Anticipation and Obviousness: In a showing of their technical forte, the appellate panel reviewed two prior art references in detail to determine the extent that those references anticipate the patent claims. Their conclusion — that a genuine issue of material fact remains as to whether the references disclose the limitations of the asserted claims.
While those descriptions [in the specification] are not rigorously precise, they provide adequate guidance as to the types of symbols that are "well separated from each other in sloppiness space" . . . Thus, in light of the criteria provided in the specification, we hold that claims 9 and 11 are "subject to construction" and are not "insolubly ambiguous."