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Optical Communications > Transmitter And Receiver System

Transmitter And Receiver System

Transmitter And Receiver System patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

03/20/14 - 20140079406 - Frame formatting for high rate optical communications
Methods, systems, and devices are described for formatting of data streams to be transmitted over fiber optic channels, and for processing received optical signals. A data transmission device may include a digital coding and modulation module that encodes a digital data stream, inserts unique words into the digital data stream,...

01/16/14 - 20140016943 - Filter-based dpsk communications system
A filter-based method of demodulating differentially encoded phase shift keyed (DPSK) optical signals, such as commonly used binary-DPSK (DBDPSK) and quadrature DPSK (DQPSK) signals, that can achieve optimal receiver sensitivity is described. This approach, which combines filtering and differential phase comparison, can reduce the complexity and cost of DPSK receivers...

11/28/13 - 20130315605 - Safety system
A nodal system (10) includes a unit (D) having a memory (42) and an optical data receiver (36), and a common control unit (12) in communication with the unit. A method of commissioning the system comprises the steps of activating the optical data receiver on the unit, and transmitting an...

10/03/13 - 20130259488 - Reactive metal optical security device and methods of fabrication and use
A reactive metal optical security device for implementation in an optical network and/or system to provide a mechanism for disrupting the optical network and/or system. The security device includes a mirror comprising a reactive metal stack and configured to reflect an optical signal and receive an electrical signal. The security...

08/15/13 - 20130209109 - Fiber optic intercom for bucket truck application
An insulated bucket truck intercom facilitates safe/reliable bucket-to-cab and bucket-to-ground communications during truck operations, while in close proximity to high voltage power sources/lines. A truck-powered cab transceiver and battery-powered bucket transceiver are interconnected by fiber optic cable to maintain high voltage electrical isolation of at least 10 KV/foot. A hands-free...

07/25/13 - 20130188967 - Method and device for transmitting a low-frequency signal over a data transmission link using a digital high bit-rate signal
Disclosed is a method for transmitting a low-frequency signal over a data transmission link using a digital high bit-rate signal including the steps of creating a modulated digital high bit-rate signal the average power of which varies according to the low-frequency signal, supplying the modulated digital high bit-rate signal to...

07/11/13 - 20130177324 - Sending/receiving system, sending/receiving method, and non-transitory computer-readable medium
A sending/receiving system includes first and second sending/receiving apparatuses. The first sending/receiving apparatus includes a first sending section that sends link establishment information via first transmission channels. The second sending/receiving apparatus includes a second sending section, link establishing sections, and a controller. The second sending section sends link establishment information...

12/27/12 - 20120328304 - Optical transmission system
An optical transmission system for optically transmitting information between apparatuses via an optical transmission path. The system includes: a sending unit that emits, to the optical transmission path, excitation light for detecting an inter-apparatus connection via the path; a responding unit that receives the excitation light from the path and...

10/25/12 - 20120269518 - Optically-connected system for exchanging data among industrial automation devices
An optically-connected system is disclosed for exchanging data among industrial automation devices, that is composed of a plurality of connection modules, where each module comprises at least two pairs of optical transmitters and receivers on the main side, and one optical receiver on the opposing main side, that are opposite...

09/27/12 - 20120243878 - Radio frequency and digital signal dual carrier mulitple modulation system
The present invention is a radio frequency and digital signal dual carrier multiple modulation system that includes a transmitter system with digital components that include digital inputs, carrier signal sources, a multiplexer and logic controlled radio frequency switches that produces modulated signals and radio frequency components that includes radio frequency...

09/27/12 - 20120243879 - Communication system, communication device, and communication method
A communication system includes a transmitter that combines and transmits a first signal light and a dummy light having a wavelength different from the first signal light; a first amplifier that amplifies a light transmitted by the transmitter to a constant power; a communication device that separates the dummy light...

09/13/12 - 20120230701 - Optical space communication device, communication method thereof and optical space communication system
A optical space communication device, including: a transmission module transmitting an optical signal to a specific opposite communication device whose position is known, a reception module receiving the optical signal transmitted from a plurality of indefinite opposite communication devices, and a central communication control device controlling the transmission module and...

09/13/12 - 20120230702 - Photon detector
A photon detection system including a photon detector configured to detect single photons, the photon detector being gated such that it produces a periodic output signal and the gating signal having a frequency of at least 50 MHz. The system further includes a combiner for combining the signal from one...

06/07/12 - 20120141135 - Optical communication system, device and method employing advanced coding and high modulation order
A transmitting device, a receiving device, an optical communication system, and associated methods are provided. The transmitting device transmits an optical signal containing data, and comprises: an optical tone generator for generating at least one optical tone; at least one encoder for performing advanced coding on at least one data...

06/07/12 - 20120141136 - Method and arrangement for transferring data for the maintenance of a self-service terminal
In order to maintain self-service terminals (SS terminals), data must be transferred to a data center by means of telecommunication connections. However, in particularly sensitive fields of application, a direct link of SS terminals to external networks or devices is undesirable. Usually, the maintenance personnel must then access the service...

05/10/12 - 20120114338 - Apparatus and method for monitoring a variety of resource consumption meters
An apparatus is disclosed for attachment to a resource consumption meter emitting and detecting a signal having a first frequency relative to the rate of metered resource consumption. The apparatus comprises at least one signal detection means adapted to detect said signal from said resource consumption meter; and, a circuit...

04/05/12 - 20120082463 - Electro-optical communications link
A communications link for carrying data between a transmitter and a receiver operates according to a communications protocol (such as PCI Express (PCIe)) specifying a reduced-power link operating state in which the transmitter generates a reduced-amplitude electrical output signal and the receiver is to operate in a power-save mode. The...

03/29/12 - 20120076503 - Systems and methods for quantum illumination detection for optical communications and target detection
A detection system including a receiver, a transmitter, and a processor for stealthy target detection or optical communications is described. Optical communications may be spread spectrum encoded communications over a bright background communication channel. The transmitter includes a quantum frequency entanglement source for outputting a signal beam and an idler...

03/22/12 - 20120070155 - Flexibly configurable optical sub-assembly
Multiple pins extend from the outside to the inside of an optical sub-assembly. A light receiver or a light transmitter is arranged inside the optical sub-assembly. A receiver circuit and transmitter circuit (TX) are arranged inside the optical sub-assembly and connected between the multiple pins and the light receiver and...

01/05/12 - 20120002976 - Identification and communication systems
In some embodiments, an identification and communication system described herein comprises one or more query units and one or more response units, wherein at least one query unit comprises a query beam source operable to emit a query beam and at least one response unit comprises at least one detector...

12/15/11 - 20110305460 - Portable light providing illumination and data
A system may comprise a portable light and a receiver therefor. The portable light for illuminating may comprise: a light source, a housing supporting the light source, a processor selectively energizing the light source from an electrical power source to produce illumination, a switch controlling the processor, and a memory...

12/01/11 - 20110293286 - Method for optical data transmission using existing indicator or illumination lamp
A method is described for the transmission of data using LEDs or other light sources without interfering with the standard use of the lighting source....

11/10/11 - 20110274436 - Optical communication system
Consistent with the present disclosure a transmitter is provided that transmits data in either a “quasi-DP-BPSK” (“QDP”) mode or in a DP-QPSK mode. In the QDP mode, data bits are transmitted as changes in phase between first and second phase states along a first axis or as changes in phase...

11/03/11 - 20110268455 - Modular safety switching device system with optical link
A modular safety switching device system for actuating actuators in a fail-safe manner. and a switching device system wherein a plurality of switching devices are connected in series and optically communicate with each other. The system includes a first and a second safety device. The first and second safety devices...

10/13/11 - 20110249978 - Optical transmitter and optical ofdm communication system
Distortion of a reception signal which is attributable to interference between subcarriers during photoelectric conversion is reduced in an optical OFDM communication system without broadening the signal band. A transmission signal processing unit (100) in a transmitter is provided with a distortion generating circuit (distortion generating unit) (170). A subcarrier...

10/06/11 - 20110243570 - Method and apparatus for transmitting visibility frame according to setting of sleep mode in visible light communication system
An apparatus and method for determining whether to output a visibility frame by a Visibility Light Communication (VLC) device according to a setting of a sleep mode is provided. The method includes receiving a sleep mode request message; and transmitting a response message indicating a sleep mode period in response...

10/06/11 - 20110243571 - Method, apparatus, and article to facilitate distributed evaluation of objects using electromagnetic energy
Objects such as manufactured goods or articles, works of art, media such as identity documents, legal documents, financial instruments, transaction cards, other documents, and/or biological tissue are sampled via sequential illumination in various bands of the electromagnetic spectrum, a test response to the illumination is analyzed with respect to reference...

09/22/11 - 20110229146 - Phase modulation apparatus, transmitting apparatus, receiving apparatus, and phase modulation method
It is aimed to provide a phase modulation apparatus that realizes high-precision phase modulation in high-speed phase modulation of dual optical pulses. A phase modulator 105 included in the phase modulation apparatus, when a dual optical pulse with a time difference composed of a signal optical pulse SP and a...

09/01/11 - 20110211841 - Ghost channel management for phb mitigation
A system and method for managing the selection of ghost channels in an optical communication system, including components configured to collect one or more first data values indicating the validity of an optical communication channel within a first degree of a node in the optical communication system, collect one or...

08/25/11 - 20110206381 - Optical serializing/deserializing apparatus and method and method of manufacturing same
An optical serializer/deserializer (SERDES) includes serializing circuitry which includes a source of a plurality of unmodulated optical signals, a modulation unit for generating a plurality of modulated optical signals using a plurality of electrical signals to modulate the plurality of unmodulated optical signals, and a coupling unit for delaying the...

07/14/11 - 20110170874 - Method, system, and apparatus for optical communication
An optical communication method includes outputting an optical data signal in which a signal amplitude of a non-data area that is an area other than a data area is made higher than a signal amplitude of the data area, to a predetermined receiver, receiving an optical input including the optical...

06/30/11 - 20110158653 - Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction
A construction of a near-field communication (NFC) enabled intelligent micro-subsystem and/or intelligent appliance with key applications (e.g., an intelligent, location based and personalized social network and an intelligent, location based and personalized direct and peer-to-peer marketing) are also described....

06/23/11 - 20110150496 - Time constrained signal mimo wireless and wired communication method
A method and system for receiving and processing in a wireless device a Radio Frequency Identification (RFID) device generated signal and a sensor generated signal. Receiving and processing a data signal into a processed ultra narrowband (UNB) and a processed ultra wideband (UWB) signal and providing processed UNB and UWB...

06/02/11 - 20110129230 - Optical transmission apparatuses, methods, and systems
Apparatuses, systems, and methods are disclosed that provide for an agile coherent optical modem that can generate agile RF waveforms and data rates on a generic opto-electronic hardware platform. An “agile coherent optical modem” [ACOM] approach to optical communications by employing a software configurable and adaptive technologies to the transport...

05/12/11 - 20110110671 - Optical networks
Improvements in or relating to Optical Networks. The invention relates to improvements in or relating to optical networks, and methods and an apparatus for providing communications services. Receiving an optical signal is described comprising a carrier wavelength and optical data. The optical data is substantially erased, and the carrier wavelength...

03/31/11 - 20110076026 - Method for encoding and decoding of optical signals
The present invention refers to a method for robust multi-level encoding of optical signals. The method uses a transmitter that transforms electric signals into optical signals and a receiver capable to transform optical signals into electric signals. The transmitter is capable to generate optical pulses having at least two different...

03/24/11 - 20110069968 - Optical communication module and method for manufacturing the same
An optical communication module includes an array semiconductor laser which emits light beams of plural wavelengths, an array lens which brings each of the light beams emitted from the array semiconductor laser to parallel light, and an array mirror which includes mirrors corresponding to the number of wavelengths and is...

03/03/11 - 20110052203 - Control unit having a device for optical data transmission
The invention relates to a control unit comprising a data transmission device, comprising at least one module (6) which is arranged on a mounting plate (1) and actively connected to a power supply system. The data are as least forwarded to a second module (7) which is arranged on a...

02/24/11 - 20110044697 - Optical telemetry network
An apparatus for providing communications between a first device disposed at a tubular and a second device, the tubular having tubular sections and being configured to be disposed in a borehole penetrating the earth, the apparatus including: a first optical coupler configured to be concentrically coupled to a first tubular...

02/17/11 - 20110038639 - Power-up of device via optical serial interface
An optical communication serial interface is employed to power up a device from a powered down state to a powered on state. An optical receiver element receives serial optical signals transmitted by at least one optical fiber and converts the received serial optical signals to electrical signals. A low level...

01/13/11 - 20110008054 - Modulator and demodulator for a differential optical modulation format with eight phase changes
The invention relates to a system comprising an optoelectronic modulator device and demodulator device for establishing communication between optical communication systems by means of differential modulation with eight phase changes. Said system can increase the information transmission capacity by up to three times that of a system with two phase...

01/06/11 - 20110002693 - Digital signal processing optical transmission apparatus
In a digital signal processing optical transmission apparatus such as a predistortion or OFDM type one, optical transmission at a stable S/N ratio is intended to be able to be made by controlling an output of an optical transmission signal with fixed average power, even if a peak to average...

12/16/10 - 20100316390 - Technology for providing telecommunication services to multiple optical communication lines
A system for serving N optical communication lines by a redundant set of modules in an optical network; where the set of modules comprises N>1 main modules and one backup module, N optical splitters, 2N fiber connections and a control means. In the system, each of the N optical splitters...

11/04/10 - 20100278540 - System, device, and method for supporting cut-through paths in an optical communication system
A system, device, and method for supporting cut-through pats in an optical communication system involves obtaining hop count and quality of service information by an initiating device and using the hop count and quality of service information by the initiating device to make decisions relating to a cut-through path. The...

10/28/10 - 20100272444 - Code grouping for optical networks
The invention is directed to code labeling in an optical network. The network includes a transmitting station operable to transmit an optical signal. The network also includes an encoder coupled to the transmitting station operable to label the optical signal composed of a group of codes. A receiving station operable...

09/30/10 - 20100247107 - Method and apparatus for increasing the capacity of a data communication channel
Method for efficiently increasing the capacity of an optical channel which can operate in a given data rate B, by generating N modulated data streams with a bit rate of B/N and a bit-time of N/B at the transmission end, to be simultaneously transmitted from a transmission end to a...

09/30/10 - 20100247108 - Infrared communication system, movable object, supply facility, and method for infrared communication in the same
A supply facility supplies fluid to a movable object through a feed pipe connected with a connection port of the movable object. A feed connector of the feed pipe is rotatable around its axis when the feed pipe is connected with the connection port. At least one of the feed...

08/19/10 - 20100209113 - Light transmitting and receiving module, and method for managing the same, light transmitting and receiving apparatus, and wavelength-multiplexing light transmitting and receiving apparatus
The light transmitting and receiving module includes a light outputting section; alight receiver which receives input light and which outputs an electric signal having an intensity corresponding to a light intensity of the input light; a first variably attenuation controller which variably attenuates the light output from the light outputting...

07/08/10 - 20100172652 - 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 surface area for mounting additional components, enables components...

07/01/10 - 20100166432 - Coding device, pulse regenerating device, and communications system
It is an object of the present invention to provide coding techniques which allow for higher efficiency and easier synchronization with coded data. In order to attain the object, a coding device according to the present invention converts 2-bit informational data into 4-bit coded data according to a predetermined coding...

06/10/10 - 20100142968 - Product, method and equipment for remote communication using chromogenic materials
The invention relates to products, methods and devices for remote communication or control using chromogenic materials. Several samples including at least one kind of chromogenic materials are simultaneously irradiated or radiated together by an appropriate entangled radiation, e.g. gamma, X, ultraviolet or visible radiation, provided by a cascade from an...