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| Number | Title | Issue Date |
| 8090264 | Architecture for enabling network centric communications, sensing, computation, and information assurance A free-space network may include: at least one free-space sensor for sensing at least one uncooperative target; at least one free-space communications network for allowing a plurality of cooperative users to communicate, at least one free-space processor for process... | 01/03/2012 |
| 8009992 | Optical interconnect An optical interconnect includes a translatable optical source; an optical modulator element disposed on a circuit board and configured to receive an optical beam from the optical source; and an optical receiver disposed on a circuit board and configured to receive ... | 08/30/2011 |
| 7978981 | Structure and apparatus for a very short haul, free space, and fiber optic interconnect and data link A low cost, high speed, short haul, optic interconnect and data link which employs an array of vertical cavity surface emitting laser (VCSEL) arrays through which several optical signals are simultaneously transmitted through collimating optics that generate multipl... | 07/12/2011 |
| 7920794 | Free space optical communication Free space optical communication systems, methods, and apparatuses are provided. A system embodiment includes a photodetector for receiving a beacon signal transmitted from a ground communication apparatus, a light source for emitting a light beam toward a source of... | 04/05/2011 |
| 7885548 | Free space optical communication Free space optical communication systems, methods, and apparatuses are provided. A free space optical communication system embodiment includes a light source for emitting a light beam toward a receiver, where the light beam includes a signal to be transmitted, an ou... | 02/08/2011 |
| 7844183 | System and a method for transmission of information A system for transmission of information between at least two players in a training area comprises means on a first (1) of said players for encoding light pulses and means for transmitting information in the form of such coded light pulses towards at least on... | 11/30/2010 |
| 7844184 | Remote control receiver and electronic equipment including the same At least a plurality of light-receiving regions for receiving remote control signals, respectively, in a form of incident light and performing photoelectric conversion of the signals are provided in one common mold package. The remote control receiver includes a fir... | 11/30/2010 |
| 7835647 | Method and system of tracking optical beam shift An optical interconnect includes an optical transmitter having a plurality of optical sources; a light sensing array configured to receive optical beams emitted from the optical sources; and a beam tracking module in communication with the light sensing array. The b... | 11/16/2010 |
| 7715723 | Information-processing system using free-space optical communication and free-space optical communication system In a system for data communication between an information terminal to be operated by a user and remote communication nodes, the present invention intends to suppress the power consumption of the information terminal. For that purpose, communication nodes 2, 3... | 05/11/2010 |
| 7643755 | Optical receiver comprising a receiver photodetector integrated with an imaging array A high-speed optical communications cell is integrated at the interior of a two-dimensional imaging array. The combined receiver and imager carries out both photodetection (converting photons to electrons) and circuit functions (e.g. amplifying and integrating the s... | 01/05/2010 |
| 7583899 | Space optical transmission apparatus and space optical transmission system A space optical transmission apparatus is provided which achieves high-speed simultaneous space optical transmission with respect to a plurality of terminals. In the space optical transmission apparatus, a light receiving section receives an optical signal from a te... | 09/01/2009 |
| 7536106 | Optical transceiver design and mechanical features A node for use in a wireless communication network that facilitates alignment of the node with other nodes in the network and a method for aligning the node. The node includes mounting fixtures that enables the mounting of GPS receivers and a tiltmeter to obtain pos... | 05/19/2009 |
| 7437077 | Wavefront sensing system employing active updating of reference positions and subaperture locations on wavefront sensor A free-space adaptive optical laser communication system having signal transmission and reception channels at all terminals in the communication system, wherein wavefront sensing and wavefront correction mechanisms are employed along signal transmission and receptio... | 10/14/2008 |
| 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 intermediate electrical signal, which contains both the data encoded in ... | 07/29/2008 |
| 7400834 | Optical space transmission apparatus and optical space communication system An optical space transmission apparatus which performs a first communication, in which a light beam propagating through a space is used, with a remote apparatus includes a communication section and an identification section. Here, the communication section performs ... | 07/15/2008 |
| 7379674 | Optical transmission device An optical transmission device for providing stable communication with a partner device by reducing errors in optical axis misalignment. The errors are caused by uneven distribution of the light intensity in a received light beam resulting from atmospheric microscop... | 05/27/2008 |
| 7372124 | Light-receiving element and photodetector using the same A light-receiving element may easily detect the barycenter of a light intensity of light having a long-wavelength band in an optical communication. An InGaAs layer (i-type layer) and a p-type InP layer are stacked on an n-type InP substrate. Electrodes are formed on... | 05/13/2008 |
| 7366428 | Optical receiver An optical receiver includes a light-receiving part and a control part. The light-receiving part includes an APD, a PIN-PD, and a branching optical device. First signal light is incident on the light-receiving part and is divided into second signal light and third s... | 04/29/2008 |
| 7346282 | Optical-transmission-space determining apparatus and optical-space transmission apparatus An optical-space transmission apparatus for use in communication by using light propagating in a space includes a light-receiving unit, an optical system including a movable mirror and introducing light incident thereon to the light receiving unit with the movable m... | 03/18/2008 |
| 7343099 | Free space optical (FSO) laser communication system employing fade mitigation measures based on laser beam speckle tracking and locking principles A free-space adaptive optical laser communication system having signal transmission and reception channels at all terminals in the communication system, wherein wavefront sensing and wavefront correction mechanisms are employed along signal transmission and receptio... | 03/11/2008 |
| 7338193 | Light transfer device for an electronic device An electronic device includes a housing having pivotal portions and having a hinge defining a hinge axis between the pivotal portions about which the pivotal portions are pivotal. A light source is associated with one of the pivotal portions and a light receiver is ... | 03/04/2008 |
| 7330668 | Low noise light receiver The low noise light receiver comprises a light sensor for generating a sensor signal, the sensor signal comprising a wanted signal resulting from a light source and an interfering signal resulting from interfering light; an optical filter apparatus for reducing the ... | 02/12/2008 |
| 7292788 | Multi-beam laser communications system and method A laser communications system includes a wide-field sensor, configured to detect a first set of laser communications sources within a first field of view, a narrow-field sensor includes a tracking portion and a control portion configured to receive laser communicati... | 11/06/2007 |
| 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 beam-splitting member. The beam-splitting member performs one of tra... | 10/30/2007 |
| 7286766 | Free space optical communication system with power level management A free space optical communication system includes an adaptive optical power regulator. The adaptive optical power regulator adapts to changes in effective loss associated with the free space optical path. In one embodiment the adaptive optical power regulator adapt... | 10/23/2007 |
| 7272322 | Modular free space optical (FSO) device and related methods A modular free space optical (FSO) communications device may include an adaptive optics (AO) module and an interchangeable optical relay (OR) module. More particularly, the AO module may include an AO housing and at least one AO device carried thereby. Also, the int... | 09/18/2007 |
| 7268940 | Illuminating device An illuminating device, as for a microscope, includes a light source and a reflecting filter system. The beam of light of the light source undergoes a plurality of reflections in the reflecting filter system. The entering beam of the reflecting filter system has an ... | 09/11/2007 |
| 7265439 | Low cost, high speed, high efficiency infrared transceiver An inventive transceiver includes a transmitter for outputting plural beams of electromagnetic energy. In the illustrative embodiment, the transmitter is a vertical cavity surface emitting laser. Plural beams output by the transmitter are directed to the detector by... | 09/04/2007 |
| 7239811 | Optical-axis directional indicating apparatus for optical communication An optical-axis directional indicating apparatus for optical communication includes a photoreceptor having a light-receiving surface and a plurality of optical receiving elements arranged on the surface in a first direction and a second direction orthogonal to the f... | 07/03/2007 |
| 7236709 | Multi-input wavelocker for controlling laser wavelengths of multiple lasers Techniques for coupling output laser beams from multiple lasers into multiple fibers and using a collimating lens and a steering mirror to individually couple the laser beams from the fibers to a laser control system. ... | 06/26/2007 |
| 7236705 | Methods and systems for aligning and maintaining alignment of point-to-point transceivers in a network A digital data network uses network nodes incorporating infrared transceivers. Each node includes a plurality of infrared transceivers having transmitter and receiver optics designed to facilitate line-of-sight infrared optical communications in a residential or bus... | 06/26/2007 |
| 7221874 | Free space optical (FSO) device providing remote control features and related methods A modular free space optical (FSO) communications device may include an optical relay (OR) module and a base module. More particularly, the OR module may include an OR housing and at least one OR device carried thereby. Further, the base module may include a base ho... | 05/22/2007 |
| 7215888 | System and method of implementing variable loop gain in an optical wireless link based on distance A system and method of varying the control loop gain of an optical wireless communication link between a transmitting station and a receiving station as an inverse function of distance between the transmitting station and the receiving station to allow the optical w... | 05/08/2007 |
| 7212170 | Antenna beam steering via beam-deflecting lens and single-axis mechanical rotator An antenna beam steering apparatus and method comprising providing an antenna, employing a beam-deflecting lens through which energy passing from and to the antenna is deflected, and rotating the antenna with a single-axis rotator. ... | 05/01/2007 |
| 7200335 | Optical transceiver An optical transceiver is equipped with at least one coupling lens which condenses reception signal light from an optical medium and condenses transmission signal light to the optical medium, an optical plate which passes the reception signal light and reflects the ... | 04/03/2007 |
| 7200334 | System for transmitting digital signals in a space vehicle The invention relates to a system for conveying digital signals inside a space vehicle between a transmitter and a receiver. In the invention, the link between the transmitter and the receiver comprises a first portion made of optical fiber and a second portion in w... | 04/03/2007 |
| 7194209 | Interference resistant infrared extension system An interference resistant infrared receiver and extension system is disclosed. A receiver in accordance with the present invention comprises at least one infrared photodetector configured to detect impinging infrared light of a desired wavelength, an amplifier, coup... | 03/20/2007 |
| 7190905 | Spatial optical communication apparatus In a disclosed spatial optical communication apparatus, the optical-axis deviation correction is possible at the same time for both high-speed angular variation with a small amplitude and low-speed angular variation with a large amplitude, and the apparatus has a fu... | 03/13/2007 |
| 7181143 | Free space optics communication apparatus and free space optics communication system A free space optics communication apparatus which achieves high use efficiency of light and enables free control of the divergent angle of a light beam and the like is disclosed. The free space optics communication apparatus of the present invention has a light sour... | 02/20/2007 |
| 7173426 | Optical link for transmitting data through air from a plurality of receiver coils in a magnetic resonance imaging system An optical data link is provided for optically transmitting in free space data from a plurality of receiver coils in a magnetic resonance (MR) imaging system. This free space (e.g., through-the-air) optical data link provides a tether-less (i.e., no bundles of physi... | 02/06/2007 |
