Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2006-08-01
2006-08-01
Chapman, John E. (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S159000, C347S019000
Reexamination Certificate
active
07082832
ABSTRACT:
A sheet material identifying device for identifying the kind of sheet material by applying vibration on the sheet material. The identifying device has a vibrator for applying vibration on the sheet material, a vibration sensor for detecting, via the sheet material, vibration applied by the vibrator, a device for changing a vibrating state between the vibrator and the vibration sensor, and an identifying section for identifying the kind of sheet material based on a detection result of the vibration sensor. Also, an image forming apparatus making use of the sheet material identifying device and a method of identifying the kind of sheet material are provided.
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Endo Ayanori
Kaneko Norio
Kawasaki Takehiko
Yabuta Hisato
Canon Kabushiki Kaisha
Chapman John E.
Morgan & Finnegan , LLP
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