Patent · US Expired

Photo induced-EMF sensor shield

US7176542B2 · kind B2 · utility

0Cited by
4References
27Claims
0Family size

Inventors

Key dates

Filing dateApr 22, 2004
Grant dateFeb 13, 2007
Priority date
Expiry dateJun 25, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F77/30

Abstract

A photo-EMF detector including a shield to prevent a portion of the detector from illumination. The shield prevents the generation of unwanted noise-currents, thus increasing the performance of the photo-EMF detector.

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