Check out their patent: http://www.freepatentsonline.com/y2010/0017949.html
Seriousely…you can help us to check the tons of new patents!
1) Go here: http://www.freepatentsonline.com/search.html
2) Search for Panasonic/Olympus patents using the string “AN/Panasonic” or “AN/Olympus”
3) Read the patents or download the pdf (the pdf contains the images!)