1
Liam P Corballis, Joseph D Rutledge, Edwin J Selker: Hand held control device. International Business Machines Corporation, Mark A Wurm, Ronald L Drumheller, April 30, 1996: US05512892 (115 worldwide citation)

A hand held control device formed as a rigid body adapted to be gripped and carried by a single hand of a user and comprising a plurality of control elements operable by the thumb or a finger of the user's hand gripping and carrying the body, a pointing stick and a chirality detector for sensing whe ...


2
Robert C Barrett, Robert S Olyha Jr, Joseph D Rutledge: Graphical user interface cursor positioning device having a negative inertia transfer function. International Business Machines Corporation, James C Pintner, October 29, 1996: US05570111 (85 worldwide citation)

A user interface apparatus and method for a computing or processing system employing a graphical user interface is presented. In order to provide a good user feel, and specifically to avoid a feeling of inertia or sluggishness in cursor motion as the user starts or stops movement, the apparatus and ...


3
Arnold Halperin, Joseph D Rutledge, Alejandro Gabriel Schrott, Charles P Tresser, Robert Jacob von Gutfeld, Chai Wah Wu: Hand held telephone set with separable keyboard. International Business Machines Corporation, Stephen C Kaufman Esq, Whitham Curtis & Whitham, September 5, 2000: US06115616 (70 worldwide citation)

A detachable keyboard for a telephone set is provided in the form of a keyboard card clipped to the headset, which is completely detached from the body when unclipped. Wireless communication between the handset body and keyboard is used when the card is unclipped, while contacts are activated in the ...


4
Edwin J Selker, Joseph D Rutledge: Analog input device located in the primary typing area of a keyboard. Lexmark International, Sughrue Mion Zinn Macpeak & Seas, May 28, 1996: US05521596 (49 worldwide citation)

A sensor device is placed either underneath a key cap of a key on a keyboard or in between two keys on a keyboard so that cursor movement may be carried out from the keyboard itself. If the sensor device is placed underneath a key cap, then the key cap is a manual cursor controller. If, on the other ...


5
Matthew F Cali, Jerome J Cuomo, Donald J Mikalsen, Joseph D Rutledge, Edwin J Selker: Force sensitive transducer for use in a computer keyboard. International Business Machines Corporation, Stephen C Kaufman, February 6, 1996: US05489900 (49 worldwide citation)

A strain sensitive columnar transducer for a data entry keyboard contains a column upstanding from the keyboard. Strain sensitive orthogonally oriented patterns are formed on a single flexible planar sheet which is sliced to place each of the patterns on a separate tab. The planar sheet is forced ov ...


6
Joseph D Rutledge, Edwin Joseph Selker: Graphics display pointer with integrated selection. International Business Machines Corporation, Stephen C Kaufman, Whitham Curtis & Whitham, June 15, 1999: US05912659 (36 worldwide citation)

A threshold discrimination filter circuit compares signals output by a graphic input device such as an isometric joystick including strain gauges and a fixed resistance in a hierarchical voltage divider with threshold reference signals and corrects the output of the graphic input device based on pre ...


7
Joseph D Rutledge, Edwin J Selker: Controller for improved computer pointing devices. IBM Corporation, Sughrue Mion Zinn Macpeak & Seas PLLC, June 9, 1998: US05764219 (33 worldwide citation)

Input force applied on a pointing device (51) having outputs (x,y) is related to the velocity of a cursor on a video screen according to a transfer function (FIG. 2) substantially described by a parabolic sigmoid function, thus resulting in adapting the force/velocity relationship to accommodate hum ...


8
Joseph D Rutledge, Edwin J Selker: Pointing device for retrofitting onto the keyboard of an existing computer system. International Business Machines Corporation, Heslin & Rothenberg P C, November 26, 1996: US05579033 (32 worldwide citation)

A pre-connected pointing device assembly retrofitable onto the keyboard of an existing computer system includes an analog input unit and a digital input unit physically and electrically interconnected to a data processing unit by flexible bands. The units and flexible bands are adhesively secured to ...


9
Edwin J Selker, Jason M Jacobs, Robert J Kelley, Joseph D Rutledge: Multiple-toroid induction device. International Business Machines Corporation, Wayne F Reinke, Heslin & Rothenberg, July 23, 1996: US05539369 (7 worldwide citation)

An induction device has an elongated core made of two or more uniform ferromagnetic spaced-apart toroids. A first winding around the core creates an inductor. When the induction device includes a second winding, a transformer is created. The transformer acts as a powercord transformer when the expos ...


10
Charles A Rudisill, Joseph D Rutledge, Edwin J Selker: Assembly suitable for life testing a multi-dimensional force transducer. International Business Machines Corporation, Stephen C Kaufman, Ronald L Drumheller, August 13, 1996: US05544530

A test assembly suitable for life testing a computer pointing stick includes a rigid shaft that is rotated by a motor and a mounting mechanism for holding and positioning the pointing stick under test in a coaxial relationship with the rigid shaft. A cantilever spring arm is rigidly connected at one ...