| 7161316 |
Method and apparatus for discrete speed compensated torque step motor control |
Brian L. Beifus, Kamron Mark Wright |
2007-01-09 |
| 7106019 |
Digital communication link |
Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli |
2006-09-12 |
| 6895176 |
Method and apparatus for controlling electronically commutated motor operating characteristics |
Brian L. Beifus, Roger Carlos Becerra, Kamron Mark Wright |
2005-05-17 |
| 6423118 |
Methods and systems for controlling air filtration systems |
Roger Carlos Becerra, Brian L. Beifus |
2002-07-23 |
| 6356044 |
Motor with programming module |
— |
2002-03-12 |
| 5986419 |
Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor |
Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, David M. Erdman, Thomas Merlin Jahns +5 more |
1999-11-16 |
| 5859519 |
Single phase motor drive |
— |
1999-01-12 |
| 5796194 |
Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor |
Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, David M. Erdman, Thomas Merlin Jahns +5 more |
1998-08-18 |
| 5592058 |
Control system and methods for a multiparameter electronically commutated motor |
Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, Rajendra K. Shah |
1997-01-07 |
| 5592059 |
System and methods for driving a blower with a motor |
— |
1997-01-07 |
| 5473229 |
Interface between programmable electronically commutated motor and personal computer and method of operation |
Roger Carlos Becerra, Brian L. Beifus, Kenneth E. Zick |
1995-12-05 |
| 5006744 |
Integrated electronically commutated motor and control circuit assembly |
Peter B. Lytle, Rajendra K. Shah, John E. Wynberry |
1991-04-09 |
| 4952853 |
Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current |
— |
1990-08-28 |
| 4859921 |
Electronic control circuits, electronically commutated motor systems, switching regulator power supplies, and methods |
— |
1989-08-22 |
| 4686436 |
Electronic control circuit, electronically commutated motor system and method for controlling same, laundry apparatus, and methods for operating apparatus for switching high voltage DC and for controlling electrical load powering apparatus |
— |
1987-08-11 |
| 4365171 |
Low loss snubber circuit |
— |
1982-12-21 |
| 4342956 |
Proportional base drive circuit |
— |
1982-08-03 |
| 4316243 |
Power FET inverter drive circuit |
— |
1982-02-16 |
| 4281374 |
Electrical circuit for producing controlled high voltage AC output |
— |
1981-07-28 |
| 4264858 |
Means for regulating resistance current of complex load |
— |
1981-04-28 |
