1
David W Gillespie, Timothy P Allen, Ralph C Wolf, Shawn P Day: Object position detector with edge motion feature and gesture recognition. Synaptics Incorporated, D Alessandro & Ritchie, March 9, 1999: US05880411 (1286 worldwide citation)

Methods for recognizing gestures made by a conductive object on a touch-sensor pad and for cursor motion are disclosed. Tapping, drags, pushes, extended drags and variable drags gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad durin ...


2
Joel Seely, Robert Leonard Malak, Timothy Peter Allen, Richard Robert Schediwy, William Andrew Cesarotti: Two-layer capacitive touchpad and method of making same. Synaptics, Malcolm B Wittenberg, February 13, 2001: US06188391 (1260 worldwide citation)

By suitable use of screen-printed carbon ink patterning, combined with patterning of the solder-mask layer on the top (finger) surface, a compact capacitive touchpad pointing device has been realized using only a two-layer board as a substrate. The first layer, on the topside of the printed circuit ...


3
Carver A Mead, Ralph Wolf, Timothy P Allen: Paintbrush stylus for capacitive touch sensor pad. Synaptics Incorporated, D Alessandro & Ritchie, January 30, 1996: US05488204 (1202 worldwide citation)

A proximity sensor system includes a touch-sensor pad with a sensor matrix array having a characteristic capacitance on horizontal and vertical conductors connected to sensor pads. The capacitance changes as a function of the proximity of an object or objects to the sensor matrix. The change in capa ...


4
Stephen Bisset, Robert J Miller, Timothy P Allen, Gunter Steinbach: Touch pad driven handheld computing device. Synaptics Incorporated, D Alessandro & Ritchie, August 6, 1996: US05543588 (660 worldwide citation)

A handheld computing device comprises a thin enclosure having two opposing major faces. A display screen is disposed on a first one of the major opposing faces of the enclosure and a touch-sensitive object position detector input device is disposed on a second one of the major opposing faces of the ...


5
David Gillespie, Timothy P Allen, Ralph Wolf: Object position detector with edge motion feature and gesture recognition. Synaptics Incorporated, D Alessandro & Ritchie, August 6, 1996: US05543591 (583 worldwide citation)

Methods for recognizing gestures made by a conductive object on a touch-sensor pad are disclosed. Tapping, pushing, hopping, and zigzag gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad during the time of a suspected gesture, and sig ...


6
Robert J Miller, Stephen Bisset, Timothy P Allen, Gunter Steinbach: Object position detector. Synaptics, D Alessandro Frazzinni & Ritchie, December 20, 1994: US05374787 (472 worldwide citation)

A proximity sensor system includes a sensor matrix array having a characteristic capacitance on horizontal and vertical conductors connected to sensor pads. The capacitance changes as a function of the proximity of an object or objects to the sensor matrix. The change in capacitance of each node in ...


7
David Gillespie, Timothy P Allen, Aaron T Ferrucci: Pressure sensitive scrollbar feature. Synaptics Incorporated, D Alessandro & Ritchie, March 30, 1999: US05889236 (464 worldwide citation)

A proximity sensor system includes a sensor matrix array having a characteristic capacitance on horizontal and vertical conductors connected to sensor pads. The capacitance changes as a function of the proximity of an object or objects to the sensor matrix. The change in capacitance of each node in ...


8
David W Gillespie, Timothy P Allen, Ralph C Wolf, Shawn P Day: Object position detector with edge motion feature and gesture recognition. Synaptics Incorporated, Sierra Patent Group, July 2, 2002: US06414671 (458 worldwide citation)

Methods for recognizing gestures made by a conductive object on a touch-sensor pad and for cursor motion are disclosed. Tapping, drags, pushes, extended drags and variable drags gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad durin ...


9
David W Gillespie, Timothy P Allen, Ralph C Wolf, Shawn P Day: Object position detector with edge motion feature and gesture recognition. Synaptics Incorporated, Sierra Patent Group, April 30, 2002: US06380931 (406 worldwide citation)

Methods for recognizing gestures made by a conductive object on a touch-sensor pad are disclosed. Tapping, pushing, hopping, and zigzag gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad during the time of a suspected gesture, and sig ...


10
Andrew C Hsu, Shawn P Day, Richard Schediwy, David Gillespie: Flexible transparent touch sensing system for electronic devices. Synaptics Incorporated, Ingrassia Fisher & Lorenz PC, April 18, 2006: US07030860 (396 worldwide citation)

A transparent, capacitive sensing system particularly well suited for input to electronic devices is described. The sensing system can be used to emulate physical buttons or slider switches that are either displayed on an active display device or printed on an underlying surface. The capacitive sens ...