CA1018237A - Adjustable fadeout control - Google Patents

Adjustable fadeout control

Info

Publication number
CA1018237A
CA1018237A CA190,057A CA190057A CA1018237A CA 1018237 A CA1018237 A CA 1018237A CA 190057 A CA190057 A CA 190057A CA 1018237 A CA1018237 A CA 1018237A
Authority
CA
Canada
Prior art keywords
adjustable
fadeout
control
fadeout control
adjustable fadeout
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
CA190,057A
Other languages
English (en)
Inventor
Edward G. Reehil
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
Application granted granted Critical
Publication of CA1018237A publication Critical patent/CA1018237A/en
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)
CA190,057A 1973-01-15 1974-01-14 Adjustable fadeout control Expired CA1018237A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1018237A true CA1018237A (en) 1977-09-27

Family

ID=23260316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA190,057A Expired CA1018237A (en) 1973-01-15 1974-01-14 Adjustable fadeout control

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)

Families Citing this family (20)

* 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
DE2548836A1 (de) * 1975-10-30 1977-05-05 Gerhard Ritzerfeld Xerographisches bzw. elektrostatisches kopiergeraet
IT1055822B (it) * 1976-01-20 1982-01-11 Olivetti E C Spa Macchina copiatrice elettrofotografica
JPS563715Y2 (fr) * 1976-07-13 1981-01-27
US4118119A (en) * 1976-09-02 1978-10-03 Xerox Corporation Facetted edge fadeout reflector
US4120579A (en) * 1976-09-02 1978-10-17 Xerox Corporation Imaging system for a photocopying device
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

Family Cites Families (13)

* 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
BR6908841D0 (pt) * 1968-05-24 1973-05-17 Xerox Corp Controle de revelacao seletiva para maquina eletrostatica de producao
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

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
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
FR2214141A1 (fr) 1974-08-09
NL165579C (nl) 1981-04-15

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