KOREAN MANUFACTURER LG Electronics has filed lawsuits over alleged patent infringements in Sony's Playstation 3 console and Bravia TVs.
LG has filed two cease and desist requests with the US International Trade Commisson (ITC) over alleged patent infringements by Sony. LG is claiming that the Japanese technology giant has infringed its patents on Blu-ray drive technology in the PS3 and in digital TV technology in Internet connected Bravia TVs.
There are four patents at issue (PDF) for the Playstation 3. Patent '835 relates to managing data streams, '080 is a method for reproducing data, '961 is a storage patent for reproducing data, and '398 is a text subtitle steam.
Only a couple of days after filing that claim, LG fired off another patent complaint (PDF), alleging infringements by Sony's digital TVs and citing four more patents. Patent '906 relates to processing web content, '306 is demodulation technology to get better reception and '071 refers to a circuit for error-correcting, while Patent '711 covers a data processor for multi-level symbols. LG alleges that Sony's KDL-46HX800 and KDL-32EX500 Bravia TVs infringe all of them.
If Sony is found to be infringing LG's patents, the ITC could uphold LG's request, but it's more likely that both parties will agree to out of court settlements.
However, some might say that Sony's hypocrisy is showing. The company is currently on an aggressive campaign to have anyone who hacks its PS3 games consoles hauled into the US courts for copyright infringement and Digital Millenium Copyright Act (DMCA) violations.
In January Sony had a restraining order granted against renowned hacker Geohot, real name George Hotz, for jailbreaking PS3 firmware. Just a couple of days later it sent a DMCA takedown notice to Github, a popular web-based hosting service that posted the PS3 firmware hack. µ
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