Patent · US Expired

Apparatus and method for powering portable battery operated light sources

US6809499B2 · kind B2 · utility

89Cited by
28References
38Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 2003
Grant dateOct 26, 2004
Priority date
Expiry dateMay 22, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J2310/23
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A portable imaging system incorporating a portable light source powered by a battery, the output of which is conditioned and regulated to supply an output voltage of a selected level such that the light source provides illuminating light of a selected illumination level and a selected color temperature for use in illuminating the area of interest of an object whose image is observed by means of said portable imaging system.

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