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 an image is recorded on a photosensitive material by controlling the emission of light of the LED chips on {HEAD ~ the basis} of {TAIL ~ image data} 
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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 an image is recorded on a photosensitive material by controlling the emission of light of the LED chips on { HEAD ~ the basis } of { TAIL ~ image data }
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