The use of a reflected code in digital control systems
- 1 December 1954
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the I.R.E. Professional Group on Electronic Computers
- Vol. EC-3 (4) , 1-6
- https://doi.org/10.1109/irepgelc.1954.6499244
Abstract
The reflected (Gray) binary code has previously been used primarily in analog-to-digital conversion applications. However, the reflected binary code has, in addition, characteristics which strongly recommend it as a design factor in the synthesis of digital elements within closed-loop control systems. This paper describes several designs of typical reflected binary switching circuits. These switching circuits are, specifically, a reflected-to-conventional binary translator, reflected binary-to-analog converters, and a reflected binary contactor comparator. All of the circuit designs are logically related to the form of the reflected-to-conventional binary translator. These switching circuits can be used as digital control elements in the described original types of digital positional servomechanisms and digital accumulators.Keywords
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