Inventor
CRANFILL DAVID B
US8 patents
⚠️ This page may combine multiple inventors who share the name “CRANFILL DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
6 patentsUS7667371B2Feb 23, 2010
Electronic device and circuit for providing tactile feedback
MOTOROLA INC72 citations94
US7421088B2Sep 2, 2008
Multifunction transducer
MOTOROLA INC36 citations91
US7054450B2May 30, 2006
Method and system for ensuring audio safety
MOTOROLA INC25 citations90
US7242784B2Jul 10, 2007
Dynamic gain control of audio in a communication device
MOTOROLA INC40 citations86
US7683918B2Mar 23, 2010
User interface and method therefor
MOTOROLA INC18 citations79
US7129824B2Oct 31, 2006
Tactile transducers and method of operating
MOTOROLA INC17 citations76