1
George E Gerpheide, Michael D Layton: Capacitance-based proximity with interference rejection apparatus and methods. Cirque Corporation, Thorpe North & Western, October 15, 1996: US05565658 (352 worldwide citation)

Apparatus and method for a capacitance-based proximity sensor with interference rejection. A pair of electrode arrays establish a capacitance on a touch detection pad, the capacitance varying with movement of a conductive object near the pad. The capacitance variations are measured synchronously wit ...


2
George E Gerpheide, Arthur Griffin, Anil Sabbavarapu: Apparatus and method for audible feedback from input device. Cirque Corporation, Thorpe North & Western, June 16, 1998: US05767457 (350 worldwide citation)

A method and apparatus for developing an audible feedback in the form of a response signal to a tapping motion, a gesture or a series of taps or gestures on an electronic touch-sensitive computer input device which uses an electronic switch having no mechanical switch component. In particular, the p ...


3
Thomas E Donohue, Paul H Glad, James L O&apos Callaghan: Kiosk touch pad. Cirque Corporation, Trask Britt, July 17, 2001: US06262717 (304 worldwide citation)

A simplified touch pad which detects a “touch” in a specific absolute positioning programmable zone or “enter/select” zone rather than requiring a “tap”. The touch pad also has an audible feedback device built into the touch pad for immediate feedback and a touch sensitive surface comprising a relat ...


4
George E Gerpheide: Apparatus and method for tactile feedback from input device. Cirque Corporation, Morris Bateman O&apos Bryant & Compagni, October 29, 2002: US06473069 (304 worldwide citation)

A method and apparatus for providing tactile feedback to a user moving his/her finger across the touch-sensitive surface of a touchpad or tablet. Different regions of the touch-sensitive surface are differentiated from each other by providing a different human perceptible textural surfaces within th ...


5
George E Gerpheide: Methods and apparatus for data input. Cirque Corporation, Thorpe North & Western, January 19, 1999: US05861875 (223 worldwide citation)

Methods and apparatus for data input. Devices are provided in accordance with this invention which utilize capacitive coupling of an object to the device to sense the object's position. The devices are comprised of a plurality of electrode strips which form virtual electrodes. The virtual electrodes ...


6
George W LaGrange, George E Gerpheide, Richard D Woolley, Tom Donohue, Mike Layton: Computer input stylus method and apparatus. Cirque Corporation, Morriss Bateman O Bryant & Compagni, June 22, 1999: US05914708 (223 worldwide citation)

A system comprising a conductive stylus used in conjunction with a capacitance sensitive touch pad, said system providing at least two different signals to an associated computer system. The stylus is a pen-like device having an actuable switch which when actuated substantially increases the capacit ...


7
James L O Callaghan: Portable computer touch pad attachment. Cirque Corporation, Thorpe North & Western, August 16, 1994: US05339213 (223 worldwide citation)

A device and a method for attaching a touch pad to a portable computer comprises a tray for holding the touch pad securely, a rail guide attachable to the underside of the computer, and a pair of rails, to which the tray is attached, slidably disposed in slots in the rail guide. The tray, and thus t ...


8
Brian Taylor, Michael D Layton, David Taylor: System for disposing a proximity sensitive touchpad behind a mobile phone keypad. Cirque Corporation, Morriss O Bryant compagni, December 19, 2006: US07151528 (222 worldwide citation)

A proximity-based mutually capacitance-sensitive touchpad that is disposed directly beneath a keypad keymat of a mobile telephone, wherein posts associated with each key pass through a mutually capacitance-sensitive sensor electrode grid of the touchpad such that the keypad posts do not interfere wi ...


9
George E Gerpheide, Rick L Johnson, Marty McDonald: Method and apparatus for data input. Cirque Corporation, Morriss Bateman O&apos Bryant Compagni, April 24, 2001: US06222528 (205 worldwide citation)

A method and apparatus for providing accelerated X and Y axis position determination of a probe relative to a touchpad surface by enabling determination of the X and Y axis coordinates independent of each other. The apparatus of the present invention enables simplification of the electronics of the ...


10
George Gerpheide, Brian Taylor, Daniel Lee: Touchpad having increased noise rejection, decreased moisture sensitivity, and improved tracking. Cirque Corporation, Morriss O&apos Bryant Compagni, May 4, 2004: US06730863 (149 worldwide citation)

An improved touchpad and measurement circuitry for enabling input to a computer or other electronic device. The system includes an X electrode, a Y electrode, a common sensing electrode, and a “water” electrode, wherein these four separate electrodes can be implemented in various physical configurat ...