JPS56112171A - Testing device for picture modification treatment - Google Patents

Testing device for picture modification treatment

Info

Publication number
JPS56112171A
JPS56112171A JP1461880A JP1461880A JPS56112171A JP S56112171 A JPS56112171 A JP S56112171A JP 1461880 A JP1461880 A JP 1461880A JP 1461880 A JP1461880 A JP 1461880A JP S56112171 A JPS56112171 A JP S56112171A
Authority
JP
Japan
Prior art keywords
information
pattern
processing
circuit
output 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.)
Pending
Application number
JP1461880A
Other languages
Japanese (ja)
Inventor
Mamoru Maeda
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 JP1461880A priority Critical patent/JPS56112171A/en
Publication of JPS56112171A publication Critical patent/JPS56112171A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Transmission Control (AREA)

Abstract

PURPOSE:To make it possible to decide the coincidence between a processing output signal of the information processed in a processing circuit and forecasting pattern information rapidly and precisely independently of its test pattern by comparing the processing output signal with the forecasting pattern information and generating decision output to decide whether both the singal and information consists with each other or not. CONSTITUTION:A stated pattern information CP which has been previously fixed is sent to picture processing circuit 2 according to modification command CS outputted from a control board which specifies the operation mode of picture modification on the basis of operator's selection although the board is not shown in this figure. According to the modification command CS, pattern generating part 1 sends forecasting pattern information SP of the processing result to be expected to an external device. Then, comparison part 3 compares processing output signal PP of of information CP with information SP both of which are processed in circuit 2 makes decision output JS to decide whether both consist with each other or not generate, making it possible to decide the coincidence independently of the test pattern by checking the operation of circuit 2 electrically.
JP1461880A 1980-02-08 1980-02-08 Testing device for picture modification treatment Pending JPS56112171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1461880A JPS56112171A (en) 1980-02-08 1980-02-08 Testing device for picture modification treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1461880A JPS56112171A (en) 1980-02-08 1980-02-08 Testing device for picture modification treatment

Publications (1)

Publication Number Publication Date
JPS56112171A true JPS56112171A (en) 1981-09-04

Family

ID=11866183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1461880A Pending JPS56112171A (en) 1980-02-08 1980-02-08 Testing device for picture modification treatment

Country Status (1)

Country Link
JP (1) JPS56112171A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967765A (en) * 1982-09-10 1984-04-17 Fujitsu Ltd Video signal check system of printer
JPS6046169A (en) * 1983-08-23 1985-03-12 Fujitsu Ltd Facsimile signal decoding device having decoding circuit verifying function
US5175633A (en) * 1990-10-10 1992-12-29 Fuji Xerox Co., Ltd. Method of diagnosing operating conditions of an image processor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5967765A (en) * 1982-09-10 1984-04-17 Fujitsu Ltd Video signal check system of printer
JPH0210631B2 (en) * 1982-09-10 1990-03-08 Fujitsu Ltd
JPS6046169A (en) * 1983-08-23 1985-03-12 Fujitsu Ltd Facsimile signal decoding device having decoding circuit verifying function
US5175633A (en) * 1990-10-10 1992-12-29 Fuji Xerox Co., Ltd. Method of diagnosing operating conditions of an image processor

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