FR2316665B1 - - Google Patents

Info

Publication number
FR2316665B1
FR2316665B1 FR7620505A FR7620505A FR2316665B1 FR 2316665 B1 FR2316665 B1 FR 2316665B1 FR 7620505 A FR7620505 A FR 7620505A FR 7620505 A FR7620505 A FR 7620505A FR 2316665 B1 FR2316665 B1 FR 2316665B1
Authority
FR
France
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
FR7620505A
Other versions
FR2316665A1 (fr
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.)
Recognition Equipment Inc
Original Assignee
Recognition Equipment Inc
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 Recognition Equipment Inc filed Critical Recognition Equipment Inc
Publication of FR2316665A1 publication Critical patent/FR2316665A1/fr
Application granted granted Critical
Publication of FR2316665B1 publication Critical patent/FR2316665B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/26—Driving record carriers by members acting directly or indirectly thereon
    • G11B15/28—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal
    • G11B15/29—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal through pinch-rollers or tape rolls
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • 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
    • G06K7/01—Details
    • 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
    • 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
    • G06K7/10821—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 further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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
    • G06K7/10821—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 further details of bar or optical code scanning devices
    • G06K7/10881—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 further details of bar or optical code scanning devices constructional details of hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V10/7515—Shifting the patterns to accommodate for positional errors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/98—Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/10—Manually-operated control; Solenoid-operated control
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1883—Driving; Starting; Stopping; Arrangements for control or regulation thereof for record carriers inside containers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1018—Source control
FR7620505A 1974-01-07 1976-07-05 Dispositif d'elimination de donnees lues en sens inverse du sens normal Granted FR2316665A1 (fr)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US43137674A 1974-01-07 1974-01-07
US05/462,743 US3976973A (en) 1974-01-07 1974-04-22 Horizontal scan vertical simulation character reading
US05/462,742 US3947817A (en) 1974-01-07 1974-04-22 Hand operated optical character recognition wand
US05/569,692 US3964022A (en) 1974-01-07 1975-04-18 Hand-held scan data handling system
US05/593,118 US4048617A (en) 1974-01-07 1975-07-03 Retrace data elimination
US59617075A 1975-07-16 1975-07-16
US05/636,320 US4052742A (en) 1974-01-07 1975-11-28 Magnetic tape recorder drive mechanism having a latching member with a pause mode and a stop mode
NLAANVRAGE7514278,A NL172993C (nl) 1974-01-07 1975-12-08 Karakterherkenningsstelsel.
FR7539441A FR2336742A1 (fr) 1974-01-07 1975-12-23 Dispositif de reconnaissance optique de caracteres

Publications (2)

Publication Number Publication Date
FR2316665A1 FR2316665A1 (fr) 1977-01-28
FR2316665B1 true FR2316665B1 (fr) 1980-05-30

Family

ID=27576209

Family Applications (4)

Application Number Title Priority Date Filing Date
FR7539441A Granted FR2336742A1 (fr) 1974-01-07 1975-12-23 Dispositif de reconnaissance optique de caracteres
FR7620505A Granted FR2316665A1 (fr) 1974-01-07 1976-07-05 Dispositif d'elimination de donnees lues en sens inverse du sens normal
FR7621261A Granted FR2318465A1 (fr) 1974-01-07 1976-07-12 Dispositif de commande de lampe de lecteur portatif de reconnaissance optique de caracteres
FR7635760A Withdrawn FR2336762A1 (fr) 1974-01-07 1976-11-26 Dispositif de commande d'un appareil d'enregistrement sur bande magnetique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7539441A Granted FR2336742A1 (fr) 1974-01-07 1975-12-23 Dispositif de reconnaissance optique de caracteres

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR7621261A Granted FR2318465A1 (fr) 1974-01-07 1976-07-12 Dispositif de commande de lampe de lecteur portatif de reconnaissance optique de caracteres
FR7635760A Withdrawn FR2336762A1 (fr) 1974-01-07 1976-11-26 Dispositif de commande d'un appareil d'enregistrement sur bande magnetique

Country Status (7)

Country Link
US (6) US3976973A (fr)
JP (3) JPS5836392B2 (fr)
BE (2) BE843732A (fr)
DE (3) DE2630046A1 (fr)
FR (4) FR2336742A1 (fr)
GB (2) GB1521791A (fr)
NL (3) NL172993C (fr)

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DE2654339A1 (de) 1977-06-23
BE843732A (fr) 1977-01-03
US3964022A (en) 1976-06-15
NL7607340A (nl) 1977-01-05
DE2632206A1 (de) 1977-02-03
US4048617A (en) 1977-09-13
NL172993C (nl) 1983-06-16
GB1542699A (en) 1979-03-21
US4052742A (en) 1977-10-04
NL7607851A (nl) 1977-01-18
JPS5267602A (en) 1977-06-04
NL178197C (nl) 1986-02-03
NL172993B (nl) 1983-06-16
BE844201A (fr) 1977-01-17
US3947817A (en) 1976-03-30
NL171098C (nl) 1983-02-01
NL171098B (nl) 1982-09-01
JPS5211826A (en) 1977-01-29
FR2336742B1 (fr) 1980-06-20
FR2318465A1 (fr) 1977-02-11
FR2318465B1 (fr) 1983-08-26
NL7514278A (nl) 1977-06-10
FR2336762A1 (fr) 1977-07-22
DE2632206C2 (de) 1982-11-25
US3976973A (en) 1976-08-24
FR2316665A1 (fr) 1977-01-28
JPS529328A (en) 1977-01-24
DE2630046A1 (de) 1977-04-21
GB1521791A (en) 1978-08-16
US4143358A (en) 1979-03-06
JPS5836392B2 (ja) 1983-08-09
FR2336742A1 (fr) 1977-07-22

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