In the present embodiments, description will be given of a case in which a pulse width modulating device relating to the present invention is applied to a section which controls light emission of LED chips in an image recording device in which {HEAD ~ an image} is recorded on a photosensitive material by controlling {TAIL ~ the emission} of light of the LED chips on the basis of image data 
is recorded by controlling
In the present embodiments , description will be given of a case in which a pulse width modulating device relating to the present invention is applied to a section which controls light emission of LED chips in an image recording device in which { HEAD ~ an image } is recorded on a photosensitive material by controlling { TAIL ~ the emission } of light of the LED chips on the basis of image data
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