Patent application number | Description | Published |
20080298804 | TUNING SELECT FIBER OPTIC CHANNELS FOR CHANNEL MONITORING - A tunable element of a tuning module is receptive to optical data channels of a multiplexed optical data signal, each optical data channel having a different respective wavelength. The tunable element is responsive to different stimuli such that multiple passbands of the tunable element are defined, each passband corresponding to a respective stimulus and including no more than one wavelength of the optical data channels. An optical detector communicates with the tunable element and is receptive to no more than one optical data channel from the tunable element at any given time, an output of the optical detector is an electrical data signal that corresponds to the optical data channel received by the optical detector from the tunable element. A controller communicates with the tunable element and tunes the tunable element from one optical data channel to the other by causing application of a corresponding stimulus to the tunable element. | 12-04-2008 |
20090097527 | Temperature Measurement Apparatus for Optoelectronic Transceiver - The case temperature measurement device for an optoelectronic transceiver includes a case with at least one thermally conductive wall, at least one optical component at least partially disposed within the case, circuitry electrically coupled to the optical component. The circuitry includes a temperature sensor coupled to the circuitry. The case temperature measurement device also includes at least one protrusion formed on the wall of the case of the optoelectronic transceiver. The protrusion is thermally coupled to temperature sensor via a thermal pad. A method for estimating case temperature of the optoelectronic transceiver based on an internal temperature measurement and knowledge of the relationship between the measured internal temperature and the actual case temperature, and compensating for the effects of variable heat sources within the transceiver upon this estimate. | 04-16-2009 |
20090122493 | OPTOELECTRONIC SUBASSEMBLY WITH INTEGRAL THERMOELECTRIC COOLER DRIVER - Optical subassemblies including optical transmit and receive subassemblies. The optical subassemblies comprise a housing; a substrate mounted within the housing; a thermoelectric cooler (TEC) thermally coupled to the substrate, the TEC being mounted within the housing; an optical component structurally mounted on the substrate, wherein the optical component is thermally coupled to the TEC; and a TEC driver electrically coupled to the TEC, wherein the TEC driver is configured to electrically drive the TEC, the TEC driver being mounted within the housing. | 05-14-2009 |
20090190310 | HEAT MANAGEMENT IN AN ELECTRONIC MODULE - In one example, an electronic module includes a printed circuit board and a housing at least partially enclosing the printed circuit board. The printed circuit board includes a heat-generating component. The housing includes a first case and a second case attached to the first case. The first and second cases cooperatively define a sealed cavity containing a fluid. The second case includes a thermal contact structure positioned proximate to the heat-generating component. | 07-30-2009 |
20090265142 | FAULT ANALYSIS AND MONITORING APPLICATIONS USING OUT-OF-BAND BASED MODULES - One example embodiment includes a testing device. The testing device comprises a signal reception element, an out-of-band detector and testing logic. The signal reception element is configured to receive a physical layer signal from a communication module via a physical link and to produce an incoming double modulated signal, the incoming double modulated signal including a high-speed data signal and an out-of-band data signal. The out-of-band data signal comprises diagnostic data of the communication module. The out-of-band detector is coupled to the signal reception element and is configured to extract the out-of-band data signal from the incoming double modulated signal. The testing logic is coupled to the out-of-band detector and is configured to extract and analyze the diagnostic data from the out-of-band data signal. | 10-22-2009 |
20100011134 | LOADING AND EXECUTING FIRMWARE MODULE WITHOUT RESETTING OPERATION - A host communicates a firmware module to an electronic device utilizing a data communication interface (e.g., I | 01-14-2010 |
20100027991 | OPTICAL TRANSCEIVER WITH LED LINK INFORMATION INDICATOR - Exemplary embodiments of the invention relate to an analyzer device configured to interface with an optical transceiver module having a diagnostic communications port, wherein the port is configured to access diagnostic and other data contained within the transceiver controller via a backdoor interface. Controller data, including operational parameter values and module setup values, is accessible while the transceiver operates in conjunction with an external host and may be retrieved, and sometimes modified, in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. The analyzer device accesses the data via the diagnostic communications port on the outside of the transceiver module. | 02-04-2010 |
20100028014 | FIBEROPTIC TRANSCEIVER MODULE WITH INTEGRAL STATUS INDICATORS - Exemplary embodiments of the invention relate to an optical transceiver module having a status indicator assembly, wherein the status indicator assembly is configured to visually display the operational status of the transceiver transmitter and receiver components. The operational status is accessible while the transceiver operates in conjunction with an external host and may be ascertained in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. | 02-04-2010 |
20100028015 | BACKDOOR DIAGNOSTIC COMMUNICATION TO TRANSCEIVER MODULE - Exemplary embodiments of the invention relate to an optical transceiver module having a diagnostic communications link, wherein the link is configured to access diagnostic and other data contained within the transceiver controller via a backdoor interface. Controller data, including operational parameter values and module setup values, is accessible while the transceiver operates in conjunction with an external host and may be retrieved, and sometimes modified, in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. The data is accessed with an external user device via a backdoor interface on the outside of the transceiver module. | 02-04-2010 |
20100046943 | SIMULATION OF OPTICAL CHARACTERISTICS OF AN OPTICAL FIBER - An optical communication apparatus that includes multiple optically communicative components positioned optically in series. Some of the optically communicative components may be optical fiber segments of perhaps different types. The optical channel represented by the series of optically communicative components and approximates a transfer function of an optical channel of a longer optical fiber. Accordingly, rather than deal with a lengthy optical fiber, an apparatus having a shorter optical channel may be used instead. The construction of the optical communicative components may be calculating an input transfer function. The construction would include an ordering of discrete optically communicative components that, when placed optically in series, simulates an estimation of a particular transfer function. Testing may then occur by actually passing an optical signal through the series construction of optically communicative components, rather than through the longer optical fiber. | 02-25-2010 |
20100054733 | ACCESSING TRANCEIVER LINK INFORMATION FROM HOST INTERFACE - Embodiments of the present invention include systems and methods for accessing the digital diagnostic data and controller data of a remote transceiver module via the diagnostic port of a local transceiver. The invention involves modulating high-speed data and out-of-band data as a double modulated signal, wherein the out-of-band data includes the remote transceiver controller and digital diagnostic data, which is subsequently accessible by an external user device from the diagnostic port of the local transceiver. | 03-04-2010 |
20100054734 | FIBER OPTIC TRANSCEIVER MODULE WITH OPTICAL DIAGNOSTIC DATA OUTPUT - Exemplary embodiments of the invention relates to an optical transceiver module having a diagnostic assembly, wherein the diagnostic assembly is configured to visually display the operational status of the transceiver transmitter and receiver components while optically transmitting diagnostic information. The transceiver operational status is accessible while the transceiver operates in conjunction with an external host and may be ascertained in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. | 03-04-2010 |
20100054749 | COMBINATION NETWORK FIBER CONNECTOR AND LIGHT PIPE - Exemplary embodiments of the invention relate to an optical transceiver in which the base portion is made of a light permeable material and configured to emit light representative of the status of certain transceiver parameters. The transceiver includes a housing which at least partially encloses the base portion. The base portion connects to a printed circuit board on which a light-emitting diode is mounted. Light from the light-emitting diode is conducted to front portion of the base, which is light permeable, through a light-pipe assembly, thereby illuminating the entire front portion of the base. Because the front portion of the base is not enclosed within the housing the light emitted is clearly visible from a distance even when fiber connectors are plugged into the transceiver receptacles. | 03-04-2010 |
20100095110 | OUT OF BAND ENCRYPTION - Embodiments of the invention relate to systems and methods for securing data transmission in networks. Embodiments of the invention further relate to encryption methods that dynamically adjust during the course of data transmission. Further, the encryption methods can adapt dynamically without user intervention. In one embodiment, an encryption scheme can be established, controlled, and monitored via out-of-band communication between transceiver modules. | 04-15-2010 |
20100124418 | TRANSMISSION OF EYE INFORMATION FROM OPTO-ELECTRONIC MODULES - A method of controlling communication between transceivers includes transmitting payload data from a transmitter of a first transceiver in a data channel of a physical link to a receiver of a second transceiver, the second transceiver further including an equalizer, varying equalizer settings in the equalizer, analyzing effects of varying equalizer settings to determine transmitter diagnostic settings for the first transceiver, and transmitting the transmitter diagnostic settings from a transmitter of the second transceiver in an out-of-band channel of a physical link to a receiver of the first transceiver a second transceiver in a data channel. | 05-20-2010 |
20110062312 | OPTOELECTRONIC SUBASSEMBLY WITH INTEGRAL THERMOELECTRIC COOLER DRIVER - Optical subassemblies including optical transmit and receive subassemblies. The optical subassemblies comprise a housing, and first and second substrates mounted within the housing. Also disposed within the housing is a thermoelectric cooler (TEC) thermally coupled to the first substrate. An optical transmitter is mounted on the first substrate, and thermally coupled to the TEC. A TEC driver is mounted on the second substrate and electrically coupled to the TEC. In some embodiments a thermal resistance mechanism is provided for connecting the first substrate to the second substrate. | 03-17-2011 |
20120134387 | Communications Device with Integrated Case Temperature Measurement - A communications device with integrated case temperature measurement includes a case having at least one thermally conductive wall and a circuit board at least partially disposed within the case. At least one electronic component is mounted on the circuit board and a temperature sensor is mounted on the circuit board. At least one thermally conductive protrusion extends from the wall and is thermally coupled to the temperature sensor. | 05-31-2012 |
20120134680 | INTER-TRANSCEIVER MODULE COMMUNICATION FOR FIRMWARE UPGRADE - An operational optical transceiver configured to update operational firmware using an optical link of the transceiver. The optical transceiver includes at least one processor and a system memory capable of receiving firmware. The optical transceiver receives an optical signal over the optical link containing the update firmware. The optical transceiver then recovers the firmware from the optical signal. Finally, the optical transceiver provides to the system memory the recovered firmware, which when executed by the at least one processor alters the operation of the transceiver. | 05-31-2012 |
20120243866 | FAULT ANALYSIS AND MONITORING APPLICATIONS USING OUT-OF-BAND BASED MODULES - One example embodiment includes a testing device. The testing device comprises a signal reception element, an out-of-band detector and testing logic. The signal reception element is configured to receive a physical layer signal from a communication module via a physical link and to produce an incoming double modulated signal, the incoming double modulated signal including a high-speed data signal and an out-of-band data signal. The out-of-band data signal comprises diagnostic data of the communication module. The out-of-band detector is coupled to the signal reception element and is configured to extract the out-of-band data signal from the incoming double modulated signal. The testing logic is coupled to the out-of-band detector and is configured to extract and analyze the diagnostic data from the out-of-band data signal. | 09-27-2012 |
20130308936 | Method of Monitoring an Optoelectronic Transceiver with Multiple Flag Values for a Respective Operating Condition - An optoelectronic transceiver includes an optoelectronic transmitter, an optoelectronic receiver, memory, and an interface. The memory is configured to store digital values representative of operating conditions of the optoelectronic transceiver. The interface is configured to receive from a host a request for data associated with a particular memory address, and respond to the host with a specific digital value of the digital values. The specific digital value is associated with the particular memory address received from the host. The optoelectronic transceiver may further include comparison logic configured to compare the digital values with limit values to generate flag values, wherein the flag values are stored as digital values in the memory. | 11-21-2013 |
20130315584 | BACKDOOR DIAGNOSTIC COMMUNICATION TO TRANSCEIVER MODULE - Exemplary embodiments of the invention relate to an optical transceiver module having a diagnostic communications link, wherein the link is configured to access diagnostic and other data contained within the transceiver controller via a backdoor interface. Controller data, including operational parameter values and module setup values, is accessible while the transceiver operates in conjunction with an external host and may be retrieved, and sometimes modified, in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. The data is accessed with an external user device via a backdoor interface on the outside of the transceiver module. | 11-28-2013 |
20140035755 | COMMUNICATION DEVICES - Communication devices are disclosed. In an example embodiment, a communication device may include a communication module including an illumination source and a body element. The body element may be configured to allow illumination generated by the illumination source to propagate within and illuminate at least a portion of an outer surface of the body element. | 02-06-2014 |