DATA GENERATOR FOR PULSE GENERATOR

PURPOSE:To generate a pulse with a desired width at all times even when a pulse generator in which a relation between an input data and an output pulse width is fluctuated (or unknown) by comparing the phase of the output pulse of the pulse generator with the phase of a prescribed calibration pulse....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKUTA YOSHIHISA, OKUMURA TAKUSHI, MATSUYAMA SOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING PULSE TECHNIQUE SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PURPOSE:To generate a pulse with a desired width at all times even when a pulse generator in which a relation between an input data and an output pulse width is fluctuated (or unknown) by comparing the phase of the output pulse of the pulse generator with the phase of a prescribed calibration pulse. CONSTITUTION:This generator is provided with a phase comparator 42 comparing the phase of a PWM output Sb with the phase of a calibration pulse Sc. The calibration pulse Sc inputted to the phase comparator 42 is a pulse having a width at a point in a range of the PWM output Sb. A microcomputer 30 is used to correct a correction coefficient data Da converting a print data into a stage number data Di and an offset data Db sequentially to adjust the relation between the print data and the PWM output Sb to be close to a correct and ideal state at all times.