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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/73.1
Name: Optics: measuring and testing > For optical fiber or waveguide inspection
Description: Subject matter wherein there is means to examine one or more transparent elongated structures (e.g., rods, fibers, or pipes) which are used to transmit light rays from one point to another within the confines of their outer surface, and involving internal reflections or modal transmission.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6580498 Optical return loss detector for optical transmission systems Jun. 17, 2003
6580499 Chromatic dispersion distribution measurement apparatus and method for the same Jun. 17, 2003
6580500 Chromatic dispersion distribution measurement apparatus and method for the same Jun. 17, 2003
6576430 Detection of ligands by refractive surface methods Jun. 10, 2003
6577385 Optical time-domain reflectometer capable of determining when a test of an optical fiber should be conducted Jun. 10, 2003
6573985 Wavelength dispersion measuring device and a method thereof Jun. 3, 2003
6570649 Optical fiber characteristics measuring device and optical fiber characteristics measuring method May. 27, 2003
6566644 Optical fiber sorter system and method May. 20, 2003
6567167 Compensating polarization mode dispersion in fiber optic transmission system May. 20, 2003
6567575 Method and apparatus for determining loss parameters for optical cross-connects May. 20, 2003
6542228 Optical time domain reflectometry method and apparatus Apr. 1, 2003
6538755 System and method of detecting the interface between mediums with dissimilar indices of refraction Mar. 25, 2003
6534997 Apparatus and a method for locating a fault of a transmission line Mar. 18, 2003
6519026 Optical time-domain reflectometer (OTDR) Feb. 11, 2003
6519027 Polarization mode dispersion measurement Feb. 11, 2003
6519028 Optical characteristic measuring apparatus, the method thereof and recording medium Feb. 11, 2003
6513994 Testing optical fiber splices Feb. 4, 2003
6512610 Device and method for testing of multi-branch optical network Jan. 28, 2003
6509961 Optical cross-switch signal monitoring method and system therefor Jan. 21, 2003
6507012 Method and apparatus for detecting malfunctions in communication systems Jan. 14, 2003
6504604 In situ polarization mode dispersion measurement Jan. 7, 2003
6498642 Endoscope inspection system Dec. 24, 2002
6496267 Scanning microscope Dec. 17, 2002
6493072 System and method for coupling light through a waveguide in a planar optical device Dec. 10, 2002
6493074 Method and apparatus for measuring an optical transfer characteristic Dec. 10, 2002
6480318 Optical amplifier evaluation method and optical amplifier evaluation instrument Nov. 12, 2002
6480635 Identification and location of fiber optic cables Nov. 12, 2002
6476919 Polarization-independent reflectometry and polarization-independent reflectometer Nov. 5, 2002
6472655 Remote amplifier for an optical transmission system and method of evaluating a faulty point Oct. 29, 2002
6469782 Method of detecting distortions and a receiver for distorted optical signals Oct. 22, 2002
6466310 Automatic fiber optic connectorization and inspection system (AFOCIS) Oct. 15, 2002
6466311 Fabricating optical waveguide gratings and/or characterising optical waveguides Oct. 15, 2002
6466366 Microscope with end plate and adapter for viewing multi-fiber connectors Oct. 15, 2002
6462863 System and method for resolving polarization mode dispersion in optical fibers Oct. 8, 2002
6459478 Optical loss measurements Oct. 1, 2002
6459479 Optical detection of a fiber span with high polarization-mode dispersion in a fiber system Oct. 1, 2002
6456369 Multi-core optical fiber inspecting method and apparatus Sep. 24, 2002
6456370 Method of measuring bending loss with an optical time domain reflectometer Sep. 24, 2002
6456634 Circuit and method for recognizing an interruption in a light waveguide link Sep. 24, 2002
6452667 Pressure-isolated bragg grating temperature sensor Sep. 17, 2002
6449033 Apparatus and method for measuring polarization dependent loss Sep. 10, 2002
6445445 Evaluation apparatus for an optical fiber transmission line Sep. 3, 2002
6440748 Process and device for carrying out fluorescence immunoassays Aug. 27, 2002
6441893 Measurement method of resonant nonlinearity in a nonlinear optical fiber using a long period fiber grating pair Aug. 27, 2002
6433864 Apparatus for monitoring optical signal-to-noise ratio of optical signals in WDM optical transmission system Aug. 13, 2002
6433865 Apparatus and method for measuring optical characteristics and recording medium Aug. 13, 2002
6429929 Method and apparatus for measuring phase differences between intensity-modulated optical signals Aug. 6, 2002
6430352 Apparatus and method of testing optical networks using router modules Aug. 6, 2002
6426792 Optical characteristic measuring apparatus, the method thereof and recording medium Jul. 30, 2002
6424409 Methods and apparatus for detecting surface defects of an optical fiber Jul. 23, 2002

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