Electronic equipment having a display device

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

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345 87, 364707, G09G 336

Patent

active

055898483

ABSTRACT:
An electronic equipment comprises a keyboard for entering data, a processor for processing the data entered by the keyboard, a display device for displaying processing result of the processor, an illumination lamp for illuminating a display screen, and a control circuit for turning off the illumination a predetermined time after the display of the processing result on the display device.

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patent: 4562478 (1985-12-01), Hirasawa et al.
patent: 4665536 (1987-05-01), Kim
patent: 4834503 (1989-05-01), Tsujimoto et al.

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