Fail transparent LCD display with backup

Details Fail transparent LCD display with backup Fail transparent LCD display with backup

1980-09-02

1983-02-01

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340784, 340365VL, 340712, G09G 336

Patent

active

043718701

ABSTRACT:
A display system is constructed such that upon failure of the primary display which comprises a Liquid Crystal Display (LCD) that becomes transparent upon failure, a backup display located directly beneath the primary display becomes visible to the display user.

REFERENCES:
patent: 3576364 (1971-04-01), Zanoni
patent: 3956745 (1976-05-01), Ellis
patent: 4017848 (1977-04-01), Tannas, Jr.
patent: 4078257 (1978-03-01), Bagley
patent: 4104627 (1978-08-01), Thuler
patent: 4173757 (1979-11-01), Hareng et al.

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