Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8139948 | Process and system for providing electrical energy to a shielded medical imaging suite A process and system are disclosed for supplying electrical energy to a device located in a room housing an imaging system (such as an MRI system, for example), wherein the room is shielded from external electromagnetic fields. Certain embodiments of the present inv... | 03/20/2012 |
| 7477849 | Multilevel amplitude modulated signaling in fibre channel In a communication system comprising first and second nodes, a multilevel amplitude modulated signaling technique is utilized. The first and second nodes may communicate over a Fibre Channel link or other medium. The first and second nodes comprise respective transm... | 01/13/2009 |
| 7440702 | Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver A multiplexer of a transmission section generates a clock signal by multiplying a reference clock signal of a digital image signal by a predetermined number âKâ. A parallel digital image signal is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 7437080 | Optical transmission system having optimized filter wavelength offsets An optical transmission system having optical transmit and receive filters having passbands adjusted or selected for opposite and equal wavelength offsets from the optical wavelength of a carrier or the channel center wavelength. ... | 10/14/2008 |
| 7424221 | Optical network terminal with illegal transmission detection circuitry An optical network terminal, which includes an optical transmitter, monitors the status of the optical transmitter, such as the output or the power consumption of the optical transmitter, to determine when the optical transmitter is illegally transmitting. When an i... | 09/09/2008 |
| 7409164 | Optical transceiver for compensating for loss due to transmission distance in passive optical network A passive optical network includes an optical line termination for generating multiple downward optical signals and multiple optical network units for receiving the downward optical signals. Each optical network unit includes a receiver for converting a correspondin... | 08/05/2008 |
| 7400829 | Transmission apparatus and path selection method of a transmission apparatus A transmission apparatus that receives an optical signal by selecting any one of a plurality of provided optical signal transmission paths through protection control is configured to include a plurality of optical signal outputting sections that output the optical s... | 07/15/2008 |
| 7379672 | Photonic RF distribution system The present photonic RF generation and distribution system provides a system and method for distributing an RF output signal. The photonic RF distribution system includes two optical sources for generating optical signals. A first optical source (42) is opera... | 05/27/2008 |
| 7376348 | Optical communication system An optical transmission equipment in an optical communication system interconnecting two optical transmission equipment sets by a main transmission line and a backup transmission line. An optical amplifier amplifies and outputs optical signals from one transmission ... | 05/20/2008 |
| 7373091 | Multicasting optical switch fabric and method of detection based on novel heterodyne receiver The inventors propose herein a switch fabric architecture that allows broadcasting and fast channel access in the ns-range. In various embodiments of the present invention, 10 Gb/s receiver modules are based on a novel heterodyne receiver and detection technique, wh... | 05/13/2008 |
| 7340133 | Configurable dispersion compensation trimmer The invention pertains to optical fiber transmission systems, and is particularly relevant to transmission of large volumes of data over long distances at high rates. An improved apparatus achieving precise dispersion compensation in a fiber span is disclosed. In pa... | 03/04/2008 |
| 7340187 | Optical signal monitoring method and apparatus In an optical signal monitoring method in wavelength multiplexing and an optical network, an area corresponding to a characteristic pattern of an eye pattern of an optical signal to be monitored, which characterizes a deterioration, is extracted from a database stor... | 03/04/2008 |
| 7340186 | Discrimination phase margin monitor circuit, transmitting/receiving device and communication system The discrimination phase margin monitor circuit (10) of the present invention comprises a first discrimination circuit (11 and 12) discriminating an input data signal using a clock signal extracted from the input data signal, a second discrimina... | 03/04/2008 |
| 7336906 | Optical signal transmission An optical signal transmission apparatus for transmitting a plurality of data signals comprising a plurality of inputs for receiving a respective one of the data signals and delivering the respective data signal with a controlled phase and at a controlled data rate.... | 02/26/2008 |
| 7324758 | Optical dispersion monitoring apparatus and optical dispersion monitoring method, and optical transmission system using same An optical dispersion monitoring apparatus and an optical dispersion monitoring method are capable of monitoring dispersion accurately with a simple construction in an optical transmission system using the same. To this end, the optical dispersion monitoring apparat... | 01/29/2008 |
| 7324713 | Apparatus for and method of controlling optical interferometer An apparatus and method for controlling an optical interferometer are provided. The method includes setting a thermoelectric cooler (TEC) temperature of the optical interferometer to a room temperature, obtaining an optimal temperature using a difference between two... | 01/29/2008 |
| 7321733 | Split-band optical transmission system and optical transmission method used therein An optical transmission system including an optical transmitting device and an optical receiving device. The optical transmitting device includes a data signal splitting section for splitting data signal information into at least two parts and generating at least tw... | 01/22/2008 |
| 7302190 | Optical communication system including replaceable electro-optic and opto-electric converters In an optical transmitting or receiving apparatus, a plurality of replaceable electro-optic converters or a plurality of replaceable opto-electric converters are provided in correspondence with optical transmission lines. ... | 11/27/2007 |
| 7274881 | Optical line terminal and method that store the identity numbers of a number of optical network terminals that are associated with a single network end point The memory of the optical line terminal (OLT) of a broadband passive optical network (BPON) is increased to store, in addition to an active identity number, such as the serial number, of the current optical network terminal (ONT) connected to a network end point, a ... | 09/25/2007 |
| 7258264 | Methods for manufacturing optical modules using lead frame connectors 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 secon... | 08/21/2007 |
| 7248800 | Optical receiver, optical transmitter and optical transceiver An optical receiver includes a first light receiving element to convert an optical signal to an electric signal and to output the electric signal from one end. A light receiving element row is connected to the other end of the first light receiving element to supply... | 07/24/2007 |
| 7228074 | Infrared repeater system, method, and adjustable brightness emitter therefor An IR emitter for use in an IR repeater system includes an IR light source and a manually adjustable brightness control for adjusting the brightness to a level appropriate for an IR detector of electronic equipment to be controlled. In a preferred aspect, the emitte... | 06/05/2007 |
| 7224858 | Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC) An optical receiver photonic integrated circuit (RxFIC) comprises a semiconductor monolithic chip having an input to receive from an optical transmissior link a combined channel signal originating from an optical transmitter source and comprising a plurality of chan... | 05/29/2007 |
| 7218860 | Optical transceiver module with ambient light circuitry An optical transceiver module which includes circuitry for detecting ambient light conditions in addition to circuitry for processing received optical data. ... | 05/15/2007 |
| 7212742 | Power level management in optical networks In an optical communication network, optical communication nodes exchange information detailing power level variations to support management and administration of optical communications. This exchange of information permits nodes to determine aggregate power level v... | 05/01/2007 |
| 7212589 | Speed negotiation for serial transceivers An arrangement to enable automatic baud rate speed negotiation between transceivers having different operating speed characteristics is implemented. When an event indicative of a possible baud rate mismatch occurs, control signals are generated and used to trigger a... | 05/01/2007 |
| 7209655 | Sharing of power level information to support optical communications In an optical communication network, optical communication nodes exchange information detailing power level variations to support management and administration of optical communications. This exchange of information permits nodes to determine aggregate power level v... | 04/24/2007 |
| 7209664 | Frequency agile transmitter and receiver architecture for DWDM systems A frequency-agile optical transceiver includes a shared local oscillator (LO), a coherent optical receiver and an optical transmitter. The LO operates to generate a respective LO optical signal having a predetermined LO wavelength. The coherent optical receiver is o... | 04/24/2007 |
| 7209656 | Management of optical links using power level information In an optical communication network, optical communication nodes exchange information detailing power level variations to support management and administration of optical communications. This exchange of information permits nodes to determine aggregate power level v... | 04/24/2007 |
| 7203207 | Method for selecting an operating mode based on a detected synchronization pattern A received synchronization pattern is compared against first and second known synchronization patterns. If the received pattern is of the first known pattern, the payload is processed as voice; and if the received pattern is of the second known pattern, the payload ... | 04/10/2007 |
| 7200337 | Optoelectronic transceiver having dual access to onboard diagnostics An optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allow... | 04/03/2007 |
| 7190904 | Wavelength modulation for optical based switching and routing A method and system for modulating an optical signal to encode data therein. The method comprises the steps of directing the optical signal through a filter mechanism having a passband function including a center wavelength, and modulating the center wavelength of t... | 03/13/2007 |
| 7184668 | System and method for protecting eye safety during operation of a fiber optic transceiver A single-chip integrated circuit, sometimes called a controller, controls operation of 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 conver... | 02/27/2007 |
| 7174099 | System for regulating optical output power Systems and methods for regulating optical power are described. A system for regulating optical power includes a laser driver circuit that receives an enable/disable signal and a data modulator input. The enable/disable signal regulates asynchronous mode operation. ... | 02/06/2007 |
| 7154854 | Automatic distribution of RTS and frag thresholds In a wireless network system comprising a wired backbone network, an access point, and one or more associated wireless unit data coupled to the access point by way of a wireless transmission medium, a method of enabling fragmentation of data packet above a fragmenta... | 12/26/2006 |
| 7155078 | Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC) An optical transmitter photonic integrated circuit (TxPIC) comprises a semiconductor monolithic chip with a plurality of optical signal channels where each channel comprises a modulated signal source. The output from the modulated signal sources are coupled to an in... | 12/26/2006 |
| 7151894 | Bit error rate based system and method for optimizing communication system performance A system (50) includes a communication path (170) and transmits data on a network (103, 106). A transmitter (101) transmits data on the network and a receiver (112) receives data from the network. A component (102, 114) in t... | 12/19/2006 |
| 7149430 | Optoelectronic transceiver having dual access to onboard diagnostics The optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allo... | 12/12/2006 |
| 7149424 | Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber A system and method for improving the transmission quality of a WDM optical communications system begins by determining the bit-error rate for an optical channel before forward error correction is performed at a receiver. The pre-corrective bit-error rate is fed bac... | 12/12/2006 |
| 7146107 | Method and apparatus for adjusting filter device A tunable dispersion compensator whose passband center wavelength changes when the amount of dispersion compensation is changed is suitably adjusted. The relationship between temperature for keeping the center wavelength constant and the amount of dispersion compens... | 12/05/2006 |
