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    • 2. 发明专利
    • DIGITAL TRACER
    • CA996656A
    • 1976-09-07
    • CA186388
    • 1973-11-21
    • HYPER LOOP
    • SOMMERIA MARCEL RSCHAAP DAVID J
    • G05D3/00B23Q35/123
    • A tracer for use with a profiling machine or the like has a tracer head which is excited with a source of alternating current to produce an output which varies in amplitude and phase in accordance with the direction and magnitude of deflection of the tracer stylus. The a.c. signal from the stylus is converted into a pulse encoded in time to be representative of the direction of stylus deflection. The time position of the pulse is converted into a digital representation of the angle of the stylus deflection, and the sign and cosine of that angle are extracted from memory and separately multiplied by a factor derived from a manually controlled means operative for preselecting a tracing speed in two multipliers, the outputs of which comprise pulse trains each having a separate pulse for each increment of movement along a machine axis. The pulse trains are connected to a conventional motor drive for driving the machine in response to the output of the tracer head.
    • 7. 发明授权
    • Press feeder control apparatus
    • 压力给料机控制装置
    • US3887122A
    • 1975-06-03
    • US32027273
    • 1973-01-02
    • HYPER LOOP
    • SOMMERIA MARCEL R
    • B26D7/06B21D28/04G05B19/23G05D3/12B65H17/22
    • G05B19/231G05B2219/43006
    • In a press feeder control a main counter is provided for initially manifesting a quantity representative of the distance travelled by a web as it is drawn into position in relation to a press, and decremented in response to each incremental movement of such web, so that it is decreased to zero as the web is moved to the proper position. The drive of the web is controlled to accelerate the web at a preselected rate until a preselected velocity is obtained, and to decelerate the web at the same preselected rate so as to bring the web to the desired position as the velocity of the web is reduced to zero. Means is provided for selectively driving the out-feed drive at a faster rate than the in-feed drive, to stretch the web in the vicinty of the press.
    • 在一个压力机送料器控制器中,提供一个主计数器,用于初始显示代表幅材相对于印刷机被拉入位置时由纸幅行进的距离的数量,并且响应于这种纸幅的每次递增运动而递减, 当纸幅移动到正确的位置时,它减小到零。 纤维网的驱动被控制以以预先选择的速率加速纤维网,直到获得预选的速度,并且以相同的预选速度使纤维网减速,以便当幅材的速度减小时将幅材带到期望的位置 到零。 提供了用于以比进给驱动器更快的速率选择性地驱动出料驱动器的装置,以使幅材在压力机附近拉伸。