JPS63120265U - - Google Patents

Info

Publication number
JPS63120265U
JPS63120265U JP1117887U JP1117887U JPS63120265U JP S63120265 U JPS63120265 U JP S63120265U JP 1117887 U JP1117887 U JP 1117887U JP 1117887 U JP1117887 U JP 1117887U JP S63120265 U JPS63120265 U JP S63120265U
Authority
JP
Japan
Prior art keywords
toner concentration
light emitting
emitting diode
transistor
detection signal
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
JP1117887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0631486Y2 (ja
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 filed Critical
Priority to JP1117887U priority Critical patent/JPH0631486Y2/ja
Publication of JPS63120265U publication Critical patent/JPS63120265U/ja
Application granted granted Critical
Publication of JPH0631486Y2 publication Critical patent/JPH0631486Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Dry Development In Electrophotography (AREA)
JP1117887U 1987-01-28 1987-01-28 トナ−濃度監視回路 Expired - Lifetime JPH0631486Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1117887U JPH0631486Y2 (ja) 1987-01-28 1987-01-28 トナ−濃度監視回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1117887U JPH0631486Y2 (ja) 1987-01-28 1987-01-28 トナ−濃度監視回路

Publications (2)

Publication Number Publication Date
JPS63120265U true JPS63120265U (US08197722-20120612-C00042.png) 1988-08-03
JPH0631486Y2 JPH0631486Y2 (ja) 1994-08-22

Family

ID=30798158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1117887U Expired - Lifetime JPH0631486Y2 (ja) 1987-01-28 1987-01-28 トナ−濃度監視回路

Country Status (1)

Country Link
JP (1) JPH0631486Y2 (US08197722-20120612-C00042.png)

Also Published As

Publication number Publication date
JPH0631486Y2 (ja) 1994-08-22

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