Appeal 2007-1464
Application 10/276,285
braking demand signal is equivalent to Appellants’ ‘enable signal’ and its value is
based on the two desired values for braking force” (Answer 7), and (2) “[i]f the
arithmetic units are programmed to detect failure of each other then they are
monitoring each other” (Answer 8). The issues before us are (1) whether
Appellants have shown that the Examiner erred in rejecting claims 9-16 as
anticipated by Zittlau, and (2) whether Appellants have shown that the Examiner
erred in rejecting claim 17 as unpatentable over Zittlau and Zydek.
FINDINGS OF FACT
The relevant facts include the following:
1. The customary definition of a microcomputer is a small computer
usually equipped with a microprocessor. Merriam-Webster’s Collegiate
Dictionary 784 (11th ed. 2005).
2. The customary definition of microprocessor is a central processing
unit (CPU) on a single chip. Microsoft Press Computer Dictionary 228 Microsoft
Press (1991).
3. Appellants’ Specification does not define the term microcomputer or
microprocessor nor does it use these terms contrary to their customary definition.
4. Zittlau discloses a brake system for a motor vehicle including
electronically actuated brake actuators (Zittlau, col. 1, ll. 5-7).
5. Zittlau teaches that the brake system includes a pedal unit including a
plurality of sensors generating sensor signals, and a control unit including at least
three arithmetic units (Zittlau, col. 2, ll. 9-13).
4
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