Transcapacitive sensor devices with ohmic seams
First Claim
1. A transcapacitive sensing device having an ohmic seam, said transcapacitive sensing device comprising:
- a plurality of transmitter electrodes, wherein said plurality of transmitter electrodes is sectioned by said ohmic seam;
a plurality of receiver electrodes, wherein said plurality of receiver electrodes is sectioned by said ohmic seam; and
a processing system communicatively coupled with said plurality of transmitter electrodes and said plurality of receiver electrodes, said processing system configured to;
transmit a first transmitter signal with a first transmitter electrode of said plurality of transmitter electrodes, wherein said first transmitter electrode is disposed on a first side of said ohmic seam;
transmit a second transmitter signal with a second transmitter electrode of said plurality of transmitter electrodes, wherein said second transmitter electrode is disposed on a second side of said ohmic seam;
receive a first response corresponding to said first transmitter signal with a first receiver electrode of said plurality of receiver electrodes, wherein said first receiver electrode is disposed on said first side of said ohmic seam; and
receive a second response corresponding to said second transmitter signal with a second receiver electrode of said plurality of receiver electrodes, wherein said second receiver electrode is disposed on said second side of said ohmic seam,wherein said first transmitter electrode and said first receiver electrode cross over one another and said second transmitter electrode and said second receiver electrode cross over one another.
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Accused Products
Abstract
A transcapacitive sensing device has and ohmic seam which sections a plurality of transmitter electrodes and also sections a plurality of receiver electrodes. A processing system is communicatively coupled with the transmitter electrodes and the receiver electrodes and configured to: transmit a first transmitter signal with a first transmitter electrode disposed on a first side of the ohmic seam; transmit a second transmitter signal with a second transmitter electrode disposed on a second side of the ohmic seam; receive a first response corresponding to said first transmitter signal with a first receiver electrode disposed on the first side of the ohmic seam; and receive a second response corresponding to said second transmitter signal with a second receiver electrode disposed on the second side of the ohmic seam.
54 Citations
24 Claims
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1. A transcapacitive sensing device having an ohmic seam, said transcapacitive sensing device comprising:
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a plurality of transmitter electrodes, wherein said plurality of transmitter electrodes is sectioned by said ohmic seam; a plurality of receiver electrodes, wherein said plurality of receiver electrodes is sectioned by said ohmic seam; and a processing system communicatively coupled with said plurality of transmitter electrodes and said plurality of receiver electrodes, said processing system configured to; transmit a first transmitter signal with a first transmitter electrode of said plurality of transmitter electrodes, wherein said first transmitter electrode is disposed on a first side of said ohmic seam; transmit a second transmitter signal with a second transmitter electrode of said plurality of transmitter electrodes, wherein said second transmitter electrode is disposed on a second side of said ohmic seam; receive a first response corresponding to said first transmitter signal with a first receiver electrode of said plurality of receiver electrodes, wherein said first receiver electrode is disposed on said first side of said ohmic seam; and receive a second response corresponding to said second transmitter signal with a second receiver electrode of said plurality of receiver electrodes, wherein said second receiver electrode is disposed on said second side of said ohmic seam, wherein said first transmitter electrode and said first receiver electrode cross over one another and said second transmitter electrode and said second receiver electrode cross over one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of capacitive sensing with a capacitive sensing device comprising a plurality of transmitter electrodes sectioned by an ohmic seam and a plurality of receiver electrodes sectioned by said ohmic seam, said method comprising:
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transmitting a first transmitter signal with a first transmitter electrode of said plurality of transmitter electrodes, wherein said first transmitter electrode is disposed on a first side of said ohmic seam; transmitting a second transmitter signal with a second transmitter electrode of said plurality of transmitter electrodes, wherein said second transmitter electrode is disposed on a second side of said ohmic seam; receiving a first response corresponding to said first transmitter signal with a first receiver electrode of said plurality of receiver electrodes, wherein said first receiver electrode is disposed on said first side of said ohmic seam; and receiving a second response corresponding to said second transmitter signal with a second receiver electrode of said plurality of receiver electrodes, wherein said second receiver electrode is on said second side of said ohmic seam, wherein said first transmitter electrode and said first receiver electrode cross over one another and said second transmitter electrode and said second receiver electrode cross over one another. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A transcapacitive sensor electrode arrangement comprising:
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a plurality of transmitter electrodes aligned along a first direction and sectioned by an ohmic seam; and a plurality of receiver electrodes aligned along a second direction non-parallel to said first direction and sectioned by said ohmic seam, wherein said plurality of transmitter electrodes and said plurality of receiver electrodes form a plurality of split pixels coinciding with said ohmic seam. - View Dependent Claims (20, 21)
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22. A processing system configured for operating a capacitive sensing device, the processing system comprising:
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transmitter circuitry configured to transmit with a plurality of transmitter electrodes of said capacitive sensing device, said plurality of transmitter electrodes disposed along a first axis and sectioned by an ohmic seam; receiver circuitry configured to receive with a plurality of receiver electrodes of said capacitive sensing device, said plurality of receiver electrodes disposed along a second axis non-parallel to said first axis and sectioned by said ohmic seam, wherein said plurality of transmitter electrodes and said plurality of receiver electrodes form a plurality of split pixels coinciding with said ohmic seam; and analysis circuitry configured to estimate an amount of capacitive coupling associated with each split pixel of said plurality of split pixels. - View Dependent Claims (23, 24)
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Specification