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    • 6. 发明授权
    • Laser liquid crystal marker and method for judging deterioration of
liquid crystal
    • 激光液晶标记及判断液晶劣化的方法
    • US5896163A
    • 1999-04-20
    • US549744
    • 1995-11-07
    • Yukihiro TsudaYoshinori SaitoEtsurou SatoYukinori Matsumura
    • Yukihiro TsudaYoshinori SaitoEtsurou SatoYukinori Matsumura
    • B23K26/06B23K26/42B41J2/47
    • B23K26/066B23K26/702
    • A laser liquid crystal marker and a method of judging deterioration of the liquid crystal make it possible to maintain high printing accuracy, ascertain the proper time for replacement of liquid crystal and, further, maintain high printing accuracy even when high speed printing is continuously performed. The marker has a temperature sensor (4), light emitting means (5), light receiving means (6), and a controller (7). The controller (7) calculates a light transmittance (Qi) from the irradiation quantity of light (R1) of the light emitting means (5) and the transmitted quantity of light (R2) received by the light receiving means (6), and adjusts the applied voltage (Vi) of the liquid crystal (2) so that the light transmittance (Qi) becomes equal to an optimum light transmittance (Qo), stored in advance. Further, when the light transmittance (Qi) does not become equal to the optimum light transmittance (Qo), even by adjusting the voltage (Vi) applied to the liquid crystal, it is determined that the liquid crystal (2) has deteriorated.
    • PCT No.PCT / JP94 / 00703 Sec。 371日期:1995年11月7日 102(e)日期1995年11月7日PCT 1994年4月27日PCT PCT。 第WO94 / 26457号公报 日期1994年11月24日激光液晶标记和判断液晶劣化的方法使得可以保持高的印刷精度,确定适当的液晶更换时间,并且即使在高速下也能保持较高的印刷精度 连续执行打印。 标记具有温度传感器(4),发光装置(5),光接收装置(6)和控制器(7)。 控制器(7)根据发光装置(5)的光(R1)的照射量和由光接收装置(6)接收的透光量(R2)计算光透射率(Qi),并调整 液晶(2)的施加电压(Vi),使得透光率(Qi)等于预先存储的最佳透光率(Qo)。 此外,通过调整施加于液晶的电压(Vi),透光率(Qi)也不会变得与最佳透光率(Qo)相等时,判定为液晶(2)劣化。
    • 8. 发明授权
    • Controller of laser marking machine
    • 激光打标机控制器
    • US5895588A
    • 1999-04-20
    • US894862
    • 1997-09-03
    • Yukinori MatsumuraKoji MisugiAkihiko Soda
    • Yukinori MatsumuraKoji MisugiAkihiko Soda
    • B23K26/00B23K26/06G06K1/12G06K15/12
    • G06K15/1238B23K26/066G06K1/126
    • A controller for controlling a laser marking machine, which classifies a divided image into a non-printing region (H row) and a printing region ("APPER"). When the non-printing region is displayed on a liquid crystal display screen, the printing pattern ("APPER") is displayed on the liquid crystal screen so that scanning on the liquid crystal display screen is started by a scanning device from the printing region continuing the non-printing region by omitting this non-printing region (H row) when it is in an upper region for which scanning is first made. A moving device corrects the moving distance of the printing position of the printing pattern by the distance corresponding to the non-printing region (H row) so omitted, and starts movement to the marking position of the next divided image (B'3) when scanning of the printing region of this divided image (B'2) is finished. According to this construction, the reduction of the marking time and the restriction of the occurrence of non-uniform printing can be simultaneously accomplished.
    • PCT No.PCT / JP96 / 00555 Sec。 371日期:1997年9月3日 102(e)1997年9月3日PCT PCT 1996年3月7日PCT公布。 WO96 / 27474 PCT公开号 日期:1996年12月9日控制激光打标机的控制器,将分割图像分类为非打印区域(H行)和打印区域(“APPER”)。 当在液晶显示屏幕上显示非打印区域时,在液晶屏幕上显示打印图案(“APPER”),使得通过扫描装置从打印区域继续扫描液晶显示屏幕继续 该非打印区域在首先进行扫描的上部区域中省略该非打印区域(H行)。 移动装置将打印图案的打印位置的移动距离校正与省略的非打印区域(H行)相对应的距离,并且当开始移动到下一个分割图像(B'3)的标记位置时, 对该分割图像(B'2)的打印区域的扫描结束。 根据该结构,可以同时实现标记时间的减少和不均匀印刷的发生的限制。
    • 9. 发明授权
    • Laser marking system and laser marking method
    • 激光打标系统和激光打标法
    • US5821497A
    • 1998-10-13
    • US495451
    • 1995-08-28
    • Taku YamazakiYukinori MatsumuraYukihiro TsudaAkira Mori
    • Taku YamazakiYukinori MatsumuraYukihiro TsudaAkira Mori
    • B23K26/00
    • B23K26/0838B23K26/066
    • A laser marking system and method with a laser oscillator generating a laser beam that is scanned in a single direction onto a mask (such as a liquid crystal) that displays sequentially a plurality of divided pattern blocks, and a second deflector that deflects the scanned laser beams onto corresponding portions of the surface of a workpiece so as to mark on the surface of the workpiece a combination of the divided pattern blocks . In another embodiment a plurality of masks and a second optical system for combining the beams from the masks can be used to create the mark. The system can be used with a conveyor and a loading and unloading unit using a controller.
    • PCT No.PCT / JP94 / 00069 Sec。 371日期:1995年8月28日 102(e)日期1995年8月28日PCT 1994年1月20日PCT PCT。 公开号WO94 / 16858 日期1994年8月4日激光打标系统和激光振荡器的方法,该激光振荡器产生沿单一方向扫描的激光束到顺序地显示多个划分的图案块的掩模(例如液晶),以及第二偏转器 其将扫描的激光束偏转到工件表面的相应部分上,以便在工件的表面上标记分割图案块的组合。 在另一个实施例中,可以使用多个掩模和用于组合来自掩模的光束的第二光学系统来产生标记。 该系统可以与输送机和使用控制器的装卸单元一起使用。
    • 10. 发明授权
    • Image display method for liquid crystal mask laser marker
    • 液晶面罩激光打标机图像显示方法
    • US5760370A
    • 1998-06-02
    • US687467
    • 1996-08-07
    • Yukihiro TsudaYukinori Matsumura
    • Yukihiro TsudaYukinori Matsumura
    • G02F1/13B23K26/00B23K26/06
    • B23K26/066
    • An image display method for a liquid crystal mask marker displays an image of a high sharpness even when the marking speed is high. To this end, when the display image of a liquid crystal mask (4) is to be rewritten, the method includes performing at least one of (a) making all of the opaque picture elements (B) of the current image (P1) to become transparent, and (b) making all of the transparent picture elements (A) of the current image (P1) to become opaque; then making the electrodes of all of the picture elements (A,B) to be grounded or set equipotentially; and then starting the display of the next image (P2).
    • PCT No.PCT / JP95 / 00149 Sec。 371日期:1996年8月7日 102(e)日期1996年8月7日PCT提交1995年2月6日PCT公布。 公开号WO95 / 21717 日期1995年8月17日液晶掩模标记的图像显示方法即使在标记速度高的情况下也显示高清晰度的图像。 为此,当要重写液晶掩模(4)的显示图像时,该方法包括执行以下至少之一:(a)使当前图像(P1)的所有不透明图像元素(B)成为 变得透明,并且(b)使当前图像(P1)的所有透明图像元素(A)变得不透明; 然后使所有像素(A,B)的电极接地或等电位设置; 然后开始显示下一个图像(P2)。