JP2516624Y2 - 画像濃度補正装置 - Google Patents

画像濃度補正装置

Info

Publication number
JP2516624Y2
JP2516624Y2 JP1989013012U JP1301289U JP2516624Y2 JP 2516624 Y2 JP2516624 Y2 JP 2516624Y2 JP 1989013012 U JP1989013012 U JP 1989013012U JP 1301289 U JP1301289 U JP 1301289U JP 2516624 Y2 JP2516624 Y2 JP 2516624Y2
Authority
JP
Japan
Prior art keywords
image density
reference pattern
exposure
pattern
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.)
Expired - Lifetime
Application number
JP1989013012U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02119257U (OSRAM
Inventor
信行 佐藤
正樹 徳橋
隆 美才治
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1989013012U priority Critical patent/JP2516624Y2/ja
Publication of JPH02119257U publication Critical patent/JPH02119257U/ja
Application granted granted Critical
Publication of JP2516624Y2 publication Critical patent/JP2516624Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP1989013012U 1988-11-30 1989-02-08 画像濃度補正装置 Expired - Lifetime JP2516624Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989013012U JP2516624Y2 (ja) 1988-11-30 1989-02-08 画像濃度補正装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP15486288 1988-11-30
JP63-154862 1988-11-30
JP1989013012U JP2516624Y2 (ja) 1988-11-30 1989-02-08 画像濃度補正装置

Publications (2)

Publication Number Publication Date
JPH02119257U JPH02119257U (OSRAM) 1990-09-26
JP2516624Y2 true JP2516624Y2 (ja) 1996-11-06

Family

ID=31717249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989013012U Expired - Lifetime JP2516624Y2 (ja) 1988-11-30 1989-02-08 画像濃度補正装置

Country Status (1)

Country Link
JP (1) JP2516624Y2 (OSRAM)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515185A (en) * 1978-07-19 1980-02-02 Ricoh Co Ltd Image density control method
JPS56158346A (en) * 1980-05-10 1981-12-07 Ricoh Co Ltd Detecting method of fatigue degree of photoreceptor
JPS5723972A (en) * 1980-07-21 1982-02-08 Ricoh Co Ltd Control method for development bias
JPS61189419A (ja) * 1985-02-18 1986-08-23 Syst Gijutsu Kenkyusho:Kk 組合せ計量装置

Also Published As

Publication number Publication date
JPH02119257U (OSRAM) 1990-09-26

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