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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7248008 | Shaded-pole A.C. motor with dynamic brake Am improved shaded pole A.C. motor with dynamic brake that includes a secondary high resistance winding that is selectively connected to a D.C. source when the A.C. voltage is removed. To stop a motor the A.C. voltage applied to the motor is removed with tandem swit... | 07/24/2007 |
| 6948577 | Electric vehicle An electric vehicle driven by at least one electric motor is provided. The vehicle includes a controller for controlling the electric motor and at least one braking device. The controller gradually reduces the rotational speed of the electric motor in accordance wit... | 09/27/2005 |
| 6127791 | Electric drive system and method An integrated transmission is effectively achieved within a series-excited motor by varying the number of winding turns in the field coil in relation to the speed-torque demand on the motor. At low motor speed, all of the field winding is engaged to produ... | 10/03/2000 |
| 5994860 | Series wound motor with electrical brake In a series-wound motor with electric brake, which comprises an armature provided with an armature winding and at least two exciter coils mounted on pole shoes as well as switchgear which, in the operative phase of the motor, serially connect the exciter ... | 11/30/1999 |
| 5446352 | Series or compound motor control circuit having dual series windings An improved driving circuit of a series or compound motor includes at least two series excitation field windings, one end of each of the series excitation windings being jointly connected, with the same polarity, to the armature, and at least one set of t... | 08/29/1995 |
| 5332954 | Optimal DC motor/controller configuration Optimal constructions for two motor/controller configurations are disclosed. The controller structure includes an H-bridge for controlling field current using synchronous-rectification of MOSFET devices, and a circuit for chopping the armature current usi... | 07/26/1994 |
| 4598242 | Mask feed method and apparatus for exposure replicate systems A mask feed method and apparatus for deeding and setting with a high degree of positional accuracy a circuit pattern printing mask in a proximity exposure replicate system for printing integrated circuit patterns on a semiconductor wafer. Arranged on the ... | 07/01/1986 |
