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JPS5357830A - Detection process for improper operation of cut filters for color printer - Google Patents

Detection process for improper operation of cut filters for color printer

Info

Publication number
JPS5357830A
JPS5357830A JP13293576A JP13293576A JPS5357830A JP S5357830 A JPS5357830 A JP S5357830A JP 13293576 A JP13293576 A JP 13293576A JP 13293576 A JP13293576 A JP 13293576A JP S5357830 A JPS5357830 A JP S5357830A
Authority
JP
Japan
Prior art keywords
cut filters
improper operation
detection process
color printer
filters
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
JP13293576A
Other languages
Japanese (ja)
Other versions
JPS5990B2 (en
Inventor
Kanji Tokuda
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP13293576A priority Critical patent/JPS5990B2/en
Publication of JPS5357830A publication Critical patent/JPS5357830A/en
Publication of JPS5990B2 publication Critical patent/JPS5990B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Projection-Type Copiers In General (AREA)
  • Control Of Exposure In Printing And Copying (AREA)

Abstract

PURPOSE: To detect improper operation of cut filters by comparing the logarithmically converted values of signals detected before and after inserting the cut filters and by detecting the comparison outputs.
COPYRIGHT: (C)1978,JPO&Japio
JP13293576A 1976-11-04 1976-11-04 How to detect malfunction of cut filter for color printer Expired JPS5990B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13293576A JPS5990B2 (en) 1976-11-04 1976-11-04 How to detect malfunction of cut filter for color printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13293576A JPS5990B2 (en) 1976-11-04 1976-11-04 How to detect malfunction of cut filter for color printer

Publications (2)

Publication Number Publication Date
JPS5357830A true JPS5357830A (en) 1978-05-25
JPS5990B2 JPS5990B2 (en) 1984-01-05

Family

ID=15092929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13293576A Expired JPS5990B2 (en) 1976-11-04 1976-11-04 How to detect malfunction of cut filter for color printer

Country Status (1)

Country Link
JP (1) JPS5990B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5971039A (en) * 1982-10-15 1984-04-21 Shashin Kogyo:Kk Filter controller of color photographic enlarger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5971039A (en) * 1982-10-15 1984-04-21 Shashin Kogyo:Kk Filter controller of color photographic enlarger

Also Published As

Publication number Publication date
JPS5990B2 (en) 1984-01-05

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