TRANSPORT APPARATUS

A transport apparatus includes a speaker and a mike disposed at respective positions between which a transport path of a medium is interposed, where the speaker and the mike face each other, a drive circuit that outputs a drive signal to the speaker, an amplifier circuit formed by coupling a plurali...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	TAKAMATSU, Seiji
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A transport apparatus includes a speaker and a mike disposed at respective positions between which a transport path of a medium is interposed, where the speaker and the mike face each other, a drive circuit that outputs a drive signal to the speaker, an amplifier circuit formed by coupling a plurality of amplifiers in series, where the amplifier circuit amplifies and outputs an output signal of the mike, a processor to which the output signal of the amplifier circuit is input, an attenuation circuit disposed in a stage preceding a predetermined amplifier, where the attenuation circuit attenuates an input signal and outputs the input signal to the predetermined amplifier, and a switch that switches an attenuation factor by the attenuation circuit.