Electric motor control system
United States Patent 2538415
US Patent References:
Electrical apparatus for controlling indicators at a distance
- - 1476538
Transmission system
- - 1768966
Remote control device
- - 2002353
Remote control device
- - 2007577
Electrical follow-up motor control system
- - 2423438
Electrical apparatus for controlling indicators at a distance
- - 1476538
Transmission system
- - 1768966
Remote control device
- - 2002353
Remote control device
- - 2007577
Electrical follow-up motor control system
- - 2423438
Inventors:
Ergen, William K.
Publication Date:
01/16/1951
View Patent Images:
Export Citation:
Assignee:
HONEYWELL REGULATOR CO
Primary Class:
Other Classes:
318/654, 340/870.380, 73/313
International Classes:
G05D3/12; G05D9/12; G05D9/00
Foreign References:
| FR508952A | ||||
| FR25758A |