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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8160449 | Electronic apparatus A system including a device equipped with a reception section, a reception condition detection section and a control section. A partner device emits laser light and modulates the laser light in accordance with transfer subject information. Relative positions of the ... | 04/17/2012 |
| 8009991 | Dynamic optical signal tracking on a detector array in a free space optical communication system A free-space optical communication system includes a detector array having a plurality of detector elements and a transmitting source. Dynamic movement of the optical signal on the detector array is caused by changes in orientation of the transmitting source. A trac... | 08/30/2011 |
| 8005366 | Reconnection method in peripheral interface using visible light communication A reconnection method and device for a peripheral interface using VLC provide a protocol for when a communication link between a primary device and a secondary device is disconnected. The primary device generates an R-XID message including reconnection information a... | 08/23/2011 |
| 7805080 | Optical interconnect An optical interconnect has a plurality of optical data sources, a plurality of optical data receivers, a diffractive optical element configured to diffract an optical beam from at least one alignment optical source to at least one sensor, and an aligning element co... | 09/28/2010 |
| 7751716 | Open-path/free-space optical communication system and method using reflected or backscattered light An open-path/free-space optical communication system using reflected light has modulated optical or laser sources and provides communication between the modulated source and a detector in an obstructed line-of-sight relationship. The system detects backscattered lig... | 07/06/2010 |
| 7616897 | Data port alignment of free space optical communications terminal with adaptive optics An approach for aligning an adaptive optics module and a data port in a free space optical communications terminal. A wavefront sensor in the adaptive optics system is aligned to a reference port. The data port is also aligned to the reference port. In this way, ali... | 11/10/2009 |
| 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 spread smaller than that of the dummy light on the same optical axis, ou... | 07/21/2009 |
| 7489871 | Light detection apparatus and free space optics communication apparatus A free space optics communication apparatus which performs optical axis correction with high accuracy is disclosed. The free space optics communication apparatus of the present invention includes a first light receiving element and a second light receiving element, ... | 02/10/2009 |
| 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 |
| 7424225 | Systems and methods for implementing contention-based optical channel access A first node (205) in a network includes a non-optical transceiver (415) and an optical subsystem (410). The non-optical transceiver (415) sends a request message to establish an optical link from the first node (205) to a second n... | 09/09/2008 |
| 7423767 | Method and apparatus for transmitting energy via a laser beam To transmit energy without direct mechanical or electrical contact, a transmitter unit emits a laser beam onto a radiation receiver of a receiver unit including a photovoltaic cell arrangement surrounded by a ring-shaped reflector. A portion of the laser beam is ref... | 09/09/2008 |
| 7421185 | Optical receiving device, free space optics transmission apparatus, receiving apparatus An optical receiving device includes an optical receiving element and a light collecting portion having an output surface close to or in contact with the optical receiving surface of the optical receiving element. The dispersion plane at an arbitrary point on the li... | 09/02/2008 |
| 7415002 | Circuit synchronization over asynchronous links A device that synchronizes circuits over asynchronous links is disclosed. Some embodiments of the invention include a device that comprises a plurality of circuits. One of the plurality of circuits is designated as a “master” circuit. The master circuit is confi... | 08/19/2008 |
| 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 |
| 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 |
| 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 is created between transmitting and receiving units, wherein the rec... | 06/17/2008 |
| 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 receive beam separation mirror is positioned in the receive beam path but ... | 04/29/2008 |
| 7366420 | Optical transmission device An optical transmission device for providing stable communication with a partner device by reducing errors in optical axis misalignment. Such errors are caused by uneven distribution of the light intensity in a received light beam resulting from atmospheric microsco... | 04/29/2008 |
| 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 track to insure acquisition of the transmitted data signals. ... | 04/15/2008 |
| 7359434 | Programmable PHY for broadband wireless access systems A system and method for communication between a wireless modem and wireless hub on a selected downstream channel of a plurality of downstream channels is provided. The selected downstream channel is selected by the wireless modem after receiving communication parame... | 04/15/2008 |
| 7356261 | Optical wireless communications system An optical wireless communications system has a first optical wireless communications apparatus for transmitting a pilot beam and a second optical wireless communications apparatus for receiving the pilot beam to have a match for an optical axis of the first optical... | 04/08/2008 |
| 7347543 | Image forming apparatus An image forming apparatus is featured with excellent operability of storage at the time of non-use, as well as excellent operability of charging the battery, in addition to such advantages as thin and battery-driven, and preferably suitable for portable use. A crad... | 03/25/2008 |
| 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 |
| 7336903 | Optical wireless transmission apparatus There is disclosed an optical wireless transmission apparatus in which a pilot light emitting section of a receiving/emitting section sends a pilot light in a wavelength region of 930 nm to 960 nm to a target apparatus, and a light receiving device having a light re... | 02/26/2008 |
| 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 that end, the data signal first is synchronized to a clock signal to p... | 02/12/2008 |
| 7318551 | Y-adapter with embedded wireless port An improved way to add a wireless peripheral to existing digital systems is taught. A small adapter is suitable for use suspended inline with the cables attached to it. The adapter has an embedded wireless port for receiving data from a wireless peripheral. The adap... | 01/15/2008 |
| 7317876 | Medium access control for retro-reflectors A method, a device and a system for communications to and from a retro-reflector device (302) is provided. The retro-reflector device (302) receives a first frame (400) encoded in an input beam (106). The retro-reflector device (302 | 01/08/2008 |
| 7311409 | Two axis independent driven single hinged gimbaled mirror beam steerer A beam steerer comprising a mirror, a joint, and two linear actuators. The joint, which is attached to a periphery of the mirror is rotatable about two perpendicular axes. The linear actuators control rotational movement of the mirror about the two axes. A laser bea... | 12/25/2007 |
| 7295777 | Optical/radio local access network A communication system includes a plurality of nodes and a plurality of point-to-point links that interconnect the plurality of nodes into a network. Each node includes an optical switch to controllably route a plurality of in-ports of the optical switch into a plur... | 11/13/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7274877 | Optical/radio local access network A communication system includes a plurality of nodes and a plurality of point-to-point links that interconnect the plurality of nodes into a network. Each node includes an optical switch to controllably route a plurality of in-ports of the optical switch into a plur... | 09/25/2007 |
| 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 |
| 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 |
| 7242476 | Alignment measuring system and method of determining alignment in a photolithography process An alignment measuring system includes a focusing diode, a light source, an image sensor, first and second splitters, and a controller. The first splitter directs a portion of light from the light source toward a wafer, and directs light returned by the wafer to the... | 07/10/2007 |
