1
Wayne Carl Westerman, John Greer Elias: Multi-touch system and method for emulating modifier keys via fingertip chords. Finger Works, May 27, 2003: US06570557 (970 worldwide citation)

A multi-touch system is disclosed that recognizes simultaneous touchdown of four fingers on, above, or below the home row of keys as a modifier chord and applies modifiers such as Shift, Ctrl, or Alt to subsequent touch activity until none of the chord fingertips remain touching. Touches by the thum ...


2
Wayne Carl Westerman: System and method for recognizing touch typing under limited tactile feedback conditions. Finger Works, January 13, 2004: US06677932 (819 worldwide citation)

A system is disclosed for recognizing typing from typing transducers that provide the typist with only limited tactile feedback of key position. The system includes a typing decoder sensitive to the geometric pattern of a keystroke sequence as well as the distance between individual finger touches a ...


3
Wayne Carl Westerman, John G Elias: System and method for packing multi-touch gestures onto a hand. Wong Cabello Lutsch Rutherford & Brucculeri, April 18, 2006: US07030861 (403 worldwide citation)

A multi-touch system is disclosed that compares finger arrangements at the beginning of multi-touch gestures and discriminates between neutral- and spread-hand performances. Gestures by the neutral- and spread-hand versions of each chord are then mapped to separate, but intuitively related cursor fu ...


4
Wayne Carl Westerman, Myra Mary Haggerty: Detecting and interpreting real-world and security gestures on touch and hover sensitive devices. Apple, Morrison & Foerster, January 25, 2011: US07877707 (177 worldwide citation)

“Real-world” gestures such as hand or finger movements/orientations that are generally recognized to mean certain things (e.g., an “OK” hand signal generally indicates an affirmative response) can be interpreted by a touch or hover sensitive device to more efficiently and accurately effect intended ...


5
John Greer Elias, Wayne Carl Westerman, Myra Mary Haggerty: Multi-touch gesture dictionary. Apple, Morrison & Foerster, November 23, 2010: US07840912 (152 worldwide citation)

A multi-touch gesture dictionary is disclosed herein. The gesture dictionary can include a plurality of entries, each corresponding to a particular chord. The dictionary entries can include a variety of motions associated with the chord and the meanings of gestures formed from the chord and the moti ...


6
Wayne Carl Westerman, John G Elias: System and method for packing multitouch gestures onto a hand. Apple, Morrison & Foerster, April 27, 2010: US07705830 (128 worldwide citation)

A multi-touch system is disclosed that compares finger arrangements at the beginning of multi-touch gestures and discriminates between neutral- and spread-hand performances. Gestures by the neutral- and spread-hand versions of each chord are then mapped to separate, but intuitively related cursor fu ...


7
Wayne Carl Westerman: Periodic sensor panel baseline adjustment. Apple, Morrison & Foerster, September 27, 2011: US08026904 (114 worldwide citation)

A periodic baseline adjustment algorithm is disclosed that can increment or decrement individual baseline sensor output values by one count to provide periodic fine-tuning of the baseline to track temperature drift. A scan of the sensor panel is performed after a dynamic adjustment time interval has ...


8
Wayne Carl Westerman: Multi-touch input discrimination. Apple, Morrison & Foerster, March 6, 2012: US08130203 (109 worldwide citation)

Techniques for identifying and discriminating between different types of contacts to a multi-touch touch-screen device are described. Illustrative contact types include fingertips, thumbs, palms and cheeks. By way of example, thumb contacts may be distinguished from fingertip contacts using a patch ...


9
Wayne Carl Westerman, Henri Lamiraux, Matthew Evan Dreisbach: Swipe gestures for touch screen keyboards. Apple, Morgan Lewis & Bockius, November 15, 2011: US08059101 (108 worldwide citation)

Systems, methods, and devices for interpreting manual swipe gestures as input in connection with touch-sensitive user interfaces that include virtual keyboards are disclosed herein. These allow for a user entering text using the virtual keyboard to perform certain functions using swipes across the k ...


10
Wayne Carl Westerman: Keystroke tactility arrangement on a smooth touch surface. Apple, Morrison & Foerster, July 12, 2011: US07978181 (95 worldwide citation)

Disclosed are four arrangements for providing tactility on a touch surface keyboard. One approach is to provide tactile feedback mechanisms, such as dots, bars, or other shapes on all or many keys. In another embodiment, an articulating frame may be provided that extends when the surface is being us ...