2002 video streaming patent holder sues Amazon and Twitch
Media solutions company BSD Crown, best known for video encoding products as well as building Android smartphones in the Noughties, has filed a lawsuit against Amazon and livestreaming offshoot Twitch, claiming the pair infringed its patent.
The Israeli company, formerly known as Emblaze, previously sued both Apple and Microsoft over the very same video-streaming technology patent – US No 6,389,473 , which covers an HTTP livestreaming standard known as HLS.[PDF] last week, BSD Crown claimed its patent's use of HTTP instead of other protocols had been"contrarian" at the time.
The standard is related to the transmission of real-time audio and video to one or more devices,"where necessary, adjusting video quality based on changing bandwidth." The filing continues that"Amazon.com and Twitch knew, or should have known, that the adaptive multibit rate technology of the '473 patent was foundational to the Amazon and Twitch streaming systems. Even a cursory review of the '473 patent by Amazon and Twitch's patent counsel would have shown that the Amazon and Twitch livestreaming systems infringe the '473 patent."
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