The Quadrature Oscillograph: An Electromechanical Device Having Two Degrees of Freedom

An electromechanical oscillograph galvanometer has been developed which is capable of deflection along two mutually perpendicular sets of coordinate axes. For power and low audio frequencies, the instrument presents all of the possibilities inherent in a deflecting system of two degrees of freedom.

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Bibliographic Details
Published in:Proceedings of the IRE 1935-04, Vol.23 (4), p.380-385
Main Author: Sherman, J.B.
Format: Article
Language:English
Subjects:
Circuits
Cities and towns
Electromechanical devices
Frequency
Hysteresis
Instruments
Mirrors
Optical microscopy
Synchronous motors
Wires
Online Access:Get full text
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Description
Summary:An electromechanical oscillograph galvanometer has been developed which is capable of deflection along two mutually perpendicular sets of coordinate axes. For power and low audio frequencies, the instrument presents all of the possibilities inherent in a deflecting system of two degrees of freedom.
ISSN:0731-5996
0096-8390
2162-6626
DOI:10.1109/JRPROC.1935.227995