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专利名称：Position transducer发明人：Lennart Stridsberg申请号：US10423931申请日：20030428公开号：US06756582B2公开日：20040629
专利附图：
摘要：An encoder for detecting the angular position of a shaft of an electric motorcomprises an encoder disc () having tracks () sensed by detectors in reading heads ().Analog position signals from the detectors are sampled in sampling circuits () at timesgiven by sampling pulses issued by a device such as a counter (). The sampled analog
values are converted to digital values by a converter () and provided to a local processor() calculating position values. The local processor sends commands to the device () toissue sampling pulses at accurately defined times, normally regularly spaced in time. Thelocal processor also receives, from a central processor, read command signals
commanding to it provide position values. These read command signals normally arriverather regularly but are not synchronised. In order to provide positions values at suitabletimes after receiving the read command signals, the local processor can send itscommands earlier or later, in relation to the normal regular rate.
申请人：STRIDSBERG INNOVATION AB
代理机构：Birch, Stewart, Kolasch & Birch, LLP
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