1
David H Levy: Input devices and their use. Digit Wireless, Fish & Richardson P C, June 24, 2008: US07391861 (64 worldwide citation)

A keypad in which output keystrokes are determined both from individual switch activation and from the combined activation of adjacent switches. The keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above th ...


2
David H Levy: Input devices and their use. Nuance Communications, Wolf Greenfield & Sacks P C, January 10, 2012: US08094806 (53 worldwide citation)

A touch-sensitive input device has an exposed, continuous surface defining a planar area, and a grid of sense elements coextensive with the area of the exposed surface and responsive to engagement of the exposed surface by an operator to establish a position of said engagement of the exposed surface ...


3
Levy David: Input devices and their use. Digit Wireless, September 6, 2006: EP1699065-A2 (6 worldwide citation)

A keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above the substrate and having an exposed surface defining an array of independent key regions, with combination key regions defined in interstices between ...


4
Levy David: Input devices and their use. Digit Wireless, May 4, 2005: EP1528584-A2 (5 worldwide citation)

Electronic device comprising a keypad having a continuous surface defining both independent key regions (2) and comination key regions (3), a key switch matrix responsive to engagement of independent key regions, a grid of sense elements underlying the surface of the keypad and responsive to motion ...


5
Levy David: Input devices and their use. Digit Wireless, March 12, 2003: EP1290705-A2 (1 worldwide citation)

A keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above the substrate and having an exposed surface defining an array of independent key regions, with combination key regions defined in interstices between ...


6
Joseph Zaloom: Coupling mechanisms for enhancing the functionality of smart phones and tablet computers. JZM TECHNOLOGIES, November 20, 2018: US10135480

Simple coupling mechanisms for attaching electronic styluses to personal information display and input devices and their use as propping instruments to position these devices to various angles and orientations with respect to a base or resting surface.


7
Levy David: Input devices and their use. Digit Wireless, huang qihang mu dejun, February 14, 2007: CN200610125631

An IACK keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above the substrate and having an exposed surface defining an array of independent key regions, with combination key regions defined in interstices b ...


8
Levy David: Input devices and their use. Digit Wireless, huang qihang mu dejun, February 14, 2007: CN200610125632

An IACK keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above the substrate and having an exposed surface defining an array of independent key regions, with combination key regions defined in interstices b ...


9
David H Levy: Input Devices And Their Use. Digit Wireless, Fish & Richardson PC, November 8, 2007: US20070256915-A1

A touch-sensitive input device has an exposed, continuous surface defining a planar area, and a grid of sense elements coextensive with the area of the exposed surface and responsive to engagement of the exposed surface by an operator to establish a position of said engagement of the exposed surface ...


10
David H Levy: Input devices and their use. James W Babineau, Fish & Richardson PC, February 28, 2002: US20020025837-A1

A keypad in which output keystrokes are determined both from individual switch activation and from the combined activation of adjacent switches. The keypad has a substrate carrying an array of sense elements arranged to change state in response to keypad operation, a flexible cover disposed above th ...