Printed material detection apparatus for detecting management information, image forming apparatus, printed material detection system and recording material for the same

A printed material detection apparatus includes: a detector configured to transmit radio waves whose frequency of 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves.

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Bibliographische Detailangaben
Hauptverfasser:	Zengo, Takeshi, Fujita, Mamoru, Mihara, Akira
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A printed material detection apparatus includes: a detector configured to transmit radio waves whose frequency of 1 GHz or more and 5 THz or less toward a printed material and to detect reflection or absorption of the radio waves.