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Optical Communications > Diagnostic Testing Diagnostic TestingDiagnostic Testing patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.07/19/07 - 20070166032 - Methods and systems for the performance analysis of fiber optic networks In general, the present invention provides novel approaches to signal propagation modeling that utilize the following: 1) geographic segmentation is applied by separating a large fiber optic network into individual non-overlapping segments, defined by optical add/drop placements; 2) impairment segmentation is applied, such that optical noise, self-phase, cross-phase, four-wave mixing, ... 07/05/07 - 20070154212 - Method and apparatus for testing transmission lines normally propagating optical signals Portable apparatus for measuring parameters of optical signals propagating concurrently in opposite directions in an optical transmission path between two elements, at least one of the elements being operative to transmit a first optical signal (S1) only if it continues to receive a second optical signal (S2) from the other ... 07/05/07 - 20070154211 - Apparatus and method for detecting error of transfer system An apparatus for detecting error of a transfer system that is adapted for detecting an error of a transfer system transferring a substrate loaded upon fabricating of a flat panel display device in a real time is disclosed. In the apparatus, an emitter generates a light and radiates the light ... 02/15/07 - 20070036542 - Method for recognizing the integrity of an optical access line, optical system, tree-shaped access network, measuring unit, reflector and optical transmit and receive unit The invention relates to a method for recognizing the integrity of an optical access line, wherein an optical measuring signal is sent from a measuring unit, and wherein the reflected echoes are searched through for an echo that is characteristic for a reflector applied at the end of the access ... 12/28/06 - 20060291857 - Method and apparatus for testing optical network equipment A method of testing optical network equipment involves plugging a tester device into a standard electrical socket on the optical network equipment to be tested. The tester device communicates with the optical network equipment to be tested via the standard electrical socket, appearing to the optical network equipment as though ... 12/28/06 - 20060291856 - Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor Differently designed measuring systems exist of which most contain a central signal processing unit and a number of electrical measuring components, and in which the measured values furnished by the measuring components are optically transmitted over optical wave guides. The aim of the invention is to provide a measuring system ... 10/19/06 - 20060233546 - Methods for testing optical transmitter components Methods for testing optical components, such as laser diodes or light emitting diodes, that are manufactured for use in optical transmitters or transceivers. The testing methods are performed using a true RMS conversion circuit in a test apparatus. The testing methods are performed by receiving an optical signal with AC ... 08/17/06 - 20060182439 - Method of using cable test to modify teaming failover algorithm A method of using cable test to modify teaming failover algorithm is disclosed. In accordance with one embodiment, a method of causing team member failover based on channel characteristics of a channel in an information handling system includes testing the channel of at least one of the team members in ... 08/03/06 - 20060171711 - Method and apparatus for testing optical networks An instrument for measuring bidirectional optical signals propagating in an optical transmission path between elements one of which will not transmit if continuity of the transmission path is not maintained, for example a branch path between a central offices optical line terminal (OLT) and an end-user's optical network terminal (ONT), ... 07/06/06 - 20060147203 - Optical network element with remote access capability An Optical Network Terminal (ONT) for a Passive Optical Network (PON) system comprises a Diagnostic Interface Support Functions (DISF) module and a PON Interface Support Functions (PISF) module connected to the DISF module. The PISF module is configured for receiving a remotely-issued diagnostic request transmitted for reception by the PISF ... 03/23/06 - 20060062574 - Optical network analyzer An optical network analyzer for measuring an optical characteristic of an object to be measured, including: a first multiplexer for multiplexing a first optical signal which has transmitted the object to be measured, and a second optical signal having a frequency different from the first optical signal, and for outputting ... 12/01/05 - 20050265717 - Opto-electronic device testing apparatus and method A testing apparatus and method for obtaining a parameter of an opto-electronic device under test (DUT). The apparatus includes a reference device from which at least one calibration value has been obtained and a storage medium for storing the at least one calibration value. The method includes optically coupling the ... 08/18/05 - 20050180747 - Optical return loss detecting device An optical return loss detecting device is provided for measuring the optical return loss (ORL) of a device under test (DUT). The detecting device comprises a light source, an optical isolator connected to the light source for preventing reflected light by the DUT entering the light source, a first optical ... ### FreshPatents.com Support - Terms & Conditions |