IT1280471B1 - Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo - Google Patents

Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo

Info

Publication number
IT1280471B1
IT1280471B1 IT95TO000745A ITTO950745A IT1280471B1 IT 1280471 B1 IT1280471 B1 IT 1280471B1 IT 95TO000745 A IT95TO000745 A IT 95TO000745A IT TO950745 A ITTO950745 A IT TO950745A IT 1280471 B1 IT1280471 B1 IT 1280471B1
Authority
IT
Italy
Prior art keywords
document
detection
related device
beginning edge
beginning
Prior art date
Application number
IT95TO000745A
Other languages
English (en)
Inventor
Alessandro Crotti
Mauro Mondino
Stefano Schiffini
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT95TO000745A priority Critical patent/IT1280471B1/it
Publication of ITTO950745A0 publication Critical patent/ITTO950745A0/it
Priority to EP96114124A priority patent/EP0765070B1/en
Priority to DE69628105T priority patent/DE69628105T2/de
Priority to DK96114124T priority patent/DK0765070T3/da
Priority to ES96114124T priority patent/ES2200026T3/es
Publication of ITTO950745A1 publication Critical patent/ITTO950745A1/it
Application granted granted Critical
Publication of IT1280471B1 publication Critical patent/IT1280471B1/it

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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00745—Detecting the leading or trailing ends of a moving sheet
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/0075—Detecting a change in reflectivity
    • H04N1/00753—Detecting a change in reflectivity of a sheet relative to a particular backgroud
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00763—Action taken as a result of detection
    • H04N1/00769—Comparing, e.g. with threshold
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
IT95TO000745A 1995-09-20 1995-09-20 Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo IT1280471B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT95TO000745A IT1280471B1 (it) 1995-09-20 1995-09-20 Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo
EP96114124A EP0765070B1 (en) 1995-09-20 1996-09-04 Method for detecting the leading edge of a document and associated device
DE69628105T DE69628105T2 (de) 1995-09-20 1996-09-04 Verfahren und Vorrichtung zum Erkennen des Vorderrandes eines Dokuments
DK96114124T DK0765070T3 (da) 1995-09-20 1996-09-04 Fremgangsmåde til detektering af forkanten på et dokument og tilhørende anordning
ES96114124T ES2200026T3 (es) 1995-09-20 1996-09-04 Metodo para detectar el borde anterior de un documento y dispositivo yasociado.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95TO000745A IT1280471B1 (it) 1995-09-20 1995-09-20 Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo

Publications (3)

Publication Number Publication Date
ITTO950745A0 ITTO950745A0 (it) 1995-09-20
ITTO950745A1 ITTO950745A1 (it) 1997-03-20
IT1280471B1 true IT1280471B1 (it) 1998-01-20

Family

ID=11413819

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95TO000745A IT1280471B1 (it) 1995-09-20 1995-09-20 Metodo per il rilevamento del bordo di inizio di un documento e relativo dispositivo

Country Status (5)

Country Link
EP (1) EP0765070B1 (it)
DE (1) DE69628105T2 (it)
DK (1) DK0765070T3 (it)
ES (1) ES2200026T3 (it)
IT (1) IT1280471B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1165852C (zh) * 1997-07-02 2004-09-08 三星电子株式会社 检测打印介质前缘的方法
KR101297720B1 (ko) * 2008-09-25 2013-08-26 삼성전자주식회사 스캐너, 이를 포함하는 화상형성장치, 스캐너의 이미지 처리방법 및 화상형성장치의 인쇄방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789903A (en) * 1985-10-21 1988-12-06 Ricoh Company, Ltd. Integrated reader/recorder
US5214294A (en) * 1991-04-19 1993-05-25 Fuji Photo Film Co., Ltd. Scan reading method including density measuring and edge detection

Also Published As

Publication number Publication date
ITTO950745A1 (it) 1997-03-20
ES2200026T3 (es) 2004-03-01
ITTO950745A0 (it) 1995-09-20
DE69628105T2 (de) 2004-03-18
DE69628105D1 (de) 2003-06-18
EP0765070B1 (en) 2003-05-14
EP0765070A2 (en) 1997-03-26
DK0765070T3 (da) 2003-09-15
EP0765070A3 (en) 1998-09-16

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Legal Events

Date Code Title Description
0001 Granted