Multimedia pointing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 6, 2003
app pub date -
May 22, 2001
filing date -
May 22, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multimedia pointing device comprises a computer keyboard unit and a shuttle dial arranged on a keyboard of the computer keyboard unit. The shuttle dial is connected to a single-chip microprocessor in the computer keyboard unit and generates a pulse or a pulse train upon being activated by pressing and rotation operation. The single-chip microprocessor detects the number and phase of the pulse or the pulse train and encodes the detection result to scan code stored in a driver. By invoking the WINExec 0 function of the Windows system; a plurality of icons corresponding to application programs associated with the scan codes are displayed on the display monitor. The switch is operated to control cursor, scroll bar and numbers under Windows environments; and the program selection and execution is also facilitated.
First Claim
Family
International Classification(s)
Cited Art Landscape
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