JPS5589872A - Toner concentration control device - Google Patents

Toner concentration control device

Info

Publication number
JPS5589872A
JPS5589872A JP16170478A JP16170478A JPS5589872A JP S5589872 A JPS5589872 A JP S5589872A JP 16170478 A JP16170478 A JP 16170478A JP 16170478 A JP16170478 A JP 16170478A JP S5589872 A JPS5589872 A JP S5589872A
Authority
JP
Japan
Prior art keywords
concentration
toner
output
amplifier
power source
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
JP16170478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224791B2 (enrdf_load_stackoverflow
Inventor
Tadahiro Eda
Susumu Tatsumi
Tsutomu Imai
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 JP16170478A priority Critical patent/JPS5589872A/ja
Priority to US06/103,825 priority patent/US4279498A/en
Priority to DE2952672A priority patent/DE2952672C2/de
Publication of JPS5589872A publication Critical patent/JPS5589872A/ja
Publication of JPS6224791B2 publication Critical patent/JPS6224791B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP16170478A 1978-12-28 1978-12-28 Toner concentration control device Granted JPS5589872A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16170478A JPS5589872A (en) 1978-12-28 1978-12-28 Toner concentration control device
US06/103,825 US4279498A (en) 1978-12-28 1979-12-14 Electrostatographic copying apparatus with automatic toner density control
DE2952672A DE2952672C2 (de) 1978-12-28 1979-12-28 Elektrophotographisches Kopiergerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16170478A JPS5589872A (en) 1978-12-28 1978-12-28 Toner concentration control device

Publications (2)

Publication Number Publication Date
JPS5589872A true JPS5589872A (en) 1980-07-07
JPS6224791B2 JPS6224791B2 (enrdf_load_stackoverflow) 1987-05-29

Family

ID=15740280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16170478A Granted JPS5589872A (en) 1978-12-28 1978-12-28 Toner concentration control device

Country Status (1)

Country Link
JP (1) JPS5589872A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0588492A (ja) * 1991-02-12 1993-04-09 Fuji Xerox Co Ltd 複写機

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016305212B2 (en) * 2015-08-10 2020-04-16 Basf Se 3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0588492A (ja) * 1991-02-12 1993-04-09 Fuji Xerox Co Ltd 複写機

Also Published As

Publication number Publication date
JPS6224791B2 (enrdf_load_stackoverflow) 1987-05-29

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