| All Patents in class 318/661 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 3,040,221 | Jun. 19, 1962 | A.O. Fitxner | Positioning Control Apparatus |
| | 3,546,570 | Dec. 08, 1970 | T.B. Bullock | Method for Driving Controlled Currents Through the Stator Windings of a Position Measuring Transformer |
| | 3,766,460 | Oct. 16, 1973 | R.K. Burroughs, T.E. Hentz | Manual Control System for Numerically Controlled Machine |
| | 3,798,430 | Mar. 19, 1974 | T.B. Bullock, J.B. Simon | Reduction of Servo Following Errors in Position and Velocity Control Systems of the Iteratively Computing Type |
| | 3,866,212 | Feb. 11, 1975 | T.B. Bullock, J.B. Simon | Position Control System with Plural Signal Transmission Through Common Inductive Device |
| | RE28,761 | Apr. 06, 1976 | R.K. Burroughs, T.E. Hentz | Manual Control System for Numerically Controlled Machine |
 | 4,358,723 | Nov. 09, 1982 | P.F. Fitts, J.A. Scholl | Method and apparatus for measuring the rotation of a work table |
| | 4,533,859 | Aug. 06, 1985 | R. Johnstone | Motorized Ball Nut |
