JPS5432322A - Control method for copying function of copying machine - Google Patents

Control method for copying function of copying machine

Info

Publication number
JPS5432322A
JPS5432322A JP9857377A JP9857377A JPS5432322A JP S5432322 A JPS5432322 A JP S5432322A JP 9857377 A JP9857377 A JP 9857377A JP 9857377 A JP9857377 A JP 9857377A JP S5432322 A JPS5432322 A JP S5432322A
Authority
JP
Japan
Prior art keywords
copying
control method
function
copying machine
machine
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
JP9857377A
Other languages
Japanese (ja)
Inventor
Takashi Yokota
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 JP9857377A priority Critical patent/JPS5432322A/en
Publication of JPS5432322A publication Critical patent/JPS5432322A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

PURPOSE: To assuredly preserve screecy by detecting a special pattern provided at the original document in order to suspend the copying function.
COPYRIGHT: (C)1979,JPO&Japio
JP9857377A 1977-08-17 1977-08-17 Control method for copying function of copying machine Pending JPS5432322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9857377A JPS5432322A (en) 1977-08-17 1977-08-17 Control method for copying function of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9857377A JPS5432322A (en) 1977-08-17 1977-08-17 Control method for copying function of copying machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62182900A Division JPS63163866A (en) 1987-07-22 1987-07-22 Copying function controller for copying machine

Publications (1)

Publication Number Publication Date
JPS5432322A true JPS5432322A (en) 1979-03-09

Family

ID=14223403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9857377A Pending JPS5432322A (en) 1977-08-17 1977-08-17 Control method for copying function of copying machine

Country Status (1)

Country Link
JP (1) JPS5432322A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608880A (en) * 1983-06-29 1985-01-17 Fuji Xerox Co Ltd Device for preventing copying of confidential document
JPH07327137A (en) * 1995-05-30 1995-12-12 Canon Inc Control method for color image processor
JPH0898020A (en) * 1995-08-07 1996-04-12 Canon Inc Image processing unit
US5798844A (en) * 1993-07-23 1998-08-25 Ricoh Company, Ltd. Duplicator having function concerning specific mark put on recording sheet and image forming apparatus having function of processing confidential documents
US6381030B1 (en) 1991-03-29 2002-04-30 Canon Kabushiki Kaisha Image processing, copying, and printing apparatus having a part of a processing unit and a part of another unit formed as one inseparable unit
US8593657B2 (en) 2010-02-01 2013-11-26 Sharp Kabushiki Kaisha Image processing method, image processing apparatus, image forming apparatus, and recording medium for detecting printing-prohibited pattern

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608880A (en) * 1983-06-29 1985-01-17 Fuji Xerox Co Ltd Device for preventing copying of confidential document
JPH0326838B2 (en) * 1983-06-29 1991-04-12 Fuji Xerox Co Ltd
US6381030B1 (en) 1991-03-29 2002-04-30 Canon Kabushiki Kaisha Image processing, copying, and printing apparatus having a part of a processing unit and a part of another unit formed as one inseparable unit
US6388767B1 (en) 1991-03-29 2002-05-14 Canon Kabushiki Kaisha Image processing, copying, and printing apparatus having a part of a processing unit and a part of another unit formed as one inseparable unit
US5798844A (en) * 1993-07-23 1998-08-25 Ricoh Company, Ltd. Duplicator having function concerning specific mark put on recording sheet and image forming apparatus having function of processing confidential documents
JPH07327137A (en) * 1995-05-30 1995-12-12 Canon Inc Control method for color image processor
JPH0898020A (en) * 1995-08-07 1996-04-12 Canon Inc Image processing unit
US8593657B2 (en) 2010-02-01 2013-11-26 Sharp Kabushiki Kaisha Image processing method, image processing apparatus, image forming apparatus, and recording medium for detecting printing-prohibited pattern

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