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Carver A Mead, Ralph Wolf, Timothy P Allen: Paintbrush stylus for capacitive touch sensor pad. Synaptics Incorporated, D Alessandro & Ritchie, January 30, 1996: US05488204 (1202 worldwide citation)

A proximity sensor system includes a touch-sensor pad with a sensor matrix array having a characteristic capacitance on horizontal and vertical conductors connected to sensor pads. The capacitance changes as a function of the proximity of an object or objects to the sensor matrix. The change in capa ...


2
David Gillespie, Timothy P Allen, Ralph Wolf: Object position detector with edge motion feature and gesture recognition. Synaptics Incorporated, D Alessandro & Ritchie, August 6, 1996: US05543591 (583 worldwide citation)

Methods for recognizing gestures made by a conductive object on a touch-sensor pad are disclosed. Tapping, pushing, hopping, and zigzag gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad during the time of a suspected gesture, and sig ...


3
Armand P Neukermans, Peter C Jann, Ralph Wolf, David Wolze, Stanley Stokowski: Particle detection on a patterned or bare wafer surface. Tencor Instruments, Schneck & McHugh, December 31, 1991: US05076692 (92 worldwide citation)

A method and apparatus for predicting the number of contaminant particles in circuit area of a patterned semiconductor wafer having a number of reflective circuit areas. The method includes forming on a wafer in specified areas, a grating test pattern, such as a line grating. The grating patterns ar ...


4
Carp Ralph Wolf: Exhaust pollution control circuit. The Bendix Corporation, June 1, 1971: US3581839 (7 worldwide citation)

The invention relates to a circuit for actuating an output load when an input signal above a predetermined level is present. In a particular embodiment the output load is a coil which actuates a linkage to prevent the accelerator pedal of a vehicle from fully closing when it is released by the drive ...


5
Slavin Michael, Emery Raymen Forrest, Carp Ralph Wolf, Ang Leoncio Tan: Automatic speed control. The Bendix Corporation, April 17, 1973: US3727517 (7 worldwide citation)

An automobile speed control system of the vacuum actuated type having a unitized housing embodying actuator, modulator, electronic components and inductive position feedback means. Electrical connections into the hermetically sealed expansible actuator, and noise caused by feedback potentiometer wea ...


6
Evan R Mapoles, Ralph Wolf: Inspection tool. KLA Tencor Technologies, Luedeka Neely & Graham P C, September 12, 2006: US07106434 (5 worldwide citation)

An integrated inspection system adapted to inspect a substrate. A first inspection station performs a first inspection of the substrate at a first resolution, and identifies defect candidate sites. A controller determines position information associated with each of the identified defect candidate s ...


7
Carp Ralph Wolf, Wright Danny Orlen: Apparatus for controlling the actuation of at least one electromagnetic fuel injector.. Bendix, December 10, 1980: EP0020193-A1 (5 worldwide citation)

The apparatus comprises: a differential driver amplifier (A2) having a first input receiving the control signal through a voltage divider (R1, R2, R3, R7, R8) and a second input receiving a regulation signal and having its output connected to the control terminal of a driver transistor (T2) having i ...


8
Drellishak Glen Joseph, Carp Ralph Wolf, Weber Robert Edwin, Wright Danny Orlen, Weissler Ii Harold Edward: Sequential fuel injection system with overlapping injector actuation.. Bendix, February 25, 1981: EP0024233-A2 (3 worldwide citation)

Multipoint electronic fuel injection system with overlapping sequential injector actuation having a plurality of dual injector driver circuits (22-28) corresponding to an equivalent number of solenoid fuel injector pairs (L1, L5; ...; L4, L8) supplying fuel to an internal combustion engine, the inje ...


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