SE391591B - Elektrofotografisk kopieringsanordning - Google Patents

Elektrofotografisk kopieringsanordning

Info

Publication number: SE391591B
Authority: SE; Sweden
Prior art keywords: copyer; electrophotographic; electrophotographic copyer
Prior art date: 1974-02-14

Application number

SE7501420A

Other languages

English (en)

Other versions

SE7501420L (sv

Inventor

S R Fuller

H E Munzel

C A Queener

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.)

1974-02-14

Filing date

1975-07-16

Publication date

1977-02-21

1975-07-16 Application filed by Ibm filed Critical Ibm

1975-08-15 Publication of SE7501420L publication Critical patent/SE7501420L/sv

1976-01-15 Priority to DE7600928U priority Critical patent/DE7600928U1/de

1977-02-21 Publication of SE391591B publication Critical patent/SE391591B/sv

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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
- G03G15/047—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0434—Parameters defining the non-image area to be cleaned
- G03G2215/0436—Document properties at the scanning position, e.g. position and density
- G03G2215/0439—Automatic detection of properties
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0448—Charge-erasing means for the non-image area
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0468—Image area information changed (default is the charge image)
- G03G2215/047—Image corrections
- G03G2215/0473—Image corrections due to document imperfections, e.g. punchholes, books
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0468—Image area information changed (default is the charge image)
- G03G2215/048—Technical-purpose-oriented image area changes
- G03G2215/0482—Toner-free areas produced
- G03G2215/0485—Avoiding problems in standard processing steps, such as transfer and fixing
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0468—Image area information changed (default is the charge image)
- G03G2215/0492—Without changing the charge image

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Control Or Security For Electrophotography (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)

SE7501420A 1974-02-14 1975-07-16 Elektrofotografisk kopieringsanordning SE391591B (sv)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
DE7600928U DE7600928U1 (de)	1975-07-16	1976-01-15	Schlossbeschlag

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00442533A US3834807A (en)	1974-02-14	1974-02-14	Copier with leading edge image control

Publications (2)

Publication Number	Publication Date
SE7501420L SE7501420L (sv)	1975-08-15
SE391591B true SE391591B (sv)	1977-02-21

Family

ID=23757173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7501420A SE391591B (sv)	1974-02-14	1975-07-16	Elektrofotografisk kopieringsanordning

Country Status (13)

Country	Link
US (1)	US3834807A (sv)
JP (1)	JPS5925219B2 (sv)
BE (1)	BE824343A (sv)
CA (1)	CA1035004A (sv)
CH (1)	CH581852A5 (sv)
DE (1)	DE2505833C2 (sv)
DK (1)	DK142634B (sv)
FR (1)	FR2261558B1 (sv)
GB (1)	GB1447819A (sv)
IL (1)	IL46565A (sv)
IT (1)	IT1027651B (sv)
NL (1)	NL7500896A (sv)
SE (1)	SE391591B (sv)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50122263A (sv) *	1974-02-19	1975-09-25
JPS5123724A (en) *	1974-08-06	1976-02-25	Ricoh Kk	Fukushakitoniokeru suritsutoshomeisochi
JPS5173434A (en) *	1974-12-23	1976-06-25	Canon Kk	Rokosochi
US3998541A (en) *	1975-04-18	1976-12-21	Eastman Kodak Company	Illumination arrangement providing for interframe flashdown
NL7507493A (nl) *	1975-06-24	1976-12-28	Oce Van Der Grinten Nv	Kopieerinrichting.
US4046471A (en) *	1975-11-03	1977-09-06	International Business Machines Corporation	Dual mode electrophotographic apparatus having dual function printing beam
US4118119A (en) *	1976-09-02	1978-10-03	Xerox Corporation	Facetted edge fadeout reflector
US4162845A (en) *	1977-09-15	1979-07-31	Xerox Corporation	Copier for greater than standard length documents
US4183657A (en) *	1978-04-10	1980-01-15	International Business Machines Corporation	Dynamic reference for an image quality control system
US4178095A (en) *	1978-04-10	1979-12-11	International Business Machines Corporation	Abnormally low reflectance photoconductor sensing system
US4179213A (en) *	1978-04-10	1979-12-18	International Business Machines Corporation	Vector pinning in an electrophotographic machine
US4255042A (en) *	1979-03-26	1981-03-10	International Business Machines Corporation	Light pipe for accurate erasure of photoconductor charge
US4431301A (en) *	1980-03-12	1984-02-14	Tokyo Shibaura Denki Kabushiki Kaisha	Electrostatic copying apparatus with means for preventing contamination of reverse side of copying medium
CA1173890A (en) *	1980-08-28	1984-09-04	John H. Dodge	Control of copier start-up operations
US4463284A (en) *	1981-07-28	1984-07-31	Konishiroku Photo Industry Co., Ltd.	Method and apparatus for controlling luminous intensity of fluorescent lamp of reproducing apparatus
JPS5823033A (ja) *	1981-08-03	1983-02-10	Fuji Xerox Co Ltd	電子写真法
DE3334362A1 (de) *	1982-09-25	1984-03-29	Canon K.K., Tokyo	Bilderzeugungseinrichtung
JPS5968728A (ja) *	1982-10-12	1984-04-18	Canon Inc	原稿検出装置
DE3341774C3 (de) *	1982-11-20	1994-09-01	Canon Kk	Vorrichtung zur bereichsweisen Entladung eines photoleitfähigen Aufzeichnungsmaterials
US4505575A (en) *	1983-08-26	1985-03-19	Xerox Corporation	Non-image erase system for reproduction machines
US4655579A (en) *	1984-08-30	1987-04-07	Ricoh Company, Ltd.	Multicolored image forming apparatus
US4725868A (en) *	1985-06-17	1988-02-16	Mita Industrial Co., Ltd.	Electrostatic copying machine
JPS63274973A (ja) *	1987-05-06	1988-11-11	Ricoh Co Ltd	複写機のイレ−サ点灯制御装置
JPS63194616U (sv) *	1987-05-30	1988-12-14
JPH01198770A (ja) *	1987-10-16	1989-08-10	Ricoh Co Ltd	複写機の制御装置
US4914483A (en) *	1989-04-17	1990-04-03	Eastman Kodak Company	Electrostatographic transfer with artifact suppression
JP3162358B2 (ja) *	1989-04-30	2001-04-25	株式会社リコー	デジタル複写機
JP3089133B2 (ja) *	1993-05-18	2000-09-18	東北リコー株式会社	画像処理装置
US5802215A (en) *	1996-12-17	1998-09-01	Xerox Corporation	Quadrant-based density detection for lead edge lightening

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3135179A (en) *	1959-04-02	1964-06-02	Xerox Corp	Xerographic apparatus
BE793559A (fr) *	1971-12-30	1973-06-29	Xerox Corp	Machine electrostatographique comportant un dispositif de pre-developpement d'exposition

1974
- 1974-02-14 US US00442533A patent/US3834807A/en not_active Expired - Lifetime
- 1974-12-13 IT IT30511/74A patent/IT1027651B/it active
- 1974-12-27 FR FR7443565A patent/FR2261558B1/fr not_active Expired
- 1974-12-31 CA CA217,166A patent/CA1035004A/en not_active Expired
1975
- 1975-01-13 BE BE152342A patent/BE824343A/xx not_active IP Right Cessation
- 1975-01-14 JP JP50006010A patent/JPS5925219B2/ja not_active Expired
- 1975-01-27 NL NL7500896A patent/NL7500896A/xx not_active Application Discontinuation
- 1975-01-29 GB GB383875A patent/GB1447819A/en not_active Expired
- 1975-02-04 IL IL46565A patent/IL46565A/en unknown
- 1975-02-12 DE DE2505833A patent/DE2505833C2/de not_active Expired
- 1975-02-12 DK DK50575AA patent/DK142634B/da unknown
- 1975-02-13 CH CH176975A patent/CH581852A5/xx not_active IP Right Cessation
- 1975-07-16 SE SE7501420A patent/SE391591B/sv unknown

Also Published As

Publication number	Publication date
DK50575A (sv)	1975-10-13
FR2261558A1 (sv)	1975-09-12
IL46565A (en)	1977-12-30
DE2505833C2 (de)	1982-12-02
IL46565A0 (en)	1975-04-25
DK142634B (da)	1980-12-01
US3834807A (en)	1974-09-10
BE824343A (fr)	1975-05-02
IT1027651B (it)	1978-12-20
DK142634C (sv)	1981-08-03
NL7500896A (nl)	1975-08-18
CH581852A5 (sv)	1976-11-15
JPS5925219B2 (ja)	1984-06-15
DE2505833A1 (de)	1975-08-28
GB1447819A (en)	1976-09-02
FR2261558B1 (sv)	1978-12-22
CA1035004A (en)	1978-07-18
JPS50115832A (sv)	1975-09-10
SE7501420L (sv)	1975-08-15

Publication	Publication Date	Title
SE401957B (sv)	1978-06-05	Elektrofotografisk kopieringsapparat
SE391591B (sv)	1977-02-21	Elektrofotografisk kopieringsanordning
SE401567B (sv)	1978-05-16	Elektrostatografisk framkallare
IT1040228B (it)	1979-12-20	Copiatore telecopiatore
JPS511440A (ja)	1976-01-08	Shinkihokozokukarubonsanjudotai no seizohoho
JPS5125519A (ja)	1976-03-02	Garasuseniirisementoban no seizoho
SE407118B (sv)	1979-03-12	Elektrofotografisk kopieringsapparat
JPS5125464A (ja)	1976-03-02	Taishokuseinetsukokankanban no seizoho
JPS5125596A (ja)	1976-03-02	Ehokishijushisoseibutsu no seizohoho
JPS5114950A (ja)	1976-02-05	Horiesuteruerasutomaa no anteikahoho
SE387752B (sv)	1976-09-13	Elektrofotografiskt
JPS5134899A (ja)	1976-03-24	Anteinakatansansooda no seizoho
JPS5125466A (ja)	1976-03-02	Kannaimenniboshokusoojusuru aruminiumukanban no seizoho
JPS5116672A (ja)	1976-02-10	Kuromankanganjukagobutsu no seizohoho
JPS5125555A (ja)	1976-03-02	Sandoitsuchikozoojusuruseikeitai no rannaaresushashutsuseikeisochi
JPS511439A (ja)	1976-01-08	Hokozokuamidokarubonsan no seiho
JPS5117944A (ja)	1976-02-13	Enkabinirujushishoketsutai no morosakairyohoho
JPS5125580A (ja)	1976-03-02	Ribonjoitogomu no setsuchakukyokahoho
JPS5140264A (ja)	1976-04-03	Shindoshikidenkikamisorinochibatai no seizoho
JPS5125418A (ja)	1976-03-02	Renzokuchuzosetsubinadonishosuru rooruzairyotodorooru no netsushorihoho
JPS5125413A (ja)	1976-03-02	Netsushoryofunikigasu no saiseijunkansochi
JPS5125544A (ja)	1976-03-02	Nendoanteiseinosugureta mikaryugomuhaigobutsu no seizoho
JPS5124519A (ja)	1976-02-27	Hijikoseigokuteitansoreienkohan no seizohoho
JPS5125553A (ja)	1976-03-02	Mukijutenzaiganjuhoriamidojushisoseibutsu no seizoho
JPS5118827A (ja)	1976-02-14	Sekisokandenchotansoaenketsugodenkyoku no seizoho