Tag Archives | gaming

High Bar for Implied Redefinition of Claim Term

Thorner v. Sony Computer, Dkt. No. 2011-1114 (Fed. Cir. Feb 1, 2012) [PDF].

Craig Thorner and Virtual Reality Feedback Co. sued Sony Corporation alleging  Sony’s game controllers with tactile feedback infringed U.S. Patent No. 6,422,941. On appeal Thorner argued that the district court erred in the construction of two term from claim 1.

Claim 1 provides in relevant part:

In a computer or video game system, apparatus for providing, in response to signals generated by said computer or video game system, a tactile sensation to a user of said computer or video game system, said apparatus comprising:

a flexible pad;
a plurality of actuators, attached to said pad, for selectively generating tactile sensation; and
a control circuit . . . for generating a control signal to control

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