Abstract: A portable electronic device (100) comprises an attached device (190,195), a vibrator (175), and a processor (105) coupled between the attached device (190, 195) and the vibrator (175). The processor (105) is adapted to detect the attached device (190, 195), determine an identification for the attached device (190,195), associate a drive voltage with the identification, and drive the vibrator (175) using the drive voltage.
Type:
Grant
Filed:
July 30, 2004
Date of Patent:
August 8, 2006
Assignee:
Motorola, Inc.
Inventors:
Peter S. Opela, Thomas J. Rollins, Yun Yee Wong