PRODUCING CAPACITIVE IMAGES COMPRISING NON-CONNECTION VALUES
First Claim
1. A method for producing capacitive images of a sensing region of a sensor electrode, said sensor electrode comprising a plurality of connection sections and a non-connection section, wherein said sensor electrode is connected to sensor circuitry at a plurality of connection locations located in said plurality of connection sections and not said non-connection section, said method comprising:
- transmitting a transmitter signal into said sensor electrode at a connection location of said plurality of connection locations;
receiving a plurality of resulting signals from said sensor electrode at multiple connection locations of said plurality of connection locations, wherein said plurality of resulting signals includes effects of said transmitter signal propagating through said sensor electrode to said multiple connection locations; and
producing a capacitive image using said plurality of resulting signals, said capacitive image comprising a non-connection value associated with said non-connection section.
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Accused Products
Abstract
Apparatus and method for producing capacitive images of a sensing region of a sensor electrode are disclosed. The sensor electrode comprises a plurality of connection sections and a non-connection section. The sensor electrode is connected to sensor circuitry at a plurality of connection locations located in the plurality of connection sections and not the non-connection section. The apparatus is operated by transmitting a transmitter signal into the sensor electrode at a connection location of the plurality of connection locations, receiving a plurality of resulting signals from the sensor electrode at multiple connection locations of the plurality of connection locations, and producing a capacitive image using the plurality of resulting signals. The plurality of resulting signals includes effects of the transmitter signal propagating through the sensor electrode to the multiple connection locations. The capacitive image comprising a non-connection value associated with the non-connection section.
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Citations
27 Claims
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1. A method for producing capacitive images of a sensing region of a sensor electrode, said sensor electrode comprising a plurality of connection sections and a non-connection section, wherein said sensor electrode is connected to sensor circuitry at a plurality of connection locations located in said plurality of connection sections and not said non-connection section, said method comprising:
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transmitting a transmitter signal into said sensor electrode at a connection location of said plurality of connection locations; receiving a plurality of resulting signals from said sensor electrode at multiple connection locations of said plurality of connection locations, wherein said plurality of resulting signals includes effects of said transmitter signal propagating through said sensor electrode to said multiple connection locations; and producing a capacitive image using said plurality of resulting signals, said capacitive image comprising a non-connection value associated with said non-connection section. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A processing system configured to produce capacitive images of input in a sensing region of a sensor electrode, said processing system comprising:
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a plurality of circuitry portions configured to be connected to said sensor electrode at a plurality of connection locations; and an imaging module configured to; during a first time period, operate a first circuitry portion of said plurality of circuitry portions to transmit a first transmitter signal into said sensor electrode and operate said plurality of circuitry portions to receive a first plurality of resulting signals from said sensor electrode, wherein said first plurality of resulting signals includes first effects of said first transmitter signal propagating through said sensor electrode, during a second time period, operate a second circuitry portion of said plurality of circuitry portions to transmit a second transmitter signal into said sensor electrode and operate said plurality of circuitry portions to receive a second plurality of resulting signals from said sensor electrode, wherein said second plurality of resulting signals includes second effects of said second transmitter signal propagating through said sensor electrode, and produce a capacitive image using said first and second pluralities of resulting signals, said capacitive image comprising a non-connection value associated with a non-connection section of said sensor electrode, wherein said sensor electrode is not connected to said plurality of circuitry portions in said non-connection section. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A capacitive imaging sensor device comprising:
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a sensor electrode having a sensing region, said sensor electrode configured to capacitively sense input in said sensing region; and a processing system comprising a plurality of circuitry portions connected to said sensor electrode at a plurality of connection locations, said processing system configured to; during a first time period, operate said plurality of circuitry portions to transmit a first transmitter signal into said sensor electrode at a first connection location and to receive a first plurality of resulting signals from said sensor electrode at a first plurality of connection locations, during a second time period, operate said plurality of circuitry portions to transmit a second transmitter signal into said sensor electrode at a second connection location different from said first connection location and to receive a second plurality of resulting signals from said sensor electrode at a second plurality of connection locations, and determine a capacitive image of said sensing region using said first and said second pluralities of resulting signals, said capacitive image spanning at least two physical dimensions and comprising a non-connection value associated with a non-connection section of said sensor electrode, wherein said electrode is not connected to said plurality of circuitry portions in said non-connection section. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification