Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8139946 | Apparatus and method for transmitting data in wireless visible light communication system Disclosed is a method for transmitting data in a wireless visible light communication system, the method including the steps of transmitting a pilot signal for obtaining channel state information according to each channel from a transmitter to a receiver, and transm... | 03/20/2012 |
| 8135281 | Free space optical connector A Free Space Optics (FSO) connector is provided with a method for interfacing to an electronic circuit card electrical connector via the FSO connector. The method transceives electrical signals via an electronic circuit card electrical connector. Using an FSO connec... | 03/13/2012 |
| 8121488 | Infrared communication apparatus and infrared communication method An infrared communication apparatus and method enabling data communication with a receiving device, regardless of a protocol with which the receiving device is compatible. A transmitting unit transmits a first packet to inquire whether a receiving device is compatib... | 02/21/2012 |
| 8095014 | Method and apparatus for enhanced free space optical communication in an aviation environment A free space optical communications link is established, for example, between a commercial aircraft and an airport ground terminal unit, the link being asymmetric in the sense that a downlink to the aircraft has a much higher bandwidth than the reverse link from the... | 01/10/2012 |
| 7991293 | Unified optical connector architecture A system, device, and method are disclosed. In one embodiment the system includes an optical link and a peripheral device optically coupled to the optical link. The system also includes a host controller, such as a graphics, network, or I/O controller. The system al... | 08/02/2011 |
| 7881614 | Optically connecting computer components A central component of a processor based system, the central component including a processor and an optical interface to transmit data encoded as an optical signal to an optical interface of an external component of the processor based system, and to receive data en... | 02/01/2011 |
| 7813644 | Optical device with a steerable light path A steerable-light-path optical device includes a light transceiver having an external light path associated therewith, and a path-steering device that controls the direction of the light path relative to a steering axis. The path-steering device has a first beam-dev... | 10/12/2010 |
| 7657184 | Interactive vehicular communication system, particular between cars and its method of use An interactive vehicle communication system, particularly for communication between motor vehicles, comprises a communication device (2) which may be placed on a stationary support (3) or a vehicle (4) traveling on a roadway and a receiver devic... | 02/02/2010 |
| 7639951 | Contents-delivery system, contents-transmission device, contents-reception device, and contents-delivery method A contents-delivery system has a contents-transmission device transmitting the contents, and a contents-reception device receiving the contents from the transmission device. A first communication device performs communication from the transmission device to the rece... | 12/29/2009 |
| 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 field devices is evaluated prior to activation of the transmitter and/or ... | 09/22/2009 |
| 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 tunable optical receiver for processing a receive laser beam received from... | 09/08/2009 |
| 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 signal (CLK1) is generated on the basis of said common ... | 12/02/2008 |
| 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 inductor has a first lead, a second lead and a tap. The first lead is... | 10/28/2008 |
| 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 communication with the optical transmitter, and a controller assembly... | 10/14/2008 |
| 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 drive signal from an input signal and delivers the differential drive s... | 09/09/2008 |
| 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 light beam is proportional to the signal current. The modulated light b... | 09/02/2008 |
| 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 section transmits data by flashing at a flashing pattern representing the... | 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 |
| 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, the programmable decoder decodes frames of an IR data transmission to p... | 07/01/2008 |
| 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 |
| 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 IrDA compliant communication interface. The transmitter communicates wi... | 06/10/2008 |
| 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 station is located geographically separated from a first user. The first t... | 05/13/2008 |
| 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, when each of the said transceivers contains one optical transmitter (em... | 05/06/2008 |
| 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 |
| 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 |
| 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 least first and second optical couplers, each including a photon flu... | 04/15/2008 |
| 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 a printed circuit board associated with the module. Transmitting and... | 04/08/2008 |
| 7340179 | Support of dual infrared remote signaling protocols A system and method for supporting two infrared signaling protocols in a single computing device is provided. The computing system operates in a default mode unless a priority signaling request is generated by an application program. Priority signaling requests are ... | 03/04/2008 |
| 7340279 | Wireless communications with an adaptive antenna array Systems and techniques for parallel demodulation and searching using an adaptive antenna array with a processor configured to control the adaptive antenna to search for a first signal with the first beam and to receive a second signal for demodulation with a second ... | 03/04/2008 |
| 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 |
| 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 the start of a steering signal to match a predetermined time interval s... | 02/19/2008 |
| 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 |
| 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 optical pulses to send data up to 1 Mbit/sec; this has the concomitant ... | 02/12/2008 |
| 7328170 | Multi-device supervisor support for self-checkout systems A customer self-checkout system includes one or more checkout stations and multiple supervisor terminals. The supervisor terminals provide support to, and control over, the self-checkout system and checkout stations. The supervisory terminals may be wireless termina... | 02/05/2008 |
| 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 from the light transceiver and controllably reflects the light beam b... | 12/11/2007 |
| 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 coupled to the two light sources. The lens is shaped to direct light from... | 11/27/2007 |
| 7295783 | Digital optical network architecture A digital optical network (DON) is a new approach to low-cost, more compact optical transmitter modules and optical receiver modules for deployment in optical transport networks (OTNs). One important aspect of a digital optical network is the incorporation in these ... | 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 |
| 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 |
