An image forming apparatus capable of changing the diameter of a dot in the main and subscanning directions to form various kinds of dots and thereby high resolution images with tones. A data converting circuit separates input image data into pulse width modulation data and power modulation data and...http://www.google.fr/patents/US5144337?utm_source=gb-gplus-shareBrevet US5144337 - Image forming apparatus capable of forming an image by dots having various diameters
Image forming apparatus capable of forming an image by dots having various ...
