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US20110064416 APPARATUS AND METHOD FOR GENERATING HIGH RESOLUTION FRAMES FOR DIMMING AND VISIBILITY SUPPORT IN VISIBLE LIGHT COMMUNICATION  
For use in a visible light communication (VLC) network, a method for generating high resolution visibility frames for visibility or dimming support. The method includes determining a required...
US20110300804 STRUCTURE OF INCOMING CALL NOTIFYING WATCH  
An incoming call notifying watch is worn on a wrist of a user and includes a case unit, a receiver unit, and an alarm unit. The case unit forms an interrior space receiving a timing device threin...
US20110227706 EAS Tag with Wrapping Tethers and Cover  
An electronic article surveillance (EAS) system is comprised of a first EAS housing and a second EAS housing, each having electrically conducting tethers and a cover to hold the housing in place...
US20130308955 Coding Scheme And Method For A Colour-Shift-Keying Constellation In A Visible-Light Communication System  
A coding scheme for a colour-shift-keying constellation in a visible-light communication system is provided, whereby a minimum number of flipped bits between symbols assigned to neighbouring...
US20140161465 SYSTEM AND METHODS FOR OBTAINING UBIQUITOUS NETWORK COVERAGE  
Implementations described and claimed herein provide a system and methods for determining a minimum number of communication nodes to substantially cover a particular geographical area and for...
US20150195036 WIRELESS NETWORK SYSTEM, WIRELESS DEVICE, AND NETWORK REGISTRATION METHOD OF THE WIRELESS DEVICE  
A method of registering a wireless device located in premises in a wireless network which is constructed in the premises. The method includes receiving a light signal, which includes network...
US20120230698 Wireless network system, wireless device, and network registration medthod of the wireless device  
A method of registering a wireless device located in premises in a wireless network which is constructed in the premises. The method includes receiving a light signal, which includes network...
US20120114327 METHOD AND APPARATUS FOR ADAPTIVE OPTICAL WIRELESS COMMUNICATION  
An optical wireless communication device having a PhotoDiode (PD) for photosensitive detection means, receives a guide message from a specific optical wireless communication device, determines any...
US20150171968 FREE SPACE OPTICAL TRANSCEIVER  
A free-space optical (FSO) transceiver can include a link predictor configured to estimate conditions for an FSO link over a window of time in the future. The FSO transceiver can also include a...
US20120321321 METHODS OF COMMUNICATION UTILIZING AN LED LAMP  
Operation of an LED as a light source may be temporarily interrupted to facilitate receipt and/or transmission of optical communications, as well as control of the operation of the LED based thereon.
US20130308954 METHOD AND APPARATUS WITH ERROR CORRECTION FOR DIMMABLE VISIBLE LIGHT COMMUNICATION  
An apparatus and method using error correcting for visible light communication are provided. The error correction includes generating an encoded message from an original message by using a...
US20100040372 WIRELESS OVER PON  
A system for communicating wireless signals includes a passive optical network (PON) between a central office (CO) and network subscribers. The CO has an optical line terminal (OLT) and a wireless...
US20090196613 METHOD AND DEVICE FOR MODULATING THE LIGHT EMISSION OF A LIGHTING DEVICE  
The invention relates to controlling a lighting device, particularly to the modulation of light generated by a solid state lighting (SSL) device. The invention provides a method and device for...
US20150043924 MOBILE TERMINAL CAPABLE OF LOCALIZATION, LOCALIZATION SERVER AND METHOD FOR LOCALIZING THE MOBILE TERMINAL USING THE LOCALIZATION SERVER  
A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server...
US20130136456 MOBILE TERMINAL CAPABLE OF LOCALIZATION, LOCALIZATION SERVER AND METHOD FOR LOCALIZING THE MOBILE TERMINAL USING THE LOCALIZATION SERVER  
A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server...
US20090016718 WIRELESS DISTRIBUTION OF PASSIVE OPTICAL NETWORK SIGNALS  
Systems, methods, and software are described for wirelessly distributing data from a Passive Optical Network (PON). The system includes a PON for transmitting an optical signal. The system further...
US20070206188 Cyclops a 4-dimensional planetary scanning laser imaging telescope  
Similar to a laser copier and fiber optics this system scans planetary objects in deep space this 940 mm invisible laser system is programmable multitasking and moves at light speed to its...
US20140328599 Network Security and Variable Pulse Wave Form with Continuous Communication  
A pulsed light communication device has a plurality of indicator light emitting diodes emitting diodes emitting at least one of a plurality of wavelengths of colored light to correspond to a...
US20050063706 Deep space communications network  
A system and method of deep space communication between a deep space location and Earth which includes communicating between a planetoid and the deep space location via an optical communications...
US20150125156 ONU WITH WIRELESS CONNECTIVITY CAPABILITY  
The embodiments herein relate to a method in an optical network unit, referred to as an ONU, for providing wireless connectivity capability to the ONU. The ONU is comprised in a communications...
US20140270792 Apparatus and Methods of Displaying Messages for Electronic Devices  
An apparatus of transmitting messages from an electronic device and display it on a mobile device, and a method of doing the same are disclosed. An exemplifying electronic device has an encoder to...
US20070127926 Free space optical conditioner  
An optical communications terminal, comprising: an optical telescope (e.g. a dual mirror Ritchie-Chretien telescope); a transmitter unit including at least one transmitter coupled to source of...
US20140086587 LIGHT RECEIVER POSITION DETERMINATION  
A light array includes lights that transmit modulated light to indicate their unique light identifiers (IDs) and lights that transmit unmodulated light. A light receiver records images of the...
US20110243562 METHOD AND APPARATUS FOR INTEGRATED WAVEGUIDE TRANSMIT-RECEIVE ISOLATION, FILTERING, AND CIRCULAR POLARIZATION  
An radio is provided for transmit-receive isolation filtering and circular polarization (INTRIFPWA) that are sealed within a metal housing of a transmitter, which can be used in microwave...
US20070160373 Distributed illumination and sensing system  
A method and system of distributed illumination and sensing, the system including devices, each device including an emitter to emit at least one of light and sound, a sensor to receive an indirect...
US20150071644 Protocols for visible light communications  
The invention relates to the field of IEEE 802.15.4 based networks, and in particular to methods and devices for transmitting and receiving messages in IEEE 802.15.4 based networks. The existing...
US20050031351 Communication system by terminal with no power supply  
A communication system includes a power-sourceless terminal (10) and a transmitting station (20). The power-sourceless terminal includes a photoelectric conversion section for receiving an...
US20090196622 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...
US20140050486 Dielectric Resonator Driven Near Field Transducer  
An optical device includes a near field transducer; and a dielectric resonant structure coupled to the near field transducer; wherein the dielectric resonant structure comprises a dielectric...
US20050196170 Method and apparatus for free space optical communication using incoherent light  
A method and apparatus is described for a free space optical communication link that transmits and receives an optical signal using phase incoherent light. In one embodiment, the phase incoherent...
US20080056723 Multiple access free space laser communication method and apparatus  
An optical system may be configured as a receiving or as a transmitting system. As a receiving system, it is configured to receive at least one incident laser beam and project the beam into a spot...
US20150003836 VISIBLE LIGHT COMMUNICATION SYSTEM  
The visible light communication system includes: a lighting fixture to send unique identification information by visible light communication; a receiver having a correction mode; and a server. In...
US20050259991 Method of establishing communication through free space between a pair of optical communication devices  
A method is disclosed for establishing communication through free space between a pair of optical communication devices. A divergent beam is transmitted from each of the optical communication...
US20090090847 OPTICAL SEMICONDUCTOR DEVICE AND INFRARED DATA COMMUNICATION APPARATUS  
An optical semiconductor device converts a light signal into an electric signal and amplifies the converted electric signal, and includes: a photodiode which converts a light signal into a current...
US20100092180 HIGH POWER EFFICIENCY OPTICAL-WIRELESS TRANSMITTER  
Provided is a high power efficiency optical-wireless transmitter capable of solving problems of low power efficiency, signal distortion due to non-linearity of output, large number of connection...
US20150139660 METHOD OF VISIBLE LIGHT COMMUNICATION USING ILLUMINANCE SENSOR AND MOBILE COMMUNICATION TERMINAL FOR THE SAME  
According to one embodiment, a photo detector-combined illuminance sensor includes a circuit for a Photo Detector (PD) function to detect the illuminance of the ambient environment. The...
US20130016978 METHOD OF VISIBLE LIGHT COMMUNICATION USING ILLUMINANCE SENSOR AND MOBILE COMMUNICATION TERMINAL FOR THE SAME  
According to one embodiment, a photo detector-combined illuminance sensor includes a circuit for a Photo Detector (PD) function to detect the illuminance of the ambient environment. The...
US20080212970 NON-LINE OF SIGHT OPTICAL COMMUNICATIONS  
A non-line of sight (NLOS) communications system and method are provided. An ensemble of photodetectors is used to collect the light, scattered in the sky being illuminated by initial pulsed laser...
US20070065150 Secure optical communication  
The present invention relates to a secure optical communication scheme. The differential delay D in an unbalanced Mach-Zehender interferometer results in two copies of the optical source signal at...
US20100034540 VISIBLE LIGHT TRANSMITTER, VISIBLE LIGHT RECEIVER, VISIBLE LIGHT COMMUNICATION SYSTEM, AND VISIBLE LIGHT COMMUNICATION METHOD  
A visible light communication system having a transmission apparatus for modulating a transmission signal to a multiple-value number and a reception apparatus for demodulating a multiple-value...
US20090208221 OPTICAL SPACE TRANSMISSION SYSTEM USING VISIBLE LIGHT AND INFRARED LIGHT  
There are provided a first modulation section for performing low-speed digital modulation of first data; a second modulation section for performing high-speed digital modulation of second data; a...
US20140186048 INFORMATION COMMUNICATION METHOD  
An information communication method that enables communication between various devices includes: determining a pattern of the change in luminance by modulating the signal to be transmitted; and...
US20140255040 PHOTONIC-CRYSTAL SLAB ABSORBER AND HIGH-FREQUENCY CIRCUIT AND ELECTRONIC COMPONENTS, AND TRANSMITTER, RECEIVER AND PROXIMITY WIRELESS COMMUNICATION SYSTEM  
The photonic-crystal (PC) slab absorber includes: a two-dimensional (2D)-PC slab composed of semiconducting materials; and a lattice point periodically arranged in the 2D-PC slab, the lattice...
US20050249502 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...
US20150229393 INFORMATION COMMUNICATION METHOD  
An information communication method is provided for transmitting a signal using a change in luminance. The information communication method includes determining a pattern of the change in...
US20090185808 OPTICAL COMMUNICATION DEVICE AND METHOD OF MANUFACTURING THE SAME  
An optical communication device contains a semiconductor chip that performs wireless communication and a wireless-signal-and-optical-signal conversion chip substrate that mounts the semiconductor...
US20100098426 Electro-Optical Power Level Controller for Free-Space Optical Communication Links  
Systems and methods are described for automatically controlling the received power in an optical fiber connected to a free-space optical communications terminal. The system effectively reduces the...
US20090210203 Cell-planning method for wireless optical communication system  
A cell-planning method for a wireless optical communication system includes: implementing a target region for constructing a wireless optical communication system as a virtual space; disposing a...
US20150162955 NEAR-FIELD CONNECTIVITY FOR HOSTED PAYLOADS  
A system and method for wirelessly communicating between a host bus of a spacecraft and a secondary payload. In one configuration, the host bus and secondary payload each include a wireless...
US20090169215 LIGHTING DEVICE  
The invention relates to A method for a lighting device, in particular for a display device such as a LCD-TV, projector etc., generating radiation including at least visible light for illumination...

Matches 1 - 50 out of 350 1 2 3 4 5 6 7 >