SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND IMAGE FORMING APPARATUS

A signal processing device that generates an output signal from image data by using a clock corresponding to the pixels of the image data, the signal processing device includes: a delayed signal group generating unit that generates a group of delayed signals with a delay element group formed with st...

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Bibliographische Detailangaben
1. Verfasser:	AZUMAI MITSUO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CINEMATOGRAPHY CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MAGNETOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRINTING PULSE TECHNIQUE SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A signal processing device that generates an output signal from image data by using a clock corresponding to the pixels of the image data, the signal processing device includes: a delayed signal group generating unit that generates a group of delayed signals with a delay element group formed with stages of delay elements; a clock adjusting unit that generates a modulation/synchronization clock from the group of delayed signals by referring to phase data matching the clock with a predetermined phase and frequency modulation coefficient data converting the clock to a predetermined frequency; and a PWM processing unit that generates a PWM signal from the group of delayed signals by referring to the phase data, the frequency modulation coefficient data, the modulation/synchronization clock, and the image data, the PWM signal having a pulse width corresponding to the value of the image data.