164890 ⎘
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques using frequency division multiplexing
OPTICAL PATH TESTING DEVICE AND OPTICAL PATH TESTING METHOD
#2POST-PROCESSING METHOD TO EXTEND THE FUNCTIONAL RANGE OF OPTICAL BACKSCATTER REFLECTOMETRY IN EXTREME ENVIRONMENTS
#3REDUNDANT CORE IN MULTICORE OPTICAL FIBER FOR SAFETY
#4POST-PROCESSING METHOD TO EXTEND THE FUNCTIONAL RANGE OF OPTICAL BACKSCATTER REFLECTOMETRY IN EXTREME ENVIRONMENTS
#5Determining structural tomographic properties of a geologic formation
#6Redundant core in multicore optical fiber for safety
#7Determining structural tomographic properties of a geologic formation
#8Determining structural tomographic properties of a geologic formation
#9Redundant core in multicore optical fiber for safety
#10Determining structural tomographic properties of a geologic formation
#11Determining structural tomographic properties of a geologic formation
#12Determining structural tomographic properties of a geologic formation
#13Optical deformation detection sensor and system
#14Optical deformation detection sensor and system having a material disposed on the inner surface of an elongated hollow housing
#15Dispersion correction in optical frequency-domain reflectometry
#16Dispersion correction in optical frequency-domain reflectometry
#17Polarization scrambling in interferometer systems
#18Apparatus for deriving measurement signals from fibre optic distributed sensors
#19Fibre optic distributed sensing
#20Physical quantity measuring apparatus utilizing optical frequency domain reflectometry, and method for simultaneous measurement of temperature and strain using the apparatus