Inventor
HIRATA SHU
JP8 patents
Patents
8 patentsUS10302466B2May 28, 2019
Contamination and defect resistant optical encoder configuration including first and second illumination source diffraction gratings arranged in first and second parallel planes for providing displacement signals
MITUTOYO CORP6 citations70
US10168189B1Jan 1, 2019
Contamination and defect resistant optical encoder configuration for providing displacement signal having a plurality of spatial phase detectors arranged in a spatial phase sequence along a direction transverse to the measuring axis
MITUTOYO CORP1 citations60
US10119844B2Nov 6, 2018
Scale for an absolute position detection type photoelectric encoder with three or more two-bit combination patterns are used to represent a two-level code pattern
MITUTOYO CORP1 citations48
US12152913B2Nov 26, 2024
Front-end circuit and encoder
MITUTOYO CORP0 citations46
US11774270B2Oct 3, 2023
Encoder
MITUTOYO CORP0 citations46
US10295378B2May 21, 2019
Contamination and defect resistant optical encoder configuration outputting structured illumination to a scale plane for providing displacement signals
MITUTOYO CORP0 citations39
US10295648B2May 21, 2019
Contamination and defect resistant optical encoder configuration including a normal of readhead plane at a non-zero pitch angle relative to measuring axis for providing displacement signals
MITUTOYO CORP0 citations39
US10041815B2Aug 7, 2018
Photoelectric encoder having a two-level code pattern using three or more bit-combination patterns
MITUTOYO CORP0 citations39