| Patent Number |
Title Of Patent |
Date Issued |
| 7308747 |
Method of positioning a platform relative to a fixed frame and a small scale positioning device |
December 18, 2007 |
| A small-scale positioning device employing a platform, a levering mechanism and a floating actuator device. The platform is movably attached to a fixed frame by a lever, a pair of levers, or more. The floating actuator device is coupled between at least one lever and the platform. Wh |
| 7278297 |
Oscillating probe with a virtual probe tip |
October 9, 2007 |
| An oscillating probe of an elongated rod, having a first free end, and a second end that is attached to at least one actuator to apply oscillation cycles to the rod. Oscillation of the elongated rod during at least one complete cycle of oscillation of the actuator causes the free end to |
| 6933717 |
Sensors and probes for mapping electromagnetic fields |
August 23, 2005 |
| Products are disclosed for measuring electromagnetic fields. One embodiment has at least two coplanar magneto-resistive sensors. Each magneto-resistive sensor has a sensitive axis in the plane of the at least two coplanar magneto-resistive sensors. The at least two magneto-resistive |
| 6901677 |
Method and apparatus using a closed loop controlled actuator for surface profilometry |
June 7, 2005 |
| An apparatus for profiling the surface of a workpiece, including a probe adapted to make contact with the surface of a workpiece, a sensor for determining or deriving the force between the probe and the workpiece surface, an actuator that adjusts the position of the probe along an axis, |
| 6707230 |
Closed loop control systems employing relaxor ferroelectric actuators |
March 16, 2004 |
| A closed loop motion control system employing at least one relaxor actuator which controls the position of a moving member having mass by controlling an electric field applied to the relaxor actuator. The actuator comprises a body of relaxor material dimensionally variable under the infl |
| 6504363 |
Sensor for eddy current testing and method of use thereof |
January 7, 2003 |
| A giant magnetoresistive (GMR) based eddy current sensor including a giant magnetoresistive sensor integrated on a silicon chip with a signal conditioning circuit and a circular coil. |
| 4944606 |
Precision motion slideways |
July 31, 1990 |
| A plain bearing slide system has a carriage mounted on a slide by use of bearing pads. Each bearing pad is coated with a layer of polymeric material having a convex surface, and is arranged to ride on a counterface. The combined thickness of the layer and a layer providing the counte |
