Sensors, algorithms and applications for a high dimensional touchpad

SH Simon, AD Graham - US Patent 8,604,364, 2013 - Google Patents
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Heterogeneous tactile sensing via multiple sensor types

LF Ludwig, V Zaliva - US Patent 9,823,781, 2017 - Google Patents
This invention relates to sensor arrangements and signal processing architectures for touch-
based user interfaces comprising multiple sensor types and other arrangements so as to …

Multitouch parameter and gesture user interface employing an LED-array tactile sensor that can also operate as a display

LF Ludwig, SE Lim - US Patent 9,019,237, 2015 - Google Patents
(57) ABSTRACT A user interface employs a tactile sensor comprising an LED array, the user
interface producing a rich flux of indepen dently-adjustable interactive control parameters …

Curve-fitting approach to high definition touch pad (HDTP) parameter extraction

V Zavila - US Patent 10,146,427, 2018 - Google Patents
Abstract Systems and methods for implementing a touch user interface using at least one at
least one edge detection algorithm to produce edge data that is in turn provided to at least …

Advanced touch control of interactive map viewing via finger angle using a high dimensional touchpad (HDTP) touch user interface

SE Lim - US Patent 8,542,209, 2013 - Google Patents
(57) ABSTRACT High Dimensional Touchpad (HDTP) or other user interface technology
implemented in touchscreens used on computers, Smartphones, or other mobile devices …

Advanced touch control of interactive immersive imaging applications via finger angle using a high dimensional touchpad (HDTP) touch user interface

SE Lim - US Patent 8,477,111, 2013 - Google Patents
US8477111B2 - Advanced touch control of interactive immersive imaging applications via
finger angle using a high dimensional touchpad (HDTP) touch user interface - Google …

Gesteme (gesture primitive) recognition for advanced touch user interfaces

LF Ludwig, V Zaliva - US Patent 10,430,066, 2019 - Google Patents
This invention relates to signal space architectures for generalized gesture capture.
Embodiments of the invention includes a gesture-primitive approach involving families of …

Sensor array touchscreen recognizing finger flick gesture from spatial pressure distribution profiles

LF Ludwig - US Patent 8,743,076, 2014 - Google Patents
Touch screen user interfaces con? gured to detect a touch gesture for controlling software
applications, computers, devices, machinery, and process environments. Such user …

Sensor array touchscreen recognizing finger flick gesture and other touch gestures

LF Ludwig - US Patent 8,717,303, 2014 - Google Patents
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Value-driven visualization primitives for tabular data of spreadsheets

LF Ludwig - US Patent 9,665,554, 2017 - Google Patents
(57) ABSTRACT A method comprising obtaining a plurality of values from tabular data,
computing a plurality of visual parameters, responsive to an associated data value, each …