| All Patents in class 318/685 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 3,531,615 | Sep. 29, 1970 | F.X. Zammit | Electrical discharge machining with step driven electrode |
| | 3,896,363 | Jul. 22, 1975 | R.N. Magee, R.C. Kinsel | Feedback Circuit for Detecting the Failure of a Stepping Motor to Respond to the Control Circuit |
| | 4,337,428 | Jun. 29, 1982 | N.E. Oltendorf | Deceleration initiation circuit for a stepper motor |
| | 4,380,722 | Apr. 19, 1983 | N.E. Oltendorf | Accommodation circuit for a step motor |
| | 4,469,996 | Sep. 04, 1984 | N.E. Oltendorf | Input control circuit for a step motor |
| | 4,540,928 | Sep. 10, 1985 | M. Marhoefer | Closed loop resonance compensation circuit for stepper motors |
| | 4,651,076 | Mar. 17, 1987 | N.E. Oltendorf, M. Marhoefer | Power maximizing circuit for stepper motors |
