Magnetic Stylus
First Claim
Patent Images
1. A device comprising:
- one or more magnetometers disposed about the device; and
an input module coupled to the one or more magnetometers and configured to;
generate data from the one or more magnetometers regarding a magnetic field generated by a magnetic field source within a stylus; and
determine a position of the stylus relative to the reflective display containing the magnetic field source relative to the device based at least in part upon the data.
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Accused Products
Abstract
A stylus comprising a magnetic field source when combined with a touch sensor provides for several input modes for an electronic device. Magnetometers in the electronic device may detect the presence, location, orientation, and angle of the magnet and thus the stylus. Presence of the magnetic field in conjunction with touches on the force sensitive touch sensor provides additional comparisons to distinguish whether a touch is from a human hand, a particular portion of a stylus, or other object.
344 Citations
56 Claims
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1. A device comprising:
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one or more magnetometers disposed about the device; and an input module coupled to the one or more magnetometers and configured to; generate data from the one or more magnetometers regarding a magnetic field generated by a magnetic field source within a stylus; and determine a position of the stylus relative to the reflective display containing the magnetic field source relative to the device based at least in part upon the data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device comprising:
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a processor; a stylus receptacle configured to retain a stylus comprising a magnet effective to create a magnetic field; and a magnetic sensor coupled to the processor and configured to detect when the stylus is in the stylus receptacle based at least in part on the magnetic field of the magnet of the stylus. - View Dependent Claims (16, 17)
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18. A stylus comprising:
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a body having a first end and a second end distal to the first end; a magnet disposed within or attached to the body; a stylus tip disposed at the first end; a stylus end disposed at the second end; and a tactile element disposed between and coupled to the stylus tip, the stylus end, or both. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26)
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27. A device comprising:
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a processor; a memory coupled to the processor; a display configured to display content to a user; one or more magnetometers disposed about the device and configured to detect a magnetic field generated by at least a portion of a stylus; an input module stored in the memory and coupled to the one or more magnetometers and configured to receive data from the one or more magnetometers regarding the magnetic field generated by at least a portion of the stylus; and an output module coupled to the processor and the display and configured to modify content presented on the display to the user at least partly in response to the data. - View Dependent Claims (28, 29, 30, 31, 32)
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33. One or more computer-readable storage media storing instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising:
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detecting, at one or more magnetometers residing on a device, a magnetic field generated by a magnetic field source associated with a stylus; generating data about the magnetic field source from the one or more magnetometers; determining one or more characteristics about the stylus from the data; and modifying output on the device based at least in part on the one or more characteristics. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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42. One or more computer-readable storage media storing instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising:
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receiving an input from a magnetic stylus on a touch-sensitive display at one or more points; receiving an input from a non-stylus on the touch-sensitive display at or proximate to the one or more points; and when the input from the non-stylus is received within a pre-determined period of time, applying a pre-determined visual effect to the one or more points corresponding to the non-stylus input. - View Dependent Claims (43, 44)
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45. One or more computer-readable storage media storing instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising:
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determining an angle of a magnetic stylus relative to a touch sensor, the magnetic stylus being held by a user; determining a magnitude of force applied by the user to the touch sensor via the magnetic stylus; determining additional touch points of one or both hands of the user on the touch sensor; determining a grip of the user on the magnetic stylus based at least in part upon the angle, the magnitude, and the additional points. - View Dependent Claims (46)
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47. One or more computer-readable storage media storing instructions that, when executed by one or more processors, cause the one or more processors to perform acts comprising:
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determining an angle of a magnetic stylus relative to a touch sensor during use by a user; determining a magnitude of force applied by the user to the touch sensor via the magnetic stylus during use by the user; and calibrating input by the user to a baseline based at least in part on the angle and the magnitude.
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48. A device comprising:
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a touch sensor; one or more processors; memory, accessible by the one or more processors; and an input module, stored in the memory and configured to; determine a position of a stylus at the touch sensor; estimate a position of a user palm based at least in part on the determined position of the at the touch sensor stylus; and disregard touches on the touch sensor at the estimated position. - View Dependent Claims (49, 50, 51)
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52. A device comprising:
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a touch sensor; one or more magnetometers; one or more processors; memory, accessible by the one or more processors; and an input module, stored in the memory and configured to; detect a touch at a location on the touch sensor; interrogate the one or more magnetometers to determine;
(i) when a magnetic field above a pre-determined threshold is present, and (ii) a polarity of the magnetic field above the pre-determined threshold;at least partly in response to determining that no magnetic field above the pre-determined threshold is present, categorize the touch as a first touch type; at least partly in response to determining that a magnetic field above the pre-determined threshold is present and is associated with a first polarity, categorize the touch as second touch type; and at least partly in response to determining that a magnetic field is above the pre-determined threshold is present and is associated with a second polarity, categorize the touch as a third touch type. - View Dependent Claims (53, 54, 55, 56)
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Specification