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| Number | Title | Issue Date |
| 8098992 | Multipurpose infrared apparatus and display apparatus thereof The present invention relates to a multipurpose infrared apparatus and a display apparatus thereof. The display apparatus includes a display panel and the multipurpose infrared apparatus, wherein the multipurpose infrared apparatus includes an infrared light emitted... | 01/17/2012 |
| 7995926 | Scanned acquisition using pre-track data A scan acquisition technique for acquiring terminals (62, 64) that does not rely on precise alignment between a sensor (66, 70) and a transmitter (68, 72) associated with the terminals (62, 64). The terminals (62, 64) separate unce... | 08/09/2011 |
| 7450855 | Optical detection apparatus and free-space optics communication apparatus There is provided an optical detection apparatus, comprising a light-receiving element, an optical system which forms a spot of light flux on a light-receiving surface of the light-receiving element by externally incident light flux, and an information generating se... | 11/11/2008 |
| 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 |
| 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 the various tasks to be assigned in a desired time period. The synchron... | 06/24/2008 |
| 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 |
| 7292789 | Multi-channel wide-field laser communications method and apparatus A communications terminal includes a first aperture configured to receive laser signals from ground laser sources, pick-off mirrors configured to receive laser signals from mobile laser sources, an optical assembly configured to receive the laser communications sign... | 11/06/2007 |
| 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 |
| 7289736 | Adaptive optics imaging system with object acquisition capability An adaptive optics imaging system has an acquisition imaging subsystem to assist in initial acquisition and alignment of the system to a target object. A wavefront sensor in the adaptive optics imaging system is aligned to a reference object in the acquisition imagi... | 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 |
| 7283751 | Adaptive optical system compensating for phase fluctuations A method and apparatus for compensating for phase fluctuations incurred by an optical beam travelling through free space, especially a turbulent atmosphere. A transmitting station transmits a plurality of uniquely tagged optical beams through free space. The plurali... | 10/16/2007 |
| 7257327 | Wireless communication system with high efficiency/high power optical source An optical communication system is provided which includes an optical signal transmitter which communicates high bandwidth, high power frequencies. The optical signal transmitter includes a high efficiency/high power optical source such as an optical magnetron or a ... | 08/14/2007 |
| 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 |
| 7215890 | Free space optical (FSO) device providing power reduction features and related methods A free space optical (FSO) communications device may include a plurality of power supplies having different respective output voltages. The FSO communications device may further include an adaptive optics (AO) module including an AO housing and a deformable mirror c... | 05/08/2007 |
| 7203425 | Optical wireless link An optical, line-of-sight modem. The modem includes a micro-mirror assembly including a micro-mirror and including an actuator for providing rotational movement to the micro-mirror, the micro-mirror being controllable by predetermined control signals. The modem incl... | 04/10/2007 |
| 7203424 | Automatic laser power control in an optical communication system A system and method for use with an optical communication beam of light is disclosed. The system allows the beam of light to operate at an adequate power level that provides a robust optical link while minimizing any safety risk to humans. Such a system includes mul... | 04/10/2007 |
| 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 |
| 7174099 | System for regulating optical output power Systems and methods for regulating optical power are described. A system for regulating optical power includes a laser driver circuit that receives an enable/disable signal and a data modulator input. The enable/disable signal regulates asynchronous mode operation. ... | 02/06/2007 |
| 7133617 | Reflection detection in an optical wireless link In an optical wireless network, where light beams are transmitted over-the-air, reflections of the transmitted light beams may cause a receiver of an optical wireless device to detect and subsequently lock onto the signal that it transmitted. By doing so, the networ... | 11/07/2006 |
| 7113707 | Dynamic optical interconnect This invention provides a dynamic interconnection system which allows to couple a pair of optical beams carrying modulation information. In accordance with this invention, two optical beams emanate from transceivers at two different locations. Each beam may not see ... | 09/26/2006 |
| 7103280 | Architecture for an optical satellite communication network A satellite constellation has a plurality of satellites. Each of the satellites has an RF ground link for communicating with a ground station and an optical link for communication with at least one of the plurality of satellites. Each of the satellites has a reconfi... | 09/05/2006 |
| 7058307 | Free-space optical communication apparatus and free-space optical communication system A free-space optical communication apparatus includes a storage unit which stores angle-setting information for the mirror for communicating with each of the plurality of other apparatuses, a mirror driving unit which drives the mirror to an angle corresponding to t... | 06/06/2006 |
| 6937347 | Small-beam lateral-shear interferometer A lateral-shear interferometer utilizes two relatively thick glass plates bonded together in a single block with a tilted air gap between opposing inner surfaces. The thickness of the glass plates is selected to be sufficiently large to separate the output beams fro... | 08/30/2005 |
| 6909850 | Method and arrangement for establishing a connection between satellites Lightwaves (1), which carry data signals and beacon light, are used for establishing a connection between a receiver and a transmitter located remote from each other. An acquisition sensor (171) is provided for acquiring the lightwaves (1) in th... | 06/21/2005 |
| 6816112 | Hybrid RF/optical acquisition and tracking system and method A hybrid optical and millimeter wave beam acquisition and tracking system and method. A host platform includes an INS and a GPS for generating geolocation data, optical and RF receivers, and a common optical/RF aperture. An interface is coupled to the host platform ... | 11/09/2004 |
| 6778779 | Full-duplex optical communication system A method of full-duplex electromagnetic communication wherein a pair of data modulation formats are selected for the forward and return data links respectively such that the forward data electro-magnetic beam serves as a carrier for the return data. A method of enco... | 08/17/2004 |
| 6643469 | Method for improved wireless optical communication and frames for use in a wireless optical communication system Method for wireless optical communication between a transmitting station and a receiving station, whereby the transmitting station provides a Request-to-Send (RTS) frame to the receiving station to announce the transmission of a data frame, the receiving ... | 11/04/2003 |
| 6304354 | Laser satellite communication system A laser communication system adapted for use in a satellite communication system. The satellite carries a laser communication system. The laser communication system includes a plurality of active and passive optical elements packaged in a monolithic, or s... | 10/16/2001 |
| 6297897 | Method and arrangement for optical information transmission via satellites The instant invention relates to a method and an arrangement for optical information transmission via satellites by means of broadband optical modulation and reception technology. As a rule, the arrangement is realized in optical satellite terminals, whic... | 10/02/2001 |
| 6175451 | Optical axis correcting apparatus and method of correcting optical axis An optical axis correcting apparatus for correcting the optical axes of light beams from a communicating party in an optical space transmission system that transmits and receives the light beams to/from the communicating party, comprises, in order to furt... | 01/16/2001 |
| 5923452 | Laser satellite communication system A laser communication system adapted for use in a satellite communication system. The satellite carries a laser communication system. The laser communication system includes a plurality of active and passive optical elements packaged in a monolithic, or s... | 07/13/1999 |
| 5646761 | Wireless communication system A wireless communication system, having first and second communication units located, in operation, in spaced-apart relationship to each other, each unit including a transmitter and a receiver, the first unit including a transmitter for transmitting infor... | 07/08/1997 |
| 5475520 | Satellite communications system A satellite communications system. The inventive system (10) includes an arrangement (11) disposed on a first satellite for transmitting a plurality of unidirectional beams of electromagnetic radiation (32, 34, 36 and 38). Each beam is transmitted by an o... | 12/12/1995 |
| 5448391 | Optical atmospheric link system An optical atmospheric link device which is adapted to quickly correct the incident position of a light beam with high follow-up accuracy. Incident position detection signals are generated by an optical beam incident position detector in correspondence to... | 09/05/1995 |
| 5282073 | System of optical communications between moving stations and corresponding communications method In a system of optical communications that can be used by air or space vehicles, each station comprises at least one optical system covering a half space, this system comprising two twinned optical devices to respectively form two distinct reception chann... | 01/25/1994 |
| 5218467 | Multi-access laser communications transceiver system A satellite system for optical communications such as a multi-access laser transceiver system. Up to six low Earth orbiting satellites send satellite data to a geosynchronous satellite. The data is relayed to a ground station at the Earth's surface. The e... | 06/08/1993 |
| 5119225 | Multiple access communication system A multiple access communications system comprises a node spacecraft GEO and several user spacecraft LEO1 to LEOn. Each user spacecraft LEO1 to LEOn includes a transmit/receive terminal head 181 to 18 | 06/02/1992 |
| 5114227 | Laser targeting system A laser targeting system comprises an airborne reconnaissance platform (1) disposed to conduct surveillance of enemy air, ground, and/or sea targets (5). The surveillance means (11) can be some combination of FLIR, laser, or radar devices. Platform (1) ma... | 05/19/1992 |
| 5065455 | Optical atmospheric link system In an optical atmospheric link system for transmitting a light beam carrying an information signal between a transmitter and a receiver which is located apart from the transmitter, the transmitter includes a light source for generating the first light bea... | 11/12/1991 |
| 4867560 | Optical alignment system In systems such as satellite communication systems and laser machining systems in which accurate focusing of a communications beam or a machining laser beam is critical, a dual-beam optical alignment system provides automatic compensation for variations i... | 09/19/1989 |
