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    • 5. 发明授权
    • Method for the topically precise subsequent engraving of printing
cylinders
    • 用于印刷滚筒的局部精确后续雕刻的方法
    • US4546232A
    • 1985-10-08
    • US548519
    • 1983-11-03
    • Siegfried BeisswengerWolfgang Boppel
    • Siegfried BeisswengerWolfgang Boppel
    • B41C1/02B41C1/04B41C1/05B44B7/00H04N1/047H04N1/06B23K15/00
    • B41C1/05B44B7/00H04N1/047H04N1/06H04N2201/04729H04N2201/04789H04N2201/04791
    • A method for the topically precise subsequent-engraving of printing cylinders wherein special marks are engraved in the cylinder and evaluated. The marks are engraved in the form of cups forming a cup track. The cups serve as reference marks for an axial feed and start of the subsequent-engraving in a circumferential direction. After the printing cylinder has been mounted in an engraving machine for subsequent-engraving, the cylinder is placed in rotation and the scanner is moved over the previously engraved cup track axially. A maximum of the signals received from the scanner is identified and a location of the maximum in the cup track is retained as a reference value for the axial feed during the following engraving. A cup track is provided with at least one defined gap that is free of cups. A first cup following the gap is identified by means of the scanner and evaluated as a reference location for a start of engraving in the circumferential direction for the following subsequent-engraving.
    • 一种用于印刷滚筒的局部精确后续雕刻的方法,其中在圆柱体中刻有特殊标记并进行评估。 标记以形成杯形轨道的杯子的形式被雕刻。 杯子用作轴向进给的参考标记,并且在周向上开始后续雕刻。 在将印刷滚筒安装在用于后续雕刻的雕刻机中之后,将圆筒放置在旋转中,并且扫描仪在轴向上移动到先前雕刻的杯形轨道上。 识别从扫描器接收到的最大信号,并且在随后的雕刻期间将杯轨道中最大值的位置保持为轴向进给的参考值。 杯轨道设置有至少一个没有杯子的限定间隙。 通过扫描仪识别跟随间隙的第一杯,并将其评估为用于在后续雕刻中在圆周方向上开始雕刻的参考位置。
    • 6. 发明授权
    • Highly-steady beam generating for charged particles
    • 用于带电粒子的高稳定束产生
    • US4467205A
    • 1984-08-21
    • US425311
    • 1982-09-28
    • Siegfried BeisswengerWolfgang Boppel
    • Siegfried BeisswengerWolfgang Boppel
    • H01J37/04H01J37/06H01J37/24H01J37/248G01K1/00H01J3/00
    • H01J37/243H01J37/06
    • An electron beam generating system provides a high degree of steadiness of the beam current and comprises a heated cathode, an auxiliary electrode lying at a more negative potential than the cathode, and a transpierced anode. A diaphragm surrounding the beam and connected to a precision resistor is further provided at that side of the auxiliary electrode facing away from the cathode. A portion of the beam current influenced by the control electrode is blanked out by the diaphragm. The precision resistor is connected as an actual value generator to a regulator which is connected to a reference voltage, the output of the regulator influencing the potential of the control electrode over a final control element for the purpose of maintaining the beam current measured by the diaphragm constant.
    • 电子束产生系统提供了束流电流的高度稳定性,并且包括加热的阴极,位于比阴极更负的电位的辅助电极和透过的阳极。 在辅助电极的背离阴极的一侧还设置有围绕光束并连接到精密电阻器的隔膜。 由控制电极影响的一部分光束电流被隔膜消隐。 精密电阻器作为实际值发生器连接到连接到参考电压的调节器,调节器的输出影响控制电极在最终控制元件上的电位,以保持由隔膜测量的电流电流 不变。