FR2479510B1 - IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES - Google Patents

IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES

Info

Publication number
FR2479510B1
FR2479510B1 FR8007359A FR8007359A FR2479510B1 FR 2479510 B1 FR2479510 B1 FR 2479510B1 FR 8007359 A FR8007359 A FR 8007359A FR 8007359 A FR8007359 A FR 8007359A FR 2479510 B1 FR2479510 B1 FR 2479510B1
Authority
FR
France
Prior art keywords
document analysis
analysis devices
optical document
optical
devices
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.)
Expired
Application number
FR8007359A
Other languages
French (fr)
Other versions
FR2479510A1 (en
Inventor
Jean-Yves Valet
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR8007359A priority Critical patent/FR2479510B1/en
Priority to JP4924381A priority patent/JPS56154870A/en
Priority to DE3113166A priority patent/DE3113166C2/en
Publication of FR2479510A1 publication Critical patent/FR2479510A1/en
Application granted granted Critical
Publication of FR2479510B1 publication Critical patent/FR2479510B1/en
Expired 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
    • 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
    • H04N1/126—Arrangements for the main scanning
    • H04N1/128—Arrangements for the main scanning using a scanning head arranged for linear reciprocating motion
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G06K7/10762—Relative movement
    • 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
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
    • 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
    • H04N1/19—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 multi-element arrays
    • H04N1/191—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 multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
    • H04N2201/04727—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on a linear encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control
FR8007359A 1980-04-01 1980-04-01 IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES Expired FR2479510B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8007359A FR2479510B1 (en) 1980-04-01 1980-04-01 IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES
JP4924381A JPS56154870A (en) 1980-04-01 1981-03-31 Optical analyzer for document
DE3113166A DE3113166C2 (en) 1980-04-01 1981-04-01 Device for electro-optical reading of a document or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8007359A FR2479510B1 (en) 1980-04-01 1980-04-01 IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES

Publications (2)

Publication Number Publication Date
FR2479510A1 FR2479510A1 (en) 1981-10-02
FR2479510B1 true FR2479510B1 (en) 1986-03-14

Family

ID=9240422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007359A Expired FR2479510B1 (en) 1980-04-01 1980-04-01 IMPROVEMENTS ON OPTICAL DOCUMENT ANALYSIS DEVICES

Country Status (3)

Country Link
JP (1) JPS56154870A (en)
DE (1) DE3113166C2 (en)
FR (1) FR2479510B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764815A (en) * 1985-06-24 1988-08-16 Powers Chemco Array scanning system with movable platen
JPS6217270U (en) * 1985-07-16 1987-02-02
JPH048695Y2 (en) * 1985-10-25 1992-03-04
JPH07101433B2 (en) * 1988-04-28 1995-11-01 松下電器産業株式会社 Optical pattern detector
JPH0262619A (en) * 1988-08-30 1990-03-02 Mutoh Ind Ltd Electronic desk
DE4016833A1 (en) * 1990-05-25 1991-11-28 Combiring Engineering & Consul Scanning large flat images for electronic storage and processing - using small hand scanner mounted in plotter covering large areas with accurate alignment of adjacent scanned sections

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1370526A (en) * 1963-02-15 1964-08-21 Fujitsu Ltd Method and device for reading graduated scales
FR1521760A (en) * 1966-05-02 1968-04-19 Xerox Corp Facsimile transmitter
DE1547447B1 (en) * 1967-01-05 1970-09-24 Sick Erwin Mirror wheel scanning arrangement
FR2385112A1 (en) * 1977-03-23 1978-10-20 Cit Alcatel Scanner for document analysis and transmission - has read head with eight cells sweeping eight lines simultaneously which are converted from parallel to serial by register
FR2390866A1 (en) * 1977-05-13 1978-12-08 Matra Facsimile transmission system using telephone lines - uses fibre=optics to provide coupling between document and read-write system

Also Published As

Publication number Publication date
JPS56154870A (en) 1981-11-30
DE3113166A1 (en) 1982-01-14
DE3113166C2 (en) 1984-05-30
FR2479510A1 (en) 1981-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse