IL46565D0 - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
IL46565D0
IL46565D0 IL4656575A IL4656575A IL46565D0 IL 46565 D0 IL46565 D0 IL 46565D0 IL 4656575 A IL4656575 A IL 4656575A IL 4656575 A IL4656575 A IL 4656575A IL 46565 D0 IL46565 D0 IL 46565D0
Authority
IL
Israel
Prior art keywords
copying apparatus
copying
apparatus
Prior art date
Application number
IL4656575A
Other versions
IL46565A (en
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.)
Filing date
Publication date
Priority to US44253374 priority Critical patent/US3834807A/en
Application filed by Ibm filed Critical Ibm
Publication of IL46565D0 publication Critical patent/IL46565D0/en
Publication of IL46565A publication Critical patent/IL46565A/en

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/045Apparatus 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
    • G03G15/047Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0431Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0434Parameters defining the non-image area to be cleaned
    • G03G2215/0436Document properties at the scanning position, e.g. position and density
    • G03G2215/0439Automatic detection of properties
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0431Producing a clean non-image area, i.e. avoiding show-around effects
    • G03G2215/0448Charge-erasing means for the non-image area
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0468Image area information changed (default is the charge image)
    • G03G2215/047Image corrections
    • G03G2215/0473Image corrections due to document imperfections, e.g. punchholes, books
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0468Image area information changed (default is the charge image)
    • G03G2215/048Technical-purpose-oriented image area changes
    • G03G2215/0482Toner-free areas produced
    • G03G2215/0485Avoiding problems in standard processing steps, such as transfer and fixing
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00Apparatus for electrophotographic processes
    • G03G2215/04Arrangements for exposing and producing an image
    • G03G2215/0429Changing or enhancing the image
    • G03G2215/0468Image area information changed (default is the charge image)
    • G03G2215/0492Without changing the charge image
IL4656575A 1974-02-14 1975-02-04 Electrophotographic copying apparatus with leading edge image control IL46565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US44253374 US3834807A (en) 1974-02-14 1974-02-14 Copier with leading edge image control

Publications (2)

Publication Number Publication Date
IL46565D0 true IL46565D0 (en) 1975-04-25
IL46565A IL46565A (en) 1977-12-30

Family

ID=23757173

Family Applications (1)

Application Number Title Priority Date Filing Date
IL4656575A IL46565A (en) 1974-02-14 1975-02-04 Electrophotographic copying apparatus with leading edge image control

Country Status (13)

Country Link
US (1) US3834807A (en)
JP (1) JPS5925219B2 (en)
BE (1) BE824343A (en)
CA (1) CA1035004A (en)
CH (1) CH581852A5 (en)
DE (1) DE2505833C2 (en)
DK (1) DK142634C (en)
FR (1) FR2261558B1 (en)
GB (1) GB1447819A (en)
IL (1) IL46565A (en)
IT (1) IT1027651B (en)
NL (1) NL7500896A (en)
SE (1) SE391591B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50122263A (en) * 1974-02-19 1975-09-25
JPS5342414B2 (en) * 1974-08-06 1978-11-11
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 (en) * 1975-06-24 1976-12-28 Oce Van Der Grinten Nv Copy Device.
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
US4179213A (en) * 1978-04-10 1979-12-18 International Business Machines Corporation Vector pinning in an electrophotographic machine
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
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 (en) * 1981-08-03 1983-02-10 Fuji Xerox Co Ltd Electrophotographic method
DE3334362C2 (en) * 1982-09-25 1987-08-20 Canon K.K., Tokio/Tokyo, Jp
JPS5968728A (en) * 1982-10-12 1984-04-18 Canon Inc Detecting device of original
DE3341774C2 (en) * 1982-11-20 1994-09-01 Canon K.K., Tokio/Tokyo, Jp
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 (en) * 1987-05-06 1988-11-11 Ricoh Co Ltd Eraser lighting controller for copying machine
JPS63194616U (en) * 1987-05-30 1988-12-14
JPH01198770A (en) * 1987-10-27 1989-08-10 Ricoh Co Ltd Controller for copying machine
US4914483A (en) * 1989-04-17 1990-04-03 Eastman Kodak Company Electrostatographic transfer with artifact suppression
JP3162358B2 (en) * 1989-04-30 2001-04-25 株式会社リコー Digital copiers
JP3089133B2 (en) * 1993-05-18 2000-09-18 東北リコー株式会社 Image processing apparatus
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 (en) * 1971-12-30 1973-06-29 Xerox Corp electrostatographic machine having a pre-development exposure device

Also Published As

Publication number Publication date
CA1035004A (en) 1978-07-18
SE391591B (en) 1977-02-21
GB1447819A (en) 1976-09-02
DK142634B (en) 1980-12-01
JPS5925219B2 (en) 1984-06-15
FR2261558A1 (en) 1975-09-12
FR2261558B1 (en) 1978-12-22
BE824343A (en) 1975-05-02
DK142634C (en) 1981-08-03
IT1027651B (en) 1978-12-20
DE2505833A1 (en) 1975-08-28
CH581852A5 (en) 1976-11-15
NL7500896A (en) 1975-08-18
IL46565A (en) 1977-12-30
DK50575A (en) 1975-10-13
JPS50115832A (en) 1975-09-10
US3834807A (en) 1974-09-10
DE2505833C2 (en) 1982-12-02
BE824343A1 (en)
CA1035004A1 (en)
SE7501420A (en) 1975-08-15

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