FR2214141A1 - - Google Patents

Info

Publication number
FR2214141A1
FR2214141A1 FR7401329A FR7401329A FR2214141A1 FR 2214141 A1 FR2214141 A1 FR 2214141A1 FR 7401329 A FR7401329 A FR 7401329A FR 7401329 A FR7401329 A FR 7401329A FR 2214141 A1 FR2214141 A1 FR 2214141A1
Authority
FR
France
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.)
Granted
Application number
FR7401329A
Other versions
FR2214141B1 (fr
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of FR2214141A1 publication Critical patent/FR2214141A1/fr
Application granted granted Critical
Publication of FR2214141B1 publication Critical patent/FR2214141B1/fr
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
    • G03G15/04—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
    • G03G2215/0446—Magnification degree
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
FR7401329A 1973-01-15 1974-01-15 Expired FR2214141B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US323690A US3860338A (en) 1973-01-15 1973-01-15 Adjustable fadeout control

Publications (2)

Publication Number Publication Date
FR2214141A1 true FR2214141A1 (fr) 1974-08-09
FR2214141B1 FR2214141B1 (fr) 1978-03-10

Family

ID=23260316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7401329A Expired FR2214141B1 (fr) 1973-01-15 1974-01-15

Country Status (12)

Country Link
US (1) US3860338A (fr)
JP (1) JPS557583B2 (fr)
BE (1) BE809655A (fr)
BR (1) BR7309926D0 (fr)
CA (1) CA1018237A (fr)
DE (1) DE2361670B2 (fr)
FR (1) FR2214141B1 (fr)
GB (1) GB1443371A (fr)
IT (1) IT1003371B (fr)
NL (1) NL165579C (fr)
SE (1) SE395777B (fr)
SU (1) SU608489A3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2330049A1 (fr) * 1975-10-30 1977-05-27 Ritzerfeld Gerhard Appareil de copie xerographique ou electrostatique
FR2363820A1 (fr) * 1976-09-02 1978-03-31 Xerox Corp Dispositif de formation d'images
FR2363821A1 (fr) * 1976-09-02 1978-03-31 Xerox Corp Dispositif d'exposition pour une machine de reproduction de documents muni d'un reflecteur a facettes d'affaiblissement des zones d'ombre correspondant aux bords du document

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1416062A (en) * 1973-03-30 1975-12-03 Xerox Corp Electrostatography
US4046467A (en) * 1975-05-14 1977-09-06 Xerox Corporation Zoom lens copier
IT1055822B (it) * 1976-01-20 1982-01-11 Olivetti E C Spa Macchina copiatrice elettrofotografica
JPS563715Y2 (fr) * 1976-07-13 1981-01-27
JPS53129639A (en) * 1977-04-19 1978-11-11 Mita Industrial Co Ltd Method of and device for electrostatic copying
JPS6134533Y2 (fr) * 1977-07-29 1986-10-07
US4162844A (en) * 1977-08-30 1979-07-31 Xerox Corporation Reproduction machine with duplex image shift
US4162845A (en) * 1977-09-15 1979-07-31 Xerox Corporation Copier for greater than standard length documents
JPS5494038A (en) * 1978-01-07 1979-07-25 Ricoh Co Ltd Copier for zerography
DE2824939C2 (de) * 1978-06-07 1985-04-18 Iwatsu Electric Co., Ltd., Tokio/Tokyo Elektrophotographisches Kopiergerät
US4264201A (en) * 1978-11-13 1981-04-28 Pitney Bowes Inc. Electrostatic copying process
DE3334362A1 (de) * 1982-09-25 1984-03-29 Canon K.K., Tokyo Bilderzeugungseinrichtung
JPS59228680A (ja) * 1983-06-10 1984-12-22 Sharp Corp 電子写真複写機
JPS619671A (ja) * 1984-06-25 1986-01-17 Dainippon Screen Mfg Co Ltd 電子写真複写機における複写画像の部分撮り方法およびそのための装置
NL8502186A (nl) * 1985-08-05 1987-03-02 Oce Nederland Bv Kopieerapparaat voorzien van instelbare kadreermiddelen.
US4745438A (en) * 1986-09-16 1988-05-17 Xerox Corporation Automatic copier show-around erase system
JPH01167777A (ja) * 1987-12-23 1989-07-03 Minolta Camera Co Ltd 複写機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2009304A1 (fr) * 1968-05-24 1970-01-30 Rank Xerox Ltd

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519184A (en) * 1946-04-05 1950-08-15 Rca Corp Control system
US3109990A (en) * 1961-09-07 1963-11-05 Automatic Elect Lab Ring counter with unique gating for self correction
US3391305A (en) * 1965-04-28 1968-07-02 New York Air Brake Co Timer unit having selectable rest position
US3392350A (en) * 1966-12-06 1968-07-09 Susquehanna Corp Variable timing circuit
US3708161A (en) * 1968-01-22 1973-01-02 Addressograph Multigraph Photoelectrostatic copying machine
US3661452A (en) * 1968-05-24 1972-05-09 Xerox Corp Xerographic reproduction machine
US3586437A (en) * 1968-10-28 1971-06-22 Stromberg Datagraphix Inc High-speed printer
US3638047A (en) * 1970-07-07 1972-01-25 Gen Instrument Corp Delay and controlled pulse-generating circuit
US3714519A (en) * 1970-10-05 1973-01-30 J Swinea Solid state timer
US3629664A (en) * 1970-11-12 1971-12-21 Allegheny Ludlum Ind Inc Solid-state timing module
US3721908A (en) * 1971-08-25 1973-03-20 Jetronic Ind Programmable timer for controlling the injection of additives to a dry cleaning solvent charge
US3778147A (en) * 1972-07-11 1973-12-11 Xerox Corp Electrostatic reproduction machine having selectable magnification ratios

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2009304A1 (fr) * 1968-05-24 1970-01-30 Rank Xerox Ltd

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2330049A1 (fr) * 1975-10-30 1977-05-27 Ritzerfeld Gerhard Appareil de copie xerographique ou electrostatique
FR2363820A1 (fr) * 1976-09-02 1978-03-31 Xerox Corp Dispositif de formation d'images
FR2363821A1 (fr) * 1976-09-02 1978-03-31 Xerox Corp Dispositif d'exposition pour une machine de reproduction de documents muni d'un reflecteur a facettes d'affaiblissement des zones d'ombre correspondant aux bords du document

Also Published As

Publication number Publication date
FR2214141B1 (fr) 1978-03-10
GB1443371A (en) 1976-07-21
US3860338A (en) 1975-01-14
DE2361670B2 (de) 1979-08-30
SE395777B (sv) 1977-08-22
CA1018237A (en) 1977-09-27
SU608489A3 (ru) 1978-05-25
BR7309926D0 (pt) 1974-09-24
BE809655A (fr) 1974-05-02
JPS557583B2 (fr) 1980-02-26
IT1003371B (it) 1976-06-10
JPS49105539A (fr) 1974-10-05
DE2361670A1 (de) 1974-07-18
NL7400134A (fr) 1974-03-25
AU6444874A (en) 1975-07-17
NL165579B (nl) 1980-11-17
NL165579C (nl) 1981-04-15

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