Polymer-based sensor apparatus and method
US7191662B2 · kind B2 · utility
4Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2003 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Dec 15, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A strain sensor (10) includes a flexible substrate (11) having one or more polymer-based resistive elements (12) at least partially conformably disposed thereon. Two or more conductive leads (13, 14) are electrically coupled to the resistive element. Flexure of the resistive element causes a corresponding alteration in a measurable electrical property of the resistive element, such as its characteristic impedance. User interfaces of various kinds can be fabricated with such strain sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.