Apple, others sued for violating patents for encrypted wireless signal
The lawsuit was filed in late June with the Eastern District court in Tyler, Texas. According to [url=http://www.appleinsider.com/articles/08/07/02/apple_named_in_lawsuit_over_wireless_data_circuits.html]AppleInsider[/url], Apple, Acer, Dell, Gateway and Hewlett Packard are accused of "knowingly treading on four Saxon-held patents that were granted over 10 years ago."
Most of Saxon's attention centers around a first patent, granted in 1997, which addresses the process of encrypting, sending, and then decrypting data over a wireless signal. No specific products are mentioned as prompting the lawsuit, however.
The lawsuit also challenges that all five of the defendant PC makers are abusing a Saxon-owned 1996 patent for circuity that generates clock signals. More specific claims also accuse Apple, Dell, and HP specifically of violating a patent from the same year that covers triggering hardware interrupts in circuits that are hidden by software, notes AppleInsider.
A fourth claim targets HP, saying the company violated a 1993 patent for a keypad monitor.
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