1
Charles A Rudisill, Daniel J Whittle: Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel. International Business Machines, John J Timar, Edward H Duffield, August 16, 1994: US05339179 (216 worldwide citation)

A transflective liquid crystal display (LCD) uses the reflective and refractive characteristics of an edge-lit flat light pipe as a backlight panel behind the liquid crystal layer. The front and/or back surfaces of the edge-lit backlight panel are textured to enhance reflectivity of ambient light an ...


2
Charles A Rudisill: Backlit keypad assembly. Ericsson, Jenkens & Gilchrist P C, January 27, 1998: US05711588 (47 worldwide citation)

Light-reflecting structures are provided on the lower surface of a cover mounted over the keys of a keypad assembly. The light-reflecting structures reflect light from a vertical-emitting source, such as an LED, to the side surfaces of the individual keys of the keypad assembly. The keypad assembly ...


3
Dale R Flower, Pat Gallarelli, Kevin P Goffinet, Anthony W Miles, Charles A Rudisill, Kevin H Vorhees: Touch sensing display screen apparatus. International Business Machines Corporation, Edward H Dufield, August 6, 1991: US05038142 (46 worldwide citation)

A touch sensing direct input data display device is described. The data display screen is directly and solely supported within a housing by stiff springs having essentially uniaxial freedom of motion. Strain gauge sensors are applied directly to the springs and are connected in a full Wheatstone bri ...


4
Charles A Rudisill, Daniel John Whittle: Modular lighting system and method employing loosely constrained magnetic structures. Apex Technologies, James G Passé, Passé Intellectual Property, February 18, 2014: US08651711 (30 worldwide citation)

A lighting system including modules containing LEDs or other electroluminescent devices and loosely constrained magnetic structures at least partially contained within cavities in the module substrate that are connected to fixtures under magnetic force. The loosely constrained magnetic structures ac ...


5
Charles A Rudisill, Gerard J Hayes, Russell E Winstead: Electrical connection for telephone with hinged cover. Ericsson, Coats & Bennett P L L C, August 7, 2001: US06272324 (23 worldwide citation)

An electrical connector establishes electrical connection between transceiver electronics disposed in a main body of the phone and remote electrical components contained in a movable cover. One or more fixed contacts operatively connected to the transceiver electronics are disposed on the main body ...


6
Charles A Rudisill: Antennas with integrated windings. Ericsson, Myers Bigel Sibley & Sajovec P A, January 25, 2000: US06018326 (15 worldwide citation)

Radiotelephone antennas include rigid antenna elements integral to the antenna substrate or housing. As such, the present invention configures the antenna without requiring a separate flex circuit winding to provide the conductive windings in the antenna. Methods for fabrication of the antenna are a ...


7
Charles A Rudisill: Switchable matching circuits using three dimensional circuit carriers. Ericsson, Myers Bigel Sibley & Sajovec P A, November 16, 1999: US05986607 (10 worldwide citation)

Radiotelephone antenna assemblies including three-dimensional carrier circuits which integrate separate signal and ground paths on an antenna base assembly and which includes a matching circuit thereon. The present invention configures the antenna assembly passage to define a three dimensional circu ...


8
Charles A Rudisill: Antenna rod disconnect mechanisms and associated methods. Ericsson, Myers Bigel Sibley & Sajovec P A, December 21, 1999: US06005523 (5 worldwide citation)

A retractable antenna assembly with a rod disconnect mechanism includes a conductive resilient member positioned intermediate the top load element and the rod. The resilient member translates in a transverse direction corresponding to the extension and retraction of the antenna to disconnect the rod ...


9
Charles A Rudisill, Daniel John Whittle: Tile construction set using plastic magnets. APEX TECHNOLOGIES, Patent Leverage, Daniel J Whittle, May 2, 2017: US09636600

A magnetic tile construction set is disclosed that may be used to construct extended 3-dimensional structures. In one embodiment, plastic magnets are attached to multiple edges of a lightweight core. The magnets have a width and length comparable to the thickness of the core and a length that is an ...


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 ...