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US Patent: 3,040,221
Positioning Control Apparatus
Patentee:
Arthur O. Fitxner (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI

USPTO Classifications:
318/573, 318/594, 318/605, 318/661, 341/112, 409/80

Tool Categories:
metalworking machines : machine tool controls
electrical devices : electronic circuitry and apparatus

Assignees:
Giddings & Lewis Machine Tool Co. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 24, 1958
Granted: Jun. 19, 1962

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
Description:
Claim:

This invention relates in general to control apparatus for positioning systems, and in particular to such systems which utilize synchro, selsyn or resolver type devices for comparing desired position information with actual position information.

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