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    • 3. 发明授权
    • Opto-electronic bachometer and position detector of an electric motor
    • 光电电位器和电动机的位置检测器
    • US5021735A
    • 1991-06-04
    • US463239
    • 1990-01-10
    • Jurgen MaassHelmut Meyer
    • Jurgen MaassHelmut Meyer
    • G01P3/46G01P3/486H02P6/17
    • G01P3/486G01P3/46H02P6/17
    • A device for determining the rotational speed and position of a rotor of an electric motor having at least one signal track arranged on the rotor includes at least one sensor located at a stator-side of the electric motor for scanning the signal track, and an evaluation circuit connected to the sensor, the sensor being sensitive to given stimuli of the signal track for alternatively adopting one of three different states which individually produce levels of different magnitude; the evaluation circuit including detectors responsive in accordance with the levels, for cutting off levels of given magnitude so that a recognition of the rotor position is derivable from a first and a second one of the three states, and the rotational speed is derivable from the third one of the three states.
    • 用于确定具有布置在转子上的至少一个信号轨道的电动机的转子的转速和位置的装置包括位于电动机的定子侧的至少一个传感器,用于扫描信号轨道,以及评估 连接到传感器的电路,传感器对给定的信号轨迹的刺激敏感,以交替地采用分别产生不同大小的三种不同状态之一; 所述评估电路包括响应于所述电平的检测器,用于切断给定大小的电平,使得所述转子位置的识别可从所述三种状态中的第一状态和第二状态导出,并且所述转速可从所述第三 三个州之一。
    • 9. 发明授权
    • Clamping and tensioning device
    • 夹紧和张紧装置
    • US5181469A
    • 1993-01-26
    • US815419
    • 1991-12-31
    • Gerd MerkelWilfried VogtGeorg GlaunsingerPeter StadlerClaus-Peter ZanderJurgen MaassGernot SchmittThomas NeckerWilli Becker
    • Gerd MerkelWilfried VogtGeorg GlaunsingerPeter StadlerClaus-Peter ZanderJurgen MaassGernot SchmittThomas NeckerWilli Becker
    • B41F27/12
    • B41F27/1243
    • A clamping and tensioning device for clamping a printing plate on a cylinder of a printing machine includes a tensioning bar and a clamping bar having substantially radially extending, mutually opposing clamping surfaces for gripping therebetween a bent end of a printing plate, the tensioning bar being formed as a pivotal double lever, tension spring devices engageable with the tensioning bar for applying a tensioning force thereto in a tensioning direction, adjusting devices engageable with the tensioning bar and actuatable for pivoting the tensioning bar against the tensioning force applied by the tension spring devices, the clamping bar being formed as a pivotal double lever connected to the tensioning bar, clamping spring devices engaging with the clamping bar for pressing the clamping surface of the clamping bar against the corresponding clamping surface of the tensioning bar with a clamping force for holding a printing plate therebetween, the clamping bar being further formed with a holding element, a fixed stop cooperatively engageable by the holding element for pivoting the clamping bar against the force of the clamping spring devices when the adjusting devices are actuated.
    • 用于将印刷板夹持在印刷机的滚筒上的夹持和张紧装置包括张紧杆和具有基本上径向延伸的相互相对的夹紧表面的夹紧杆,用于夹持印刷板的弯曲端,形成张紧杆 作为枢转双杠杆,拉伸弹簧装置可与张紧杆接合,用于在张紧方向上施加张紧力,调节可与张紧杆接合的装置,并可致动以克服张拉弹簧装置施加的张紧力使枢转张紧杆, 夹紧杆形成为连接到张紧杆的枢转双杆,夹紧弹簧装置与夹紧杆接合,用于用夹持力将夹紧杆的夹紧表面压靠在张紧杆的相应夹紧表面上,用于保持印刷 板之间,夹紧条进一步形成 h固定元件,固定止动件,其通过保持元件协作地接合,用于当调节装置致动时克服夹紧弹簧装置的力使枢转夹紧杆枢转。