Sheet material detecting device

Details Sheet material detecting device Sheet material detecting device

2007-04-17

2007-04-17

Cygan, Michael (Department: 2855)

Measuring and testing

Testing by impact or shock

Reexamination Certificate

active

11000096

ABSTRACT:
A sheet material detecting device for identifying the material of a sheet by utilizing an impact applied to the sheet has an impact applying unit which is supported to be rotatable and shiftable toward the sheet, and applies an impact onto the sheet, an impact receiving unit which is supported to be rotatable and shiftable in a state of being in contact with the sheet onto which the impact has been applied, arranged opposite the impact applying unit with a gap permitting the passage of the sheet in-between, and receives via the sheet the impact applied by the impact applying unit onto the sheet, and a signal output unit which outputs a signal in response to the impact applied onto the sheet.

REFERENCES:
patent: 5335043 (1994-08-01), Kluger et al.
patent: 5934140 (1999-08-01), Jackson et al.
patent: 6097497 (2000-08-01), McGraw
patent: 6886263 (2005-05-01), Chou
patent: 2003/0053089 (2003-03-01), Nojiri et al.
patent: 2003/0053090 (2003-03-01), Nojiri et al.
patent: 1286156 (2003-02-01), None
patent: 1286157 (2003-02-01), None
patent: WO 03/083711 (2003-10-01), None

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