System for analyzing reflected waves and reflected wave scanner

Details System for analyzing reflected waves and reflected wave scanner System for analyzing reflected waves and reflected wave scanner

G - Physics

08

B

G08B 13/22 (2006.01) G01V 15/00 (2006.01) G03G 15/08 (2006.01)

Patent

CA 2302885

A method of detecting whether a part or an exchanged expendable supply mounted on the machine is a genuine part. A reflected wave scanner 11 is installed near a cartridge chamber of a copier 31, and an LC resonance tag 1 is attached to a genuine toner cartridge 32 to indicate that it is a genuine part. When the genuine toner cartridge 32 is mounted on the copier 31, the reflected wave scanner 11 analyzes the waves reflected by the LC resonance tag 1 to judge that it is a genuine part, whereby a message such as "YOU CAN MAKE COPIES" is displayed on a display unit and the copier 31 enters into a standby state. When a non-genuine toner cartridge is mounted, the waves reflected by the LC resonance tag are not detected, whereby it is so judged that the toner cartridge is a non-genuine part, and a message such as "PLEASE REPLACE THE TONER CARTRIDGE" is displayed on the display unit of the copier 31.

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