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| Number | Title | Issue Date |
| 7235940 | Torque limiting device for an electric motor A rotary speed limiting device for an electric motor has a current detecting device for detecting a motor current of the electric motor, a nominal value setting for adjusting a torque, a control and/or regulating device which limits the motor current to a maximum va... | 06/26/2007 |
| 7123821 | DC motor A DC motor includes a power source, a stator and a rotor. Permanent magnets are mounted to either the stator or the rotor. Electromagnets are mounted to the other of either the stator or the rotor. Each electromagnet includes two coils which are each branched with a... | 10/17/2006 |
| 4783616 | Device for slowing down the rotational speed of the sheet transfer and printing cylinder for single-sheet silk screen printing machines A processor-controlled device for application to the control board of single-sheet fed silk-screen printing machines is described, of the type having a cylinder with sheet delivery and transfer grippers which is pivotally mounted for bidirectional alterna... | 11/08/1988 |
| 4733144 | Electronic digitized proportional-integral controller A digital proportional-integral controller for controlling the speed of a d.c. electric motor in a copying machine and synchronizing it with the speed of another motor in the copying machine. The proportional stage and the integral stage of the controller... | 03/22/1988 |
| 4132933 | Electromechanical chopper for speed control of battery powered devices A chopper for adjustably controlling the average value of the voltage supplied from a D.C. battery source to a motor load for adjustable speed control. The chopper comprises manually-operable spring-biasing means for applying force to close a contact to e... | 01/02/1979 |
