Appeal No. 96-4063
Application 08/389,087
unit (see specification, page 4). Thus, appellants’ combination of infrared communication with a
handheld computing unit provides a unique advantage in maintenance, diagnostic, and training systems.
Representative system claim 55 is reproduced below:
55. A self-contained portable handheld computing unit, comprising,
a processor unit to process data for the self-contained portable handheld computing unit,
a boot ROM having data to boot the self-contained portable handheld computing unit,
an input/output ROM to input and output data for the self-contained portable handheld
computing unit,
at least one input/output port to input and output data,
a communication interface to interface with the self-contained portable handheld computing unit,
a RAM memory,
a display to display data for said self-contained portable handheld computing unit,
a display touch scanner to input data for said self-contained portable handheld computing unit
and
an optical disk interface to interface with stored data for the self-contained portable handheld
computing unit.
The following references are relied on by the examiner:
Dunn 4,497,036 Jan. 29, 1985
Berstein et al. (Berstein) 4,608,486 Aug. 26, 1986
Mayer et al. (Mayer) 4,608,872 Sept. 2, 1986
Auer et al. (Auer) 4,725,694 Feb. 16, 1988
Abe et al. (Abe) 4,766,427 Aug. 23, 1988
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