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US Patent: 3,918,045
Variable Resolution Control System
Patentees:
Alfred Harold Morser (exact or similar names) - Letchworth, Hertfordshire County, England
Roy Gibson (exact or similar names) - Biggleswade, Bedfordshire County, England
Stephen Anthony Scott (exact or similar names) - Houghton Conquest, Bedfordshire County, England
Clifford Michael Bailey (exact or similar names) - Eaton Ford, Cambridgeshire County, England
Ian Keith Taylor (exact or similar names) - Biggleswade, Bedfordshire County, England

USPTO Classifications:
318/660, 341/117, 700/56

Tool Categories:
metalworking machines : machine tool controls

Assignees:
Cincinnati Milacron, Inc. - Cincinnati, Hamilton County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 23, 1973
Granted: Nov. 04, 1975

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cincinnati Milacron, Inc.
Description:
Abstract:

A digital to analog converter is disclosed which produces analog signals having a phase relationship therebetween which is a function of digital input signals. The digital to analog converter is typically used in control systems for commanding or measuring the motion of a movable element. The converter contains variable modulo counters which permit a scaling of the signals during the conversion process. Consequently, input signals having different resolutions may be programmed in a control system; and the converter will produce command signals for moving the element in accordance with the input signals. Similarly, in a measuring system, the converter may be used to obtain a readout of the motion of the element according to any desired resolution.

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