Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2006-10-30
2008-12-23
Budd, Mark (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S331000, C341S020000, C341S027000
Reexamination Certificate
active
07468573
ABSTRACT:
A method provides tactile feedback emulating a click like feedback provided by one or more low cost, thin piezoelectric devices (142) to an input device (110) of an electronic device (100), the piezoelectric devices (142) being driven by two or more low voltage pulses (804, 806) within the temporal acuity of human touch.
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Dai Steve X.
Sadler Daniel J.
Budd Mark
Motorola Inc.
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