The Court has examined the Talbot patent. Although the component is, indeed, referred to as
a “voltage-controlled oscillator,” declarations and other extrinsic materials that have been tendered
during the claim construction proceedings call into question the validity of the inventors’ contention
to the PTO and to this Court that the “ring oscillator” is different from the “voltage-controlled
oscillator” disclosed in Talbot. On the one hand, the Court has received extrinsic evidence that the
voltage-controlled oscillator disclosed in Talbot is a ring oscillator. On the other hand, arguments
have been submitted claiming that the voltage-controlled oscillator of Talbot is not a ring
oscillator.37

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