1
Henry W Starr III, Norman V Morse: Data input monitor and indicator for managing work pace and rest periods. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, April 19, 1994: US05305238 (68 worldwide citation)

A data input monitor for use with a data input device, such as a computer keyboard, measures the amount of data entered into a computer and establishes intermittent rest periods based on the measured data amount. The data input device includes a display for informing a user when to rest during the r ...


2
Ewald E Seignemartin: Capacitive keyswitch. Key Tronic Corporation, Wells St John & Roberts, June 24, 1980: US04209819 (59 worldwide citation)

A capacitive keyswitch is described having a plunger that is movable along an axis between a released or undepressed position and a depressed position. A flexible capacitance plate is mounted on the plunger for movement therewith in a desired path. Two rigid capacitance plates are mounted with conta ...


3
Robert J Thomas, Michael Piekarski, Gary B Morgan, John Rank, William O Thurman, Donald C Lerch: Document reader. Key Tronic Corporation, Wells St John & Roberts, July 7, 1981: US04277689 (52 worldwide citation)

An optical character reader for conversion of information to a machine readable code from a strip of alpha-numeric characters on the face of a document. It includes an elongated document slot along which the document may be hand guided through a predetermined path. Optical viewing means is provided ...


4
George P English: Computer keyboard with cantilever switch and actuator design. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, January 2, 1996: US05481074 (49 worldwide citation)

A computer keyboard with multiple rows of cantilevered keys which are flexibly attached to first common mounting strips. The keyboard also has multiple rows of cantilevered sub-members flexibly attached to second common mounting strips, with the sub-members being aligned beneath associated keys. The ...


5
Kenny R Spence: Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, June 6, 1995: US05422447 (44 worldwide citation)

An improved alphanumeric keyboard 10 is illustrated for use in lap top or notebook personal computers 12. The keyboard 10 has a plurality of full travel, self leveling keyswitches 14 for actuating printed circuit electrical contacts 22 and 26 when the keyswitch is depressed. The keyboard 10 includes ...


6
Ronald G Stokes, Theodore D Clark: Cursor movement control key and electronic computer keyboard for computers having a video display. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, January 11, 1994: US05278557 (42 worldwide citation)

A cursor movement control key and electronic keyboard for a computer having a video display incorporates a force-sensitive resistor having a junction resistance which varies inversely with pressure applied thereto. The external key cap engages an actuator which bears against the force-sensitive resi ...


7
Robert J Thomas: Optical character scanner. Key Tronic Corporation, Wells St John & Roberts, April 7, 1981: US04260880 (37 worldwide citation)

An optical character reader for conversion of information to a machine readable code from a strip of alpha-numeric characters on the face of a document. It includes an elongated document slot along which the document may be hand guided through a predetermined path. Optical viewing means is provided ...


8
Howard L Tate, Gary L Romeike, Vinai M Tara, James L Vocture: Printed circuit board assembly. Key Tronic Corporation, Wells St John & Roberts, September 27, 1988: US04774634 (33 worldwide citation)

A printed circuit assembly includes surface mounted circuit components held in place on a printed circuit board by a rigid connection. The outwardly extending leads of the circuit component are bonded to conductive areas of the board by an electrically conducting flexible adhesive. The combination o ...


9
George P English, Nathan Batson: Computer keyboard with electrostatic discharge feature. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, August 2, 1994: US05335137 (24 worldwide citation)

A computer keyboard according to a preferred construction has multiple non-conductive keys and at least one conductive key mounted in a keyboard housing. The conductive key includes a molded plastic key body having conductive material embedded therein. Conductive plugs are electrically coupled and m ...


10
Goerge P English, Theodore D Clark: Computer keyboard with improved cantilever switch design. Key Tronic Corporation, Wells St John Roberts Gregory & Matkin, July 12, 1994: US05329079 (17 worldwide citation)

A computer keyboard has multiple rows of cantilevered keys which are flexibly attached to common mounting strips. The rows of cantilevered keys are arranged to partially overlap adjacent rows such that the keys in one row actuate switch contacts aligned beneath mounting strips in the adjacent row. E ...