FR2426930A1 - Procede et appareil de formation d'images par un procede electrophotographique - Google Patents

Procede et appareil de formation d'images par un procede electrophotographique

Info

Publication number
FR2426930A1
FR2426930A1 FR7912355A FR7912355A FR2426930A1 FR 2426930 A1 FR2426930 A1 FR 2426930A1 FR 7912355 A FR7912355 A FR 7912355A FR 7912355 A FR7912355 A FR 7912355A FR 2426930 A1 FR2426930 A1 FR 2426930A1
Authority
FR
France
Prior art keywords
image
contrast
electrophotographic process
forming images
photoconductor
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.)
Granted
Application number
FR7912355A
Other languages
English (en)
French (fr)
Other versions
FR2426930B1 (enrdf_load_stackoverflow
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.)
Savin Corp
Original Assignee
Savin 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 Savin Corp filed Critical Savin Corp
Publication of FR2426930A1 publication Critical patent/FR2426930A1/fr
Application granted granted Critical
Publication of FR2426930B1 publication Critical patent/FR2426930B1/fr
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)
FR7912355A 1978-05-22 1979-05-15 Procede et appareil de formation d'images par un procede electrophotographique Granted FR2426930A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90835578A 1978-05-22 1978-05-22

Publications (2)

Publication Number Publication Date
FR2426930A1 true FR2426930A1 (fr) 1979-12-21
FR2426930B1 FR2426930B1 (enrdf_load_stackoverflow) 1985-04-05

Family

ID=25425651

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7912355A Granted FR2426930A1 (fr) 1978-05-22 1979-05-15 Procede et appareil de formation d'images par un procede electrophotographique

Country Status (6)

Country Link
JP (1) JPS554084A (enrdf_load_stackoverflow)
CA (1) CA1129481A (enrdf_load_stackoverflow)
DE (1) DE2920464A1 (enrdf_load_stackoverflow)
FR (1) FR2426930A1 (enrdf_load_stackoverflow)
GB (1) GB2021284B (enrdf_load_stackoverflow)
IT (1) IT1166754B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278884A (en) * 1978-11-09 1981-07-14 Savin Corporation Method and apparatus for xeroradiography
DE10301735B4 (de) * 2003-01-18 2007-01-18 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Dosierung mikroskaliger Partikel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219005A1 (de) * 1971-04-20 1972-12-21 Iwatsuki Koki Co Ltd Entwicklungsverfahren zur Verwendung bei Elektrophotographie
FR2263543A1 (enrdf_load_stackoverflow) * 1974-03-04 1975-10-03 Xerox Corp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219005A1 (de) * 1971-04-20 1972-12-21 Iwatsuki Koki Co Ltd Entwicklungsverfahren zur Verwendung bei Elektrophotographie
GB1374846A (en) * 1971-04-20 1974-11-20 Fuji Photo Optical Co Ltd Method of forming and developing an electrostatic latent image
FR2263543A1 (enrdf_load_stackoverflow) * 1974-03-04 1975-10-03 Xerox Corp
US3914609A (en) * 1974-03-04 1975-10-21 Xerox Corp Signal amplification by illumination of a partially developed latent electrostatic image

Also Published As

Publication number Publication date
IT7922017A0 (it) 1979-04-19
FR2426930B1 (enrdf_load_stackoverflow) 1985-04-05
CA1129481A (en) 1982-08-10
JPS6251466B2 (enrdf_load_stackoverflow) 1987-10-30
JPS554084A (en) 1980-01-12
IT1166754B (it) 1987-05-06
GB2021284B (en) 1982-08-04
DE2920464A1 (de) 1979-11-29
GB2021284A (en) 1979-11-28
DE2920464C2 (enrdf_load_stackoverflow) 1990-03-08

Similar Documents

Publication Publication Date Title
EP0727720A4 (en) METHOD AND DEVICE FOR LIQUID DEVELOPMENT
JPS5655939A (en) Silver halide photographic material
FR2426930A1 (fr) Procede et appareil de formation d'images par un procede electrophotographique
GB1496961A (en) Signal amplification by illumination of a partially developed electrostatic latent image
US3984182A (en) Pretransfer conditioning for electrostatic printing
JPS572048A (en) Electrophotography copying method
DE3271737D1 (en) Photosensitive relief image-forming materials and method of forming relief images using same
FR2441201A1 (fr) Procede et appareil de copie electrophotographique ayant une excellente resolution
JPS5621144A (en) Electrophotographic copying method
JPS5333632A (en) Micro-amount application development method and its device for electronic photography
DE69400326D1 (de) Negativ sowie positiv arbeitende, in einem Schritt entwickelbare Druckplatte sowie Bilderzeugungsverfahren
JPS56138755A (en) Copying apparatus which can copy optical image projected from optional device
SU996982A1 (ru) Способ фотографического размножени штриховых изображений
DE3376766D1 (en) Photographic method for the production of documents
JPS5348735A (en) Processing method of silver halide photosensitive material
JPS5340526A (en) Electrophotographic copy method
SU798683A1 (ru) Способ получени растрового изо-бРАжЕНи C НЕРЕгул РНОй СТРуКТуРОй
JPS5225637A (en) Development method for electrophotography
JPS55124157A (en) Electrostatic copying method
JPS57211177A (en) Picture reproducing device
JPS5476161A (en) Driving method of photoreceptor in electrostatic copying machine
JPS59186864U (ja) 電子写真装置
JPS5415753A (en) Electrophotographic image adjusting method
JPS5768862A (en) Copying method
JPS57197565A (en) Copying machine using screen photoreceptor

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse