Touch-Sensitive System with Motion Filtering
Granted: May 2, 2013
Application Number:
20130106740
In one embodiment, computer-readable non-transitory storage media receive one or more signals based on motion of an object, a device, or both. The received signals are compared to a motion profile which defines unintended motion of the object, the device, or both, and this comparison determines whether any of the signals represent unintended motion of the stylus or device. The received signals are then processed to correct for the unintended motion defined by the motion profile.
Authenticating with Active Stylus
Granted: May 2, 2013
Application Number:
20130106800
In one embodiment, a stylus operable to communicate wirelessly with a device through a touch sensor of the device contains one or more computer-readable non-transitory storage media embodying logic that is operable when executed to access first data representing a recently occurred authentication event involving the stylus or the device. The logic is further operable to access second data representing a pre-defined authentication event. The logic is further operable to compare the first…
Authenticating with Active Stylus
Granted: May 2, 2013
Application Number:
20130106799
In one embodiment, a stylus includes electrodes operable to transmit signals wirelessly to a device through a touch sensor of the device. The stylus also includes one or more computer-readable non-transitory storage media within the stylus and embodying logic that is operable when executed to access first data representing a gesture made with the stylus by a user, such as a sequence of manipulations of the stylus. The logic is further operable to access second data representing a…
Tuning Algorithm for Noise Reduction in an Active Stylus
Granted: May 2, 2013
Application Number:
20130106797
In one embodiment, a stylus receives a signal, the stylus being able to wirelessly transmit signals to and receive signals from a device, and the stylus having a plurality of electrodes disposed in a tip of the stylus. The stylus compares a first value of the signal to a first threshold and determines whether to start a timing period based at least in part on this comparison. If the timing period is started, the stylus compares a second value of the signal to a second threshold and…
Active Stylus with Configurable Touch Sensor
Granted: May 2, 2013
Application Number:
20130106766
In one embodiment, a device includes a form factor of a stylus. The form factor includes a surface area. The device also includes one or more substrates disposed along one or more portions of the surface area; one or more touch sensors disposed on one or more of the substrates; and a computer-readable non-transitory storage medium coupled to one or more of the touch sensors and embodying logic configured to control one or more of the touch sensors.
Scaling Voltage for Data Communication Between Active Stylus and Touch-Sensor Device
Granted: May 2, 2013
Application Number:
20130106764
In one embodiment, an apparatus comprises a data-transmitting component and a data-receiving component. The data-transmitting component is operable to: select a set of first reference values and a set of second reference values respectively indicating a lower bound and an upper bound of a range of values; respectively represent the set of first reference values and the set of second reference values as a set of first pulses and a set of second pulses; represent a set of analog values as…
Power Management System for Active Stylus
Granted: May 2, 2013
Application Number:
20130106763
In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device. The computer-readable non-transitory storage media of the stylus further embodies logic for allocating between the stylus and the device electric energy available at the stylus or the device based on one or more first criteria.
Locking Active Stylus and Touch-Sensor Device
Granted: May 2, 2013
Application Number:
20130106762
In one embodiment, a system comprises a touch sensor and a stylus. The touch sensor comprises drive lines and sense lines arranged such that intersections of the drive lines and sense lines form capacitive nodes. The drive lines transmits a first signal having an identification portion. The stylus comprises a sense unit and a drive unit. The sense unit senses the first signal from the drive lines, compares the identification portion to criteria stored in the stylus, and authorizes the…
Touch Sensor with Lookup Table
Granted: May 2, 2013
Application Number:
20130106761
In one embodiment, a method includes detecting a touch or proximity input at a first location within a touch-sensitive area of a touch sensor and comparing the first location with an entry in a look-up table associated with the first location. The entry includes a pre-determined location within the touch-sensitive area of the touch sensor for the first location, and the pre-determined location is potentially different from the first location. The method also includes, based on the…
Active Stylus with Tactile Input and Output
Granted: May 2, 2013
Application Number:
20130106741
In one embodiment, a stylus has one or more electrodes and one or more non-transitory computer-readable storage media embodying logic for communicating wirelessly with a device through a touch sensor of the device. The media further embodies logic configured to receive from a tactile element tactile-input signals based on tactile input to the stylus by an entity and process those signals to determine an action. The media further embodies logic configured to provide tactile-output signals…
Active Stylus with Filter Having a Threshold
Granted: May 2, 2013
Application Number:
20130106713
In one embodiment, a method includes receiving at a stylus a receive signal from a device. The stylus includes one or more computer-readable media embodying logic, and the device includes a touch sensor. The receive signal is received at the stylus through the touch sensor of the device and one or more electrodes of the stylus. The method includes determining whether a level of the receive signal substantially meets or exceeds a pre-determined threshold; if the level of the receive…
Data Transfer from Active Stylus
Granted: May 2, 2013
Application Number:
20130106725
In one embodiment, a method includes accessing, by a stylus, data associated with a particular user of the stylus, the data associated with the particular user being stored in a memory of the stylus; and by the stylus, wirelessly transmitting the data to a device in response to the stylus contacting a touch sensor of the device.
Executing Gestures With Active Stylus
Granted: May 2, 2013
Application Number:
20130106724
In one embodiment, a stylus has one or more sensors that detect the movement of the stylus, such as an accelerometer, a gyroscope, or a magnetometer. The stylus wirelessly transmits signals to a device based on the movement of the stylus.
Inductive Charging for Active Stylus
Granted: May 2, 2013
Application Number:
20130106723
In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device. The stylus also includes inductive-charging components in or on the stylus for charging or powering the stylus with electromagnetic radiation from inductive-charging components in or on the device. The inductive-charging components in or on the stylus may also charge…
Active Stylus With Surface-Modification Materials
Granted: May 2, 2013
Application Number:
20130106721
In one embodiment, a stylus has one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus also has an electronic circuit operable to provide an input that changes a property of one or more materials located on the body of the stylus or on the stylus tip.
Active Stylus with High Voltage
Granted: May 2, 2013
Application Number:
20130106720
In one embodiment, a stylus has one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to a device through a touch sensor of the device. At least some of the signals comprise substantially high voltage. The stylus has one or more electrodes in or on a tip of the stylus which transmit the high-voltage signals to the device.
Dynamic Reconfiguration of Electrodes in an Active Stylus
Granted: May 2, 2013
Application Number:
20130106718
In one embodiment, a method includes identifying a change in an operating characteristic of a stylus. The stylus is operable to communicate wirelessly with a device through a touch sensor of the device, and the stylus includes one or more electrodes. The method includes, in response to the change, dynamically configuring an electrode for the operating characteristic of the stylus as changed.
Multi-Electrode Active Stylus Tip
Granted: May 2, 2013
Application Number:
20130106717
In one embodiment, a device includes a stylus tip capable of communicating wirelessly with another device through a touch sensor of the other device. The stylus tip includes one or more surface areas, one or more substrates disposed along one or more of the surface areas of the stylus tip, and a plurality of electrodes disposed on or in the one or more substrates.
Active Stylus with Filter
Granted: May 2, 2013
Application Number:
20130106715
In one embodiment, a method includes receiving at a stylus a receive signal from a device. The stylus includes one or more computer-readable media embodying logic, and the device includes a touch sensor. The receive signal is received at the stylus through the touch sensor of the device and one or more electrodes of the stylus. The method includes filtering the receive signal for processing by the logic and processing, by the logic, the receive signal as filtered.
Power Management System for Active Stylus
Granted: May 2, 2013
Application Number:
20130106714
In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying first logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus has a first power mode in which components of the stylus for receiving signals from or transmitting signals to the device are powered off; a second power mode in which components of the stylus for receiving signals from the device are powered on at…
