专利名称：Process and apparatus for calculation of the
instantaneous speed of a tool
发明人：Frederic Malinet,Marc Ibos申请号：US07/079364申请日：19870730公开号：US04831871A公开日：19890523
摘要：The process consists of pre-positioning conserving a reversible counter withmemory (9) in the maximum state, counting the positive pulses in such state, receiving andcounting the positive pulses with respect to a predetermined basic step to derive anumber expressed in units of basic step, transmitting this number to at least one priorityinterrupt terminal (13) of a microprocessor (14); emitting a reference time frequency,measuring the time lapsed between the appearance of two successive pulses presentingthemselves at at least the interrupt terminal (13), determining the ratio between thelapsed time and the number expressed in units of basic step, transmitting this ratio to themicroprocessor (14) and displaying it, and controlling the advance of an element enablinggraphic display of the speed of translation of the rotating or percussive member withrespect to its dimension of penetration, this speed of translation of the member being aninstantaneous speed of advance.
申请人：MALINET; FREDERIC,IBOS; MARC
代理机构：Pollock, Vande Sande & Priddy
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