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    DIGITAL PRINTING SYSTEM
    111.
    发明公开
    DIGITAL PRINTING SYSTEM 审中-公开

    公开(公告)号：US20230321972A1

    公开(公告)日：2023-10-12

    申请号：US18107874

    申请日：2023-02-09

    Applicant: LANDA CORPORATION LTD.

    Inventor： AHARON SHMAISER ,  Benzion LANDA ,  Sagi MOSKOVICH ,  Nir ZARMI ,  Yehuda SOLOMON ,  Shahar KLINGER ,  David TAL ,  Alon SIMAN-TOV

    IPC: B41J2/005 ,  B41J3/60

    CPC classification number: B41J2/0057 ,  B41J2/005 ,  B41J3/60 ,  B41J2002/012

    Abstract: A printing system for printing on a substrate, comprises a movable intermediate transfer member in the form of a flexible, substantially inextensible, belt guided to follow a closed path, an image forming station for depositing droplets of a liquid ink onto an outer surface of the belt to form an ink image, a drying station for drying the ink image on the belt to leave an ink residue film on the outer surface of the belt, first and second impression stations spaced from one another in the direction of movement of the belt, each impression station comprising an impression cylinder for supporting and transporting the substrate and a pressure cylinder carrying a compressible blanket for urging the belt against the substrate supported on the impression cylinder, and a transport system for transporting the substrate from the first impression station to the second impression station .The pressure cylinder of at least the first impression station is movable between a first position in which the belt is urged towards the impression cylinder to cause the residue film on the outer surface of the belt to be transferred onto the front side of the substrate supported on the impression cylinder, and a second position in which the belt is spaced from the impression cylinder to allow the ink image on the belt to pass through the first impression station and arrive intact at the second impression station for transfer onto the reverse side of the substrate supported on the second impression cylinder.

    Detecting a defective nozzle in a digital printing system
    113.
    发明公开
    Detecting a defective nozzle in a digital printing system 审中-公开

    公开(公告)号：US20230264483A1

    公开(公告)日：2023-08-24

    申请号：US17921359

    申请日：2021-05-12

    Applicant: LANDA CORPORATION LTD.

    Inventor： Boris Levant ,  Shai Silberstein ,  Tomer Yanir ,  Avraham Guttman ,  Alon Siman Tov

    IPC: B41J2/21 ,  G06N3/0464 ,  G06T7/00

    CPC classification number: B41J2/2142 ,  G06N3/0464 ,  G06T7/0004 ,  G06T2207/20084 ,  G06T2207/20081

    Abstract: A method includes, receiving a first digital image (FDI) to-be printed by a digital printing system (DPS) (10). In a in training phase: for first selected regions (111) in the FDI, a first set of synthetic images (SIs) (112A, 112B, 114A, 114B, 116A, 116B) having a defect caused by a defective part (DP) (99) in the first selected regions, is produced; a neural network (NN) (150) is trained to detect the defect using the first set SIs. In a subsequent detection phase: the NN is applied for identifying, in a second digital image (SDI) (136, 146) acquired from an image produced by the DPS, suspected second regions (135, 145); for each of the second regions, a second set (137, 147) of SIs having DPs that form the defects, is produced; and the DP is identified by comparing, in each of the second regions, between the SDI and the second set SIs.

    PROTECTION OF COMPONENTS OF DIGITAL PRINTING SYSTEMS
    117.
    发明申请
    PROTECTION OF COMPONENTS OF DIGITAL PRINTING SYSTEMS 有权

    公开(公告)号：US20220258508A1

    公开(公告)日：2022-08-18

    申请号：US17689614

    申请日：2022-03-08

    Applicant: LANDA CORPORATION LTD.

    Inventor： Aharon SHMAISER ,  Ido NATIV ,  Matan BAR-ON ,  Zohar GOLDENSTEIN

    IPC: B41J29/387 ,  B41J2/005 ,  B41J2/045

    Abstract: A printing system comprises an intermediate transfer member, an image-forming station comprising a print bar disposed over a surface of the ITM, a conveyer for driving rotation of the ITM, a detection system configured to detect foreign matter transported at a detection location upstream of the image-forming station, and a response system operatively coupled to the detection system to respond to the detection of foreign matter by performing at least one collision-prevention action to prevent a potential collision between foreign matter and the print bar.

    PRINTING SYSTEM
    118.
    发明申请
    PRINTING SYSTEM 有权

    公开(公告)号：US20220153048A1

    公开(公告)日：2022-05-19

    申请号：US17530507

    申请日：2021-11-19

    Applicant: LANDA CORPORATION LTD.

    Inventor： Benzion LANDA ,  Aharon Shmaiser ,  Itshak Ashkanazi

    IPC: B41M5/025 ,  B41J2/01

    Abstract: An intermediate transfer member (ITM) for use in a printing system to transport an ink image from an image forming station to an impression station for transfer of the ink image from the ITM onto a printing substrate, wherein the ITM is an endless flexible belt of substantially uniform width which, during use, passes over drive and guide rollers and is guided through at least the image forming station by means of guide channels that receive formations provided on both lateral edges of the belt, wherein the formations on a first edge differ from the formations on the second edge by being configured for providing the elasticity desired to maintain the belt taut when the belt is guided through their respective lateral channels.

    Digital Printing System
    119.
    发明申请
    Digital Printing System 有权

    公开(公告)号：US20220153016A1

    公开(公告)日：2022-05-19

    申请号：US17599567

    申请日：2020-03-22

    Applicant: Landa Corporation Ltd.

    Inventor： Benzion Landa ,  Rotem Adar ,  Evgeniy Pelepey

    IPC: B41J2/005 ,  B41J13/00 ,  B41J13/22 ,  B65H5/06 ,  B65H29/04

    Abstract: A system (10) includes an intermediate transfer member (ITM) (44) and a substrate conveyor (80). The ITM (44) is configured to receive droplets of one or more printing fluids so as to form an image thereon, and to transfer the image to a target substrate (50). The substrate conveyor (80) is configured to grip and move the target substrate (50) to and from the ITM (44) for transferal of the image, the substrate conveyor (80) includes one or more rotatable elements (110, 200), which are configured to provide mechanical support to the target substrate (50), such that, when the target substrate (50) moves over the one or more rotatable elements (110, 200), at least one of the rotatable elements (110, 200) is configured to rotate in response to a physical contact with the target substrate (50).

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