WO2011036086A1 - Procédé optique du contrôle pour l'évaluation de la qualité dans le retraitement sous pression - Google Patents

Procédé optique du contrôle pour l'évaluation de la qualité dans le retraitement sous pression Download PDF

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Publication number
WO2011036086A1
WO2011036086A1 PCT/EP2010/063602 EP2010063602W WO2011036086A1 WO 2011036086 A1 WO2011036086 A1 WO 2011036086A1 EP 2010063602 W EP2010063602 W EP 2010063602W WO 2011036086 A1 WO2011036086 A1 WO 2011036086A1
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WO
WIPO (PCT)
Prior art keywords
mirror
product
profile
line
beam profile
Prior art date
Application number
PCT/EP2010/063602
Other languages
German (de)
English (en)
Inventor
Carl Conrad Mäder
Original Assignee
Ferag Ag
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 Ferag Ag filed Critical Ferag Ag
Priority to DK10755144.2T priority Critical patent/DK2480470T3/da
Priority to EP10755144.2A priority patent/EP2480470B1/fr
Publication of WO2011036086A1 publication Critical patent/WO2011036086A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B65H43/04—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, presence of faulty articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/085—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers by combinations of endless conveyors and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/323—Hanging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/84—Quality; Condition, e.g. degree of wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras

Definitions

  • the present invention relates to an optical control method for quality evaluation in the print finishing according to the preamble of claim 1 and an apparatus for performing the method according to the preamble of claim. 7
  • Optical control methods for counting and detecting flexible, flat products, in particular printed products such as newspapers, magazines or parts thereof, are generally known in print finishing.
  • the device has a light source, an optical sensor and an evaluation unit connected to the optical sensor.
  • the light source in a preferred embodiment, a laser, has a beam shaping optics, for example in the form of optical lenses, in particular of cylindrical lenses, of apertures or diffractive optical elements, through which the emitted light, a predetermined illumination beam profile "imprinted" is. Within the illumination beam profile objects are irradiated with light.
  • the light source can be assigned an optical axis via the beam shaping optics, which extends straight from the light source in space.
  • the optical sensor in a preferred embodiment for example an electronic camera with a plurality of photosensitive elements, is equipped with a detection optical system for forming a detection beam profile.
  • detection optics for example, a camera lens is used.
  • the detection beam profile includes all the locations from which the optical sensor can detect light.
  • the detection beam profile of the optical sensor could be visualized by replacing the photosensitive elements with small light sources.
  • an optical axis can also be assigned to the optical sensor via the detection optics.
  • this optical axis simultaneously forms a central beam axis of the detection beam profile and is also referred to as a detection beam axis.
  • the illumination beam profile and the detection beam profile are oriented at an angle to one another in such a way that they act in an overlapping manner in a detection area.
  • the illumination beam axis and the detection beam axis are even in one plane.
  • the optical sensor may generate a detection signal with information about the detected portion of the surface profile.
  • the detection signal is forwarded to a downstream evaluation unit.
  • the evaluation unit preferably a computer, can use the detection signal to determine the number of areal products which were located in the detection area at the time of detection.
  • the apparatus for counting and detecting sheet-like products is assigned a transport device.
  • the flat products which are moved through the detection area along a transport direction by means of the transport device are preferably continuously counted in order, for example, to check their completeness.
  • the illumination beam axis is preferably aligned inclined relative to the surface normal of, for example, resting on a conveyor belt or transported by means of brackets or grippers flat products.
  • the illumination beam profile in the detection area is preferably formed by means of the beam shaping optics as a substantially rectilinear region, in particular as a so-called illumination line, which illuminates the section of the surface profile of the planar products in a defined manner.
  • the illumination line extends substantially parallel to the transport direction.
  • a camera as an optical sensor.
  • the detection beam profile is formed by the detection optics such that an image of the light line projected onto the surface of the planar products by the light source is generated on the photosensitive elements of the camera.
  • a computer-executable image processing program can then determine from the image of the projected illumination line on the basis of the curvatures and paragraphs the number of planar products that have been in the detection area.
  • the recording or detection time is short compared to the time within which a flat product has moved by the amount of its thickness.
  • the number of surface products located in the detection area is determined solely from the detected surface profile of the sheet-like products. It is not necessary to attach identification information to the sheet products. Due to the relative to the ambient light comparatively high intensity of the light generated by the light source in the illumination beam profile, in particular within the illumination line in the detection area, there is sufficient contrast in the image recordings, so that a reliable identification of the illuminated surface profile is guaranteed.
  • the optical sensor may be provided with corresponding filter elements to further reduce the interference of ambient light.
  • WO 20081 1 91 92 it is described as being particularly preferred to associate a transport device with the device for counting and detecting sheet-like products.
  • the flat products which are moved through the detection area along a transport direction by means of the transport device are preferably continuously counted in order, for example, to check their completeness.
  • the illumination beam axis is preferably aligned inclined relative to the surface normal of, for example, resting on a conveyor belt or transported by means of brackets or grippers flat products.
  • the illumination beam profile in the detection area is preferably formed by means of the beam shaping optics as a substantially rectilinear region, in particular as a so-called illumination line, which illuminates the section of the surface profile of the planar products in a defined manner.
  • the illumination line extends substantially parallel to the transport direction.
  • Detects a camera as an optical sensor are located Detects a camera as an optical sensor.
  • the detection beam profile is formed by the detection optics such that an image of the light line projected onto the surface of the planar products by the light source is generated on the photosensitive elements of the camera.
  • the recording or detection time is short compared to the time within which a flat product has moved by the amount of its thickness.
  • the number of surface products located in the detection area is determined solely from the detected surface profile of the sheet-like products. It is not necessary to attach identification information to the sheet products. Due to the relative to the ambient light comparatively high intensity of the light generated by the light source in the illumination beam profile, in particular within the illumination line in the detection area, there is sufficient contrast in the image recordings, so that a reliable identification of the illuminated surface profile is guaranteed.
  • the optical sensor when using a substantially monochromatic light source, such as a laser, the optical sensor may be provided with corresponding filter elements to further reduce the interference of ambient light. It is an object of the present invention to provide a method for quality assessment in post-press, which makes it possible to recognize and assess various quality defects.
  • a solution to the problem underlying the invention is given in method claim 1.
  • Features that advantageously further develop the method according to the invention are the subject of the dependent claims 2 to 6.
  • a solution of the object underlying the invention is given in the device claim 7.
  • Features which advantageously further develop the device according to the invention are the subject matter of dependent claims 8 to 12.
  • the optical control method for use in print finishing comprises at least the following steps: a. guiding a flat printed product, a product group or a product stream along a conveying path past at least one optical sensor; b. generating at least one beam profile; c. deflecting a portion of a beam profile to produce a mirror beam profile; d. an application of at least one flat printed product, a product group or a product stream, which are guided along a conveying path, with at least one beam profile and at least one mirror track profile; e. a simultaneous generation of at least one line profile defined by the beam profile and of at least one mirror line profile generated by a mirror light line; f.
  • the optical sensor capturing an electronic image by the optical sensor, wherein the electronic image comprises at least a portion of the line profile and the mirror line profile, and wherein one of the regions is directly detected and the mirror image is captured by the other region; G. determining from the electronic image of at least one product identifier based on the surface profile defined by the light line; H. generating at least one piece of eating information based on the at least one product label; and i. generating at least one signal based on the measurement information.
  • the term line profile is to be understood, on the one hand, as surface profiles as already disclosed in WO 2008/1 1 91 92 of the Applicant, in which the curvatures and paragraphs of the illumination line projected on the uneven "projection surface” of the product streams be played back.
  • the term line profile also includes intensity profiles which are caused by differences in the reflection and / or absorption behavior of the surfaces illuminated by the light line, regardless of whether these surfaces surfaces are plane or uneven "projection surfaces".
  • mirror line profiles surface profiles and intensity profiles are to be understood, which are generated by mirroring a beam profile by means of a mirror.
  • the new control method is characterized in that the mirror light line is generated by mirroring a section of the at least one beam profile on a first mirror and another section of the same beam profile produces the product to be controlled, respectively the product group to be controlled Product current applied directly.
  • the electronic image captured by the optical sensor preferably comprises a portion of the first mirror in which the mirror line profile is visible.
  • the electronic image preferably comprises the image of the light line of the directly detected line profile.
  • the line profile and the mirror line profile act according to a preferred embodiment, the same flat printed product, the same product group or the same product stream. This makes it possible, for example, to apply a front and a rear side of a product group at the same time and also to control it simultaneously without the need for a second camera as an optical sensor and / or a second projection means for generating the beam profile.
  • the light line and the mirror line are not from the same product. From the image processing unit the electronic image of the light line of the line profile of a product or a product group associated with the associated electronic image of the non-simultaneously recorded mirror light line of a mirror line profile of the same product or the same product group.
  • either the first recorded electronic image is stored in an image memory and after taking the second image combined with this and from both lines, the at least one product identifier is determined, or the product identifier is determined separately for both images and the belonging to the same product specification subsequently combined.
  • the determination of the at least one product identifier comprises determining a position specification of at least one product edge point (also referred to below as an edge point in the following). Based on preferably two or more edge points, an item of information is generated.
  • the product identifier is preferably a location indication that indicates the location of a product relative to a conveyor or relative to other products, a crisp indication that provides information about the format, width, height or length a printed product or a group of printed products, a positional information or an indication of presence, which makes it possible to determine the position or the presence of a product or a product group.
  • the device according to the invention for carrying out the optical control method comprises, in addition to at least one projection means for generating at least one beam profile for acting on the two-dimensional printed product to be controlled, the product group or the product stream, which are guided along a conveying path, with the at least one beam profile for generating a a line of light defined line profile at least a first mirror for mirroring at least a portion of the beam profile.
  • the mirror which is preferably flat, one section of the beam profile or, when using several beam profiles, one or more of the beam profiles can be deflected or reflected in such a way that such areas of the products are acted upon by a mirror line profile which is not direct by the projection means can be illuminated.
  • two or more mirrors are used to apply surfaces to beam profiles or to detect line profiles with the optical sensors.
  • the same profile can be redirected / mirrored by more than one mirror or different mirrors are used to mirror different beam or line profiles.
  • the at least one optical sensor which is preferably a digital camera, captures an electronic image of the printed product, product group, or product stream that passes the optical sensor along the conveyor path, the electronic image covering at least a portion of the printed product, product group, or product stream comprising at least a portion of the line profile defined by the light line and at least a portion of the mirror having at least a portion of the mirror line profile.
  • the mirror can be applied to areas of the products with a mirror line profile that can not be illuminated directly by the projection means and at the same time areas of the products can be detected by the optical sensor, which can not be viewed directly.
  • the device additionally comprises an image processing unit which is set up to determine at least one product identifier from the electronic image based on line profile and mirror line profile, to generate information based on the at least one product identifier, and at least one signal based on the information to create.
  • the area of the flat printed product or the product group which is acted on by the light line are held by the conveying means according to preferred embodiments in such a way that they are arranged approximately plane-parallel to the first mirror.
  • the optical sensor is preferably arranged with an oblique to the beam axis of the projection means extending optical axis away from the products to be controlled.
  • the first mirror is advantageously positioned such that it only partially reflects the beam profile of the projection means.
  • a single beam profile can be used to illuminate two different regions of the same product, product group, or product flow, as previously mentioned, for example, to apply front and back surfaces, or top and bottom surfaces, or first and second edges to be used.
  • a first region of a first product, of a first product group or of a first product stream can also be applied to the non-mirrored part of the beam profile and the mirror can be arranged and aligned in this way, the mirrored region of the beam profile acts on a second product or a second product group or a second product stream.
  • optical sensor and mirror are thus arranged such that the light line a first page and the mirror line of light a second side of the same or different printed product / s, the same or different product group / s or the same or different product flow / currents apply and the applied areas are detected simultaneously by the optical sensor directly and via the mirror.
  • Projection means, optical sensor and mirror are according to further embodiments arranged such that the light line act on a first region or a first edge of a printed product or a product group and the mirror light line to another area and / or another edge of the printed product or product group and the optical sensor detects the light line directly and the mirror light line in the mirror.
  • a second mirror in such a way that it reflects a detection beam profile at least in regions. This allows the mirroring of the beam profile to be decoupled with the first mirror and the detection of the electronic image of the first mirror.
  • the optical sensor no longer needs to detect the first mirror, only the second mirror.
  • the use of a second mirror allows much more freedom in the selection of the position of the optical sensor.
  • Fig. 1a is a side view of a device according to the invention for assessing quality with printed product groups, each composed of paired products held in parentheses of a conveyor, the front and the back of a product group being controlled;
  • Fig. 1 b is a view from above of the device according to Figure 1 a;
  • Fig. 2a is a side view of an inventive device for quality assessment with printed product groups, each composed of pairs in parentheses of a conveyor products held together, the back of a leading product group and the front of a two-stroke trailing product group are controlled;
  • FIG. 2 b shows a view from above of the device according to FIG. 2 a;
  • FIG. 3 is a perspective view of a device according to a further embodiment of the invention, for the control of product groups in a cut-out meadow transport device shown;
  • FIG. 4 shows a device according to the invention according to a further embodiment in a control situation according to FIG. 3.
  • the quality of the product stream is determined and controlled by printed products conveyed in brackets K in the conveying direction F.
  • brackets K are indicated, each holding two printed products in the region of an upper edge 1 1 0.
  • two products 1 01, 1 02 each are conveyed by a clamp K in the example shown.
  • the products 1 01, 1 02 are offset from each other, wherein the trailing in the conveying direction F product 1 01 each further into the bracket K projects as the leading in the conveying direction F product 1 02.
  • the products 1 01, 1 02 correctly aligned in brackets K1 and K2 and present in the correct number of two products.
  • Brackets K3 and K4 transport faulty product groups.
  • the leading product in the conveying direction is positioned incorrectly.
  • the upper edges of both products 1 01 ', 1 02' are approximately congruent and not offset from each other.
  • the pair of products of the bracket K3 is faulty due to the lack of offset of the products to each other. This error can be detected by checking the front side 1 05 of the product group.
  • the printed product pair 1 01, 1 02 is held in the clamp K2. It is checked whether exactly two products per clip are promoted, and whether these two products are correctly positioned in the clip.
  • an upper region of a front side 1 05 of the product group 1 01, 1 02 of a beam profile P which is generated by means of laser 1 0, directly irradiated.
  • the beam profile P illuminates not only the upper portion of the front side 1 05 directly, but also a mirror 1 5 is arranged in the conveying direction behind the product to be controlled group of the clamp K2 above the products 1 01, 1 02.
  • the mirror beam profile SP generated in this case, an upper region of a rear side 1 06 of the product group, in the present case of the product 1 01, applied.
  • a digital camera 20 detects an electronic image of the directly applied area on the front side 1 05 of the product group in the bracket K2 and from the mirror 1 5.
  • the camera is positioned and aligned so that in the mirror image of the upper portion of the acted upon with the mirror beam profile SP back 1 06 of the second product 01 is visible. Thanks to the mirror 1 5, the front and back of the product group can be optically captured simultaneously with a single shot.
  • the electronic image comprises the essential for product control range of the generated on the surface of the products line profile and at the same time the essential area of mirrored in mirror 1 5 mirror line profile as a light line and as a mirror line of light.
  • a first measurement information generated, for example, based on edge points will lead to a signal that the product group is correctly assembled and a second measurement information will lead to the signal that the position of the Products to each other is correct. Since the electronic image records both sides of the same product group at the same time, it can be immediately analyzed and further processed and caching can be dispensed with.
  • the beam profile P illuminates not only the upper portion of the front side 1 05 directly, but also a mirror 1 5 'which is arranged in the conveying direction between the product groups to be controlled of the brackets Kl and K3 above the products.
  • a mirror 1 5 ' which is arranged in the conveying direction between the product groups to be controlled of the brackets Kl and K3 above the products.
  • a digital camera 20 detects an electronic image of the directly applied area on the front side 1 05 of the product group in the bracket Kl and the mirror 1 5 '.
  • the camera is positioned and aligned in such a way that in the mirror image the upper region of the rear side 1 06 'of the second product 1 01' acted upon by the mirror beam profile SP is visible. Thanks to the mirror 1 5 'so the front of the product group of the bracket Kl and - and the back of the product group in the bracket K3 can be detected simultaneously with a single shot at the same time.
  • the electronic image includes the essential for product control range generated on the surface of the trailing in the conveying direction products 1 01, 1 02 line profile and at the same time the essential area of mirror 1 5 'mirrored mirror line profile of leading in the conveying direction product group 1 01', 1 02 'as a light line and as a mirror light line.
  • Either the section of the electronic image comprising the line of light from the front side can be temporarily stored, as long as - two machine cycles later - the associated electronic image - or the image section - the mirror light line of the rear side 1 06 is present.
  • the relevant areas, or the detected light lines from these areas of the product group to be controlled 1 01, 1 02 can be evaluated together at this time.
  • the first recorded electronic image in the present case, the image of the front side 1 05 of bracket Kl, respectively the relevant area with the light line, processed and evaluated together with the image area of the rear side 1 06 'of the leading product group of bracket K3.
  • the decisive factor is that in all cases the actual signal, which is generated based on the ess information, is based on the electronic images of the relevant areas of the same product or the same product group.
  • laser 1 0 and camera 20 are offset relative to one another by an angle ⁇ above the delivery flow.
  • the detection range of the camera 20 is indicated by dashed lines.
  • the invention makes it possible to select the position of the relevant parts of the system, ie mirrors, lasers and cameras, taking into account the product positions and other spatial conditions such that the line profiles and mirror profiles generated for optical detection and further processing and analysis are selected. Line profiles, respectively, the corresponding light lines and mirror light lines have an optimal course.
  • FIG. 3 shows a perspective view of a control situation in which the camera 20 and the laser 10 are arranged angularly offset relative to each other above the gripper conveyor, as in FIGS. 1a and 1b.
  • faulty compiled product groups in which, for example, a surplus product 1 03 is held in a clamp in addition to the correct products 1 01, 1 02 are to be recognized.
  • the angular position of camera 20 and laser 1 0 to each other and their positioning relative to the mirror 1 5 is optimized for detecting a surface profile.
  • the surfaces acted upon by the laser at an approximately right angle are plane and uneven "projection surfaces".
  • the unevenness which is formed for example by the product edges, can be better recognized by the angular offset of the camera relative to the laser.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

L'invention concerne un procédé de contrôle optique pour évaluer la qualité dans le retraitement sous pression et un dispositif pour mettre en œuvre du procédé, avec lesquels au moins un produit sous pression (101, 102) plat, un groupe de produits ou un flux de produit, qui sont guidés le long d'une section de transport, sont alimentés avec au moins un profil de faisceau S et au moins un profil de faisceau de miroir SP. Le profil de faisceau et le profil de faisceau de miroir permettent de générer sur différentes surfaces (105, 106) des produits sous pression (101, 102), du groupe de produits ou du flux de produit des profils de ligne et des profils de ligne de miroir, qui peuvent être saisis à leur tour simultanément par une caméra (20) directement et dans le miroir (15).
PCT/EP2010/063602 2009-09-23 2010-09-16 Procédé optique du contrôle pour l'évaluation de la qualité dans le retraitement sous pression WO2011036086A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK10755144.2T DK2480470T3 (da) 2009-09-23 2010-09-16 Optisk kontrolfremgangsmåde til kvalitetsbedømmelse ved efterbehandling af trykte produkter
EP10755144.2A EP2480470B1 (fr) 2009-09-23 2010-09-16 Procédé optique du contrôle pour l'évaluation de la qualité dans le retraitement sous pression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01464/09 2009-09-23
CH01464/09A CH701910A1 (de) 2009-09-23 2009-09-23 Optisches Kontrollverfahren zur Qualitätsbeurteilung in der Druckweiterverarbeitung.

Publications (1)

Publication Number Publication Date
WO2011036086A1 true WO2011036086A1 (fr) 2011-03-31

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PCT/EP2010/063602 WO2011036086A1 (fr) 2009-09-23 2010-09-16 Procédé optique du contrôle pour l'évaluation de la qualité dans le retraitement sous pression

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EP (1) EP2480470B1 (fr)
CH (1) CH701910A1 (fr)
DK (1) DK2480470T3 (fr)
WO (1) WO2011036086A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645092A (zh) * 2020-07-03 2021-04-13 住华科技股份有限公司 自动化取放片设备以及光学膜的取放方法

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WO2006016186A1 (fr) * 2004-08-12 2006-02-16 Wessex Technology Opto-Electronic Products Ltd Méthode de détection de l’alimentation de deux documents
US20060269102A1 (en) * 2005-05-02 2006-11-30 Carpenter Michael D Method and apparatus for detecting doubles in a singulated stream of flat articles
WO2007012206A1 (fr) * 2005-07-29 2007-02-01 Ferag Ag Procede et dispositif pour controler des produits plats transportes par agrafes
WO2008119192A1 (fr) 2007-04-03 2008-10-09 Ferag Ag Dispositif et procédé permettant de compter et d'identifier des produits plats
EP1992580A2 (fr) * 2007-05-16 2008-11-19 Ferag AG Procédé et dispositif destinés à l'ouverture de produits d'impression

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006016186A1 (fr) * 2004-08-12 2006-02-16 Wessex Technology Opto-Electronic Products Ltd Méthode de détection de l’alimentation de deux documents
US20060269102A1 (en) * 2005-05-02 2006-11-30 Carpenter Michael D Method and apparatus for detecting doubles in a singulated stream of flat articles
WO2007012206A1 (fr) * 2005-07-29 2007-02-01 Ferag Ag Procede et dispositif pour controler des produits plats transportes par agrafes
WO2008119192A1 (fr) 2007-04-03 2008-10-09 Ferag Ag Dispositif et procédé permettant de compter et d'identifier des produits plats
EP1992580A2 (fr) * 2007-05-16 2008-11-19 Ferag AG Procédé et dispositif destinés à l'ouverture de produits d'impression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112645092A (zh) * 2020-07-03 2021-04-13 住华科技股份有限公司 自动化取放片设备以及光学膜的取放方法

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Publication number Publication date
DK2480470T3 (da) 2013-11-25
EP2480470B1 (fr) 2013-08-28
CH701910A1 (de) 2011-03-31
EP2480470A1 (fr) 2012-08-01

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