| 4794511 |
Apparatus and method for generating two-phase signals for use with a resolver to digital converter |
— |
1988-12-27 |
| 4763052 |
Method and means for driving a brushless D.C. motor |
Demetris Petritis |
1988-08-09 |
| 4761578 |
Method and means for operating brushless DC motor with reversible DC power |
— |
1988-08-02 |
| 4647861 |
Method and means for producing a D.C. signal proportional to the peak amplitude of an A.C. signal |
Demetris Petritis, John H. Crozier |
1987-03-03 |
| 4642494 |
Means to improve performance of electric motors |
Demetris Petritis |
1987-02-10 |
| 4636662 |
Method and means for increasing the frequency of update of direction information contained in two sine waves in quadrature |
— |
1987-01-13 |
| 4622686 |
Up/down counter interface means |
— |
1986-11-11 |
| 4406958 |
Stepping motors with disc magnet |
Albert Palmero, Robert N. Brigham |
1983-09-27 |
| 4349957 |
Method of making a bobbin wound stepping motor |
— |
1982-09-21 |
| 4260917 |
Interconnection for the windings and lead wires of a motor |
Randal B. Hathway |
1981-04-07 |