Appeal No. 2000-0142 Page 11
Application No. 08/705,569
periods.” As aforementioned, the appellants argue that the
claimed invention does not use a switching device.
The specification discloses, however, that the invention
does include a transistor. Specifically, “[t]he current
amplifier in this embodiment is constructed as a source
follower comprising field effect transistor T1 . . . .”
(Spec. at 5.) Furthermore, a transistor is “[a] semiconductor
device used, as a rectifier, amplifier or switch,” The Diagram
Group, Macmillan Visual Desk Reference § 218 (1993)(emphasis
added); a transistor is a “[s]emiconductor used as amplifier
or switching device.” Id. at § 342 (emphasis added). Because
the appellants argue that the claimed invention does not use a
switching device, while the specification discloses that the
invention includes a transistor, we are persuaded that one
skilled in the art would not understand the bounds of the
claims when read in light of the specification. Therefore, we
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