Abstract: A system and method for encryption key generation by receiving a plaintext message having a fixed character length and receiving, from a source, a plurality of random number. A matrix is created from the plurality random numbers and has at least one of the number of rows or columns equal to or greater than the character length. An array that can be used as an encryption key or a seed for an encryption key is generated by selecting an initial element within the matrix, selecting subsequent elements using a selection technique until a number of elements in the array is equal to the character length and rejecting any previously selected elements from the array.

Abstract: A system and method for encryption key generation by receiving a plaintext message having a fixed character length and receiving, from a source, a plurality of random number. A matrix is created from the plurality random numbers and has at least one of the number of rows or columns equal to or greater than the character length. An array that can be used as an encryption key or a seed for an encryption key is generated by selecting an initial element within the matrix, selecting subsequent elements using a selection technique until a number of elements in the array is equal to the character length and rejecting any previously selected elements from the array.

Abstract: A computing device including a capacitive touch screen and a processor configured to receive a capacitive image from the capacitive touch screen, determine that the capacitive image includes an image of a capacitive tag, identify a pattern of capacitive elements of the capacitive tag based on the capacitive image, determine bits of encoded data based on the identified pattern of capacitive elements, and process the encoded data.

Abstract: A computing system includes a capacitive touch-display including a plurality of touch-sensing pixels, a digitizer configured to generate one or more capacitive grid maps, and an operating system. Each capacitive grid map includes a capacitance value for each of the plurality of touch-sensing pixels. The controller may be configured to receive the one or more capacitive grid maps directly from the digitizer, identify one or more touch inputs based on the one or more capacitive grid maps, and determine a dominant hand of a user based on the one or more touch inputs.

Abstract: A computing system includes a capacitive touch-display including a plurality of touch-sensing pixels, a digitizer configured to generate a capacitive grid map including a capacitance value for each of the plurality of touch-sensing pixels, and an operating system configured to receive the capacitive grid map directly from the digitizer.

Abstract: A computing device including a capacitive touch screen and a processor configured to receive a capacitive image from the capacitive touch screen, determine that the capacitive image includes an image of a capacitive tag, identify a pattern of capacitive elements of the capacitive tag based on the capacitive image, determine bits of encoded data based on the identified pattern of capacitive elements, and process the encoded data.

Abstract: Systems, methods, and computer-readable storage media are provided for efficient real-time ink stroke smoothing, trajectory prediction, and GPU-leveraged rendering of ink stroke input. First and second ink points are received and an active Bézier approximation is computed based thereupon. Sequentially later in time that the first and second ink points, a third ink point is received. It is determined whether the third ink point adequately fits the active Bézier approximation. Where it is determined that the third ink point adequately fits, an updated active Bézier approximation is computed that includes the first, second and third ink points. Where it is determined that the third ink point fails to adequately fit, a different new Bézier approximation is computed that includes the third ink point but not the first and second ink points. Leveraging a GPU, a smoothed ink stroke based upon the Bézier approximation(s) is rendered.

Abstract: Systems, methods, and computer-readable storage media are provided for efficient real-time ink stroke smoothing, trajectory prediction, and GPU-leveraged rendering of ink stroke input. First and second ink points are received and an active Bézier approximation is computed based thereupon. Sequentially later in time that the first and second ink points, a third ink point is received. It is determined whether the third ink point adequately fits the active Bézier approximation. Where it is determined that the third ink point adequately fits, an updated active Bézier approximation is computed that includes the first, second and third ink points. Where it is determined that the third ink point fails to adequately fit, a different new Bézier approximation is computed that includes the third ink point but not the first and second ink points. Leveraging a GPU, a smoothed ink stroke based upon the Bézier approximation(s) is rendered.

Abstract: Systems, methods, and computer-readable storage media are provided for efficient real-time ink stroke smoothing, trajectory prediction, and GPU-leveraged rendering of ink stroke input. First and second ink points are received and an active Bézier approximation is computed based thereupon. Sequentially later in time that the first and second ink points, a third ink point is received. It is determined whether the third ink point adequately fits the active Bézier approximation. Where it is determined that the third ink point adequately fits, an updated active Bézier approximation is computed that includes the first, second and third ink points. Where it is determined that the third ink point fails to adequately fit, a different new Bézier approximation is computed that includes the third ink point but not the first and second ink points. Leveraging a GPU, a smoothed ink stroke based upon the Bézier approximation(s) is rendered.

Abstract: Systems, methods, and computer-readable storage media are provided for efficient real-time ink stroke smoothing, trajectory prediction, and GPU-leveraged rendering of ink stroke input. First and second ink points are received and an active Bézier approximation is computed based thereupon. Sequentially later in time that the first and second ink points, a third ink point is received. It is determined whether the third ink point adequately fits the active Bézier approximation. Where it is determined that the third ink point adequately fits, an updated active Bézier approximation is computed that includes the first, second and third ink points. Where it is determined that the third ink point fails to adequately fit, a different new Bézier approximation is computed that includes the third ink point but not the first and second ink points. Leveraging a GPU, a smoothed ink stroke based upon the Bézier approximation(s) is rendered.

Abstract: An analysis device for mass discrimination is disclosed. The analysis device comprises: a sample chamber for holding a gaseous sample; an analysis chamber arranged to receive sample gas from the sample chamber; a mass discriminator arranged to discriminate in the analysis chamber between ion species generated from the sample gas; and a wall separating the sample chamber from the analysis chamber, the wall comprising a rupture zone controllable to rupture and thereby release sample gas from the sample chamber into the analysis chamber. In one embodiment the rupture zone is adapted to rupture on application of an electric current or mechanical force. The wall may be micromachined. A method of mass discrimination is also disclosed.

Abstract: An analysis device for mass discrimination is disclosed. The analysis device comprises: a sample chamber for holding a gaseous sample; an analysis chamber arranged to receive sample gas from the sample chamber; a mass discriminator arranged to discriminate in the analysis chamber between ion species generated from the sample gas; and a wall separating the sample chamber from the analysis chamber, the wall comprising a rupture zone controllable to rupture and thereby release sample gas from the sample chamber into the analysis chamber. In one embodiment the rupture zone is adapted to rupture on application of an electric current or mechanical force. The wall may be micromachined. A method of mass discrimination is also disclosed.