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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8175465 | Bias control apparatus and method for optical modulator Examples of apparatus and methods are provided for controlling a bias in an optical modulator. An exemplary apparatus may comprise an optical modulator operable to modulate an optical signal. The optical modulation apparatus may comprise a photodetector disposed to ... | 05/08/2012 |
| 8150267 | Optical interconnect An optical interconnect includes a reflective body having a plurality of faces, where the body is translatable in a plane; and an optical receiver configured to receive optical energy reflected by at least one of the faces. ... | 04/03/2012 |
| 8139950 | Passive optical network system, optical line terminator and, communication method of passive optical network system A passive optical network system (PON) has a plurality of OLTs and ONUs with different transmission rates. OLTs with different transmission rates share information of priority frames and destinations, and determine timing for frame transmission to ONUs so that the s... | 03/20/2012 |
| 8131156 | Centralized lightwave WDM-PON employing intensity modulated downstream and upstream An optical system and method includes a source-free optical network unit coupled to an optical fiber for receiving a centralized lightwave carrier signal with downstream data over the optical fiber. The optical network unit includes a coupler configured to split the... | 03/06/2012 |
| 8126335 | Methods and apparatus for next generation access passive optical networks Methods and apparatuses for controlling transmission of converged data packets and for media access through a single next generation access (NGA) passive optical network (PON) which can coexist with EPON and GPON based systems and can interoperate with a 10 GEPON. A... | 02/28/2012 |
| 8107824 | Passive optical network system and communication method therefor In a passive optical network system in which communication signals from a master station to a plurality of subsidiary stations are multiplexed by time division and transmitted, after converting (modulating) data with a high transmission speed to a low transmission s... | 01/31/2012 |
| 8103171 | Method, system and device for data transfer in an optical network A method for data transfer in an optical network, including: amplitude modulating, by a central office, an optical carrier by a downstream data with a first rate to generate a downstream optical signal carrying the downstream data; sending the downstream optical sig... | 01/24/2012 |
| 8064774 | High frequency optical millimeter-wave generation and wavelength reuse A method includes generating an optical millimeter wave signal for modulation of a first data signal, and deriving from the generated optical millimeter wave signal a subsequent light source for modulation of a second data signal. More specifically the generating in... | 11/22/2011 |
| 7903979 | Low-cost WDM source with an incoherent light injected Fabry-Perot laser diode The present invention discloses a low-cost light source for optical transmission systems and optical networks based on wavelength-division multiplexing (WDM) technology. A light source in accordance with the present invention is implemented by externally injecting a... | 03/08/2011 |
| 7885549 | Facilitating automated service activation on passive optical networks One embodiment of the disclosures made herein is a method for activating services in a Passive Optical Networking (PON) system. In accordance with such an embodiment, an Optical Line Terminal (OLT) within the PON system is pre-provisioned with PON services and with ... | 02/08/2011 |
| 7627254 | Automated optical link power control A system, apparatus and method are described for controlling the gain across one or more amplifier nodes within an optical span. In one embodiment, a fast local amplifier constant gain control loop is provided that maintains a constant gain across an amplifier node ... | 12/01/2009 |
| 7450859 | Optical subscriber network system An optical subscriber network system is disclosed, which comprises: a server bi-directional optical transmitter including a multiplexer to multiplexes communication data and broadcast data, a server laser diode to converts the multiplexed data into an optical signal... | 11/11/2008 |
| 7433603 | Using active and passive optical components for an optical network In one embodiment, the present invention includes a network hub having an active optical encoder where the network hub is to generate a plurality of addressed optical data signals, each having a common carrier wavelength and a different address corresponding to a ne... | 10/07/2008 |
| 7417789 | Solar-pumped active device The present invention provides a solar-pumped active device which utilizes a holographic antenna grating on a solar energy silicon substrate to select specific diffracted wavelength and couple pump wavelength in an approximately vertical way and converge the pump wa... | 08/26/2008 |
| 7379676 | Communication apparatus in Ethernet passive optical network Provided is a communication apparatus in a PON bridge sublayer, which supports point-to-point communications between optical network units (ONU) in an Ethernet passive optical network (EPON). To support point-to-point communications between ONUs in the EPON, the com... | 05/27/2008 |
| 7372854 | Communication node system, control node system, and communication system using node systems in ethernet-passive optical network A communication node system for an Ethernet-PON includes: an LLID register for storing an LLID being an allocated identifier; a preamble generator for generating a PON preamble; a CRC generator for generating a CRC for the preamble; a transmission connector for comb... | 05/13/2008 |
| 7373088 | Agile spread waveform generator An agile spread spectrum waveform generator comprises a photonic oscillator and an optical heterodyne synthesizer. The photonic oscillator comprises a multi-tone optical comb generator for generating a series of RF comb lines on an optical carrier. The optical heter... | 05/13/2008 |
| 7359637 | Self-healing passive optical network A self-healing passive optical network is disclosed. The network includes a central office and a remote node connected to the central office through a main optical fiber. The remote node transmits one portion of power of the upstream optical signal, which has been i... | 04/15/2008 |
| 7343059 | Photonic interconnect system A photonic interconnect system avoids high capacitance electric interconnects by using optical signals to communicate data between devices. The system can provide massively parallel information output by mapping logical addresses to frequency bands, so that modulati... | 03/11/2008 |
| 7330654 | Ethernet passive optical network and point-to-point emulation method Disclosed is a point-to-point emulation method for operating an Ethernet passive optical network having an optical line terminal (OLT) and a plurality of optical network units (ONUs) each connected to the OLT. A tag Ethernet frame transmitted between the OLT and the... | 02/12/2008 |
| 7317876 | Medium access control for retro-reflectors A method, a device and a system for communications to and from a retro-reflector device (302) is provided. The retro-reflector device (302) receives a first frame (400) encoded in an input beam (106). The retro-reflector device (302 | 01/08/2008 |
| 7309989 | Wireless RF coil power supply A system wirelessly supplies electrical power to an RF coil and an analog-to-digital converter (ADC) for an MRI system. The system supplies power to at least operate the RF coil and ADC without the use of a battery and without use of a wired connection external to t... | 12/18/2007 |
| 7302185 | Device and method for millimeter wave detection and block conversion The device includes a first fiber optic transmitter (FOT) to receive a millimeter wave (MMW) signal and to generate a multiple sideband optical signal, and a second FOT to generate a second optical signal, from a reference signal. A first wavelength division multipl... | 11/27/2007 |
| 7292747 | Strictly non-blocking switch core having optimized switching architecture based on reciprocity conditions A switch core is set forth that comprises a plurality of duplex switches that are interconnected with a interconnection fabric to implement, for example, strictly non-blocking operation of the switch core for reciprocal traffic. In one embodiment, an N-way reciproca... | 11/06/2007 |
| 7283753 | System and method for WDM communication with interleaving of optical signals for efficient wavelength utilization In a system and method of optical communication, optical signals are generated in multiple wavelength channels. Each optical signal is passively transported from an origination node of a network to a destination node. The destination node is determined by the signal... | 10/16/2007 |
| 7274695 | Method and apparatus for processing ethernet data frame in media access control (MAC) sublayer of ethernet passive optical network (PON) A method and apparatus for processing Ethernet data frames in a media access control (MAC) sublayer of an Ethernet passive optical network (PON) are provided. The apparatus for processing protocol layers of an Ethernet passive optical network (PON) includes: an Emul... | 09/25/2007 |
| 7271949 | Multi-wavelength light source and wavelength division multiplexing system using the same A multi-wavelength light source includes an amplifier for generating light over a wide wavelength range; and, an optical fiber grating including a plurality of gratings formed on an optical fiber in in parallel with each other, thereby dividing the light inputted fr... | 09/18/2007 |
| 7272321 | Passive optical network A passive optical network. The optical network has an optical fiber ring with ends terminating at an optical line terminal. The optical line terminal transmits signals through the fiber ring to optical network units passively connected to the fiber ring. The optical... | 09/18/2007 |
| 7263245 | Method and apparatus for optically powering and multiplexing distributed fiber optic sensors An optical power converting apparatus is provided that may be used with remote sensors. A plurality of remote sensors may be coupled to a backbone optical fiber with each sensor having an optical power converter that receives an optical signal from a head end of tha... | 08/28/2007 |
| 7254332 | Wavelength division multiplexing passive optical network system Disclosed is a wavelength division multiplexing passive optical network (WDM PON) system in which an optical signal outputted from a central office is injected into a Fabry-Perot laser diode (F-P LD) as the light source of an optical network unit, so that the output... | 08/07/2007 |
| 7251699 | Low overhead coding with arbitrary control symbol placement A physical coding sublayer (PCS) device in a physical layer device of an Ethernet network device includes a multiplexer that aggregates data, which includes at least one of data portions and control portions, from a plurality of data streams into a multiplexed data ... | 07/31/2007 |
| 7245628 | Allocation of upstream bandwidth in an ethernet passive optical network A passive optical network (PON) in accordance with the invention uses a superframe having a number of subframes arranged in a two-dimensional array, wherein for normal data transfer subframes are allocated to each optical network unit (ONU) column by column, left to... | 07/17/2007 |
| 7224861 | Strictly non-blocking switch core having optimized switching architecture based on reciprocity conditions A switch core is set forth that comprises a plurality of duplex switches that are interconnected with a interconnection fabric to implement, for example, strictly non-blocking operation of the switch core for reciprocal traffic. In one embodiment, an N-way reciproca... | 05/29/2007 |
| 7209660 | Optical communications using heterodyne detection An optical communications system includes a receiver subsystem with at least two heterodyne receivers. The receiver subsystem receives a composite optical signal having two or more subbands of information and corresponding tones. An optical splitter splits the compo... | 04/24/2007 |
| 7209079 | Beam steering apparatus A beam steering apparatus including an antenna array having a plurality of antenna elements. The antenna elements are spatially arranged with respect to one another and being operable to receive signals. A plurality of optical modulators, each of which is associated... | 04/24/2007 |
| 7209613 | Electromagnetic field sensing apparatus An electromagnetic field sensing apparatus includes an optical modulator, a miniature antenna for sensing the electromagnetic field, a light source, a first optical fiber, an optical detector and a second fiber. The optical modulator can vary the amplitude of a ligh... | 04/24/2007 |
| 7206511 | Optical communications system A passive optical network employs wavelength-dependent routing, and terminals that transmit request packets (requesting a data transmission slot) in a common signalling time slot. Different delays are then applied to packets on different wavelength channels, allowin... | 04/17/2007 |
| 7202102 | Doped absorption for enhanced responsivity for high speed photodiodes A photodiode with a semiconductor intrinsic light absorption layer has at least one p-doped light absorption layer or an n-doped light absorption layer, and preferably both. The diode also has a cathode electrode and an anode electrode electrically coupled with the ... | 04/10/2007 |
| 7184670 | Telemetry system and method for acoustic arrays A telemetry system includes a plurality of acoustic sensors for receiving acoustic information and generating analog signals based on the received acoustic information. A first plurality of subsystems is coupled to at least a subset of the plurality of acoustic sens... | 02/27/2007 |
| 7139487 | Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method A host station apparatus (10) generates band allocation information including identifications of slave station apparatuses (20-1 through 200-n) and types of data to be transmitted by the slave station apparatuses and posts the information... | 11/21/2006 |
