| Patent Number |
Title Of Patent |
Date Issued |
| 7554531 |
Annular potentiometric touch sensor |
June 30, 2009 |
| The present invention determines angular position using a potentiometric touch sensor. The sensor has an annular pattern of resistive material on a portion of a bottom substrate top surface. Conductive drive lines and fixed potential conductive traces radially traverse the bottom substra |
| 7310089 |
Annular potentiometric touch sensor |
December 18, 2007 |
| The present invention determines angular position using a potentiometric touch sensor. The sensor has an annular pattern of resistive material on a bottom substrate top surface. Conductive drive lines radially traverse the resistive material so as to make electrical connection with the |
| 7213323 |
Method of forming an electronic pressure sensitive transducer on a printed circuit board |
May 8, 2007 |
| The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact area. A flexible substr |
| 7113179 |
Force sensing resistor with calibration element and method of manufacturing same |
September 26, 2006 |
| A force sensing resistor includes two substrates. Conductive traces including first, common, and calibration fingers are on the first substrate and define a contact area. A spacer surrounds the contact area and attaches the substrates together such that a cavity separates the substra |
| 7050045 |
Miniature highly manufacturable mouse pointing device |
May 23, 2006 |
| A pointing device may be directly soldered to a printed circuit board. In one embodiment, a bottom substrate defines a sensing region with a plurality of interdigitated conductive trace regions. Each trace region includes interdigitated common and sense traces. At least one via passes |
| 6909354 |
Electronic pressure sensitive transducer apparatus and method for manufacturing same |
June 21, 2005 |
| The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact area. A flexible substr |
