Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-08-21
2007-08-21
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S005010, C356S005020
Reexamination Certificate
active
11155285
ABSTRACT:
An optical beam separation element for a measuring apparatus includes a reflecting component with a reflecting surface and an aperture for forming an optical channel common to the transmission and the reception directions in the optical beam separation element. The reflecting surface of the reflecting component is positioned at an angle with respect to the optical channel. The aperture extends from the reflecting surface through the optical beam separation element allowing the optical beam to pass through the optical beam separation element to the optical channel in the transmission direction. The reflecting component separates the optical beams of the reception and the transmission directions.
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Carlhoff Christoph
Kirchhoff Stefan
Jessen Derek S.
Nigohosian, Jr. Leon
Ratcliffe Luke
Specialty Minerals ( Michigan) Inc.
Tarcza Thomas H.
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