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    Laser Machining Device
    1.
    发明申请
    Laser Machining Device 审中-公开

    公开(公告)号：US20190184491A1

    公开(公告)日：2019-06-20

    申请号：US16167559

    申请日：2018-10-23

    申请人： Keyence Corporation

    发明人： Mamoru Idaka ,  Masaki Saito ,  Hideki Yamakawa ,  Kazuyoshi Ogawa

    IPC分类号： B23K26/06 ,  H01S3/0941 ,  B23K26/082

    CPC分类号： B23K26/0648 ,  B23K26/0665 ,  B23K26/082 ,  H01S3/0941

    摘要： To prevent an output decrease of laser light due to impurities that could be formed in a guide-light emitting device or an imaging device. A laser-light guiding section includes a transmission window section, an optical component disposed to cause an optical path of the UV laser light emitted from the laser-light output section and an optical path of transmitted light transmitted through the transmission window section to cross, and a sealing member in which the transmission window section is provided, the sealing member configuring a sealed space for airtightly housing the optical component. At least one of a guide-light emitting device configured to emit guide light for visualizing a scanning position of the UV laser light toward the transmission window section and an imaging device configured to receive light for imaging a workpiece via the transmission window section is disposed on the outer side of the sealed space.

    INK JET PRINTER
    6.
    发明公开
    INK JET PRINTER 审中-公开

    公开(公告)号：US20240140100A1

    公开(公告)日：2024-05-02

    申请号：US18378814

    申请日：2023-10-11

    申请人： KEYENCE CORPORATION

    发明人： Hajime Hashimoto ,  Hideki Yamakawa

    IPC分类号： B41J2/17 ,  B41J2/175

    CPC分类号： B41J2/1707 ,  B41J2/17513 ,  B41J2/17523 ,  B41J2/17596

    摘要： To prevent a failure of an ink jet printer due to ink clogging in a hollow needle and the vicinity thereof. A continuous ink jet printer includes: an ink tank that stores ink and a solvent as a printing ink; a printing head that performs printing with the printing ink; an ink hollow needle that accesses the ink in an ink cartridge when an ink reservoir receives the ink cartridge; a first ink tube that causes the ink to flow from the ink hollow needle to the ink tank; and a supply control section that executes suction control to generate a flow from the ink hollow needle toward the first ink tube when the ink is taken out from the ink cartridge received in the ink reservoir, and executes blowing control to generate a flow from the first ink tube toward the ink hollow needle when reverse-flow cleaning is performed.

    Laser processing apparatus
    7.
    发明授权
    Laser processing apparatus 有权

    公开(公告)号：US11703659B2

    公开(公告)日：2023-07-18

    申请号：US16693403

    申请日：2019-11-25

    申请人： Keyence Corporation

    发明人： Hideki Yamakawa ,  Kazuma Nehashi ,  Yu Takabatake

    IPC分类号： G02B7/32 ,  G01B11/22 ,  B23K26/064 ,  B23K26/06 ,  B23K26/082 ,  B23K26/70

    CPC分类号： G02B7/32 ,  B23K26/064 ,  B23K26/0643 ,  B23K26/082 ,  G01B11/22 ,  B23K26/707

    摘要： A laser processing apparatus includes a laser light output section, a first scanner and a second scanner, a distance measurement light emitting section, a reference member which is arranged at a position which is the other end of a correction optical path formed with the distance measurement light emitting section as one end of the correction optical path and is arranged such that an optical path length of the correction optical path is a predetermined reference distance, a distance measurement light receiving section which receives distance measurement light reflected by the workpiece or the reference member, a distance measuring section which measures a distance to the workpiece or the reference member, and a distance correcting section which compares a measurement result of the distance to the reference member with the reference distance stored in advance to correct the measurement result obtained by the distance measuring section.

    Cartridge type ink jet recording apparatus
    9.
    发明授权
    Cartridge type ink jet recording apparatus 有权
    墨盒式喷墨记录装置

    公开(公告)号：US09144992B2

    公开(公告)日：2015-09-29

    申请号：US14559940

    申请日：2014-12-04

    申请人： Keyence Corporation

    发明人： Hideki Yamakawa

    IPC分类号： B41J2/175

    CPC分类号： B41J2/17566 ,  B41J2/1752 ,  B41J2/17523 ,  B41J2/17553 ,  B41J2/17596 ,  B41J2002/17573

    摘要： An object is to directly detect the emptiness of a solvent cartridge being mounted. An emptiness detection unit body includes a light transmissive tube which constitutes part of internal piping of a printer body, a light emitter, and a light receiver. The light transmissive tube is composed of a transparent tube, typically, a glass tube or a fluororesin (PFA) tube. The light emitter and the light receiver are arranged to face the light transmissive tube. The light transmissive tube is filled with a solvent supplied from the solvent cartridge. On the other hand, the light transmissive tube is filled with gas when the solvent cartridge is empty. The emptiness of the solvent cartridge is detected by a change in the amount of light received by the light receiver associated with the change in the light transmissive tube.

    摘要翻译： 目的是直接检测出正在安装的溶剂盒的空虚。 空白检测单元主体包括构成打印机主体，发光器和光接收器的内部配管的一部分的透光管。 透光管由透明管，通常为玻璃管或氟树脂（PFA）管组成。 光发射器和光接收器布置成面对透光管。 透光管填充有从溶剂筒供应的溶剂。 另一方面，当溶剂筒为空时，透光管填充有气体。 通过与光透射管的变化相关联的光接收器接收的光量的变化来检测溶剂盒的空虚。

    Cartridge Type Ink Jet Recording Apparatus
    10.
    发明申请
    Cartridge Type Ink Jet Recording Apparatus 有权
    墨盒式喷墨记录装置

    公开(公告)号：US20150197096A1

    公开(公告)日：2015-07-16

    申请号：US14559940

    申请日：2014-12-04

    申请人： KEYENCE CORPORATION

    发明人： Hideki Yamakawa

    IPC分类号： B41J2/175

    CPC分类号： B41J2/17566 ,  B41J2/1752 ,  B41J2/17523 ,  B41J2/17553 ,  B41J2/17596 ,  B41J2002/17573

    摘要： An object is to directly detect the emptiness of a solvent cartridge being mounted. An emptiness detection unit body includes a light transmissive tube which constitutes part of internal piping of a printer body, a light emitter, and a light receiver. The light transmissive tube is composed of a transparent tube, typically, a glass tube or a fluororesin (PFA) tube. The light emitter and the light receiver are arranged to face the light transmissive tube. The light transmissive tube is filled with a solvent supplied from the solvent cartridge. On the other hand, the light transmissive tube is filled with gas when the solvent cartridge is empty. The emptiness of the solvent cartridge is detected by a change in the amount of light received by the light receiver associated with the change in the light transmissive tube.

    摘要翻译： 目的是直接检测出正在安装的溶剂盒的空虚。 空白检测单元主体包括构成打印机主体，发光器和光接收器的内部配管的一部分的透光管。 透光管由透明管，通常为玻璃管或氟树脂（PFA）管组成。 光发射器和光接收器布置成面对透光管。 透光管填充有从溶剂筒供应的溶剂。 另一方面，当溶剂筒为空时，透光管填充有气体。 通过与光透射管的变化相关联的光接收器接收的光量的变化来检测溶剂盒的空虚。