Pager with display

Details Pager with display Pager with display

1985-07-12

1987-12-15

Brigance, Gerald L.

Communications: electrical

Continuously variable indicating

With meter reading

3403111, 340765, 116263, G09G 318

Patent

active

047136596

ABSTRACT:
A pager with a passive display, for example, a liquid crystal display, also has a sensor for sensing ambient light levels. The display is automatically illuminated when the ambient light level falls below a given threshold and the sensor is then either altered to detect a higher light level or disabled for a given time period so that the illumination does not falsely affect the sensor.

REFERENCES:
patent: 3849979 (1974-11-01), Tanji
patent: 3937004 (1976-02-01), Natori et al.
patent: 4536761 (1985-08-01), Tsunoda et al.
patent: 4644350 (1987-02-01), Ishii

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