DE3067792D1 - Control circuit in an electrophotographic copying machine - Google Patents

Control circuit in an electrophotographic copying machine

Info

Publication number
DE3067792D1
DE3067792D1 DE8080201204T DE3067792T DE3067792D1 DE 3067792 D1 DE3067792 D1 DE 3067792D1 DE 8080201204 T DE8080201204 T DE 8080201204T DE 3067792 T DE3067792 T DE 3067792T DE 3067792 D1 DE3067792 D1 DE 3067792D1
Authority
DE
Germany
Prior art keywords
control circuit
copying machine
electrophotographic copying
electrophotographic
machine
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
DE8080201204T
Other languages
English (en)
Inventor
Petrus Johannes Maria Ophey
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.)
Canon Production Printing Netherlands BV
Original Assignee
Oce Nederland BV
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 Oce Nederland BV filed Critical Oce Nederland BV
Application granted granted Critical
Publication of DE3067792D1 publication Critical patent/DE3067792D1/de
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
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
DE8080201204T 1979-12-18 1980-12-16 Control circuit in an electrophotographic copying machine Expired DE3067792D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7909098A NL7909098A (nl) 1979-12-18 1979-12-18 Besturingsschakeling in een elektrofotografisch kopieerapparaat.

Publications (1)

Publication Number Publication Date
DE3067792D1 true DE3067792D1 (en) 1984-06-14

Family

ID=19834329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080201204T Expired DE3067792D1 (en) 1979-12-18 1980-12-16 Control circuit in an electrophotographic copying machine

Country Status (6)

Country Link
US (1) US4375330A (de)
EP (1) EP0030775B1 (de)
JP (2) JPS5694368A (de)
CA (1) CA1173099A (de)
DE (1) DE3067792D1 (de)
NL (1) NL7909098A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401009A (nl) * 1984-03-30 1985-10-16 Oce Nederland Bv Werkwijze en inrichting voor het besturen van een electrofotografische inrichting voorzien van een fotogeleidende band met lasnaad.
NL8401011A (nl) * 1984-03-30 1985-10-16 Oce Nederland Bv Beeldoverdrachtsinrichting.
US5077576A (en) * 1990-11-13 1991-12-31 Eastman Kodak Company Programmable image area lockout for damaged imaging members
JP2820096B2 (ja) * 1996-01-10 1998-11-05 日本電気株式会社 符号化方式および復号方式
US6661985B2 (en) * 2001-03-05 2003-12-09 Ricoh Company, Limited Electrophotographic image bearer, process cartridge and image forming apparatus using the image bearer
US20080038015A1 (en) * 2006-08-08 2008-02-14 Aetas Technology, Incorporated Apparatus and method for shifting an image-forming region of a printing device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575505A (en) * 1968-07-30 1971-04-20 Eastman Kodak Co Automatic bias control
US3600086A (en) * 1969-01-15 1971-08-17 Ibm Automatic photoconductor advance mechanism for a xerographic copying machine
US3785730A (en) * 1972-03-27 1974-01-15 Cellophene Method and system for varying the positions of image-forming surfaces on an elongate flexible electrophotographic support belt for different runs thereof
US3914047A (en) * 1973-10-01 1975-10-21 Eastman Kodak Co Synchronizing control apparatus for electrophotographic apparatus utilizing digital computer
FR2328224A1 (fr) * 1975-10-14 1977-05-13 Eastman Kodak Co Copieur electrophotographique muni d'un appareil de compensation des variations de la sensibilite d'un organe photoconducteur formant partie du copieur
CA1091756A (en) * 1975-10-14 1980-12-16 Eastman Kodak Company Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors
NL179318C (nl) * 1976-01-30 1986-08-18 Oce Van Der Grinten N V P A Oc Besturing voor een kopieerinrichting.
JPS5383837A (en) * 1976-12-28 1978-07-24 Sanyo Products Corp Device for starting game of motor driven pachinko machine
JPS6042935B2 (ja) * 1977-01-27 1985-09-25 株式会社リコー 電子写真感光体を長持ちさせる方法
JPS53138733A (en) * 1977-05-10 1978-12-04 Ricoh Co Ltd Control method for image quality of electrophotographic copier

Also Published As

Publication number Publication date
EP0030775A3 (en) 1981-12-09
US4375330A (en) 1983-03-01
JPH0352627B2 (de) 1991-08-12
JPS5694368A (en) 1981-07-30
NL7909098A (nl) 1981-07-16
JPH01302275A (ja) 1989-12-06
EP0030775A2 (de) 1981-06-24
CA1173099A (en) 1984-08-21
JPH0340387B2 (de) 1991-06-18
EP0030775B1 (de) 1984-05-09

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee