Pager with automatically illuminated display

Details Pager with automatically illuminated display Pager with automatically illuminated display

H - Electricity

04

B

325/93

H04B 1/16 (2006.01) G08B 3/10 (2006.01) G08B 5/22 (2006.01)

Patent

CA 1232026

"Pager With Automatically Illuminated Display" ABSTRACT A pager comprising a light sensor which is responsive to light externally illuminating the pager to generate a first signal when the sensed light is below a predetermined luminance value. The first signal is supplied to a coincidence gate which provides a coincidence output when it detects the coincidence of the first signal with a second signal that is generated when there is a message on a display. The coincidence output feeds a light source to illuminate the display to make it visible under poor lighting conditions.

463961

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