Devices for displaying or performing operations in a two-valued system
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United States of America Patent
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Jun 16, 1981
Issued Date -
N/A
app pub date -
May 31, 1979
filing date -
Oct 4, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for displaying or performing operations in a two-valued system comprising a plurality of devices each having at least one symbol, each symbol having iconicity, eusymmetry, and frame consistency so that said symbol is consistent with respect to a selected frame of reference, said symbol further being symmetry positional so that operations in said two-valued system can be displayed or performed by changing the orientation of said symbol symmetrically with respect to said frame. This frame of reference consists of four points in a Cartesian co-ordinate system, preferably defining a basic square. The symbols are preferably letter-shaped symbols which can be assigned a phonetic value.
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