An endoscope system comprising an imaging device, an input block, and a signal processing block, is provided. The imaging device has first, second, third, and fourth pixels. The first, second, third, and fourth pixels are covered with first, second, third, and fourth color filters, respectively. The...http://www.google.com.au/patents/US20070040906?utm_source=gb-gplus-sharePatent US20070040906 - ELECTRONIC ENDOSCOPE, ENDOSCOPE LIGHT UNIT, ENDOSCOPE PROCESSOR, AND ELECTRONIC ENDOSCOPE SYSTEM
