The "capable of" test

From Ex parte NAKAYAMA

The "capable of" test requires that the prior art structure be capable of performing the function without further programming. Typhoon Touch Techs., Inc. v. Dell, Inc., 659 F.3d 1376, 1380 (Fed. Cir. 2011) (discussing Microprocessor Enhancement Corp. v. Texas Instruments, Inc., 520 F.3d 1367 (Fed. Cir. 2008)).