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Patent # Description
US-8,139,958 Frequency-domain equalization of the fiber optic channel
Systems and methods for frequency-domain compensation in optical communication systems. In pre-equalization embodiments, the transmitter transforms the data...
US-8,139,957 High sensitivity optical receiver employing a high gain amplifier and an equalizing circuit
An optical receiver includes a light receiving element for converting an optical signal to an electrical signal having a first bandwidth and an amplifier for...
US-8,139,956 Bi-directional signal transmission system using a dual-purpose pin
A signal transmission system in accordance with the invention is implemented using a dual-purpose pin of an optical sub-assembly. The dual-purpose pin is used...
US-8,139,955 Method and system for controlling driving current of WDM-PON optical transmitter
The present disclosure relates to a WDM-PON optical transmitter; and, more particularly, to a system for controlling a driving current of the WDM-PON optical...
US-8,139,954 System and method for reducing memory requirements for electrical domain compensation of intra-channel...
A digital filter is provided for processing an electrical input signal to be conveyed through an optical communications system. The processing generates a...
US-8,139,953 Signal transmission device, signal reception device, test module, and semiconductor chip
There is provided a signal transmission device which transmits, in the form of an optical signal, multivalued data which shifts through three or more plurality...
US-8,139,952 System and method for measuring the extinction ratio of an optical transmitter using an interferogram...
Systems and methods are described that derive a relationship between an optical transmitter's extinction ratio (E.sub.r) and its interferogram wing-to-peak...
US-8,139,951 Fiber-optic long-haul transmission system
An ultra-long fiber-optic transmission system is configured in accordance with the current telecom standards and particularly advantageous for transmission data...
US-8,139,950 Passive optical network system, optical line terminator and, communication method of passive optical network system
A passive optical network system (PON) has a plurality of OLTs and ONUs with different transmission rates. OLTs with different transmission rates share...
US-8,139,949 Electrical signal transmission module, method of transmitting electric signals and electrical inspection...
An electrical signal transmission module includes a plurality of optical signal lines and a plurality of electrical signal lines. The plurality of optical...
US-8,139,948 Process and system for providing electrical energy to a shielded medical imaging suite
A process and system are disclosed for supplying electrical energy to a device located in a room housing an imaging system (such as an MRI system, for example),...
US-8,139,947 Optical transmission apparatus with clock selector
An optical transmission apparatus includes a first transceiver unit coupled to a first node, a second transceiver unit coupled to a second node, an electrical...
US-8,139,946 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...
US-8,139,945 Methods and systems for synchronized infrared real time location
Methods and systems for determining a location and an identity of a portable device are provided. The system includes apparatus for transmitting timing...
US-8,139,944 Method and apparatus for clearing an optical channel
A method and apparatus for clearing an optical channel for transmitting data through free space between a first and second location includes a light beam,...
US-8,139,943 Optical communication apparatus and optical communication method
An optical communication apparatus is disclosed. The optical communication apparatus includes a light transmission section, a light reception section, and a...
US-8,139,942 Remote controlling system, electronic device, and controlling method
A remote controlling system is disclosed. An infrared remote controller generates a first serial signal containing a command corresponding to a user's operation...
US-8,139,940 Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein
There is provided a wavelength division multiplexing transmission system and apparatuses used therein, in which a remote apparatus to be newly added to a...
US-8,139,939 Upgradeable passive optical network
A passive optical network is upgraded by a subsystem PON2 for additional high speed communication. The additional subsystem PON2 enables independent high speed...
US-8,139,938 Hierarchical routing query method of automatic switched optical network
A hierarchical route inquiry method in Automatic Switched Optical Network is applied to the networks having multi-layer route domains. According to the method,...
US-8,139,937 Automatic optical power control method for OLT in PON
Provided is an automatic optical power control method for an optical line terminal (OLT) of a passive optical network (PON). The automatic optical power control...
US-8,139,936 Method and apparatus of routing convergence in control plane of an intelligent optical network
The embodiments of the invention provide a method of routing convergence in a control plane of an intelligent optical network, which includes: a function unit...
US-8,139,935 3D camera with foreground object distance sensing
There is disclosed a stereographic camera system and a method of operating a stereographic camera system. The stereoscopic camera system may include a left...
US-8,139,934 Close-up photograph device
A photograph device is provided. The photograph device includes a body, a lens device mounted on the body, and an illuminating device mounted on the body and...
US-8,139,933 Imaging device
A metal pin is inserted into a hole cylindrically formed in a camera casing so as to be in contact with a shape-memory actuator. The metal pin and the...
US-8,139,932 Imaging system and method
An optical imaging system is provided for an airborne platform or the like, including an image acquisition unit having an optical axis and configured for...
US-8,139,931 Method and apparatus for preventing ice formation in a wet saw basin
A saw bath ice formation preventing method includes the positioning of a heating member in a basin having water positioned therein. A wet saw is mounted to the...
US-8,139,930 Information recording medium, device and method for playing back 3D images
A recording medium allows random access to be performed in playing back 3D graphics. The recording medium includes a digital stream area where a digital stream...
US-8,139,929 High-resolution optical disk for recording stereoscopic video, optical disk reproducing device, and optical...
An optical disk for recording stereoscopic videos and high-quality video signals and a system for reproducing the videos and signals from the optical disk are...
US-8,139,928 Method of creating playback control file for recording medium and method and apparatus for reproducing data...
A method of creating the playback control file for a recording medium and a method and apparatus for reproducing data using the playback control file are...
US-8,139,927 Information recording apparatus and information recording method
An information recording apparatus includes a recording medium receiver to receive a recording medium whereon information may be recorded by the apparatus and a...
US-8,139,926 Reproduction apparatus, reproduction method, reproduction program, record medium, and data structure
A reproduction apparatus has a player section, a content reproduction section, an interface section. The player section has a read section reading data from the...
US-8,139,925 Recording medium, playback device, and integrated circuit
Provided is a recording medium that enables seamless connection between preceding playitems which are stream data arranged prior to a position where a long jump...
US-8,139,924 System and method for digital content retrieval
Flexibility with respect to access and enjoyment of time shifted content in a content distribution network is provided, especially with regard to content not...
US-8,139,923 Playback of recorded streaming delta-encoded data
Apparatus having corresponding methods and computer-readable media comprise a circuit adapted to receive a seek time for a first stream of delta-encoded data...
US-8,139,922 Playback apparatus and method, program, recording medium, data structure, and manufacturing method for...
A playback apparatus includes an obtaining unit obtaining playback management information including a main playback path of a main stream set, a first sub...
US-8,139,921 Program recording reservation system and remote controller
A program recording reservation system includes a recording apparatus including a recorder for recording a broadcast program; and a remote controller for making...
US-8,139,920 Reducing playback time differences when joining moving images of different formats
A moving image editing device which uses a smart rendering scheme whereby the variation of playback time is minimized even when editing material data with a...
US-8,139,919 Light table editor for video snippets
A light table video application includes a stackable video snippet player control, a filmstrip video snippet player control, and a timeline video snippet player...
US-8,139,918 Recording medium editing apparatus based on content supply source
An editing apparatus wherein the editing of content is controlled according to its supply source. Identification information for identifying a content supply...
US-8,139,917 Information recording medium, information recording device and method, information reproduction device and...
An information record medium comprises video information for indicating a main-video, sub-video information for indicating a sub-video which can be displayed at...
US-8,139,916 Recording medium containing moving picture data and additional information thereof and reproducing method and...
The present invention relates to a recording medium containing moving picture data and additional information thereof and to reproducing method and apparatus of...
US-8,139,915 Recording medium, recording method, reproduction apparatus and method, and computer-readable program
An AV Clip generated by multiplexing a video stream and a graphics stream is recorded on a BD-ROM. The graphics stream includes a plurality of DSs (Display...
US-8,139,914 Enclosure for housing splice trays
An enclosure for housing splice trays, including a convex bracket extending between two internal sections of the enclosure, the bracket having a track extending...
US-8,139,913 Modules including multiple rows of adapters for high density optical fiber distribution frame
A fiber optic telecommunications frame is provided including termination modules positioned on left and right sides of the frame. The frame further includes...
US-8,139,912 Double clad optical fiber having ring core surrounding core for high power operation
An optical fiber apparatus having a wavelength of operation comprises an optical fiber comprising a core; a pump cladding disposed about the core for receiving...
US-8,139,911 Light-illuminating probe and fundus observing apparatus, fundus surgery apparatus, endoscope, and catheter...
A light-illuminating probe with increased spatial spread of an external illumination light and a fundus observing apparatus, a fundus surgery apparatus, and an...
US-8,139,910 Systems and methods for control of ultra short pulse amplification
A method of controlling an ultra-short pulse system is described comprising controlling an optical power within the ultra-short pulse system and control-system...
US-8,139,909 Illuminator method and device
A first toroidal ray guide defines an axis of revolution and has a toroidal entrance pupil adapted to image light incident on the entrance pupil at an angle to...
US-8,139,908 Modular lighting system
A system includes first and second light collecting modules, each having a window and an optical fiber which receives light flowing through the window. The...
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