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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Douma; Darin James
Address:
Monrovia, CA
No. of patents:
19
Patents:












Patent Number Title Of Patent Date Issued
8059973 Discrete bootstrapping in an optical receiver to prevent signal feedback November 15, 2011
An optical receiver assembly that is configured to avoid the introduction of feedback in an electrical signal converted by the assembly is disclosed. In one embodiment, an optical receiver assembly is disclosed, comprising a capacitor, an optical detector provided with a power supply
8059415 Molded communications module having integrated plastic circuit structures November 15, 2011
An embodiment disclosed herein relates to a communications module. The communications module includes a body composed of a plastic resin and a plurality of conductive traces and contact pads defined on a portion of a surface of the body. The module also includes at least one substantiall
8032021 Status link for multi-channel optical communication systems October 4, 2011
A robust and redundant status link is established by a first multi-channel optoelectronic device with a second multi-channel optoelectronic device in a multi-channel communication link. Transmitter bias currents are effectively modulated with a status link modulation signal represent
7789674 Molded card edge connector for attachment with a printed circuit board September 7, 2010
An edge connector suitable for attachment with a printed circuit board. The edge connector comprises a body composed of a plastic resin, the body defining a first end that is configured to operably attach to a portion of a printed circuit board and a second end configured to operably
7757929 Methods for manufacturing optical modules having an optical sub-assembly July 20, 2010
Methods of manufacturing optical transceiver modules using lead frame connectors that connect optical sub-assemblies to printed circuit boards are disclosed. The lead frame connector includes an electrically insulating case having a first part separated from a second part, and a plur
7665908 Integrating optoelectronic components into a molded communications module having integrated plas February 23, 2010
Integrated optical subassemblies (OSA) such as integrated transmit and receive optical subassemblies that may be implemented with an optical transceiver module that includes a molded body. The integrated OSA includes a mounting surface defined on a vertical portion of the molded body
7580638 Optical transceiver module with multipurpose internal serial bus August 25, 2009
The optical-transceiver module includes an optical transmitter and an optical receiver. The optical transceiver module also includes an internal serial bus and a plurality of addressable components electrically coupled to the internal serial bus. Each of the addressable components in
7503112 Methods for manufacturing lead frame connectors for optical transceiver modules March 17, 2009
Methods of manufacturing lead frame connectors for use in connecting optical sub-assemblies to printed circuit boards in optical transceiver modules are disclosed. The lead frame connectors are formed by first stamping a selected configuration of conductors in a conductive ribbon. Ea
7406247 Systems, devices and methods for thermal testing of an optoelectronic module July 29, 2008
Devices, systems and methods for thermal testing of optoelectronic modules are disclosed. The device includes a frame member, a thermoelectric cooler, a plate in thermal contact with the DUT, a heat sink in thermal contact with the frame, and a metallic clip for attaching the thermal
7311530 Dual segment molded lead frame connector for optical transceiver modules December 25, 2007
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 stamped and bent conductive lead structure that is encased in a pluralit
7260303 Systems, devices and methods for thermal testing of an optoelectronic module August 21, 2007
Devices, systems and methods for thermal testing of optoelectronic modules are disclosed. The device includes a frame member, a thermoelectric cooler, a plate in thermal contact with the DUT, a heat sink in thermal contact with the frame, and a metallic clip for attaching the thermal
7258264 Methods for manufacturing optical modules using lead frame connectors August 21, 2007
Methods of manufacturing optical transceiver modules using lead frame connectors that connect optical sub-assemblies to printed circuit boards are disclosed. The lead frame connector includes an electrically insulating case having a first part separated from a second part and a plura
7217914 Method for calibrating an optoelectronic device based on APD breakdown voltage May 15, 2007
Methods and processes are disclosed for calibrating optoelectronic devices, such as optoelectronic transceivers and optoelectronic receivers, based upon an avalanche photodiode breakdown voltage. In general, the method involves adjusting a reverse-bias voltage of the avalanche photod
7181100 Interconnect mechanism for connecting a laser driver to a laser February 20, 2007
A transmission mechanism for transmitting an electrical signal from the output stage of an electro-optic transducer driver to an electro-optic transducer. The transmission mechanism includes the electro-optic transducer, the electro-optic transducer driver and a termination resistor.
7155133 Avalanche photodiode controller circuit for fiber optics transceiver December 26, 2006
A controller for controlling the reverse-bias voltage of an avalanche photodiode in a transceiver or receiver. The controller includes memory for storing information related to the avalanche photodiode, and analog to digital conversion circuitry for receiving an analog signal corresp
6930300 Method and apparatus for monitoring a photo-detector in an optical transceiver August 16, 2005
The method and apparatus for monitoring a photo-detector generates a highly compliant mirror current across a broad range of photo-detector current levels. The apparatus for monitoring includes: a pair of bipolar transistors and a first non-linear isolation element. The pair of trans
6912361 Optical transceiver module with multipurpose internal serial bus June 28, 2005
The optical transceiver module includes an optical transmitter and an optical receiver. The optical transceiver module also includes an internal serial bus and a plurality of addressable components electrically coupled to the internal serial bus. Each of the addressable components includ
6888123 Method and apparatus for monitoring a photo-detector May 3, 2005
An optical signal detector monitoring circuit can include a current divider current mirror (CDCM) and a current multiplier current mirror (CMCM). A mirror leg of the CDCM generates a current corresponding with a part of the CDCM's primary leg current. The CMCM's primary leg couples to th
6852966 Method and apparatus for compensating a photo-detector February 8, 2005
The method and apparatus for compensating a photo-detector allows both regulation and monitoring of the photo-detector to be performed with a common digital controller. The controller accepts input of monitored operational parameters including received signal strength and temperature.










 
 
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