1
Carver A Mead, Ralph Wolf, Timothy P Allen: Paintbrush stylus for capacitive touch sensor pad. Synaptics Incorporated, D Alessandro & Ritchie, January 30, 1996: US05488204 (1164 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 ...


2
Steve Porter Hotelling, Brian Richards Land: Double-sided touch-sensitive panel with shield and drive combined layer. Apple, Morrison & Foerster, April 5, 2011: US07920129 (393 worldwide citation)

A multi-touch capacitive touch sensor panel can be created using a substrate with column and row traces formed on either side of the substrate. To shield the column (sense) traces from the effects of capacitive coupling from a modulated Vcom layer in an adjacent liquid crystal display (LCD) or any s ...


3
Timothy P Allen, Richard R Schediwy, Federico Faggin: Stylus input capacitive touchpad sensor. Synaptics, D Alessandro & Ritchie, August 24, 1999: US05942733 (372 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 ...


4
Stephen J Bisset, Bernard Kasser, Berni Joss, Aleksey Tareyev: Touch sensing method and apparatus. Logitech, Townsend and Townsend and Crew, July 6, 1999: US05920309 (312 worldwide citation)

Method and apparatus for sensing the simultaneous proximity of one or more fingers or other appropriate objects to a capacitive touch sensor. A modulator/demodulator pair drive and sense either a single trace or a pair of traces. In a dual trace embodiment, differentially sensed signals are then pea ...


5
Stephen C Schulz, Anthony F Chernefsky, Bernard Geaghan: Flexible capacitive touch sensor. 3M Innovative Properties Company, Robert J Pechman, November 16, 2004: US06819316 (261 worldwide citation)

A flexible, capacitive touch sensor, and a method of manufacturing a plurality of such touch sensors, are provided. The capacitive touch sensor comprises a thin, flexible, transparent, insulating substrate. A thin, flexible, transparent layer of resistive material is applied to one side of the subst ...


6
Derek V Redmayne: Capacitive touch sensor. Dynapro Systems, Foley & Lardner, July 22, 1997: US05650597 (235 worldwide citation)

The present invention relates to a capacitive touch sensor including a plurality of horizontal sensor bars arranged in a single direction. The touch sensor preferably receives differential sensor signals from the sensor array to reduce proximity effects and noise associated with conventional capacit ...


7
David W Caldwell, Nicholas W Medendorp: Touch sensor panel with hidden graphic mode. Donnelly Corporation, Price Heneveld Cooper DeWitt & Litton, August 24, 1993: US05239152 (216 worldwide citation)

A capacitive touch sensor panel includes a generally planar substrate, a graphic layer behind the substrate defining user readable graphic symbols and a light source behind the graphic layer including individual selectively actuatable light elements behind particular ones of the graphic symbols. A f ...


8
Charles W Eichelberger, Robert J Wojnarowski: Capacitive touch entry apparatus having high degree of personal safety. General Electric Company, Geoffrey H Krauss, James C Davis, Marvin Snyder, September 15, 1981: US04290052 (191 worldwide citation)

A capacitive touch entry structure utilizes an array of at least one capacitive touch sensor fabricated upon a double-sided printed circuit board adhesively mounted upon a surface of a transparent insulative substrate. The substrate has sufficient thickness to safely insulate user personnel, contact ...


9
David W Gillespie, Timothy P Allen, Ralph C Wolf, Shawn P Day: Object position detector with edge motion feature and gesture recognition. Synaptics, Ingrassia Fisher & Lorenz, September 19, 2006: US07109978 (186 worldwide citation)

A method of generating a signal comprising providing a capacitive touch sensor pad including a matrix of X and Y conductors, developing capacitance profiles in one of an X direction and a Y direction from the matrix of X and Y conductors, determining an occurrence of a single gesture through an exam ...


10
Michael S West, Jennifer S Nyland, Mitchell G Burton: Computer input device for use in conjunction with a mouse input device. Tanisys Technology, November 3, 1998: US05831597 (130 worldwide citation)

A computer input device is used in conjunction with a mouse input device. The computer input device of the invention comprises a body having a resilient layer covered by a surface layer textured throughout the entirety of the surface for operation of the mouse. A printed circuit card is incorporated ...