CA1046268A - Commande continu de polarisation pour appareil de developpement electrographique - Google Patents

Commande continu de polarisation pour appareil de developpement electrographique

Info

Publication number: CA1046268A
Authority: CA; Canada
Prior art keywords: pattern; development; toner; bias; charge
Prior art date: 1974-03-04
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

CA220,655A

Other languages

English (en)

Other versions

CA220655S (en

Inventor

William T. Fearnside

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.)

Eastman Kodak Co

Original Assignee

Eastman Kodak Co

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.)

1974-03-04

Filing date

1975-02-24

Publication date

1979-01-16

1975-02-24 Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co

1979-01-16 Application granted granted Critical

1979-01-16 Publication of CA1046268A publication Critical patent/CA1046268A/fr

Status Expired legal-status Critical Current

Links

238000011161 development Methods 0.000 title claims abstract description 84
230000005291 magnetic effect Effects 0.000 claims abstract description 22
230000003111 delayed effect Effects 0.000 claims abstract description 6
230000018109 developmental process Effects 0.000 claims description 76
230000001276 controlling effect Effects 0.000 claims description 10
230000006698 induction Effects 0.000 claims description 10
238000011144 upstream manufacturing Methods 0.000 claims description 8
230000005540 biological transmission Effects 0.000 claims 1
230000008878 coupling Effects 0.000 claims 1
238000010168 coupling process Methods 0.000 claims 1
238000005859 coupling reaction Methods 0.000 claims 1
239000002245 particle Substances 0.000 description 16
239000007787 solid Substances 0.000 description 6
239000000203 mixture Substances 0.000 description 4
230000000875 corresponding effect Effects 0.000 description 3
230000007246 mechanism Effects 0.000 description 3
239000000463 material Substances 0.000 description 2
238000000034 method Methods 0.000 description 2
238000004088 simulation Methods 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
238000013459 approach Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
238000004891 communication Methods 0.000 description 1
238000005094 computer simulation Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000005684 electric field Effects 0.000 description 1
238000005286 illumination Methods 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000008569 process Effects 0.000 description 1
230000005855 radiation Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000002310 reflectometry Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1

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
- G03G15/065—Arrangements for controlling the potential of the developing electrode

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Developing For Electrophotography (AREA)

CA220,655A 1974-03-04 1975-02-24 Commande continu de polarisation pour appareil de developpement electrographique Expired CA1046268A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US447717A US3918395A (en)	1974-03-04	1974-03-04	Continuous bias control for electrographic development apparatus

Publications (1)

Publication Number	Publication Date
CA1046268A true CA1046268A (fr)	1979-01-16

Family

ID=23777455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA220,655A Expired CA1046268A (fr)	1974-03-04	1975-02-24	Commande continu de polarisation pour appareil de developpement electrographique

Country Status (2)

Country	Link
US (1)	US3918395A (fr)
CA (1)	CA1046268A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4021112A (en) *	1975-06-23	1977-05-03	Xerox Corporation	Photoreceptor dark current leakage detecting apparatus for xerographic machines
JPS6044653B2 (ja) *	1976-05-17	1985-10-04	株式会社リコー	現像バイアス自動制御方法及びその装置
US4465356A (en) *	1982-03-08	1984-08-14	Eastman Kodak Company	Magnetic brush developer apparatus
JPS59157669A (ja) *	1983-02-26	1984-09-07	Mita Ind Co Ltd	自動現像バイアス制御装置
JPS59180570A (ja) *	1983-03-30	1984-10-13	Sharp Corp	現像装置
US4806980A (en) *	1986-11-06	1989-02-21	Eastman Kodak Company	Dynamic feedforward process control for electrographic machines
US4724461A (en) *	1987-04-06	1988-02-09	Eastman Kodak Company	Dynamic process control for electrostatographic machines
DE4336690C2 (de) *	1993-10-27	1999-04-15	Henning Dipl Phys Dr Frunder	Vorrichtung zum Messen von elektrischen Potentialunterschieden an elektrografischen Aufzeichnungsmaterialien
US5537329A (en) *	1994-06-30	1996-07-16	At&T Corp.	Apparatus and method for analyzing circuits
DE102007009070A1 (de) *	2007-02-23	2008-08-28	OCé PRINTING SYSTEMS GMBH	Verfahren und Vorrichtung zum Erfassen eines elektrischen Potentials sowie von elektrischen Ladungen ein einem Drucker oder Kopierer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3554161A (en) *	1968-11-14	1971-01-12	Addressograph Multigraph	Developing apparatus
BE755383A (fr) *	1969-08-29	1971-03-01	Xerox Corp	Appareil pour le controle d'electrodes de developpement
US3654893A (en) *	1970-05-01	1972-04-11	Eastman Kodak Co	Automatic bias control for electrostatic development
US3674532A (en) *	1970-07-23	1972-07-04	Eastman Kodak Co	Control for bias of magnetic brush and method
US3779204A (en) *	1972-08-14	1973-12-18	Eastman Kodak Co	Toner concentration and auto bias control apparatus

1974
- 1974-03-04 US US447717A patent/US3918395A/en not_active Expired - Lifetime
1975
- 1975-02-24 CA CA220,655A patent/CA1046268A/fr not_active Expired

Also Published As

Publication number	Publication date
US3918395A (en)	1975-11-11

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