Appeal No. 97-1656 Page 9
Application No. 08/314,26
Regarding claims 1 and 2, the appellant alleges that
Takahashi does not teach on screen display devices. (Appeal
Br. at 9-10.) He adds, “the structure of Takahashi is
different from that of the present invention.” (Reply Br. at
2.) In response the examiner notes, “Takahashi teaches a
plurality of on screen display circuits.” (Examiner’s Answer
at 7-8.) The examiner then reads the claimed limitation on
the reference. (Id. at 8.)
Giving claims 1 and 2 their broadest reasonable
interpretation, we find that the limitation of “a plurality of
on screen display devices each capable of displaying in plural
blocks of display data, information from independent sources,”
(Appeal Br. at 15), is broad enough to read on Takahashi’s
plurality of screen display circuits. The reference generally
teaches a screen display apparatus fabricated on a single chip
to show a variety of displays, col. 2, ll. 1-3, on a TV
screen. Col. 1, ll. 1-8. The variety includes channel
number, sound volume, and menu. Id. at ll. 54-55.
Takahashi’s apparatus includes a plurality of screen display
circuits for generating display pattern data. Col. 2, ll. 4-
6. Each display circuit comprises a character RAM and a
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