Sensor device for measuring a physical parameter
AssigneeSiemens Aktiengesellschaft
InventorHartwig Ruell
Life of this patent
Estimating the term…
Abstract
A sensor for measuring a physical parameter at a first location which is remote from a second location. The sensor has a plurality of light transmitting fibers each having an input end for receiving light from a source and an output end for emitting the received light to a light detector and a lens for focusing light from the source on one of the input ends of the light transmitting fibers. The lens is displaced to project light to a specific one of the input ends of the fibers in accordance with the value of the physical parameter to be measured.
Claims4
A sensor device for measuring a physical parameter, said device comprising in combination:
- (a) a source of light
- (b) a plurality of light-transmitting fibers each having an input end for receiving light and an output end for emitting the light received at said input end and conducted through said fiber;
- (c) a plurality of light detectors, each respectively associated with one of said output ends of said light-transmitting fibers, for receiving light therefrom and indicating the value of said physical parameter;
- (d) lens means for receiving light from said source and for focusing said light on one of said input ends of said light-transmitting fibers;
- (e) means for displacing said lens means with respect to said input ends of said light-transmitting fibers in dependence upon said physical parameter, said lens means projecting said light to a specific one of said input ends of said fibers in accordance with the value of said physical parameter.
Dependencies are inferred from the claim text.