Optical measuring device

Details Optical measuring device Optical measuring device

2007-07-31

2007-07-31

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

C073S862043

Reexamination Certificate

active

11115393

ABSTRACT:
The invention relates to a measuring device, comprising a housing having two opposing measuring surfaces, to each of which there are assigned a phototransmitter and photoreceiver disposed in the interior of said housing, each measuring surface having an opening which is transparent to light of at least one wavelength and at least one of the two measuring surfaces is in the form of a dynamometer.

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patent: 5204538 (1993-04-01), Genovese
patent: 5209126 (1993-05-01), Grahn
patent: 5553500 (1996-09-01), Grahn et al.
patent: 6005199 (1999-12-01), Harada et al.
patent: RE37065 (2001-02-01), Grahn
patent: 0 682 226 (1995-11-01), None
patent: 0 571 118 (1998-08-01), None
patent: 2 134 267 (1984-08-01), None
patent: 2 146 774 (1985-04-01), None

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