1
Robert H Dunphy Jr, Robert Walsh, John H Bowers: Disk drive memory. Storage Technology Corporation, Dorr Carson Sloan & Peterson, January 29, 1991: US04989206 (259 worldwide citation)

The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk drives. The plurality of disk drives are switchab ...


2
Robert H Dunphy Jr, Robert Walsh, John H Bowers, George A Rudeseal: Disk drive memory. Storage Technology Corporation, Dorr Carson Sloan & Peterson, December 31, 1991: US05077736 (210 worldwide citation)

The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk drives. The plurality of disk drives are switchab ...


3
Robert H Dunphy Jr, Robert Walsh, John H Bowers: Disk drive memory. Storage Technology Corporation, Dorr Carson Sloan & Peterson, April 3, 1990: US04914656 (184 worldwide citation)

The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk drives. The plurality of disk drives are switchab ...


4
Robert H Dunphy Jr, Robert Walsh, John H Bowers: Disk drive memory. Storage Technology Corporation, Dorr Carson Sloan & Peterson, January 29, 1991: US04989205 (138 worldwide citation)

The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk drives. The plurality of disk drives are switchab ...


5
Eric P Batterman, Donald G Chandler, Robert H Dunphy: Method and apparatus for determining position and orientation. Omniplanar, Allan Jacobson, January 5, 1999: US05856844 (108 worldwide citation)

A method for determining degrees of freedom of an object, and in particular, to a device for determining up to six degrees of freedom of a head mount display and a handle. A first camera is attached to a head mount display and senses an optically modulated target. The first camera's video output sig ...


6
Peter R Bossard, Robert H Dunphy Jr, Michael R Betker: Dynamically balanced ionization blower. Voyager Technologies, Nixon & Vanderhye, July 12, 1988: US04757422 (50 worldwide citation)

A dynamically balanced ion generator is provided which incorporates a detection screen and feedback loop to ensure that the number of positive and negative ions emitted from the generator are substantially equal. The detection screen is located between the ion generating electrodes and the exit port ...


7
Eric P Batterman, Donald G Chandler, Robert H Dunphy: Method and apparatus for determining degrees of freedom of a camera. Omniplanar, Allan Jacobson, November 3, 1998: US05832139 (49 worldwide citation)

A method for determining up to six degrees of freedom of a camera relative to a reference frame comprises sensing an optically modulated target with the camera and processing the camera's video output signal with a digital computer. The target may have a single pattern, multiple patterns, or pattern ...


8
Michael R Betker, Robert H Dunphy: Wide-range resistance monitoring apparatus and method. Voyager Technologies, Nixon & Vanderhye, April 5, 1988: US04736157 (28 worldwide citation)

An inexpensive circuit monitors the resistance between a body (e.g., a static dissipative work surface, a tool, etc.) and ground potential, and compares that resistance with high and low resistance values defining a preset resistance range. An operational amplifier is connected to the body and cause ...


9
Peter R Bossard, Robert H Dunphy: Surface resistivity meter. Voyager Technologies, Marmorek Guttman & Rubenstein, July 19, 1988: US04758777 (9 worldwide citation)

A hand-held, low cost, low voltage surface resistivity meter is provided by a contact surface which is essentially independent of the geometry of the surface to be measured. The use of special materials for the contact surface permits increased accuracy to be achieved at low voltages. Recognition th ...


10
John H Bowers, Robert H Dunphy: Control system for ion projection printing and the like. Armstrong World, M Lukacher, December 8, 1992: US05170188 (5 worldwide citation)

A print engine including a two-dimensional matrix print head is operated by data signals from a raster image processor through a distributed digital controller having a master controller and a plurality of separate controllers each for a separate set of elements along one of the dimensions of the ar ...