UPDATE: Sorry guys we posted the wrong patent link and wrong text before! Here you have the right one: http://www.google.com/patents/about?id=dwS_AAAAEBAJ&dq=Olympus+camera
This is the famous TrineCCD. Olympus designed a camera system which uses 3 CCD sensor and can archieve true color and MAYBE simultaneus HDR.
A old false leak shows the E-5(?) using Trine CCD: