Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2011-04-19
2011-04-19
Tarcza, Thomas H (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S004100, C356S005100, C356S005150
Reexamination Certificate
active
07929118
ABSTRACT:
Method for geodetic monitoring of rails provided for conveying devices in that stationed at least in the area of one rail end is a tachymeter with spatial reference, placed on the rail to be checked is a rail measuring vehicle that travels the rail alone for measuring the rail when the rail is not loaded, and that for measuring the rail when loaded is driven at the same speed as the conveying device, the measuring points during the measurement being recorded continuously when the rail is loaded and/or unloaded.
REFERENCES:
patent: 5157840 (1992-10-01), Henttinen
patent: 2002/0166248 (2002-11-01), Carr et al.
patent: 2010/0026551 (2010-02-01), Szwilski et al.
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patent: 10 2006 042 496 (2008-04-01), None
Dennig Dirk
Schmidt-Boellert Andreas
Jordan and Hamburg LLP
Ratcliffe Luke D
Tarcza Thomas H
Thyssenkrupp GFT Gleistechnik GmbH
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