Patent · US Active

Vibration actuator with a unidirectional drive

US8378965B2 · kind B2 · utility

99Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 2007
Grant dateFeb 19, 2013
Priority date
Expiry dateAug 31, 2030

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB06B1/0238
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A haptic feedback generation system includes a linear resonant actuator and a drive circuit. The drive circuit is adapted to output a unidirectional signal that is applied to the linear resonant actuator. In response, the linear resonant actuator generates haptic vibrations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.