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7606497 |
Pluggable transceiver having guide structure for connector within cage
The present invention provides an optical transceiver for readily engaging a plug of a circuit board with a connector. The optical transceiver is provided with a pair of guides for guiding the plug...
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7603038 |
System and method that suppresses intensity fluctuations for free space high-speed optical communication
A high-speed (Gbps), free space optical communication system is based on spectral encoding of radiation from a wide band light source, such as a laser. By using partially coherent laser beams in...
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7593649 |
Method and apparatus for wired infrared demodulation
Method and system for processing a modulated WIR input signal. A digital device includes an input receiving circuit. This circuit receives the modulated WIR input signal and detects a modulation...
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7593642 |
Field device configured for wireless data communication
Field devices comprising a transmitter and/or receiver for wireless data communication are provided. The energy available for wireless data communication in data transmitting or data receiving...
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7593641 |
System and method of free-space optical satellite communications
A system and method of free-space optical satellite communications includes a ground station and transceiver for transmitting and receiving an optical communications signal. Adaptive optics at the...
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7587141 |
Communication transceiver architecture
A free-space communication transceiver includes a telescope for transmitting and receiving laser beams, a tunable laser transmitter for generating a transmit laser beam modulated with data, a...
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7587112 |
Optical device and light control method
In order to prevent a spectrum of a wavelength channel from becoming narrower, a device according to the present invention includes a light dividing section capable of dividing a wavelength...
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7577364 |
Optical wireless communications
An optical wireless local area network using line of sight optical links. The base station and terminal stations are provided with optical transceivers which include a transmitter array and...
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7567759 |
Optical apparatus
An optical apparatus comprises a phase comparator detecting a phase shift between a changing point of data transmitted through an electro/opto converter and a changing point of data received...
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7567758 |
Transceiver module and integrated circuit with multi-rate eye openers and bypass
A transceiver module having intergrated eye diagram opening functionality for reducing jitter is describe. The transceiver module may transmitter eye opener and a receiver eye opener integrated in...
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7565082 |
Data transmission method and system thereof, portable terminal, and data receiver
In a data transmission method according to an exemplary embodiment, a data transmitter, which is capable of outputting a dummy light for judging an optical axis and a signal light having a beam...
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7509052 |
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...
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7509049 |
System for selectively combining satellite signals sent to a user through an optical fiber
A method and apparatus are provided for transferring a plurality of satellite signals through an optical communication network. The method includes the steps of selecting a frequency of a local...
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7505689 |
Electronic signal blanking in optical transceivers
A transceiver system allows for simultaneous operation of transmit and receive modes, even in shared path configurations, by temporarily making the receiver insensitive to transmitter energy and by...
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7489870 |
Optical antenna with optical reference
An optical antenna assembly including multiple optical antenna elements, each of the optical antenna elements are arranged in a regular pattern and carried by a supporting body. The regular pattern...
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7486894 |
Transceiver module and integrated circuit with dual eye openers
A transceiver module having integrated eye diagram opening functionality for reducing jitter is described. The transceiver module may include a transmitter eye opener and a receiver eye opener...
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7483638 |
Optical transceiver
The present invention provides an optical transceiver that enables to reduce the crosstalk from the optical transmitter to the optical receiver. The regenerator of the optical transceiver includes...
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7477847 |
Optical and electrical channel feedback in optical transceiver module
Optical transceivers have loopback and pass-through paths for diagnosing transceiver components and optical networks connected to the optical transceiver or for routing data out of the transceiver...
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7474855 |
Information support system
A battery-less terminal ( 1 ) has means ( 21 ) for photoelectrically converting an optical signal from an information transmission device ( 2 ), means ( 12 ) for outputting the electric signal...
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7466924 |
Reconfigurable data communications system with a removable optical backplane connector
The present invention is directed to a reconfigurable data communications system. The system includes a removable optical backplane connector with a first end and a second end, a first data...
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7463674 |
Tables for determining the signal strength of a received signal in a fibre optics transceiver
A transceiver that includes a receiver configured to receive a data signal, a controller, a first memory that includes a first table associated with a first set of gain values and a second table...
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7460788 |
Transmitting and receiving device
A transmitting and receiving device, in which the received signal which is produced by the receiving device has only a small amount of crosstalk. This object is achieved by providing a transmitting...
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7460787 |
Communication system with external synchronisation
In an optical communication method, an accurate common clock signal (GPS) is provided to a sender ( 10 ) and a receiver ( 20 ). In the sender, the common clock signal is received, a first clock...
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7450854 |
High-speed wireless LAN system
A high-speed wireless LAN system is disclosed. The system includes a mobile station for transmitting/receiving data encrypted by a predetermined encryption method, communicating the data to...
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7447440 |
Multiple channel optical transceiver modules
Techniques for multiple channel optical transceivers for use in network devices are provided. In general, a row of optical emitters are disposed adjacent to a row of optical detectors in order to...
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7447437 |
Interface arrangement for opto-electronic data transfer, and plug-in opto-electronic transceiver
An interface arrangement for opto-electronic data transfer which has an electrical plug connection part which includes at least one electrical contact used by a connected plug-in transceiver to...
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7444080 |
IrDA/RC transmitter circuit having low energy consumption
An IrDA module is coupled to a tapped inductor and makes both IrDA and remote control (RC) transmissions. The IrDA module includes a transmitter LED and a field effect transistor (FET) switch. The...
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7437078 |
Integrated post-amplifier, laser driver, and controller
A telecommunications system and constituent integrated circuit that includes a post-amplifier assembly configured for communication with an optical receiver, a laser driver assembly configured for...
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7424228 |
High dynamic range radio frequency to optical link
A communication system includes an optical transmitter which is differentially driven and an optical receiver that outputs a differential signal. The optical transmitter creates the differential...
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7421212 |
Detecting and locating pulses using a Bragg cell
Detecting a pulse of a signal includes receiving the signal and a light beam. The signal drives a spatial light modulator to modulate the light beam, where the complex amplitude of the modulated...
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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...
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7406263 |
Combined wavefront sensor and data detector for a free space optical communications system with adaptive optics
In an adaptive optics module, wavefront sensing and data detection are implemented in a single device. For example, an optical-to-electrical converter converts a data-encoded optical beam to an...
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7394987 |
Programmable infrared data processor
An Infrared (IR) receiver includes a programmable decoder having a normal mode of operation and a proprietary mode of operation. When the programmable decoder is in the normal mode of operation,...
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7391975 |
Method of synchronizing servo timing in an optical wireless link
A technique for synchronizing the servo control systems between two optical wireless links (OWLs) that are in communication with one another. This synchronization allows the alignment in time of...
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7389052 |
Calibration method for station orientation
In optical wireless networks, light beams are transmitted over-the-air and maximum performance is achieved when light beams are aligned with corresponding light detectors. A feedback control system...
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7386238 |
Method and system for infrared data communications
A method and system for conveying contextually relevant information to a wireless client are disclosed. More particularly, a transmitter transmits a diffuse infrared signal to a client having an...
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7373085 |
Hybrid satellite and fiber communications system
A communication system employing optical fibers and a high data rate satellite is utilized to provide high-speed Internet access to various geographic regions. In one aspect, a first teleport...
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7369775 |
Wireless duplex optical communication system
A wireless optical communication systems using two optical transceivers located at the opposite ends of an optical communication line. The optical communication system can be either two-element,...
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7366419 |
Spatial transmit/receive isolation method for optical communication systems
Apparatus, and a corresponding method, for spatially isolating a transmit beam and a receive beam, which, in satellite communication systems, are inherently separated by a look ahead angle. A...
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7359640 |
Optical coupling device and method for bidirectional data communication over a common signal line
Optical coupling device operates over a bidirectional data link between at least first and second communicators, each communicating data along a common wire of the data link. The device includes at...
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7359639 |
Airborne free space optical communication apparatus and method with subcarrier multiplexing
A free space laser communication system uses subcarrier multiplexing to prepare multiple data communication channels for impressing onto a laser carrier. Sending and receiving terminals mutually...
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7356262 |
Time division multiplexing of analog signals in an optical transceiver
An optical transceiver module having a multiplexing analog control interface. The optical transceiver module comprises a controller and integrated post-amplifier/laser driver, which are included on...
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7333730 |
Method and system for controlling steering devices using infrared signals
A steering method and system controls a plurality of infrared units with a plurality of infrared controllers. The infrared controller sets the time interval between the end of a start signal and...
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7330662 |
System and method for remote optical digital networking of computing devices
The extended range of optical data communication is enabled through the use of intermediary relay stations spaced fairly far apart. IRDA communicatiOn, as is well known, uses very short duration...
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7330661 |
Method and apparatus for optical communication between devices
A method and apparatus for processing a data signal for transmission to a remote device transmits at least two synchronized copies of the data signal, in optical form, in different directions. To...
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7308207 |
Method for identifying an interrogated object using a dynamic optical tag identification system
An interrogator identifies an interrogated object using a light transceiver and a dynamic optical tag associated with the interrogated object. The dynamic optical tag receives an output light beam...
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7302181 |
Single lens multiple light source device
An optical communication device having multiple light sources under a single lens. The optical communication device has two light sources. The optical communication device has a lens optically...
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7289737 |
Communication optical system and free-space optics communication apparatus
A communication optical system having a compact structure and capable of preventing crosstalk is disclosed. The communication optical system includes a light source, a light-receiving element and a...
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7286767 |
Optical transceiver over single communication link
A method, apparatus, and system for optical communications. An optical transmit signal is generated in response to an electrical transmit signal. The optical transmit signal is coupled into a...
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7277641 |
Multiple access space communications optical system using a common telescope aperture
The present invention relates to a multiple access space laser communications optical system. According to the present invention, multiple optical signals containing a number of channels are...
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