Appeal No. 97-1656 Page 10
Application No. 08/314,26
character ROM. Id. at 15-28. A position control circuit
controls the screen display circuits’ output of the display
data. A composing circuit forms a logical sum of the display
data. A plurality of display patterns generated by the screen
display circuits is thus composed to shift or overwrite
characters. Id. at ll. 6-14.
Comparison of the claim language to the reference’s
teaching evidences that Takahashi’s screen display circuits
anticipate the claimed on screen display devices. The claimed
“displaying in plural blocks of display data, information”
reads on the reference’s displaying character data including
first and second characters depicted in Figures 3, 5, and 6.
The claimed “independent sources” read on Takahashi’s first
character RAM or ROM vis-à-vis his second character RAM or ROM
depicted in Figures 2 and 4.
Regarding claim 2, the appellant opines, “it is unclear
whether teletext is included” in Takahashi’s display patterns.
(Appeal Br. at 10.) More specifically, he argues that
although the reference teaches displaying a menu, it does so
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