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US 7,129,935 B2Granted
Sensor patterns for a capacitive sensing apparatus
AssigneeSynaptics Incorporated
InventorBob Lee Mackey
Life of this patent
Estimating the term…
Abstract
One embodiment in accordance with the present invention includes a capacitive sensing apparatus. The capacitive sensing apparatus comprises a first set of interdigitated conductive traces. Additionally, the capacitive sensing apparatus comprises a second set of interdigitated conductive traces that are intertwined with the first set of interdigitated conductive traces.
Claims42
A capacitive sensor apparatus comprising:
- a first set of interdigitated conductive traces;
- and
- a second set of interdigitated conductive traces intertwined with said first set of interdigitated conductive traces.
A capacitive position sensor apparatus comprising:
- a first set of conductive traces, wherein at least one of said first set of conductive traces comprises a first set of redundant conductive elements;
- and
- a second set of conductive traces, wherein at least one of said second set of conductive traces comprises a second set of redundant conductive elements, wherein said first set of redundant conductive elements is intertwined with said second set of redundant conductive traces.
A capacitive sensor apparatus comprising:
- a first set of interdigitated conductive traces comprising a trace having varying width;
- and
- a second set of interdigitated conductive traces intertwined with said first set of conductive traces.
A capacitive position sensor apparatus comprising:
- a first set of conductive traces, wherein at least one of said first set of conductive traces comprises a first set of redundant conductive elements;
- and
- a second set of conductive traces, wherein at least one of said second set of conductive traces comprises a second set of redundant conductive elements, wherein an element of said first set of redundant conductive elements and an element of said second set of redundant elements cross only at one intersection.
Dependencies are inferred from the claim text.