority to DE2364563A priority patent/DE2364563A1/en

1973-12-27 Priority to SE7317485A priority patent/SE389747B/en

1973-12-27 Priority to NL7317717A priority patent/NL7317717A/xx

1973-12-27 Priority to BR10171/73A priority patent/BR7310171D0/en

1973-12-27 Priority to FR7346590A priority patent/FR2212570B1/fr

1973-12-27 Priority to BE139328A priority patent/BE809167A/en

1973-12-28 Priority to JP48144789A priority patent/JPS4998057A/ja

1974-05-15 Publication of CH549234A publication Critical patent/CH549234A/en

Links

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)

CH1894672A 1972-12-28 1972-12-28 MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER. CH549234A (en)

Priority Applications (14)

Application Number	Priority Date	Filing Date	Title
CH1894672A CH549234A (en)	1972-12-28	1972-12-28	MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.
AU63307/73A AU474329B2 (en)	1972-12-28	1973-12-06	Magnetic brush for use in developing electro photographic images
GB5667073A GB1405564A (en)	1972-12-28	1973-12-06	Magnetic brush for use in developing electrophotographic images
ZA739385A ZA739385B (en)	1972-12-28	1973-12-11	Magnetic brush for use in developing electrophotographic images
IT54362/73A IT1000470B (en)	1972-12-28	1973-12-17	IMPROVEMENT IN DEVELOPER DEVICES FOR LATENT ELECTROPHOTOGRAPHIC IMAGES
US426578A US3890928A (en)	1972-12-28	1973-12-20	Magnetic brush for use in developing electrophotographic images
CA188,727A CA981012A (en)	1972-12-28	1973-12-21	Magnetic brush for use in developing electrophotographic images
DE2364563A DE2364563A1 (en)	1972-12-28	1973-12-24	DEVICE FOR THE DEVELOPMENT OF LATENTAL ELECTROPHOTOGRAPHIC IMAGES
SE7317485A SE389747B (en)	1972-12-28	1973-12-27	MAGNETIC BRUSH FOR ADDING A LATENT ELECTROPHOTOGRAPHIC IMAGE ON A CARRY SHEET ADDED DEVELOPER POWDER
NL7317717A NL7317717A (en)	1972-12-28	1973-12-27
BR10171/73A BR7310171D0 (en)	1972-12-28	1973-12-27	LATENT ELECTRIC PHOTOGRAPHIC IMAGE, ON A SUPPORT SHEET, PERFECTED MAGNETIC DISCOVER FOR USE IN THE APPLICATION, A LATENT ELECTRIC PHOTOGRAPHIC IMAGE AND A REVELATOR, AND PERFECTED APPLIANCE TO REVEAL U
FR7346590A FR2212570B1 (en)	1972-12-28	1973-12-27
BE139328A BE809167A (en)	1972-12-28	1973-12-27	MAGNETIC BRUSH TO BE USED TO DEVELOP ELECTROPHOTOGRAPHIC IMAGES
JP48144789A JPS4998057A (en)	1972-12-28	1973-12-28

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1894672A CH549234A (en)	1972-12-28	1972-12-28	MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.

Publications (1)

Publication Number	Publication Date
CH549234A true CH549234A (en)	1974-05-15

Family

ID=4436314

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1894672A CH549234A (en)	1972-12-28	1972-12-28	MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.

Country Status (14)

Country	Link
US (1)	US3890928A (en)
JP (1)	JPS4998057A (en)
AU (1)	AU474329B2 (en)
BE (1)	BE809167A (en)
BR (1)	BR7310171D0 (en)
CA (1)	CA981012A (en)
CH (1)	CH549234A (en)
DE (1)	DE2364563A1 (en)
FR (1)	FR2212570B1 (en)
GB (1)	GB1405564A (en)
IT (1)	IT1000470B (en)
NL (1)	NL7317717A (en)
SE (1)	SE389747B (en)
ZA (1)	ZA739385B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS575630Y2 (en) *	1977-01-31	1982-02-02
US4614420A (en) *	1983-05-31	1986-09-30	Xerox Corporation	Magnetically agitated development system
US4829338A (en) *	1988-01-29	1989-05-09	Xerox Corporation	Electrophotographic device with improved bead pickoff arrangement
US5768667A (en) *	1996-09-04	1998-06-16	Rti International, Inc.	Developer roll magnet for toner cartridge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1006078A (en) *	1960-09-26	1965-09-29	Rank Xerox Ltd	Improved cascade development of electrostatic latent images
US3402698A (en) *	1966-06-06	1968-09-24	Konishiroku Photo Ind	Magnet assembly for magnetic developing brush and developing apparatus for electrostatic process
US3654902A (en) *	1969-11-28	1972-04-11	Plastic Coating Corp	Toner unit for photoelectrostatic reproduction

1972
- 1972-12-28 CH CH1894672A patent/CH549234A/en not_active IP Right Cessation
1973
- 1973-12-06 GB GB5667073A patent/GB1405564A/en not_active Expired
- 1973-12-06 AU AU63307/73A patent/AU474329B2/en not_active Expired
- 1973-12-11 ZA ZA739385A patent/ZA739385B/en unknown
- 1973-12-17 IT IT54362/73A patent/IT1000470B/en active
- 1973-12-20 US US426578A patent/US3890928A/en not_active Expired - Lifetime
- 1973-12-21 CA CA188,727A patent/CA981012A/en not_active Expired
- 1973-12-24 DE DE2364563A patent/DE2364563A1/en not_active Withdrawn
- 1973-12-27 FR FR7346590A patent/FR2212570B1/fr not_active Expired
- 1973-12-27 BR BR10171/73A patent/BR7310171D0/en unknown
- 1973-12-27 NL NL7317717A patent/NL7317717A/xx unknown
- 1973-12-27 SE SE7317485A patent/SE389747B/en unknown
- 1973-12-27 BE BE139328A patent/BE809167A/en unknown
- 1973-12-28 JP JP48144789A patent/JPS4998057A/ja active Pending

Also Published As

Publication number	Publication date
ZA739385B (en)	1974-11-27
IT1000470B (en)	1976-03-30
CA981012A (en)	1976-01-06
FR2212570B1 (en)	1978-03-24
GB1405564A (en)	1975-09-10
AU474329B2 (en)	1975-06-12
NL7317717A (en)	1974-07-02
DE2364563A1 (en)	1974-07-04
US3890928A (en)	1975-06-24
BR7310171D0 (en)	1974-08-15
SE389747B (en)	1976-11-15
JPS4998057A (en)	1974-09-17
FR2212570A1 (en)	1974-07-26
AU6330773A (en)	1975-06-12
BE809167A (en)	1974-04-16

Legal Events

Date	Code	Title	Description
1979-10-15	PL	Patent ceased

Publication	Publication Date	Title
BR7301227D0 (en)	1974-09-24	ELECTROSTATOGRAPHIC MAGNETIC TONING MATERIAL
BE800328A (en)	1973-11-30	NEW ELECTROGRAPHIC DEVELOPER,
NL176608C (en)	1985-05-01	ELECTROPHOTOGRAPHIC COPIER.
NL179516C (en)	1986-09-16	ELECTROPHOTOGRAPHIC IMAGING METHOD WITH MAGNETIC BRUSH DEVELOPMENT.
SE391816B (en)	1977-02-28	ELECTROPHOTOGRAPHIC DEVELOPMENT PROCEDURE
BR7300578D0 (en)	1973-09-20	ELECTROPHOTOGRAPHIC APPARATUS
NL7905312A (en)	1979-10-31	ELECTROSTATIC PHOTOGRAPHIC COPIER.
NL162758C (en)	1980-06-16	ELECTROPHOTOGRAPHIC COPIER.
SE390349B (en)	1976-12-13	DEVICE FOR DEVELOPING ELECTROSTATIC CHARGE IMAGES
IT989355B (en)	1975-05-20	DEVELOPMENT EMULSION FOR ELECTROSTATIC IMAGES
CH549234A (en)	1974-05-15	MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.
BE797558A (en)	1973-10-01	ELECTROGRAPHIC RECORDING MATERIAL
BE804843A (en)	1974-03-14	PHOTOGRAPHIC COLOR COPIER
IT973318B (en)	1974-06-10	EQUIPMENT FOR DEVELOPING LATENT ELECTROSTATIC IMAGES
BE806997A (en)	1974-05-07	ELECTROSTATIC COPIER
BE804750A (en)	1974-03-12	PHOTOGRAPHIC COLOR COPIER
SE382698B (en)	1976-02-09	MAGNETIC BRUSH DEVELOPER UNIT.
BE797998A (en)	1973-07-31	ELECTROPHOTOGRAPHIC COPIER
BE752034A (en)	1970-12-16	DEVELOPER FOR ELECTROSTATIC IMAGES
SE389404B (en)	1976-11-01	DEVELOPER POWDER FOR THE DEVELOPMENT OF ELECTROSTATIC IMAGES.
CH514169A (en)	1971-10-15	Electrostatic imaging photocopier
AU6453574A (en)	1975-07-17	Developing latent electrostatic images
AT329376B (en)	1976-05-10	DEVELOPING POWDER FOR ELECTROPHOTOGRAPHIC PROCESSES
IT985904B (en)	1974-12-30	DEVELOPER FOR ELECTROPHOTOGRAPHY
BE752231A (en)	1970-12-21	MAGNETIC MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER