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Inventor: Lehle; Erhard
Address: Muehlheim am Main, DE
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5142280 |
Apparatus for a contact-free transmission of electrical signals |
August 25, 1992 |
| In an apparatus for contact-free transmission of condition responsive electrical signals from a rotating machine part to a stationary machine part a single rotational transformer having a stationary primary winding and a rotating secondary winding is used for (a) transmitting power suppl |
| 4908564 |
Device for speed control of an asynchronous motor |
March 13, 1990 |
| The properties synchronous motors are provided to an asynchronous motor fed with the aid of a digital speed control via a static converter. For this purpose, a signal proportional to an integral of the rotation-speed deviation, and a signal corresponding to the rotation-speed set-point |
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