Patent · US Active

Light detector employing trapezoidal chips

US10955266B2 · kind B2 · utility

0Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2019
Grant dateMar 23, 2021
Priority date
Expiry dateDec 17, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01D5/142
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A position sensor employing silicon photodiodes formed from trapezoidal chips mounted on a printed circuit board detects angular positions of a rotor shaft within a galvanometer-based optical scanner.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.