JPS6435530A - Image forming device - Google Patents

Image forming device

Info

Publication number
JPS6435530A
JPS6435530A JP19186487A JP19186487A JPS6435530A JP S6435530 A JPS6435530 A JP S6435530A JP 19186487 A JP19186487 A JP 19186487A JP 19186487 A JP19186487 A JP 19186487A JP S6435530 A JPS6435530 A JP S6435530A
Authority
JP
Japan
Prior art keywords
shutter
picture element
imaging
photosensitive body
open
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
JP19186487A
Other languages
Japanese (ja)
Other versions
JP2502317B2 (en
Inventor
Yutaka Inaba
Hideyuki Kawagishi
Makoto Kojima
Shuzo Kaneko
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP62191864A priority Critical patent/JP2502317B2/en
Priority to EP88110800A priority patent/EP0298460B1/en
Priority to DE88110800T priority patent/DE3884479T2/en
Priority to US07/215,791 priority patent/US4958912A/en
Publication of JPS6435530A publication Critical patent/JPS6435530A/en
Application granted granted Critical
Publication of JP2502317B2 publication Critical patent/JP2502317B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE:To form medium contrast photographic paper by exposing the same position of a photosensitive body plural times by a liquid crystal-optical shutter part and varying the aperture time of the liquid crystal-optical shutter apart with each row. CONSTITUTION:The windows of picture elements A-D on the shutter 31 are imaged on the imaging places A'-D' of the photosensitive body 32 by a lens array 33 for unmagnification inversion. Scanning is then repeated to form another images on the shutter and the photosensitive is moved by one line simultaneously therewith. The shutter windows of the picture elements B-D are imaged in the positions of the imaging places A'-C' respectively on the photosensitive body and while the imaging place D' comes to the outside of the imaging range, the imaging place Z' is newly brought to the position where the transmitted light from the shutter window of the picture element A is received. One point on the photosensitive body receives the transmitted light in order of the picture elements A B C D by repeating this operation. The entire exposing process is ended by 4 times of the scanning periods. Namely, the signal of open is applied by the picture element A, close by the picture element B, open by the picture element C, and open by the picture element D in the case of executing exposing of, for example, 11/15 gradation degree.
JP62191864A 1987-07-07 1987-07-31 Image forming device Expired - Fee Related JP2502317B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62191864A JP2502317B2 (en) 1987-07-31 1987-07-31 Image forming device
EP88110800A EP0298460B1 (en) 1987-07-07 1988-07-06 Image forming apparatus
DE88110800T DE3884479T2 (en) 1987-07-07 1988-07-06 Imaging device.
US07/215,791 US4958912A (en) 1987-07-07 1988-07-06 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62191864A JP2502317B2 (en) 1987-07-31 1987-07-31 Image forming device

Publications (2)

Publication Number Publication Date
JPS6435530A true JPS6435530A (en) 1989-02-06
JP2502317B2 JP2502317B2 (en) 1996-05-29

Family

ID=16281761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62191864A Expired - Fee Related JP2502317B2 (en) 1987-07-07 1987-07-31 Image forming device

Country Status (1)

Country Link
JP (1) JP2502317B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007030234A (en) * 2005-07-25 2007-02-08 Seiko Epson Corp Light exposing method, light emitting apparatus and image forming apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153028A (en) * 1984-01-23 1985-08-12 Canon Inc Image reproducing device
JPS61103122A (en) * 1984-10-27 1986-05-21 Konishiroku Photo Ind Co Ltd Image printer
JPS61116325A (en) * 1984-11-12 1986-06-03 Canon Inc Picture formation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153028A (en) * 1984-01-23 1985-08-12 Canon Inc Image reproducing device
JPS61103122A (en) * 1984-10-27 1986-05-21 Konishiroku Photo Ind Co Ltd Image printer
JPS61116325A (en) * 1984-11-12 1986-06-03 Canon Inc Picture formation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007030234A (en) * 2005-07-25 2007-02-08 Seiko Epson Corp Light exposing method, light emitting apparatus and image forming apparatus

Also Published As

Publication number Publication date
JP2502317B2 (en) 1996-05-29

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees