LIGHTING CONTROL CIRCUIT AND IMAGE FORMING APPARATUS

摘要

A lighting control circuit (1) controls lighting and extinguishing a plurality of light-emitting elements (D11 to D19, D21 to D29, and D31 to D39). The lighting control circuit (1) has: a first scanning circuit (10) that sequentially scans the light-emitting elements by a predetermined first unit number at a time; a second scanning circuit (20) that sequentially scans the light-emitting elements being scanned by the first scanning circuit (10) by a second unit number at a time, which is lower than the first unit number; and a control circuit (30) that controls lighting and extinguishing the individual light-emitting elements being scanned by the first and second scanning circuits (10, 20).

主权项

1. A lighting control circuit for controlling lighting and extinguishing a plurality of light-emitting elements, the lighting control circuit comprising:
a first scanning circuit that sequentially scans the light-emitting elements by a predetermined first unit number at a time; a second scanning circuit that sequentially scans the light-emitting elements being scanned by the first scanning circuit by a second unit number, which is lower than the first unit number; and a control circuit that controls lighting and extinguishing the individual light-emitting elements being scanned by the first and second scanning circuits.