IMAGE FORMING DEVICE AND POWER SUPPLY CONTROL METHOD FOR IMAGE FORMING DEVICE

PROBLEM TO BE SOLVED: To prevent a malfunction from occurring when writing data in an IC tag after a power shutdown in an image forming device using the IC tag.SOLUTION: The image forming device comprises: a reader/writer 8 for performing a data reading/writing operation to the IC tag; a capacitor 3...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO MITSUFUMI, YAMANOBE KOJI, MURAISHI NORIO, IGUCHI SUMIHIRO, OKAMURA SHUGO, AOKI TOYOKAZU, SATO KAZUYUKI, KAWAMURA TAKUMI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CINEMATOGRAPHY COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING RECORD CARRIERS HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES MAGNETOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRESENTATION OF DATA PRINTING RECOGNITION OF DATA RECORD CARRIERS SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent a malfunction from occurring when writing data in an IC tag after a power shutdown in an image forming device using the IC tag.SOLUTION: The image forming device comprises: a reader/writer 8 for performing a data reading/writing operation to the IC tag; a capacitor 33 for supplying a power source to the reader/writer 8 when internal power supply Vcc of the image forming device is shutdown; an AD conversion unit 84 for detecting voltage of the internal power supply Vcc of the image forming device; and a switch 34 for controlling electric conduction from the capacitor 33 to electric circuits excluding the reader/writer 8.