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
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 ...


3
David Hitz, Michael Malcolm, James Lau, Byron Rakitzis: Method for maintaining consistent states of a file system and for creating user-accessible read-only copies of a file system. Network Appliance, D Alessandro & Ritchie, October 6, 1998: US05819292 (796 worldwide citation)

A method is disclosed for maintaining consistent states of a file system. The file system progresses from one self-consistent state to another self-consistent state. The set of self-consistent blocks on disk that is rooted by a root inode is referred to as a consistency point. The root inode is stor ...


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
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 ...


7
Robert J Miller, Stephen Bisset, Timothy P Allen, Gunter Steinbach: Object position and proximity detector. Synaptics, D Alessandro & Ritchie, February 27, 1996: US05495077 (389 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
Timothy P Allen, Richard R Schediwy, Federico Faggin: Stylus input capacitive touchpad sensor. Synaptics, D Alessandro & Ritchie, August 24, 1999: US05942733 (378 worldwide citation)

A capacitive touch pad comprises a substrate material, such as a PC board type laminate material, having a plurality of first parallel conductive traces running in a first (X) direction disposed on a first face thereof, and a plurality of second parallel conductive traces running in a second (Y) dir ...


9
Robert J Miller, Stephen J Bisset: Object position detector. Synaptics, D Alessandro & Ritchie, November 24, 1998: US05841078 (360 worldwide citation)

A proximity sensor system includes a sensor matrix array having a characteristic capacitance between 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 nod ...


10
David Gillespie, Timothy P Allen, Robert J Miller, Federico Faggin: Object position detector with edge motion feature. Synaptics Incorporated, D Alessandro & Ritchie, August 6, 1996: US05543590 (359 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 ...