Scott P Isabelle

US Patent:

7129824, Oct 31, 2006

Filed:

Aug 28, 2003

Appl. No.:

10/651133

Inventors:

David B. Cranfill - Sparta NJ, US
Sandra J. Guzman - Berwyn IL, US
Scott K. Isabelle - Waukegan IL, US
Rindala Saliba - West Windsor NJ, US

Assignee:

Motorola Inc. - Schaumburg IL

International Classification:

H04B 3/36

US Classification:

3404071, 340 76, 455567, 434114

Abstract:

A portable electronic device () includes a vibrating transducer having a resilient support and a first mass supported by the first resilient support forming a mechanical resonator, and an electrical circuit coupled to the first vibrating transducer to apply a drive signal. A plurality of tactile vibration transducers () can work in unison to produce strong tactile stimulus ().