Dell, Hitachi, WD Accused of Infringing Vibration Control Technology Patents
 

Convolve, an engineering company that specializes in generating optimized trajectories to improve the performance of motion control systems, has filed lawsuits against Dell, Hitachi Global Storage Technologies and Western Digital. The small firm accused the industry giants of infringing its vibration control technology patents and demands royalties or halting sales of PCs or hard disk drives that utilize the tech.

http://www.xbitlabs.com/news/storage...ringement.html