Patent application number | Description | Published |
20130181942 | SINGLE LAYER CAPACITIVE IMAGING SENSORS - Embodiments of the invention generally provide an input device that includes a plurality of sensing elements that are interconnected in desired way to acquire positional information of an input object, so that the acquired positional information can be used by other system components to control a display or other useful system components. One or more of the embodiments described herein, utilizes one or more of the techniques and sensor electrode array configuration disclosed herein to reduce or minimize the number of traces and/or electrodes required to sense the position of an input object within a sensing region of the input device. | 07-18-2013 |
20130181943 | SINGLE LAYER CAPACITIVE IMAGING SENSORS - Embodiments of the invention generally provide an input device that includes a plurality of sensing elements that are interconnected in desired way to acquire positional information of an input object, so that the acquired positional information can be used by other system components to control a display or other useful system components. One or more of the embodiments described herein, utilizes one or more of the techniques and sensor electrode array configuration disclosed herein to reduce or minimize the number of traces and/or electrodes required to sense the position of an input object within a sensing region of the input device. | 07-18-2013 |
20130271160 | REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES - A capacitive image sensor for detecting an input object includes a first substrate and a second substrate. A compressible region is defined between the first substrate and the second substrate. The first substrate is deflectable towards the second substrate. A transmitter electrode, receiver electrode, and bending effect electrode are disposed on the first substrate. The bending effect electrode is disposed between the transmitter electrode and receiver electrode and is configured to reduce a change in resulting signals detected from the receiver electrode caused by deflection of the first substrate towards the second substrate. | 10-17-2013 |
20130271161 | REDUCING BENDING EFFECTS IN TOUCH SENSOR DEVICES - A capacitive image sensor for detecting an input object includes a first substrate and a second substrate. A compressible region is defined between the first substrate and the second substrate. The first substrate is deflectable towards the second substrate. A transmitter electrode, receiver electrode, and bending effect electrode are disposed on the first substrate. The bending effect electrode is disposed between the transmitter electrode and receiver electrode and is configured to reduce a change in resulting signals detected from the receiver electrode caused by deflection of the first substrate towards the second substrate. | 10-17-2013 |
20140267127 | SINGLE-LAYER CAPACITIVE SENSOR AND CAPACITIVE SENSING INPUT DEVICE - A single-layer capacitive sensor comprises a user input region and a border region proximate to and outside of the user input region. The user input region includes a plurality of transmitter electrodes that are disposed within the user input region. The user input region also comprises a plurality of receiver electrodes disposed in a common stackup layer with the plurality of transmitter electrodes within the user input region such that the transmitter electrodes and the receiver electrodes make no crossings of one another in the common stackup layer or in any other layer within the user input region. The border region comprises a plurality of routing traces extending from the border region into the user input region to couple with the transmitter electrodes and the receiver electrodes. The border region also comprises a plurality of transmission traces disposed entirely within the border region. | 09-18-2014 |
20140267137 | PROXIMITY SENSING USING DRIVEN GROUND PLANE - A method and apparatus for operating an input device having an array of capacitive sensor electrodes disposed on a substrate with a ground plane, and a proximity sensor electrode are disclosed herein. The input device includes a processing system configured to operate in an input mode and a proximity mode. When operating in the input mode, the processing system drives the ground plane to a grounding voltage and scans the array of capacitive sensor electrodes to detect input from an object in an active region of the input device. When operating in the proximity mode, the processing system drives a sensing signal on the ground plane, and optionally, one or more sensor electrodes of the array of capacitive sensor electrodes and receives a resulting signal from the proximity sensor electrode. The processing system generates an indication of an object presence in a second sensing region based on the resulting signal. | 09-18-2014 |
20150029128 | FACE DETECTION WITH TRANSCAPACITIVE SENSING - A processing system configured to detect large objects includes a sensor module with sensor circuitry coupled to transmitter electrodes and receiver electrodes, and configured to transmit transmitter signals with the transmitter electrode and receive resulting signals with the receiver electrodes, the resulting signals including effects corresponding to transmitter signals. The processing system further includes a determination module configured to determine a transition condition is present using a capacitive image, based on the resulting signals, having capacitive pixel values, and operate in large object mode based on the transition condition being present. | 01-29-2015 |