SYSTEM AND METHOD FOR ACCURATE LIFT-DETECTION OF AN INPUT DEVICE
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Issued Date -
May 28, 2009
app pub date -
Mar 20, 2008
filing date -
Nov 27, 2007
priority date (Note) -
Abandoned
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Abstract
Various systems and methods are employed for lift-detection. Beam triangulation can be used, and in one embodiment, an optical lift detection module is separate from the optical tracking module. In one embodiment, a capacitive lift detection technique is used. A capacitor is built into the bottom case of the mouse. When the mouse is resting on a surface, the surface material serves as a dielectric for the capacitor, while air serves as the dielectric when the mouse is lifted. This dielectric change leads to a change in the capacitance value, leading to detection of lift. In one embodiment, a capacitor with an easily compressable material inserted between the two electrodes is used. In another embodiment, a mechanical plunger with an elastic membrane is used for lift detection. Lift detection can be tunable and/or customizable. The actual height of the life can be detected, rather than simple on-off notifications.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LOGITECH EUROPE S A | EPFL - QUARTIER DE L'INNOVATION DANIEL BOREL INNOVATION CENTER LAUSANNE 1015 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bidiville, Marc | Monaco, MC | 36 | 2694 |
Chauvin, Nicolas | Chexbres, CH | 38 | 2986 |
Constantin, Christophe | Cossonay, CH | 5 | 104 |
Karamata, Boris | Rivaz, CH | 4 | 368 |
Mathis, Olivier | Grimisuat, CH | 11 | 694 |
Robert, Jacques | Le Mont-sur-Lausanne, CH | 36 | 662 |
Theytaz, Olivier | Savigny, CH | 37 | 2778 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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