Liquid-crystal indicator control system

Details Liquid-crystal indicator control system Liquid-crystal indicator control system

1988-08-01

1989-08-15

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

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

340438, 340449, 340525, B60Q 100

Patent

active

048578894

ABSTRACT:
A liquid-crystal indicator control system for displaying at least two different informations alternatively at predetermined times that includes a temperature detector for detecting the ambient temperature relative to the liquid-crystal indicator. The ambient temperature is compared to a predetermined value and a signal is output when the temperature is less than the predetermined value. Display time is changed from a given predetermined time responsive to the signal indicative of ambient temperature being less than the predetermined value.

REFERENCES:
patent: 3723964 (1973-03-01), Lace
patent: 4770543 (1988-09-01), Burghoff et al.
patent: 4787039 (1988-11-01), Murata

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