Mitsubishi, Samsung, Sony, and Philips have filed a patent suit against low-cost HDTV maker Vizio claiming the company is violating 15 patents key to supporting MPEG-2 video in its products.
The legal action is seeking an order to prevent Vizio from using the patents, as well as financial compensation.
According to the complaint – other parties to which also include Columbia University of New York, Victor Co. of Japan, and Thompson – the individual companies have pursued Vizio about licensing the patents, but the company has refused to deal with them.
It is claimed that Vizio has also declined to discuss the matter with the MPEG Licensing Authority trade group.
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Digital video recorder maker TiVo has reported soaring income for the first quarter of 2008 boosted by higher sales of HD devices and reduced advertising costs.
The California-based company said it earned $3.6 million, or 4 cents per share, for the three months ending April 30.
Tom Rogers, President and CEO of TiVo, said the most significant activity being worked on to boost stand-alone sales of HD devices was relationships with third parties.
He said tests were begun last quarter with bundling with HDTV set sales.