Patent application number | Description | Published |
20120242585 | POSITION SENSING PANEL - A position sensing panel may include electrode connecting lines from two different sets of electrodes arranged so that the distance between a side edge of a connecting line from one of the set of electrodes and a center of an adjacent connecting line from the same set of electrodes may be less than the distance between the connecting line and a nearest connecting line from the other set of electrodes. | 09-27-2012 |
20120261242 | Two-Layer Sensor Stack - In one embodiment, an method apparatus includes an optically clear adhesive (OCA) layer between a cover sheet and a substrate. The substrate has drive or sense electrodes of a touch sensor disposed on a first surface and a second surface of the substrate. The first surface is opposite the second surface and the drive or sense electrodes are made of a conductive mesh of conductive material including metal. | 10-18-2012 |
20120262382 | PANEL - An electrode pattern for a position sensing panel may have an array of mesh cells formed by sinusoidaly shaped conductive lines extending between vertices of the mesh cells. | 10-18-2012 |
20120262412 | Touch Sensor with a Conductive Line Having Different Widths - In one embodiment, a touch sensor includes one or more meshes of conductive material. Each of the meshes includes a plurality of conductive lines. A first one of the conductive lines has a first portion and a second portion. The first portion is wider than the second portion. | 10-18-2012 |
20120299863 | TOUCH SENSOR WITH RFID - The examples describe the integration of a RFID tag with a touch sensor. | 11-29-2012 |
20130032414 | Touch Sensor for Curved or Flexible Surfaces - In one embodiment, an apparatus includes a substantially flexible substrate configured to bend at an edge between a first surface and a second surface of a device. The edge has an angle of deviation between the first and second surfaces of at least approximately 45°. The apparatus includes a touch sensor disposed on the substantially flexible substrate and configured to bend with the substantially flexible substrate at the edge between the first and second surfaces. The touch sensor includes drive or sense electrodes made of flexible conductive material configured to bend with the substantially flexible substrate at the edge between the first and second surfaces. The touch sensor has at least one active area on each of the first and second surfaces. | 02-07-2013 |
20130038563 | Substantially Edgeless Touch Sensor - In one embodiment, an apparatus includes a substrate configured to extend substantially out to at least two edges of a surface of a device. The apparatus also includes a touch sensor disposed on the substrate, the touch sensor comprising an active area that is configured to extend substantially out to at least two of the edges of the surface of the device. | 02-14-2013 |
20130100038 | Single-Layer Touch Sensor - In one embodiment, a touch sensor includes multiple first electrode lines along a first direction. Each of the first electrode lines includes multiple first electrodes. The touch sensor also includes multiple second electrode lines along a second direction substantially perpendicular to the first direction. Each of the second electrode lines includes one second electrode. The second electrode of each of the second electrode lines is interdigitated with one of the first electrodes of each of the first electrode lines. The first and second electrodes are disposed on one side of a substrate. | 04-25-2013 |
20130100052 | Touch-Sensitive User Interface - A touch-sensitive user interface includes a sensor element providing a plurality of sensing areas, a measurement circuit coupled to the sensor element and operable to iteratively acquire measurement signal values indicative of the proximity of an object to the respective sensing areas, and a processor operable to receive the measurement signal values from the measurement circuit and to classify a sensing area as an activated sensing area for a current iteration according to predefined selection criteria, wherein the predefined selection criteria are such that activation of at least a first sensing area in a current iteration is suppressed if at least a second sensing area has previously been classified as an activated sensing area within a predefined period before the current iteration. Thus a sensing area may be prevented from being activated for a predefined period of time after another sensing area has been activated. | 04-25-2013 |
20130106441 | Flexible Touch Sensor | 05-02-2013 |
20130106721 | Active Stylus With Surface-Modification Materials | 05-02-2013 |
20130106722 | Pulse- Or Frame-Based Communication Using Active Stylus | 05-02-2013 |
20130106723 | Inductive Charging for Active Stylus | 05-02-2013 |
20130106724 | Executing Gestures With Active Stylus | 05-02-2013 |
20130106725 | Data Transfer from Active Stylus | 05-02-2013 |
20130106731 | Executing Gestures with Active Stylus | 05-02-2013 |
20130106740 | Touch-Sensitive System with Motion Filtering | 05-02-2013 |
20130106741 | Active Stylus with Tactile Input and Output | 05-02-2013 |
20130106766 | Active Stylus with Configurable Touch Sensor | 05-02-2013 |
20130106767 | Modulating Drive Signal for Communication Between Active Stylus and Touch-Sensor Device | 05-02-2013 |
20130106770 | Active Stylus with Energy Harvesting | 05-02-2013 |
20130106771 | Active-Stylus Nib with Rolling-Ball Tip | 05-02-2013 |
20130106777 | Determining Hover Distance of an Active Stylus | 05-02-2013 |
20130106796 | Active Stylus with Capacitive Buttons and Sliders | 05-02-2013 |
20130106799 | Authenticating with Active Stylus | 05-02-2013 |
20130106800 | Authenticating with Active Stylus | 05-02-2013 |
20130113502 | Randomizing One or More Micro-Features of a Touch Sensor - In one embodiment, an apparatus includes a touch sensor with one or more meshes of conductive material. Each of the meshes includes multiple mesh cells defined by multiple mesh segments. Each of the mesh cells includes a centroid and multiple vertices. The mesh segments are made of the conductive material, and the centroids or vertices of the mesh cells have a substantially random distribution within an area of the touch sensor. The apparatus also includes one or more computer-readable non-transitory storage media coupled to the touch sensor that embody logic that is configured when executed to control the touch sensor. | 05-09-2013 |
20130127772 | Touch Sensor with Conductive Lines having Different Widths - In one embodiment, a touch sensor includes one or more meshes of conductive material. Each of the meshes comprising a plurality of conductive lines. At least a first conductive line of the plurality of conductive lines has a width that is greater than a width of at least a second conductive line of the plurality of conductive lines. | 05-23-2013 |
20130127775 | Single-Layer Touch Sensor with Crossovers - In one embodiment, an apparatus includes drive or sense electrodes of a touch sensor. Each of the electrodes are made of a conductive mesh of lines of conductive material. The apparatus also includes one or more conductive crossovers that each couple two of the drive electrodes to each other or couple two of the sense electrodes to each other. At least a portion of each of the conductive crossovers is disposed on a plane different than a plane of the drive or sense electrodes. | 05-23-2013 |
20130127776 | Integrated Touch Screen - In one embodiment, an apparatus includes a display stack for a touch-sensitive screen. The display stack comprises a plurality of layers in which a top layer comprises a substantially transparent cover layer. The display stack is configured to display a color image. The apparatus also includes a touch sensor provided within the display stack. The touch sensor comprises a plurality of first conductive electrodes contacting a layer of a subset of the plurality of layers of the display stack. The subset of the plurality of layers is below the substantially transparent cover layer. The touch sensor also includes a plurality of second conductive electrodes contacting a layer of the subset of the plurality of layers. | 05-23-2013 |
20130141119 | Substantially Edgeless Touch Sensor - In one embodiment, an apparatus is provided that includes a touch sensor. The touch sensor includes a plurality of drive electrodes made of conductive material, a plurality of sense electrodes made of conductive material, and a plurality of edges. Each of the drive electrodes and each of the sense electrodes are coupled to at least one track. The tracks are located along only one of the plurality of edges of the touch sensor. | 06-06-2013 |
20130141340 | Multi-Surface Touch Sensor - In one embodiment, an apparatus includes a first substrate area with a first touch sensor disposed on it configured for a first surface of a device. The apparatus further includes a second substrate area with a second touch sensor disposed on it configured for a second surface of the device. An edge between the first and second surfaces of the device may comprise an angle of deviation between the first and second surfaces of at least approximately 45°. The apparatus may further include a flexible printed circuit (FPC) bonded to the first and second substrate areas, the FPC being configured to bend at the edge between the first and second surfaces. | 06-06-2013 |
20130141381 | Surface Coverage Touch - In one embodiment, a method includes receiving, from a touch sensor of a device, signals corresponding to touch or proximity inputs within a touch-sensitive area of the touch sensor. The touch-sensitive area has periphery areas. The method also includes determining, based on the signals, whether the touch or proximity inputs were simultaneously sensed within the periphery areas; and if the touch or proximity inputs were simultaneously sensed within the periphery areas, then initiating a pre-determined function of the device. | 06-06-2013 |
20130147720 | Touch Sensor With Inductive Charging - In one embodiment, an apparatus includes a substrate, a flexible printed circuit (FPC), a touch sensor, and an inductive-charging element. The FPC is coupled to the substrate. The touch sensor is disposed on the substrate. The touch sensor includes electrodes made of conductive material. The inductive-charging component is disposed on the substrate or the FPC. | 06-13-2013 |
20130154991 | Single-Layer Touch Sensor - In one embodiment, an apparatus includes a touch sensor. The touch sensor is disposed on one or more substrates. The touch sensor includes at least one drive electrode and at least one sense electrode. The drive and sense electrodes each include a base portion and a plurality of digits coupled to the base portion. The spaces between the digits of the drive electrode are partially occupied by a digit of a sense electrode (and vice versa). The drive and sense electrodes occupy the same plane. | 06-20-2013 |
20130155001 | Low-Resistance Electrodes - In one embodiment, an apparatus includes one or more substrates and a touch sensor disposed on one or more of the substrates. The touch sensor has a substantially transparent electrode made of lines of substantially opaque conductive material and the substantially transparent electrode having an effective sheet resistance within a range of approximately 5 to approximately 20 ohms per square. | 06-20-2013 |
20130155630 | Touch Sensor with Passive Electrical Components - In one embodiment, an apparatus includes a substrate, a touch sensor, and a passive electrical component. The touch sensor is disposed on the substrate. The passive electrical component is disposed on a surface of the substrate. The passive electrical component is formed at least in part of conductive material. | 06-20-2013 |
20130180841 | Sensor Stack with Opposing Electrodes - In one embodiment, an apparatus includes a first substrate and a second substrate, each with drive or sense electrodes of a touch sensor disposed on it. The drive or sense electrodes are made of a conductive mesh of conductive material. The apparatus also includes a first adhesive layer between the drive or sense electrodes of the first substrate and the drive or sense electrodes of the second substrate. | 07-18-2013 |
20130181910 | Dual-Substrate-Sensor Stack - In one embodiment, an apparatus includes a first dielectric layer between a first substrate and a second substrate; and the first and second substrates. The first and second substrates each having drive or sense electrodes of a touch sensor disposed on it. The drive or sense electrodes are made of a conductive mesh of conductive material. The drive and sense electrodes are disposed on a surface of the first and second substrates that face a display. | 07-18-2013 |
20130181911 | On-Display-Sensor Stack - In one embodiment, an electronic display includes a display stack including one or more layers; and drive or sense electrodes of a touch sensor substantially disposed on one or more of the layers on or within the display stack. The drive or sense electrodes are made of a conductive mesh of conductive material. | 07-18-2013 |
20130257795 | Capacitive Sensing with High-Frequency Noise Reduction - A method includes performing a measurement burst which generates signal sample values from measurement cycles. Each measurement cycle includes inducing charge onto a key during a drive part of the measurement cycle, measuring during a signal measurement part of the measurement cycle the charge induced on the key during the drive part of the measurement cycle, and generating a signal sample value to represent the charge measured from the key. The method includes comparing the value of the signal sample values of the measurement burst with a determined range of accepted values between a determined maximum and a determined minimum value, and processing the signal sample values, which are outside the determined accepted range to the effect that the presence of the body can be determined only from a change in the value of one or more of the signal samples which are within the determined accepted range. | 10-03-2013 |
20130278540 | Inter Touch Sensor Communications - In one embodiment, a method of communicating between a first touch sensor and a second touch sensor includes listening, by the first touch sensor, for a synchronization signal transmitted by the second touch sensor, the listening comprising detecting capacitance changes at one or more of a plurality of touch electrodes of the first touch sensor. The method further includes establishing a communications session between the first and second touch sensors after the first touch sensor receives the synchronization signal and transmitting data, by the first touch sensor using one or more of the plurality of touch electrodes of the first touch sensor, to the second touch sensor after establishing the communications session. | 10-24-2013 |
20130307569 | NOISE MEASUREMENT IN CAPACITIVE TOUCH SENSORS - In particular embodiments, an apparatus includes a charge-measurement capacitor having a first plate coupled to a second plate of a coupling capacitor and a non-transitory computer-readable storage medium embodying logic that is operable when executed to ground a first plate of the coupling capacitor; inject a pre-determined amount of charge onto the charge-measurement capacitor; and transfer an amount of charge accumulated on the second plate of the coupling capacitor to the first plate of the charge-measurement capacitor. The charge accumulated on the second plate of the coupling capacitor is due at least in part to noise. The logic is also operable when executed to determine, through a measured voltage across the charge-measurement capacitor, the amount of charge. | 11-21-2013 |
20140043294 | Touchscreen Electrode Arrangement - A touchscreen includes an array of first electrode pairs and an array of second electrode pairs distributed across an active area of the touchscreen. The first and second electrode pairs may be configured in various snaking patterns to vary the proportion of first and second electrode pair density in a first direction across the touchscreen. The position of a touch can be determined by the proportion of densities of elements in the area of the touch, such as by measuring capacitive coupling of the drive elements. | 02-13-2014 |
20140047706 | Capacitive Touch Sensor for Identifying a Fingerprint - A capacitive sensor includes at least one substrate, a capacitive touch position sensor, and a capactive fingerprint sensor. The capacitive touch position sensor is included on the at least one substrate and in a touch sensing area. The capactive touch position sensor includes electrodes configured to enable detection of the presence and position of a touch in the touch sensing area. The capactive fingerprint sensor is included on the at least one substrate and in a fingerprint sensing area. The capacitive fingerprint sensor includes electrodes configured to enable identification of the fingerprint of a finger placed in the fingerprint sensing area. | 02-20-2014 |
20140085263 | Capacitive Touch Sensors - A touch data set is acquired via signals from each sensing node in a capacitive sensor array having a plurality of sensing nodes. Touch presence and location on the capacitive sensor array is determined from the touch data set. In subsequent sampling periods while presence of a touch continues to be detected, touch data sets may be acquired from respective subsets of the sensing nodes, each subset being located at and adjacent to the touch location determined in the preceding sampling period. | 03-27-2014 |
20140125403 | Resistive Interpolation for a Touch Sensor with Opaque Conductive Material - In one embodiment, an apparatus comprises a substrate. The apparatus further comprises a plurality of drive electrodes disposed on the substrate. Each of the plurality of drive electrodes is formed of an opaque conductive material. The apparatus further comprises a plurality of resistors. For each adjacent pair of drive electrodes of the plurality of drive electrodes, a resistor of the plurality of resistors is coupled between the pair of drive electrodes. | 05-08-2014 |
20140132523 | Touch Sensing Based On Signal Reflections - In one embodiment, a method performed by executing logic embodied by one or more computer-readable non-transitory storage media includes sending a first signal on a first line of a touch sensor. The first line includes a first plurality of electrodes. The method includes receiving a reflection of the first signal on the first line of the touch sensor. The method also includes determining coordinates of a touch on a device comprising the touch sensor in response to receiving the reflection of the first signal. | 05-15-2014 |
20140168092 | Uniform-Density Coplanar Touch Sensor - In one embodiment, an apparatus includes one or more drive electrodes and one or more sense electrodes of a touch sensor. Each drive electrode and each sense electrode includes a number of first and second conductive regions made of a conductive mesh of lines of conductive material. The first conductive regions have a first mesh density. The second conductive regions have a second mesh density. The first mesh density is greater than the second mesh density. The apparatus also includes one or more crossover areas of the touch sensor. Each crossover area includes at least a portion of a second conductive region of a drive electrode crossing over or under at least a portion of a second conductive region of a sense electrode. Each crossover area has a combined mesh density of the portions of the second conductive regions within it that is substantially equal to the first mesh density. | 06-19-2014 |
20140168133 | Integrated Pixel Display and Touch Sensor - In one embodiment, an apparatus includes a display component comprising a plurality of pixels configured to display an image. The apparatus also includes a touch sensor component configured to detect a touch input. The apparatus additionally includes a touch-screen controller. The touch-screen controller is coupled to the touch sensor component and the display component. The touch-screen controller is configured to generate a drive signal for the touch sensor component using a portion of the display component. | 06-19-2014 |
20140176819 | Touch Sensor with Integrated Antenna - In one embodiment, an apparatus includes one or more flexible substrates having flexible conductive material disposed thereon and a radiating element disposed on a first region of the flexible substrates. The radiating element includes a first portion of the flexible conductive material. The apparatus includes a touch-sensing area disposed on a second region of the flexible substrates. The touch-sensing area includes multiple electrodes that each include a respective second portion of the flexible conductive material disposed on the flexible substrates. The electrodes are configured to sense touch of an object at the touch-sensing area. | 06-26-2014 |
20140192277 | LOW-BIREFRINGENCE SUBSTRATE FOR TOUCH SENSOR - In one embodiment, an apparatus includes a substrate including material having a low birefringence. One or more electrodes of a touch sensor are disposed on the substrate. | 07-10-2014 |
20140267099 | TOUCH SENSOR WITH PLASTIC COVER LENS - According to one embodiment, an apparatus comprises a substrate, a touch sensor, and a cover lens. The touch sensor is disposed on the substrate. A conductive mesh forms portions of the touch sensor, and the conductive mesh comprises fine lines of metal. The cover lens is coupled to the touch sensor and is at most 0.4 mm thick. The cover lens comprises plastic. | 09-18-2014 |
20140267141 | TOUCH SENSOR WITH COVER LENS - According to one embodiment, an apparatus comprises a substrate, a touch sensor, and a cover lens. The touch sensor is disposed on the substrate. A conductive mesh forms portions of the touch sensor, and the conductive mesh comprises fine lines of metal. The cover lens is coupled to the touch sensor and is at most 0.55 mm thick. | 09-18-2014 |
20140267168 | Reduction of Touch Sensor Pattern Visibility Using Beamsplitters - In one embodiment, a touch sensor comprises a beamsplitter operable to reflect a first portion of light incident on the beamsplitter and transmit a second portion of light incident on the beamsplitter, a substrate, and one or more lines of conductive material disposed on the substrate, the lines of conductive material disposed between the first substrate and the beamsplitter. | 09-18-2014 |
20140292703 | Touch Sensor with Edge-Balanced Macro-Feature Design - In one embodiment, a touch position-sensing panel comprising a sensing area comprising a substrate, a plurality of first electrodes in a first layer, the plurality of first electrodes comprising conductive mesh and arranged in a first direction, the first layer having a first plurality of gaps formed therein, a plurality of second electrodes in a second layer, the plurality of second electrodes comprising conductive mesh and arranged in a second direction generally perpendicular to the first direction, the second layer having a second plurality of gaps formed therein, and a plurality of capacitive nodes formed by the capacitive coupling of the plurality of first electrodes in the first layer and the plurality of second electrodes in a second layer, the plurality of capacity nodes comprising at least one center node, at least one edge node, and at least one corner node, the at least one center node, at least one edge node, and at least one corner node comprising approximately equal areas. | 10-02-2014 |
20140300376 | Noise Measurement in Capacitive Touch Sensors - In particular embodiments, an apparatus includes a charge-measurement capacitor having a first plate coupled to a second plate of a coupling capacitor and a non-transitory computer-readable storage medium embodying logic that is operable when executed to ground a first plate of the coupling capacitor; inject a pre-determined amount of charge onto the charge-measurement capacitor; and transfer an amount of charge accumulated on the second plate of the coupling capacitor to the first plate of the charge-measurement capacitor. The charge accumulated on the second plate of the coupling capacitor is due at least in part to noise. The logic is also operable when executed to determine, through a measured voltage across the charge-measurement capacitor, the amount of charge. | 10-09-2014 |
20140306922 | Touch Sensor with High-Density Macro-Feature Design - In one embodiment, a touch position-sensing panel comprises a sensing area comprising a substrate, a plurality of first electrodes in a first layer, the plurality of first electrodes comprising conductive mesh and arranged in a first direction, the first layer having a first plurality of gaps formed therein, a plurality of second electrodes in a second layer, the plurality of second electrodes comprising conductive mesh and arranged in a second direction, the second layer having a second plurality of gaps formed therein, wherein the plurality of first electrodes and the plurality of second electrodes overlap to create a plurality of nodes, and wherein each of the plurality of gaps runs in a generally straight line from one side of the sensing area to an opposing side of the sensing area. | 10-16-2014 |
20140313155 | Stylus with Voice Capability - In one embodiment, a method comprises transmitting a first electrical signal to a tip of a stylus, the first electrical signal configured to modify a charge at one or more capacitive nodes of a touch sensor of a computing device such that the proximity of the stylus to the one or more capacitive nodes may be detected by the computing device. A first audio signal is generated based on a first set of sound waves received at a microphone of the stylus. The first audio signal is encoded and wirelessly transmitted to the computing device. A second audio signal received wirelessly from the computing device is decoded and a second set of sound waves based on the decoded second audio signal is played. | 10-23-2014 |
20140333579 | Capacitive Control Panel - A control panel for proximity and force sensing, includes a cover layer, a first electrode layer including a first force sensor electrode, a second force sensor electrode positioned in a second electrode layer or on a support layer, and a dielectric substrate at least a portion of which is compressible and is positioned between the first and second force sensor electrodes. The support layer is positioned to support at the vicinity of the second force sensor electrode support location so that compression of the dielectric substrate and the separation of the first and second force sensor electrodes depends on the magnitude of a force applied to the cover layer. Touch sensor electrodes are positioned on one or more of the electrode layers such that their capacitance depends on proximity of an object such as a finger. Controllers measure the capacitance of the force and touch sensor electrodes respectively and output force and touch proximity signals. | 11-13-2014 |
20150009180 | Two-Dimensional Touch Panel - A capacitive touch panel is provided capable of detecting multiple simultaneous touches. The touch panel delivers sets of capacitance signal values to a processor which computes the coordinates of single or multiple touch locations on the touch panel. The processing of each set is performed by (i) identifying the sensing element having the largest capacitance signal value; (ii) defining a region around that sensing element; and (iii) repeating the process iteratively, wherein each subsequent identifying step excludes signals that lie in previously defined regions. A multi-touch sensor is thus provided in which the signal processing is based on successive definition of regions or sub-blocks in the touch: panel. The touch location in each region can be determined more accurately by then applying interpolation between the adjacent signal values. This allows for position resolution at a finer scale than that defined by the touch panel's electrode patterning. | 01-08-2015 |
20150021584 | Integrated Touch Screen - In one embodiment, an apparatus includes a display stack for a touch-sensitive screen. The display stack comprises a plurality of layers in which a top layer comprises a substantially transparent cover layer. The display stack is configured to display a color image. The apparatus also includes a touch sensor provided within the display stack. The touch sensor comprises a plurality of first conductive electrodes contacting a layer of a subset of the plurality of layers of the display stack. The subset of the plurality of layers is below the substantially transparent cover layer. The touch sensor also includes a plurality of second conductive electrodes contacting a layer of the subset of the plurality of layers. | 01-22-2015 |
20150029159 | System And Method For Using Signals Resulting From Signal Transmission In A Touch Sensor - In an embodiment, a system includes a controller coupled to a first set of electrodes. The first set of electrodes are substantially arranged along a first axis. The controller is configured to send a first set of signals through a transmission medium to a first set of electrodes and receive a second set of signals. The impedance of the transmission medium is different than the impedance of the first set of electrodes. The second set of signals include characteristics resulting from effects on the first set of signals from the first set of electrodes and the transmission medium. The controller is configured to change, in response to analyzing the second set of signals, one or more of the following: an impedance of the controller and a voltage associated with the controller. | 01-29-2015 |
20150042615 | Capacitive Position Sensor - In one embodiment, a sensor includes a plurality of drive electrodes running generally in a first direction. The sensor also includes a plurality of sense electrodes running generally in a second direction. The sense electrodes have branches running generally in the first direction. End portions of the adjacent branches of adjacent sense electrodes extend beyond one another to define respective coextensive portions of the branches. | 02-12-2015 |