JPS5756857A - Electroholography recording device - Google Patents

Electroholography recording device

Info

Publication number
JPS5756857A
JPS5756857A JP13256380A JP13256380A JPS5756857A JP S5756857 A JPS5756857 A JP S5756857A JP 13256380 A JP13256380 A JP 13256380A JP 13256380 A JP13256380 A JP 13256380A JP S5756857 A JPS5756857 A JP S5756857A
Authority
JP
Japan
Prior art keywords
negative
exposed
executed
exposure
image
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
JP13256380A
Other languages
Japanese (ja)
Other versions
JPS6355707B2 (en
Inventor
Masayuki Hida
Junzo Nakajima
Masakatsu Horie
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13256380A priority Critical patent/JPS5756857A/en
Publication of JPS5756857A publication Critical patent/JPS5756857A/en
Publication of JPS6355707B2 publication Critical patent/JPS6355707B2/ja
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)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)

Abstract

PURPOSE:To equalize recording of a positive image and a negative image, by charging the whose surface as soon as the negative image is exposed on the photosensitive body, varying the electrostatic capacity of an exposed part and an unexposed part, and after that, exposing the positive image. CONSTITUTION:Onto a photosensitive body 4 consisting of a conductive supporting body 1, a photoconductive body layer 2 and a permeable insulating layer 3, corona charging is executed by a charger 5 as soon as a negative is printed and exposed by means of a laser beam irradiation. As for the effective electrostatic capacity, that of the exposed part is larger, therefore, as for the charge density on the layer 3, that of the exposed part is higher. Subsequently, when the postive form exposure is executed, the potential of the unexposed part, and the exposure part for printing and exposing a negative becomes VS. Also, the unexposed part in the negative printing and exposing process is exposed by the positive form exposure, its capacity is increased, and the surface potential drops and becomes VL. Accordingly, a latent image is formed by only two processes of negative printing and exposure + charging, and positive form exposure, and when development is executed by a negative toner 6, uniform recording is executed.
JP13256380A 1980-09-24 1980-09-24 Electroholography recording device Granted JPS5756857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13256380A JPS5756857A (en) 1980-09-24 1980-09-24 Electroholography recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13256380A JPS5756857A (en) 1980-09-24 1980-09-24 Electroholography recording device

Publications (2)

Publication Number Publication Date
JPS5756857A true JPS5756857A (en) 1982-04-05
JPS6355707B2 JPS6355707B2 (en) 1988-11-04

Family

ID=15084218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13256380A Granted JPS5756857A (en) 1980-09-24 1980-09-24 Electroholography recording device

Country Status (1)

Country Link
JP (1) JPS5756857A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019455A (en) * 1983-07-15 1985-01-31 House Food Ind Co Ltd Preparation of soup put in container
JPS6057354A (en) * 1983-06-13 1985-04-03 Matsushita Electric Ind Co Ltd Copying device
JPH01501519A (en) * 1986-10-02 1989-06-01 チューリップ・スレイテリエルン・エイ・エム・ビー・エイ・ Method and oven for heat preservation treatment of raw meat products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057354A (en) * 1983-06-13 1985-04-03 Matsushita Electric Ind Co Ltd Copying device
JPS6019455A (en) * 1983-07-15 1985-01-31 House Food Ind Co Ltd Preparation of soup put in container
JPH01501519A (en) * 1986-10-02 1989-06-01 チューリップ・スレイテリエルン・エイ・エム・ビー・エイ・ Method and oven for heat preservation treatment of raw meat products

Also Published As

Publication number Publication date
JPS6355707B2 (en) 1988-11-04

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