The Olympus OM system was introduced in 1972 based on compact 35mm SLR camera bodies. The system proved a hit and Olympus released a large number of consumer and professional cameras under the OM system until 2002. There has been a lot of speculation that Olympus is staging a comeback (or at least cashing in on the past success) of the OM system with a new digital camera.

We’ve already reported that Olympus is expected to make an announcement in early February, probably coinciding with the big CP+ 2012 Camera & Photo Imaging Show in Yokohama, Japan running on February 9-12. Well, a quick search on the United States Patent and Trademark Office brings up that on January 3rd 2012 Olympus Corporation registered the “Olympus OM-D” trademark, which also mentions interchangeable lenses:
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