Optics: measuring and testing – For light transmission or absorption
Reexamination Certificate
2006-12-26
2006-12-26
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
For light transmission or absorption
Reexamination Certificate
active
07154604
ABSTRACT:
A device is disclosed which detects and evaluates electromagnetic radiation from an area or region. The device includes two measuring chains, and a control and evaluation unit. Each measuring chain has a head forming a boundary surface for the area and is provided with a transmitter and a receiver. In order to test the device, a test signal is emitted via the transmitter of one measuring chain and is reflected on the boundary surface. The reflected portion is received by the receiver of the same measuring chain and is transmitted to the control and evaluation unit. The portion transmitted is received via the boundary surface of the receiver of the opposite measuring chain and is transmitted to the control and evaluation unit. The comparison of the two signals provides statements relating to the contamination of the boundary surfaces, the state of the area and the functioning of the measuring chains.
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Fagus-Grecon Greten GmbH & Co. KG
Merlino Amanda
Synnestvedt & Lechner LLP
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