Display system

Education and demonstration – Computer logic – operation – or programming instruction

Patent

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Details

434154, 434189, G09B 106, G09B 116, G09B 500, G09B 2302

Patent

active

043325653

ABSTRACT:
A display device comprising a plurality of adjacent hierarchical orders, and at least one hierarchichal display in each order. The number of hierarchichal orders is n. The number of hierarchical displays in each order is 2.sup.n-1. The displays in each order include (n-1) display segments when n>and one display segment when n=1. The hierarchichal displays within each order are arrayed symmetrically about a medial boundary line intersecting the orders. Means for representing selected indicia at each display segment are provided.

REFERENCES:
patent: 1959040 (1934-05-01), Schilling
patent: 3482331 (1969-12-01), Gazale
patent: 3970313 (1976-07-01), Montemayor
patent: 4201386 (1980-05-01), Seale et al.
patent: 4273542 (1981-06-01), Zellweger

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