Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Integrated charge and voltage mode drive circuit for piezo actuators used in mass data storage devices, or the like

Integrated charge and voltage mode drive circuit for piezo actuators used in mass data storage devices, or the like

US Patent 6617758 · Granted Sep 9, 2003

Estimated economic value: $16,608,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image sensor having a variable aperture and mono-color focal plane array for dua2010
Adjustable compensation of a piezo drive amplifier depending on mode and number 2007
Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods2006
Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods2006
Adjustable compensation of a piezo drive amplifier depending on mode and number 2004
Closed loop charge mode drive for piezo actuators using a DC restore amplifier2004
Inherently stable electrostatic actuator technique which allows for full gap def2004
Digital control loop to solve instability of electrostatic drives beyond &frac132004
Switched control of inductor ringing for a boost switched power supply2004
Conductive member grid array interface for mirror array drive apparatus2004
Method and apparatus for braking a polyphase DC motor2003
Method and circuit for driving a hard disk drive spindle motor1998