Sony, Matsushita, Sharp to launch Blu-ray Disc camcorders in 2005 &lt;b&gt;...&lt;/b&gt; TOKYO (AFX) - Firms that are supporting one of the next-generation optical DVD formats, the Blu-ray Disc, plan to release camcorders that record on smaller versions of the discs as early as 2005, the Nihon Keizai Shimbun reported, without citing sources.