US Patent: 3,258,667 - Phase Shift Decoder for a Servo Control


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US Patent: 3,258,667

Phase Shift Decoder for a Servo Control

Patentees:

James O. McDonough (exact or similar names) - Concord, Middlesex County, MA

John Steranka, Jr. (exact or similar names) - Van Nuys, Los Angeles County, CA

USPTO Classifications:

318/162, 318/603, 318/608, 318/684, 340/870.18, 340/870.24, 340/870.25, 341/111

Tool Categories:

electrical devices : electronic circuitry and apparatus

metalworking machines : metalworking machine mechanisms : nc and cnc 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:	24, 1957
Granted:	Jun. 28, 1966

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:

This application is a continuation-in-part of applicants' pending application, filed 23 June, 1955, and now abandoned.

Claim:

The present invention relates in general to decoders, i.e., apparatus for converting information from digital form into corresponding intelligence of analogue form.