Finisar Patent Applications

GIGABIT ETHERNET LONGWAVE OPTICAL TRANSCEIVER MODULE HAVING AMPLIFIED BIAS CURRENT

Granted: December 28, 2006
Application Number: 20060291786
An optical transceiver module configured for longwave optical transmission is disclosed. Significantly, the transceiver module utilizes components formerly used only for shortwave optical transmission, thereby reducing new component production and device complexity. In one embodiment, the transceiver module includes a transmitter optical subassembly including a laser capable of producing an optical signal. A consolidated laser driver/post amplifier including a first bias current source…

SYSTEMS AND METHODS FOR GENERATING NETWORK MESSAGES

Granted: November 30, 2006
Application Number: 20060267798
A networking system may include a traffic generator. The traffic generator may include a scripting module configured to create a script. The traffic generator may execute the script to send and/or receive network messages within the networking system, which may help test one or more components of the networking system. The script may include one or more entries. An entry may be configured to instruct the traffic generator to send one or more network messages.

MOLDED LEAD FRAME CONNECTOR WITH ONE OR MORE PASSIVE COMPONENTS

Granted: November 9, 2006
Application Number: 20060249820
Exemplary embodiments of the present invention illustrate lead frame connectors for connecting optical sub-assemblies to printed circuit boards in optical transceiver modules. The lead frame connectors include a conductive lead structure that is encased in a plurality of polymer casings. The polymer casings provide electrical insulation for the conductors in the lead frame as well as mechanical support for the finished component. One or more passive components can mount to the conductors…

SYSTEMS AND METHODS FOR COLLECTING DATA WITH SENSORS

Granted: November 9, 2006
Application Number: 20060250276
Systems and methods for collecting data. A modular sensing system includes a renewable power source with wireless and/or optical communication modules, a processing plane, and a sensing plane. The sensing systems can be deployed in various environments or on active subjects. A device with various components can be used to interact with the sensing system and collect data in real time or at a later time. Sensing systems can be enclosed within a structure or body and then recharged or…

FERRULE CONNECTOR ASSEMBLY

Granted: November 9, 2006
Application Number: 20060251359
A ferrule connector assembly including a housing having a base member and a nose member is disclosed. The base member includes a bore having a first diameter portion that receives the nose member and a second diameter portion. A split sleeve cooperates with the base member and has first and second ends. The split sleeve has an outer diameter that varies based upon forces applied thereto. A fiber stop is disposed within the split sleeve and includes an optical path for light propagating…

CONNECTOR FOR BOX OPTICAL SUBASSEMBLY

Granted: November 9, 2006
Application Number: 20060251361
Discloses is a transceiver module having a box optical subassembly, a printed circuit board, and a connector extending from the box optical subassembly to the printed circuit board. The box optical subassembly includes a laser diode, a laser driver, and at least one pin receiving a driver signal for said laser driver. Optionally, the box optical subassembly includes a thermal electric cooler to cool one or more components within the box optical subassembly. The connector mounts to the at…

MOLDED LEAD FRAME CONNECTOR WITH MECHANICAL ATTACHMENT MEMBERS

Granted: November 9, 2006
Application Number: 20060252313
Exemplary embodiments of the present invention illustrate lead frame connectors for connecting optical sub-assemblies to printed circuit boards in optical transceiver modules. The lead frame connectors include one or more stamped and bent conductors that are encased in a plurality of casings. The casings provide electrical insulation for the conductors in the lead frame connector as well as mechanical support for the finished component. The casing is also configured to extend between a…

Changing transceiver module device addresses using a single host interface

Granted: October 26, 2006
Application Number: 20060239690
A method for changing the host communication interface address for a number of individual optical transceivers sharing a single host communication interface. An optical transceiver host computing system is communicatively coupled to the transceivers using the single host communication interface. The host computing system implements the host interface address change by indicating to a first transceiver that an address change is pending. The host then informs the first transceiver that it…

METHODS FOR TESTING OPTICAL TRANSMITTER COMPONENTS

Granted: October 19, 2006
Application Number: 20060233546
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 and DC components from the optical component that is to be tested. The optical signal is converted to an electrical signal, and the AC and DC components of the electrical…

SENSORS WITH MODULAR ARCHITECTURE

Granted: October 12, 2006
Application Number: 20060228998
A modular sensing system architecture. A sensing system includes multiple planes that are in electrical communication. A power plane provides a power source and a communications module that can be optical and/or electrical in nature. The power source can be upgraded using optical power delivered over an optical fiber. The sensing system can also both transmit/receive data over the optical fiber. A processing plane provides memory and processing power. The processing plane can be…

Host printed circuit board with multiple optical transceivers

Granted: July 6, 2006
Application Number: 20060147215
An optical transceiver host computing system (hereinafter simply referred as the “host”) printed circuit board has multiple optical transceivers directly mounted to it. Each optical transceiver is configured to convert an electrical signal into an optical signal and to transmit the optical signal and to receive an optical signal and convert the received signal into an electrical signal. By directly mounting the optical transceivers to the host printed circuit board, an increased…

Adjustable boot speed in an optical transceiver

Granted: May 4, 2006
Application Number: 20060093363
An operational optical transceiver configured to dynamically adjust the boot speed of the optical transceiver boot process. The optical transceiver includes a persistent memory, a system memory, and a controller configured to load information from the persistent memory to the system memory. The controller initiates the boot process at a slower boot speed and begins to load information from the persistent memory to the system memory. The controller then detects boot speed data in the…

Application-specific microcode for controlling an optical transceiver

Granted: January 5, 2006
Application Number: 20060002710
A method for an optical transceiver (or transmitter or receiver) to change from a first set of functionality to a second set of functionality that is different than the first set of functionality. The optical transceiver has at least one processor and a system memory. The optical transceiver has access to a persistent memory. The persistent memory includes microcode that when loaded into system memory and executed by the processor, causes the optical transceiver to have access to a first…

Filtering digital diagnostics information in an optical transceiver prior to reporting to host

Granted: January 5, 2006
Application Number: 20060002711
An optical transceiver configured to perform filtering of digital diagnostics prior to the filtered results being made accessible to a host computing system (hereinafter referred to simply as a “host”) that is communicatively coupled to the optical transceiver. The optical transceiver includes sensor(s) that measures analog operational parameter signals such as temperature and supply voltage. The analog signals are each converted to a plurality of digital samples by analog to digital…

Calibration of digital diagnostics information in an optical transceiver prior to reporting to host

Granted: January 5, 2006
Application Number: 20060002712
An optical transceiver configured to perform calibration of digital diagnostics prior to providing the calibrated values to a host computing system (hereinafter referred to simply as a “host”) that is communicatively coupled to the optical transceiver. The optical transceiver includes a sensor that measures an analog operational parameter signal such as temperature or supply voltage. Each analog signal is then converted to digital samples by analog to digital converter(s). A…

Byte-configurable memory in an optical transceiver

Granted: October 27, 2005
Application Number: 20050238359
A mechanism that enables an optical transceiver to configure memory on a per-segment basis. The optical transceiver includes a processing entity, system memory and a memory configuration table. The memory configuration table is comprised of configuration entries, each of which defines the configuration setting for a corresponding segment of memory. The processing entity reads the configuration entries for a particular segment of the memory. The processing entity then determines the set…

Multi-level memory access in an optical transceiver

Granted: September 8, 2005
Application Number: 20050196165
A mechanism that enables an optical transceiver to grant access to its memory on a per-segment basis. The optical transceiver includes a processor, system memory and a memory access table. The memory access table is comprised of access entries, each of which defines the access condition for a corresponding segment of memory. The processor reads the access entries for a particular segment of the memory. The processor or other optical transceiver component then determines whether or not to…

Consistency checking over internal information in an optical transceiver

Granted: September 8, 2005
Application Number: 20050196171
A method that enables an optical transceiver to perform consistency checking, such as Cyclic Redundancy Checking (CRC), over internal information stored in the transceiver's memory while the transceiver is in operation. The optical transceiver includes a system memory and a consistency checker component. The consistency checker component determines that consistency checking is to be performed and identifies which portion of the system memory is to be checked. The consistency checker…

Pulsed laser deposition for mass production

Granted: December 16, 2004
Application Number: 20040250769
A unique system and method for laser vapor deposition of a material onto a substrate are disclosed. The system includes a laser source configured to emit a laser beam, a target material positioned in front of the laser source to be struck by the laser beam, and a substrate positioned behind the target material in relation to the laser beam. The laser beam strikes the target material causing a portion thereof to melt. The melting zone propagates through the target material until is…

Integrated memory mapped controller circuit for fiber optics transceiver

Granted: December 2, 2004
Application Number: 20040240886
A controller for controlling a transceiver having a laser transmitter and a photodiode receiver. The controller includes memory for storing information related to the transceiver, and analog to digital conversion circuitry for receiving a plurality of analog signals from the laser transmitter and photodiode receiver, converting the received analog signals into digital values, and storing the digital values in predefined locations within the memory. Comparison logic compares one or more…