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1. 发明专利

JPS6148527A Laser beam scanning and processing device 失效
标题翻译：激光束扫描和处理装置
公开(公告)号：JPS6148527A
公开(公告)日：1986-03-10
申请号：JP16890484
申请日：1984-08-14
申请人： Nippon Steel Corp , Yamada Kogaku Kogyo Kk
发明人： YAMADA MASAKAZU , EGASHIRA TAKEJI , IWASAKI MASARU , TANAKA YOSHITADA
IPC分类号： B23K26/00 , C21D8/12 , C21D9/46
CPC分类号： C21D8/1294
摘要： PURPOSE:To produce efficiently laser irradiation traces at a desired pitch on the surface of an electrical steel sheet, etc. by disposing an irradiation trace detector just before a laser beam scanner to detect the irradiation traces by the scanner on the upper stream side and operating the scanner on the down stream side in accordance with the signal thereof. CONSTITUTION:The 1st and 2nd laser beam scanners 4a, 4b are disposed at a suitable spacing along the moving direction of a work 1. The irradiation trace detector 7 is provided on the upper stream side of the 2nd scanner 4b just before the same to detect the irradiation traces 6a made by the 1st scanner 4a. The signal S4 thereof and the signal S2 of a detector 8 for the movement of the work 1 are fed to a delay circuit 10. The 1st reference scanning signal S3 in which the pitch of the irradiation traces is twice the command value is made in accordance with the command signal S1 for the pitch of the irradiation traces and the speed detection signal S2. The signal S3 is inputted to the 1st scanner 4a which scans a laser beam 5a to make the parallel linear irradiation traces 6a. The signal S3 is inputted to a signal synchronizer 11 which converts the signal to the 2nd reference scanning signal S6 synchronized with the synchronizing signal S5 from the circuit 10 and inputs said signal to the 2nd scanner 4b thereby making the irradiation traces 6b.
摘要翻译：目的：通过在激光束扫描仪之前设置一个照射迹线检测器，在上游侧检测扫描仪的照射迹线，并在上游侧进行操作，从而在电工钢板表面上以期望的间距高效生产激光照射迹线扫描仪根据其信号在下游侧。构成：第一和第二激光束扫描器4a，4b沿着工件1的移动方向以合适的间隔设置。照射迹线检测器7设置在恰好在其之前的第二扫描器4b的上游侧，以检测由第一扫描仪4a制成的照射迹线6a。其信号S4和用于工件1移动的检测器8的信号S2被馈送到延迟电路10.根据照射轨迹的间距是指令值的两倍的第一参考扫描信号S3 用于照射迹线的间距的指令信号S1和速度检测信号S2。信号S3被输入到扫描激光束5a以形成平行线性照射迹线6a的第一扫描仪4a。信号S3输入到信号同步器11，该信号同步器11将信号转换成与电路10同步的同步信号S5的第二参考扫描信号S6，并将所述信号输入到第二扫描器4b，从而制成照射迹线6b。

2. 发明专利

JPS6148528A Laser beam scanning and processing device 失效
标题翻译：激光束扫描和处理装置
公开(公告)号：JPS6148528A
公开(公告)日：1986-03-10
申请号：JP16890584
申请日：1984-08-14
申请人： Nippon Steel Corp , Yamada Kogaku Kogyo Kk
发明人： YAMADA MASAKAZU , EGASHIRA TAKEJI , IWASAKI MASARU , TANAKA YOSHITADA
IPC分类号： G02B26/10 , C21D8/12 , C21D9/46 , H01S3/00
摘要： PURPOSE: To decrease the number of laser scanners and to improve the efficiency, reliabiity, performance, etc., of a scanning system by subjecting the relation between the rotating angle of a rotary dividing mirror which divides a laser beam with time and the angle of oscillating mirrors for scanning to phase control, etc.
CONSTITUTION: The laser beam 18 is changed over time-dividedly to transmission and reflection by the rotary dividing mirror 3 of an optical path selecting part 2. The transmitted beam 19a is scanned by the oscillating mirror 7a and is scanned at a microspot 9a to the surface of a steel sheet 10 by a lens 8a. The reflected beam 19b is scanned at a spot 9b by the oscillating mirror 7b and a lens 8b. The rotating speed of the mirror 3 is controlled by a rotation control device 12 on the basis of the moving speed of the sheet 10. The rotating angle of the mirror 3 and the oscillating angle of the morrors 7a, 7b are controlled by phase control parts 13a, 13b so as to have the specific phase relation in accordance with the signal from a rotating angle detector 11. The signals of the parts 13a, 13b are controlled with amplitude by amplitude control parts 14a, 14b and further the amplitudes of the mirrors 7a, 7b are controlled as well.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了减少激光扫描器的数量，并通过使分割激光束的旋转分割镜的旋转角度与时间之间的关系与扫描系统的角度的关系来提高扫描系统的效率，可靠性，性能等用于扫描到相位控制的振动反射镜等。构成：激光束18被时间分割地改变为通过光路选择部分2的旋转分割镜3的透射和反射。透射光束19a被振荡镜并且通过透镜8a在微细管9a上扫描到钢板10的表面。反射光束19b通过振动反射镜7b和透镜8b在光点9b被扫描。反射镜3的旋转速度基于片材10的移动速度由旋转控制装置12控制。反射镜3的旋转角度和镜面7a，7b的摆动角度由相位控制部件 13a，13b，以便根据来自旋转角度检测器11的信号具有特定的相位关系。部件13a，13b的信号由幅度控制部分14a，14b的幅度控制，并且反射镜7a的幅度，7b也被控制。

3. 发明专利

JPH0215608B2 失效
公开(公告)号：JPH0215608B2
公开(公告)日：1990-04-12
申请号：JP16890484
申请日：1984-08-14
申请人： YAMADA KOGAKU KOGYO KK , SHINNIPPON SEITETSU KK
发明人： YAMADA MASAKAZU , EGASHIRA TAKEJI , IWASAKI MASARU , TANAKA YOSHITADA
IPC分类号： B23K26/352 , B23K26/00 , C21D8/12 , C21D9/46

4. 发明专利

JPH0323610B2 失效
公开(公告)号：JPH0323610B2
公开(公告)日：1991-03-29
申请号：JP16890584
申请日：1984-08-14
申请人： YAMADA KOGAKU KOGYO KK , SHINNIPPON SEITETSU KK
发明人： YAMADA MASAKAZU , EGASHIRA TAKEJI , IWASAKI MASARU , TANAKA YOSHITADA
IPC分类号： G02B26/10 , C21D8/12 , C21D9/46 , H01S3/00

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