Patents Assigned to Displacement Measuring Apparatus
  • Displacement measuring apparatus
    Publication number: 20010011699
    Abstract: The scale 1 has an optical grating 12 of pitch &lgr;. Each of the light detectors PD1 and PD2 of the light detector array 22 has a plurality of the stripe-patterned portions 32 arranged at a pitch equal to &lgr; and the connecting portion 33 interconnecting the stripe-patterned portions 32.
    Type: Application
    Filed: January 26, 2001
    Publication date: August 9, 2001
    Applicant: Displacement Measuring Apparatus
    Inventor: Toshihiko Aoki