Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2005-03-29
2005-03-29
Awad, Amr A. (Department: 2675)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
C345S161000, C345S163000, C463S030000, C463S037000
Reexamination Certificate
active
06873316
ABSTRACT:
An apparatus for filtering or suppressing a tactile feedback to a user of a computer cursor control device such as a pointing stick is provided. A pzt material is first mounted to a semi-rigid material such as by bonding the pzt material to a metal substrate. When an ac signal is applied to this assembly it vibrates. By coupling this mechanical vibration to the pointing stick, the user can sense the feedback. This can be used, for example, to provide a tactile feedback when the user depresses the pointing stick to cause a “mouse click.” In order to prevent unwanted cursor movement on the display, a suppression circuit is provided that filters out the spurious signals or completely deactivates cursor movement during activation of the tactile feedback.
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Steinbrunner Steven L.
Taylor Eric B.
Tichy Thomas Henry
Awad Amr A.
Borgman Mark W.
Bourgeois Mark P.
CTS Corporation
Nelson Alecia D.
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