Pointing device with integrated switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 13, 2003
Issued Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Sep 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pointing device comprises a substrate with an electrically conductive surface (36) and a resilient return member (12). The return member resiliently supports a resistive surface (20) to contact the electrically conductive surface (36) in a pressed mode when a force (23) is applied to push and deform the return member against the electrically conductive surface. The return member (12) is made of a resistive rubber material. The resistive surface (20) has a voltage variance and is curved to be rocked on the electrically conductive surface (36) in the pressed mode. The voltage variance is detected on the electrically conductive (20) surface and a variable signal is generated and processed. In a specific embodiment, a dome switch is disposed between the resistive surface and the electrically conductive surface to provide a drag function.
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Cited Art Landscape
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