Variable resolution display

Details Variable resolution display Variable resolution display

1975-04-25

1977-03-22

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

235 92EA, 324122, 340166EL, G01D 700

Patent

active

040140113

ABSTRACT:
A display having variable resolution includes a plurality of discrete light emitting elements arranged in an array. Intervals between elements are quantized into a plurality of levels representing information to be displayed. Selected light emitting elements disposed about the levels are energized by a signal having a duty cycle varied in response to displayable information having a magnitude within a particular one of the plurality of levels.

REFERENCES:
patent: 3754121 (1973-08-01), Delay et al.
patent: 3824581 (1974-07-01), Ohno
patent: 3825827 (1974-07-01), Tumbush
patent: 3833933 (1974-09-01), Wilson
patent: 3866120 (1975-02-01), Ford
patent: 3914758 (1975-10-01), Ingle

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