Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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11/00
Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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G01M11/30
Testing of optical devices, constituted by fibre optics or optical waveguides
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G01M11/31
with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
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G01M11/3109
Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
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G01M11/3118
using coded light-pulse sequences
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