Inventor
TEOH CHENG YONG
SG20 patents
⚠️ This page may combine multiple inventors who share the name “TEOH CHENG YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARVELL INT LTD
9 patentsUS7848045B1Dec 7, 2010
VCM PWM control architecture for power saving in hard disk drives
MARVELL INT LTD13 citations83
US7531975B1May 12, 2009
Adjustable frequency PWM driver
MARVELL INT LTD8 citations82
US7986483B1Jul 26, 2011
Speed control systems and methods for decreasing power consumption in rotating storage devices
MARVELL INT LTD6 citations73
US7385364B1Jun 10, 2008
System and method for detecting back electromotive force with automatic pole calibration
MARVELL INT LTD8 citations73
US7227321B1Jun 5, 2007
System and method for detecting back electromotive force with automatic pole calibration
MARVELL INT LTD6 citations73
US7098621B1Aug 29, 2006
Motor spindle control system and method
MARVELL INT LTD10 citations73
US7205744B1Apr 17, 2007
Motor spindle control system and method
MARVELL INT LTD0 citations52
US7839103B1Nov 23, 2010
Adjustable frequency PWM driver
MARVELL INT LTD0 citations50
US7453221B1Nov 18, 2008
System for controlling rotation of a disk drive
MARVELL INT LTD0 citations47
KRISHNAMOORTHY RAVISHANKER
3 patentsUS8807956B2Aug 19, 2014
Apparatus and method for controlling speed of a fan via a first control module connected by a cable and/or conductors between a motor and a second control module
KRISHNAMOORTHY RAVISHANKER9 citations83
US8791664B2Jul 29, 2014
Systems and methods for adaptive torque adjustment and motor control
KRISHNAMOORTHY RAVISHANKER3 citations62
US8277198B2Oct 2, 2012
Fan motor control systems
KRISHNAMOORTHY RAVISHANKER1 citations51