Appeal No. 1997-0400
Application No. 08/080,735
Appellants argue that Tabata does not teach or suggest directly supplying the bit in
plane 15P, which the examiner relies upon to teach the minority bits, to the selectors 117-
119 to select between either the look-up color data or the direct display color data.
Appellants argue that Tabata routes the bit 113P to the area discriminator circuit 17. (See
brief at page 4.) We agree with appellants. Moreover, appellants argue that bit 113P is
not input to the look-up table to determine the appropriate color data words. Id.
Appellants further argue that Tabata implies that bit 113P is not input to the look-up table
(LUT) because it may be supplied by another memory in synchronism with the bit map
memory. (See supplemental reply brief at pages 2-3.) We agree with appellants. From
our review of Tabata, we find that the selection bit 113P (or bits in combination with
Maeda), which correspond to the claimed minority bits, is not input to the look-up table, but
is only used in the selection process. Therefore, Tabata teaches three groups of bits, the
LUT bits 113, the direct display bits 117-119 and the selection bit 113P. Although, Tabata
teaches the bypass of the LUT by the direct display, Tabata does not clearly teach or
suggest the use of the LUT data in the selection process.
Appellants argue that Maeda does not remedy the deficiencies in Tabata because
Maeda uses an equal number of bits for the look-up and the direct display. Furthermore
both the look-up and the direct display data are both processed through the look-up
table/memory. (See brief at page 4.) We agree with appellants. The examiner relies
4
Page: Previous 1 2 3 4 5 6 Next
Last modified: November 3, 2007