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Vizio Inc., Irvine maker of high definition TVs and other electronic devices, is being sued on claims of infringement on four patents held by the Massachusetts Institute of Technology.
The Boston university lists about 150 Vizio models as violating its patents in the lawsuit filed in Massachusetts federal court. The suit said the patents, issued in 1993, 1995 and 1996, cover digital televisions, Blu-ray disc players, home theater and audio systems.
MIT has filed a separate patent infringement lawsuit against Funai, which makes Phillips, Magnavox, Sylvania, Emerson, Funai and Symphonic products.
Vizio officials have not yet responded to a Register request for comment.
MIT said in the lawsuit that it offered Vizio a license for the technology, but Vizio refused. MIT also said that other unnamed companies are licensing the technology, which university researchers have worked on since the 1980s.
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