JPS5515169A - Recorder - Google Patents

Recorder

Info

Publication number
JPS5515169A
JPS5515169A JP8811978A JP8811978A JPS5515169A JP S5515169 A JPS5515169 A JP S5515169A JP 8811978 A JP8811978 A JP 8811978A JP 8811978 A JP8811978 A JP 8811978A JP S5515169 A JPS5515169 A JP S5515169A
Authority
JP
Japan
Prior art keywords
exposure
information
images
prior
intensity
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.)
Pending
Application number
JP8811978A
Other languages
Japanese (ja)
Inventor
Toshio Ike
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8811978A priority Critical patent/JPS5515169A/en
Publication of JPS5515169A publication Critical patent/JPS5515169A/en
Pending legal-status Critical Current

Links

Landscapes

  • Recording Measured Values (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)

Abstract

PURPOSE: To obtain images having stable medium contrast by detecting the surface potentials of the photoreceptor prior to exposure and compensating exposure information in the apparatus of intensity-modulating an exposure beam according to exposure information and obtaining the electrostatic latent images of the images having medium contrast.
CONSTITUTION: While the photosensitive drum 1 which has been evaporated with photoconductor on its surface is being rotated in the A direction, its surface potentials having been charged by a charger 2 are detected, place by place, by a potential detector 3 prior to exposure and this information is supplied together with the exposure information 8 such as of characters, images, etc. to a control circuit 7. The circuit 7 intensity-modulates the laser light from a laser oscillator 4 by the control signal based on the exposure information 8 and detected information in a laser modulator 5 to provide the exposure 9 having the intensity corresponding to the control signal. If the surface of the drum 1 is scanned and exposed by this, the potential attenuated quantity having corrected the exposure information by as much as uneven portions is given even if the surface potentials prior to exposure are uneven depending on places and therefore the electrostatic latent images having correct medium contrast may be obtained. The images are then developed by a developing device 6.
COPYRIGHT: (C)1980,JPO&Japio
JP8811978A 1978-07-19 1978-07-19 Recorder Pending JPS5515169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8811978A JPS5515169A (en) 1978-07-19 1978-07-19 Recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8811978A JPS5515169A (en) 1978-07-19 1978-07-19 Recorder

Publications (1)

Publication Number Publication Date
JPS5515169A true JPS5515169A (en) 1980-02-02

Family

ID=13934002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8811978A Pending JPS5515169A (en) 1978-07-19 1978-07-19 Recorder

Country Status (1)

Country Link
JP (1) JPS5515169A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189567A (en) * 1985-02-19 1986-08-23 Canon Inc Image forming device
US5189441A (en) * 1990-05-02 1993-02-23 Minolta Camera Kabushiki Kaisha Image forming apparatus having density control
US5206686A (en) * 1990-03-20 1993-04-27 Minolta Camera Kabushiki Kaisha Apparatus for forming an image with use of electrophotographic process including gradation correction
JPH05316872A (en) * 1992-05-15 1993-12-03 Narimasa Takeo Soil for cactus, its production and ornament of cactus for admiration using the soil
US5325122A (en) * 1992-02-07 1994-06-28 Minolta Camera Kabushiki Kaisha Apparatus for forming digital images
US5343235A (en) * 1990-03-20 1994-08-30 Minolta Camera Kabushiki Kaisha Apparatus and method for forming an image including correction for laser beam size
US5585927A (en) * 1992-05-19 1996-12-17 Minolta Camera Kabushiki Kaisha Digital image forming apparatus having gradation characteristic setting means
US5719613A (en) * 1990-03-20 1998-02-17 Minolta Co., Ltd. Apparatus for forming an image with use of electrophotographic process
US5959650A (en) * 1990-03-20 1999-09-28 Minolta Co., Ltd. Apparatus for forming an image with use of electrophotographic process
US6008911A (en) * 1992-05-19 1999-12-28 Minolta Co., Ltd. Digital image forming apparatus

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189567A (en) * 1985-02-19 1986-08-23 Canon Inc Image forming device
US5206686A (en) * 1990-03-20 1993-04-27 Minolta Camera Kabushiki Kaisha Apparatus for forming an image with use of electrophotographic process including gradation correction
US5343235A (en) * 1990-03-20 1994-08-30 Minolta Camera Kabushiki Kaisha Apparatus and method for forming an image including correction for laser beam size
US5719613A (en) * 1990-03-20 1998-02-17 Minolta Co., Ltd. Apparatus for forming an image with use of electrophotographic process
US5959650A (en) * 1990-03-20 1999-09-28 Minolta Co., Ltd. Apparatus for forming an image with use of electrophotographic process
US5189441A (en) * 1990-05-02 1993-02-23 Minolta Camera Kabushiki Kaisha Image forming apparatus having density control
US5325122A (en) * 1992-02-07 1994-06-28 Minolta Camera Kabushiki Kaisha Apparatus for forming digital images
JPH05316872A (en) * 1992-05-15 1993-12-03 Narimasa Takeo Soil for cactus, its production and ornament of cactus for admiration using the soil
JP2762192B2 (en) * 1992-05-15 1998-06-04 成雅 竹尾 Cactus soil, method for producing the same, and ornamental cactus figurine using the soil
US5585927A (en) * 1992-05-19 1996-12-17 Minolta Camera Kabushiki Kaisha Digital image forming apparatus having gradation characteristic setting means
US6008911A (en) * 1992-05-19 1999-12-28 Minolta Co., Ltd. Digital image forming apparatus

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