Patent · US Expired

Color video endoscope system with electronic color filtering

US4742388A · kind A · utility

69Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1984
Grant dateMay 3, 1988
Priority date
Expiry dateMay 18, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/555
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A color video endoscope system including a light source, color wheel and light guide for directing sequential fields of red, green and blue (RGB) light into a cavity, a solid state image sensor for transmitting a signal in response to the intensity of the reflected fields of light, a video processor for converting the signal from the image sensor into a composite RGB video signal compatible with a color monitor, and a plurality of electronic color filters for altering the true color of the image on the monitor.

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