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MEASURING SYSTEM WHICH CAN OBTAIN THE HIGH PRECISION OF MEASUREMENT BY APPLYING A TRACKING METHOD IN A OPTICAL DISC PICK-UP DEVICE
MEASURING SYSTEM WHICH CAN OBTAIN THE HIGH PRECISION OF MEASUREMENT BY APPLYING A TRACKING METHOD IN A OPTICAL DISC PICK-UP DEVICE
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机译:通过在光碟拾取装置中采用跟踪方法可以实现高精度测量的测量系统
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摘要
PURPOSE: A measuring system which can obtain the high precision of measurement is provided improve high precision of measurement and reduce costs for composing the device.;CONSTITUTION: A measuring system comprises a reference ruler(110), a light focusing member(120), and a light measuring member(130). The reference ruler comprises includes scale parts, which is alternately located, and includes a recessed part and a protruding part. The light focusing member emits light to reference ruler and collects the light reflected from the reference ruler.;COPYRIGHT KIPO 2011
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