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| Number | Title | Issue Date |
| 8184986 | Detection arrangement Exemplary embodiments of detection and transmission arrangements are disclosed herein. For example, some of the disclosed embodiments comprise a splitter, a detector, first and second paths defined between the splitter and the detector, and a manipulation arrangemen... | 05/22/2012 |
| 8175462 | Fiber optic transceiver (FOT) module and method for manufacturing an FOT module A fiber optic transceiver (FOT) module is provided that has a circuit board attached to the FOT leadframe. The circuit board, which is typically a printed circuit board (PCB), provides several advantages over typical FOT module designs in that it provides additional... | 05/08/2012 |
| 8170420 | Changing hardware settings based on data preamble The present invention provides a new and unique method and apparatus for a new data speed switching scheme for a wired data interface. The method features receiving high-speed serial data over a physical link using a first coding scheme in a receiver; receiving a tr... | 05/01/2012 |
| 8160452 | Rapid acquisition, pointing and tracking optical system for free space optical communications An acquisition, pointing and tracking system for free space optical communications systems performs the pointing and tracking function internally by way of translating an internal optical fiber in the focal plane of the transceiver telescope with a reflecting mirror... | 04/17/2012 |
| 8155529 | Forward discrete/inverse-discrete Fourier transform device and method for optical OFDM communication and transmitting and receiving apparatus comprising the device Disclosed are a forward discrete/inverse-discrete Fourier transform device and method for optical orthogonal frequency division multiplexing (OFDM) communication and a transmitting and receiving apparatus. The forward inverse-discrete Fourier transform device includ... | 04/10/2012 |
| 8150266 | Method and apparatus for performing butterfly differential signaling One embodiment of the present invention provides a system that performs differential signaling through parallel ports in a manner that reduces noise caused by coupling between neighboring ports. The system includes parallel ports for transmitting differential signal... | 04/03/2012 |
| 8112000 | Electronic device An electronic device includes a casing having a laser light reception region on its outer surface, a receiver that receives transmission data from a partner device, and a suppression member that suppresses leakage of the laser light between the partner device and th... | 02/07/2012 |
| 8103168 | RF discrete time optical frequency translator A frequency translator, a method, and a machine readable medium for performing frequency signal translations are disclosed. The frequency translator includes a modulator for modulating an optical pulse train with an input RF signal to generate an output optical puls... | 01/24/2012 |
| 8078059 | Multimode optical transmission device An optical transmitting circuit (2) modulates multimode oscillation light using an information signal, subjects at least one oscillation-mode light beam of the multimode oscillation light to a predetermined operation, and outputting the result to an optical t... | 12/13/2011 |
| 8068740 | Secure optical communication system In various embodiments, a secure optical communication system is disclosed. Such a system may include a photon-pair generation circuit configured to generate pairs of photons with each photon pair including a first-channel photon and a second-channel photon, a trans... | 11/29/2011 |
| 8059964 | QKD system with common-mode dithering A QKD system (10) having two QKD stations (Alice and Bob) optically coupled by an optical fiber link (FL), wherein Bob includes a variable timing delay arranged between Bob's controller (CB) and modulator (MB) or detector unit (40). A set-up and calibr... | 11/15/2011 |
| 8032032 | Bi-directional optical link between multiple data sources and a processing node in an avionics platform A fiber optic link for platforms with data sources including, e.g., sensors, cameras, radars and antennas. An array of optical transmitter/receiver pairs is coupled to an integrating network of the platform. Data modules are each coupled to certain ones of the data ... | 10/04/2011 |
| 8032031 | Fiber optic GPS link A fiber optic GPS signal device and method comprising a VCSEL multimode transmitter having a gain that, together with the GPS antenna gain, is greater than the VCSEL multimode transmitter noise. When in operative communication, via a long length of multimode fiber, ... | 10/04/2011 |
| 8023828 | Quantum information conversion between matter and light representations Structures and methods allow: transfer of quantum information represented using the states of light to a representation using the states of matter systems; transfer of quantum information represented by the states of matter systems to a representation using the stat... | 09/20/2011 |
| 8019227 | Information transmitting system, information decoding apparatus, informing method and recording medium A digital camera 800 receives from lighting units 120a-120l lights temporarily changing in luminance and produces a coordinates data list 8031 of the lighting units. Decoding unit 804 reads change in luminance at each... | 09/13/2011 |
| 7957651 | Configurable optical transceiver feature specific cost transaction An environment that facilitates the purchasing and updating of specific operational features in an optical transceiver (or optical transmitter or optical receiver). The environment includes a host computing system (hereinafter referred to as the “host”), a netwo... | 06/07/2011 |
| 7917038 | Multimode optical transmission device An optical transmitting circuit (2) modulates multimode oscillation light using an information signal, subjects at least one oscillation-mode light beam of the multimode oscillation light to a predetermined operation, and outputting the result to an optical t... | 03/29/2011 |
| 7912376 | Non-interfering transmitted-beam pairs Embodiments include apparatus, methods, and system including an apparatus comprising a photo receiver operable to detect a stream of light pulses transmitted from a photo transmitter paired with the photo receiver, wherein a frequency of the stream of light pulses h... | 03/22/2011 |
| 7907848 | Semiconductor photonoic nano communication link method An optical signal low energy method for coupling electrical signals on-chip between component circuits of for example a CMOS circuit array. The described coupling method employs infrared signals communicated along a nano-scale resonant semiconductor waveguide betwee... | 03/15/2011 |
| 7813646 | Power over optical fiber system A system for providing power to remote equipment where a transmit unit having lasers transmits laser light over optical fiber to a receive unit having photovoltaic receivers. The photovoltaic receivers convert the laser light to electrical energy for the remote equi... | 10/12/2010 |
| 7805081 | Methods and systems for monitoring multiple optical signals from a single source Methods and systems for monitoring a plurality of different optical signals from a single source of such signals, where each such different optical signal is spatially separated from other such signals and directed to different detectors or locations upon a single d... | 09/28/2010 |
| 7734185 | Optical transmitter and optical transmission system An optical SSB-SC modulation section 13 subjects an optical signal fa outputted from an optical source 11 to an optical SSB-SC modulation based on the amplitude of an external electric signal fc to thereby output an optical intensity-modulated signal. ... | 06/08/2010 |
| 7664402 | Information communication system for use in robot An information communication system for use in a robot communicates a full-color light flux between a transmitting device and a receiving device separated from each other. The transmitting device receives a sensor signal to generate an optical information signal inc... | 02/16/2010 |
| 7596322 | Cryptographic-key-generation communication system In a cryptographic key distribution system by the phase modulation using a single photon state or a faint LD light, there is required an interferometer independent on polarization and stabilized against thermal fluctuations in order to make a transmission distance l... | 09/29/2009 |
| 7536107 | Optical offset signal cancellation for optical receiver A laser driver for high speed interconnections may convert a digital signal to a current train of a bias mode to represent logical zero and of a modulation mode to represent logical one. An optical signal thus produced may include an optical offset. An optical recei... | 05/19/2009 |
| 7526206 | Laser communications crosslink system A laser communication crosslink system employs an nth order sigma delta modulator with a laser transmitter for communicating an analog input signal in binary form as a pulse width modulated signal, and employs a digital filter with a receiver for providin... | 04/28/2009 |
| 7444446 | Optical DVI cable, optical signal transmission equipment and optical signal transmission system which have the cable, and method of transmitting optical signal using the cable The present invention provides an optical DVI cable and optical signal transmission equipment which can prevent the leakage of laser light to the outside. The optical DVI cable includes (1) a transmission side unit having a laser light emitting element unit, and con... | 10/28/2008 |
| 7440700 | Apparatus for testing performance of optical transceiver Provided is an apparatus for testing the performance of an optical transceiver by referencing various performance clocks provided by an OTU2 signal connection transceiver and an STM-64/OC-192 signal. The apparatus for testing performance of an optical transceiver in... | 10/21/2008 |
| 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 ‘K’. A parallel digital image signal is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 7437079 | Automatic selection of data rate for optoelectronic devices Systems, devices and methods are disclosed for automatically selecting and setting an operational data rate of an optoelectronic device. In particular, an integrated circuit includes a data rate select input for the selection and setting of the operational data rate... | 10/14/2008 |
| 7436514 | Process absorption spectrometer The aim of the invention is to reduce the apparatus-related complexity and the mounting effort in a process absorption spectrometer taking in situ measurements. Said aim is achieved by providing the process absorption spectrometer with a unit comprising a source of ... | 10/14/2008 |
| 7434249 | FTTH PON that O/E converts 1310 nm for output to transmitters for E/O as 1550 nm A fiber to the home (FTTH) system based on a passive optical network (PON) includes an optical line terminal (OLT) block, an optical network terminal (ONT) block, and an optical distribution network (ODN). The ONT block includes a video-optical line terminal (V-OLT)... | 10/07/2008 |
| 7423564 | Optical signal processing device for A/D converter including optical encoders with nonlinear loop mirrors An optically sampling device optically samples an optical analog signal using a sampled signal having a predetermined sampling frequency, and outputs control light having a pulse train of an optically sampled optical analog signal. A signal generating device generat... | 09/09/2008 |
| 7421209 | Optical wavelength multiplexing FSK modulation method An optical wavelength multiplexing frequency shift keying modulation system. The system includes an optical wavelength multiplexing signal acquisition unit for outputting an optical wavelength multiplexing signal. A n optical frequency shift keying modulation unit a... | 09/02/2008 |
| 7418212 | Electrical detection of optical symbols A system and method for detecting digital symbols carried in a received optical signal. The system comprises a functional element operative to receive a stream of samples of an electrical signal derived from the received optical signal and to evaluate a non-linear f... | 08/26/2008 |
| 7415212 | Data communication system, data transmitter and data receiver A transmitter formed of two or more light-emitting sections such as LEDs, which are physically arranged in a predetermined manner, is disposed in the real world object, and each light-emitting section transmits data by flashing at a flashing pattern representing the... | 08/19/2008 |
| 7411725 | Optical signal demodulator A demodulator includes: a Michelson interferometer having: a half-mirror which splits an optical signal, emits a first split light to a first optical path, and emits a second split light to a second optical path; a first reflector which reflects the first split ligh... | 08/12/2008 |
| 7403711 | Optical digital-to-analog converter and method of optically converting digital data to analog form An optical digital-to-analog (D/A) converter and a method of optically converting digital data into analog form. In one embodiment, the optical D/A converter includes: (1) a splitter configured to receive and split an input coherent optical carrier into a plurality ... | 07/22/2008 |
| 7394989 | Signal transmission device A transmission unit of a signal transmission device includes: a transmission-side detection unit that detects image information from an inputted electrical signal; a receiving unit that receives, from a reception unit, a status signal representing an arrival status ... | 07/01/2008 |
| 7389048 | Optical wavelength-division multiple access system and optical network unit The present invention provides an optical wavelength-division multiple access system and a corresponding optical network unit. A wavelength band Da (wavelengths λd1 to λdn) for downlink optical signals corresponding to the n ONUs, a wavelength band Ua (wave... | 06/17/2008 |
