| US 7,513,143 B2 | ||
| System for electro-statically indicating movement of tread | ||
| Terje Kvisteroey, Horten (Germany); and Dirk Hammerschmidt, Villach (Germany) | ||
| Assigned to Infineon Technologies AG, Neubiberg (Germany) | ||
| Filed on Sep. 04, 2007, as Appl. No. 11/849,603. | ||
| Prior Publication US 2009/0056433 A1, Mar. 05, 2009 | ||
| Int. Cl. G01M 17/02 (2006.01) | ||
| U.S. Cl. 73—146 | 24 Claims |

| 1. A system, comprising:
a first electrode embedded in tread of a tire and configured for electro-statically indicating movement of the tread, wherein
the first electrode includes an electret material having an electrostatic charge.
|