Class / Patent application number | Description | Number of patent applications / Date published |
398126000 | Specific repeater | 8 |
20100028013 | IMAGE PROCESSING SYSTEM AND CONTROL METHOD THEREOF - Provided are an image processing system and method thereof which communicates with an external image source device, the image processing system including: a display device which receives a modulated remote control signal modulated by a modulation method and demodulates the modulated remote control signal to generate a demodulated remote control signal and transmits the demodulated remote control signal; and a relay device which receives the demodulated remote control signal and modulates the demodulated remote control signal according to the modulation method to output an output remote control signal to the external image source device. | 02-04-2010 |
20100080566 | MULTI-CHANNEL OPTICAL RELAYS FOR ENABLING A NETWORKED COMMUNICATIONS SYSTEM - A free-space optical communications network for allowing a plurality of geographically-distributed users to communicate may include free-space multi-channel relay converters for tracking a plurality of users, and a connection system in communication with each of the plurality of multi-channel relay converters. The connection system may include an internal alignment reference and steering mirrors. Each free-space multi-channel relay converter may be adapted to align with the internal alignment reference. The connection system may be adapted to align the plurality of free-space multi-channel relay converters with one another to allow the plurality of geographically-distributed users to communicate. | 04-01-2010 |
20120134679 | DATA TRANSMISSION NETWORK - A data transmission network comprising: a base comprising: a base light source and a base light detector; a plurality of nodes, each node comprising a node light source and a node light detector; and a plurality of optical fibres arranged to form a optical fibre network. Each optical fibre is arranged to receive light from the base light source, transmit the light received from the base light source to one or more of the node light detectors via an air gap, receive light from one or more of the node light sources via an air gap, and transmit the light received from the node light source(s) towards the base light detector. | 05-31-2012 |
20120219299 | METHOD AND SYSTEM FOR OPTICAL COMMUNICATION - An optical transmission system is described. The transmission system comprises a plurality of modules that include signal repeaters at each end. Within each module, optical signals are propagated between the repeaters through free space. Adjacent modules are connected by optical fibers to enable optical transmission therebetween. Adjacent modules are mechanically coupled with a flexible joint. | 08-30-2012 |
20140294399 | LASER RELAY FOR FREE SPACE OPTICAL COMMUNICATIONS - A laser relay module for free space optical communications including an optical telescope for receiving and transmitting optical beams; an optical diplexer for separating transmitting and received optical beams; an optical amplifier; a modulated beacon laser for line of sight control of a plurality of communicating remote network nodes; a beacon beam detector for detecting an incoming beacon optical beam for line of sight control of the optical telescope and receiving data from other network nodes; and means for inserting an output of the modulated beacon laser into the optical telescope for transmission to another network node, and for transporting the incoming beacon optical beam to the beacon detector. | 10-02-2014 |
20140301738 | CONTROLLING BRIGHTNESS OF LIGHT SOURCES USED FOR DATA TRANSMISSION - A method includes receiving a transmitted code via visible light communication from a light source. The transmitted code is decoded using a translation table. The translation table indicates raw data corresponding to the transmitted code as well as a duty cycle corresponding to the transmitted code. | 10-09-2014 |
20150365173 | WORKER MANAGEMENT DEVICE, WORKER MANAGEMENT SYSTEM, AND WORKWEAR - A worker management device that manages a worker wearing workwear includes: a main body; a light receiver that is provided on a part of the main body that is exposed when the main body is attached to the workwear, and receives light including predetermined identification information; a controller connected to the light receiver; and a communication unit connected to the controller. | 12-17-2015 |
20160119059 | SYSTEM AND A METHOD FOR FREE SPACE OPTICAL COMMUNICATIONS - Diversity combining schemes have been extensively used in wireless and free space optical communication systems. The present invention of a system and method for free space optical communications where multiple gain combiner (MGC) provides a better performance as compared to selection combining (SC) and equal gain combining (EGC) and can also be used for wireless applications. It also gives a cost effective solution with a minimal degradation in quality when maximal ratio combining (MRC) is compared in terms of hardware complexity and implementation cost. There is no need for present channel state information. Also, Adaptive weight adjustment is not required in present invention. Therefore, the MGC of system and method disclosed in the present invention is a simple, cost effective and high performance diversity combiner. | 04-28-2016 |