Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044619 | Prevention of concurrent PWM or PSM commutations of power signals driving a voice coil motor (VCM) to reduce S/N ratio degradation of low level signal lines of a R/W head | Giuseppe Maiocchi, Michele Boscolo Berto | 2011-10-25 |
| 7834568 | Method and device for driving a brushless motor with voltage waveform predisposed for a progressive and automatic switching from a three-phase sinusoidal driving to a square wave three-phase driving | Michele Cassiano | 2010-11-16 |
| 7705548 | Enhancement of the efficiency of energy recovery during spindle motor step-up phases for parking the R/W head of a disk storage device upon external supply failure | — | 2010-04-27 |
| 7545612 | Apparatus for powering electric motors | Maurizio Nessi | 2009-06-09 |
| 7542262 | Apparatus for driving an electromagnetic load | — | 2009-06-02 |
| 7215094 | Method for sensing the back electromotive force induced in the winding of a voice coil motor | Giuseppe Maiocchi, Michele Boscolo | 2007-05-08 |
| 7184288 | System for controlling the dissipated power supply of a power stage working in a mixed Linear/PWM mode and driving an electromagnetic load | — | 2007-02-27 |
| 7106546 | System for controlling the speed of a voice coil motor (VCM) in order to provide a low noise ramp loading of a hard disk head | — | 2006-09-12 |
| 6949906 | Driving circuit and method for preventing voltage surges on supply lines while driving a DC motor | Michele Boscolo, Marco Viti | 2005-09-27 |
| 6919763 | Transconductance amplifier for inductive loads and method for driving inductive loads | Michele Boscolo | 2005-07-19 |
| 6841903 | Method for detecting the position of a rotor of a DC motor and related circuit | Michele Boscolo, Massimiliano Brambilla | 2005-01-11 |
| 6804131 | PWM/linear driver for an electromagnetic load | Michele Boscolo | 2004-10-12 |
| 6788490 | Circuit for estimating the speed of an electromagnetic actuator | Luca Schillaci, Maurizio Nessi | 2004-09-07 |
| 6680598 | Circuit for the speed recovery of a direct current motor and method using said circuit | Maurizio Nessi, Luca Schillaci | 2004-01-20 |
| 6594308 | Conversion of a numeric command value in a constant frequency PWM drive signal for an electromagnetic load | Lorenzo Papillo, Francesco Chrappan Soldavini | 2003-07-15 |
| 6549044 | Driving circuit for a voice coil motor and driving method thereof | Massimiliano Brambilla, Maurizio Nessi | 2003-04-15 |
| 6542324 | Digital control of the speed of a motor by a power stage driven in discontinuous mode | Matteo Moioli | 2003-04-01 |
| 6420847 | Device for detection of current or voltage on a PWM driven winding with reduced jitter and related methods | Michele Boscolo, Marco Viti | 2002-07-16 |
| 6385067 | Analog/digital PWM control circuit of a winding | Maurizio Nessi, Marco Palestra | 2002-05-07 |
| 6310912 | System for increasing the definition in converting a digital datum in a PWM signal for driving a full-bridge output stage | Giuseppe Maiocchi | 2001-10-30 |
| 6249099 | Silent phase commutation in a three-phase brushless DC motor | Maurizio Nessi, Pierandrea Savo, Giorgio Sciacca, Luca Schillaci | 2001-06-19 |
| 6150963 | Method and system for compensating for variations in supply voltage applied to pulse width modulation conversion circuits | Michele Boscolo, Marco Vitti | 2000-11-21 |
| 6137253 | Method of PWM driving a brushless motor with digitally stored voltage profiles with reduced losses | Michele Boscolo, Marco Viti | 2000-10-24 |
| 6094022 | Low jitter zero crossing BEMF detector and motor incorporating the same | Luca Schillaci, Maurizio Nessi, Giacomino Bollati | 2000-07-25 |
| 6061258 | Monitoring of current in an inductive load, PWM driven through a bridge stage | Alberto Salina | 2000-05-09 |