Appeal No. 1997-1636 Page 14
Application No. 08/204,996
notice is taken, moreover, that directing output data to an
input to provide feedback was old and well known in the art of
control systems at the time the invention was made. At that
time, it would have been obvious to a person having ordinary
skill in the art to interconnect the output of one of Lawton’s
processing cells to an input of another processing cell so
that the output data can be selectively directed to the other
processing cell as claimed. The motivation to do so would
have been to use the results of past calculations in future
calculations.
For the foregoing reasons, the examiner has established a
prima facie case of obviousness. Therefore, we affirm the
examiner’s rejection of claim 4. Next, we address the
obviousness of claims 6 and 7.
Obviousness of Claims 6 and 7
Regarding claims 6 and 7, the appellants argue, “Although
Anderson et al. may show switching control of the operating
Page: Previous 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Next
Last modified: November 3, 2007