Patent · US Expired

Photoelectric element characteristic measuring apparatus

US4609291A · kind A · utility

12Cited by
7References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 14, 1984
Grant dateSep 2, 1986
Priority date
Expiry dateMar 14, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed is an element characteristic measuring apparatus provided with a first illuminating system for uniformly illuminating the whole area of an element, a second illuminating system for providing an imaging illumination to a part area of the element, and an output detector for detecting the output of the illuminated element.

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