Active material based haptic alert system
US7714701B2 · kind B2 · utility
30Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2006 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Jun 4, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W50/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A haptic alert system generally includes an active material based actuator for providing the haptic alert. The active material based actuators refer to the use of several different classes of active materials all of which exhibit a change in at least one attribute such as dimension, shape, and/or flexural modulus when subjected to at least one of many different types of applied activation signals, examples of such signals being thermal, electrical, magnetic, stress, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.