Electronic display apparatus

Details Electronic display apparatus Electronic display apparatus

1976-01-07

1978-02-28

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

58 50R, 58 4A, 283 2, 340378R, D10 3, D10 31, G04C 1702

Patent

active

040770320

ABSTRACT:
Electronic display apparatus simulating a mechanical analog display for the portrayal of two or more measured variables includes an indicator assembly having a substrate supporting a plurality of optically variable elements, combinations of which enable the visual presentation of the measured parameters relative to a fixed scale or to each other. The apparatus is especially well suited for use as the time display of an electronic horological instrument either alone or together with a month and date digital display and/or a day of the week display which includes an array of seven indicators five of which are arranged to form a separately discernable group representing the days Monday, Tuesday, Wednesday, Thursday and Friday. The display apparatus is electronically driven and includes no moving parts.

REFERENCES:
patent: 1617310 (1927-02-01), Sperry
patent: 2857734 (1958-10-01), Weigenant
patent: 3540209 (1970-11-01), Zatsky et al.
patent: 3796037 (1974-03-01), Fujita
patent: 3844105 (1974-10-01), Kashio
patent: 3889458 (1975-06-01), Kashio
patent: 3945190 (1976-03-01), Kimura et al.
patent: 3959963 (1976-06-01), Murrell

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