GB1387952A - Electrostatic charge elimination for magnetic printing system - Google Patents

Electrostatic charge elimination for magnetic printing system

Info

Publication number
GB1387952A
GB1387952A GB2039473A GB2039473A GB1387952A GB 1387952 A GB1387952 A GB 1387952A GB 2039473 A GB2039473 A GB 2039473A GB 2039473 A GB2039473 A GB 2039473A GB 1387952 A GB1387952 A GB 1387952A
Authority
GB
United Kingdom
Prior art keywords
magnetic
tape
electrostatic charge
magnetic printing
toner
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.)
Expired
Application number
GB2039473A
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.)
Data Interface Inc
Original Assignee
Data Interface Inc
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 Data Interface Inc filed Critical Data Interface Inc
Publication of GB1387952A publication Critical patent/GB1387952A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography

Abstract

1387952 Magnetic printing DATA INTERFACE Inc 30 April 1973 [25 May 1972] 20394/73 Heading G2H A magnetic printing apparatus, in which magnetic images on a tape 10 are developed by magnetic toner flicked from a revolving brush 38, 70 incorporates an electrically conductive path by which the tape surface is connected to earth, so that any areas of electrostatic charge on it are discharged and toner adhering electrostatically cannot interfere with magnetic development. Preferably the conductive path to the tape surface is provided by a mass 50 of toner, dammed by the moving tape on a shelf 48, or by a conductive tape guide 60 with an aperture 62 which allows development.
GB2039473A 1972-05-25 1973-04-30 Electrostatic charge elimination for magnetic printing system Expired GB1387952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00256993A US3816799A (en) 1972-05-25 1972-05-25 Electrostatic charge elimination for magnetic printing system

Publications (1)

Publication Number Publication Date
GB1387952A true GB1387952A (en) 1975-03-19

Family

ID=22974454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2039473A Expired GB1387952A (en) 1972-05-25 1973-04-30 Electrostatic charge elimination for magnetic printing system

Country Status (8)

Country Link
US (1) US3816799A (en)
JP (1) JPS4944758A (en)
CA (1) CA983700A (en)
DE (1) DE2324620A1 (en)
FR (1) FR2185825B1 (en)
GB (1) GB1387952A (en)
IL (1) IL42157A0 (en)
NL (1) NL7306042A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859959A (en) * 1974-04-05 1975-01-14 Data Interface Magnetic toner applicator
US4191961A (en) * 1976-03-31 1980-03-04 E. I. Du Pont De Nemours And Company Magnetic printing process and apparatus
US4216282A (en) * 1977-03-18 1980-08-05 E. I. Du Pont De Nemours And Company AC corona to remove background from the imaging member of a magnetic copier
US4195303A (en) * 1976-03-31 1980-03-25 E. I. Du Pont De Nemours And Company Magnetic printing process and apparatus
CH621421A5 (en) * 1976-03-31 1981-01-30 Du Pont Magnetographic dry copying process and device for carrying it out
US4336546A (en) * 1977-03-15 1982-06-22 E. I. Du Pont De Nemours And Company Magnetic printing apparatus
US4329694A (en) * 1977-03-18 1982-05-11 E. I. Du Pont De Nemours And Company AC Corona to remove background from the transfer member of a thermomagnetic copier
JPS54121738A (en) * 1978-03-14 1979-09-21 Ricoh Co Ltd Toner removal method
JPS55123484A (en) * 1979-03-16 1980-09-22 Hitachi Ltd Facsimile equipment employing theremosensitive magnetic recording
US4428665A (en) * 1981-11-06 1984-01-31 Xerox Corporation Apparatus, process for removal of toner particles
GB2241089B (en) * 1990-02-20 1993-12-08 Xerox Corp Electrostatographic machine
US5150273A (en) * 1991-01-17 1992-09-22 Vantine Allan D Le Device for removing dust, lint and static charge from film and plastic surfaces
US6850403B1 (en) 2001-11-30 2005-02-01 Ion Systems, Inc. Air ionizer and method
US7848695B2 (en) * 2008-04-23 2010-12-07 Infoprint Solutions Company, Llc Toner brush with superimposed brushes for an electro-photographic printer and printer with the toner brush

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911330A (en) * 1958-04-11 1959-11-03 Haloid Xerox Inc Magnetic brush cleaning
US3502284A (en) * 1967-06-08 1970-03-24 Basf Ag Magnetic tape cartridge
US3689117A (en) * 1970-07-17 1972-09-05 Minnesota Mining & Mfg Method for making a neutralizing device

Also Published As

Publication number Publication date
JPS4944758A (en) 1974-04-27
CA983700A (en) 1976-02-17
FR2185825A1 (en) 1974-01-04
US3816799A (en) 1974-06-11
FR2185825B1 (en) 1979-03-30
NL7306042A (en) 1973-11-27
IL42157A0 (en) 1973-07-30
DE2324620A1 (en) 1973-12-06

Similar Documents

Publication Publication Date Title
GB1435763A (en) Electrostatic image development apparatus
GB1387952A (en) Electrostatic charge elimination for magnetic printing system
CA986172A (en) Electrostatic printing system and method using ion and toner particles
GB1490210A (en) Apparatus for developing an electrostatic latent image
CA984893A (en) Data accumulation system providing magnetic toner powder recording
AU5728573A (en) System for reducing background developer deposition inan electrostatic copier
CA929338A (en) Electrostatic latent image development apparatus
ES380273A1 (en) Multistylus recorder
GB1316469A (en) Electrophotographic apparatus
AU502560B2 (en) Toner for electrostatic images
GB1382710A (en) Electrostatic printing machine
DE2861312D1 (en) Device for the development of an electrostatic charge image with the aid of magnetic brushes.
GB1349272A (en) Xerogrphic apparatus
GB1396979A (en) Process and apparatus of developing electrostatic latent images
GB1329755A (en) Coherent optical processors
GB1356643A (en) Method for hard copy reproduction
JPS52131724A (en) Transferring of toner image
NL185180C (en) DEVICE FOR THE D.M.V. MAGNETIC BRUSHES DEVELOPING ELECTROSTATIC CHARGE IMAGES.
CH549234A (en) MAGNETIC BRUSH FOR DEVELOPING ELECTROSTATIC IMAGES WITH DEVELOPER POWDER.
GB1057793A (en) Improvements relating to the development of electrostatically charged latent images
CA916917A (en) Apparatus for developing latent electrostatic images
AU448238B2 (en) Apparatus for developing latent electrostatic charge patterns
JPS51134634A (en) High speed electrostatic printing system
AU476420B2 (en) Conductive coating for electro-photography and electrostatic printing
CA913472A (en) Method and apparatus for developing latent electrostatic images

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee