IT1003371B - ADJUSTABLE FADING CONTROL DEVICE PARTICULARLY FOR ELECTRO-STATIC PLAYBACK MACHINES - Google Patents

ADJUSTABLE FADING CONTROL DEVICE PARTICULARLY FOR ELECTRO-STATIC PLAYBACK MACHINES

Info

Publication number
IT1003371B
IT1003371B IT19354/74A IT1935474A IT1003371B IT 1003371 B IT1003371 B IT 1003371B IT 19354/74 A IT19354/74 A IT 19354/74A IT 1935474 A IT1935474 A IT 1935474A IT 1003371 B IT1003371 B IT 1003371B
Authority
IT
Italy
Prior art keywords
electro
control device
device particularly
fading control
playback machines
Prior art date
Application number
IT19354/74A
Other languages
Italian (it)
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 IT1003371B publication Critical patent/IT1003371B/en

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)
IT19354/74A 1973-01-15 1974-01-11 ADJUSTABLE FADING CONTROL DEVICE PARTICULARLY FOR ELECTRO-STATIC PLAYBACK MACHINES IT1003371B (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
IT1003371B true IT1003371B (en) 1976-06-10

Family

ID=23260316

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19354/74A IT1003371B (en) 1973-01-15 1974-01-11 ADJUSTABLE FADING CONTROL DEVICE PARTICULARLY FOR ELECTRO-STATIC PLAYBACK MACHINES

Country Status (12)

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

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 (en) * 1975-10-30 1977-05-05 Gerhard Ritzerfeld XEROGRAPHIC OR ELECTROSTATIC COPY DEVICE
IT1055822B (en) * 1976-01-20 1982-01-11 Olivetti E C Spa ELECTROPHOTOGRAPHIC COPIER MACHINE
JPS563715Y2 (en) * 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 (en) * 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 (en) * 1978-06-07 1985-04-18 Iwatsu Electric Co., Ltd., Tokio/Tokyo Electrophotographic copier
US4264201A (en) * 1978-11-13 1981-04-28 Pitney Bowes Inc. Electrostatic copying process
DE3334362A1 (en) * 1982-09-25 1984-03-29 Canon K.K., Tokyo IMAGE GENERATION DEVICE
JPS59228680A (en) * 1983-06-10 1984-12-22 Sharp Corp Electrophotographic copying machine
JPS619671A (en) * 1984-06-25 1986-01-17 Dainippon Screen Mfg Co Ltd Method and device for partial formation of copied image in electrophotographic copying device
NL8502186A (en) * 1985-08-05 1987-03-02 Oce Nederland Bv COPIER EQUIPPED WITH ADJUSTABLE FRAMERS.
US4745438A (en) * 1986-09-16 1988-05-17 Xerox Corporation Automatic copier show-around erase system
JPH01167777A (en) * 1987-12-23 1989-07-03 Minolta Camera Co Ltd Copying machine

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
BR6908841D0 (en) * 1968-05-24 1973-05-17 Xerox Corp SELECTIVE REVELATION CONTROL FOR ELECTROSTATIC PRODUCTION 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

Also Published As

Publication number Publication date
DE2361670B2 (en) 1979-08-30
FR2214141A1 (en) 1974-08-09
JPS557583B2 (en) 1980-02-26
NL7400134A (en) 1974-03-25
DE2361670A1 (en) 1974-07-18
GB1443371A (en) 1976-07-21
AU6444874A (en) 1975-07-17
BE809655A (en) 1974-05-02
FR2214141B1 (en) 1978-03-10
US3860338A (en) 1975-01-14
NL165579C (en) 1981-04-15
NL165579B (en) 1980-11-17
SE395777B (en) 1977-08-22
SU608489A3 (en) 1978-05-25
CA1018237A (en) 1977-09-27
BR7309926D0 (en) 1974-09-24
JPS49105539A (en) 1974-10-05

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