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Class 725/144 - Headend


Subclass of Class 725 - Interactive video distribution systems
Definition: Subject matter comprising means or steps for a central
No. of patents: 173
Last issue date: 02/08/2011


1          
NumberTitleIssue Date
7886331Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. A...
02/08/2011
7882534Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. A...
02/01/2011
7831994Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. A...
11/09/2010
7814530Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. A...
10/12/2010
7814529Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. A...
10/12/2010
7757265System and method for local meta data insertion
A data modification system and method for selective insertion of local meta data into an incoming data stream, the incoming data stream having a video data component and a meta data component. The data modification system comprises an incoming data terminal, a local...
07/13/2010
7743402Data broadcast program transport stream (TS) transmission device, related method, computer program and storage medium, distribution device and distribution system
A data broadcast program transport stream (TS) transmission device provided in a broadcast station, and for transmitting a data broadcast program TS based on a data broadcast program TS distributed over a network by another broadcast station. The data broadcast prog...
06/22/2010
7434242Multiple content supplier video asset scheduling
An apparatus and method for allocating management functions within an interactive information distribution system between service providers and content providers whereby content providers lease respective portions of available resources within the service provider a...
10/07/2008
7403547Method and system for synchronizing separated edge QAM devices located remotely from a CMTS
The clocks of one or more edgeQAM devices are synchronized with a master clock at the remotely located CMTS. A master clock signal may be transmitted via a dedicated gigabit Ethernet link. Alternatively, master clock information contained in a time synchronization m...
07/22/2008
7382729Video transmission of layered coded data
A video transmission system, a video transmitting apparatus, a video receiving apparatus, and a video transmission method whereby, when a plurality of terminals whose characteristics differ receive video simultaneously, each terminal can receive video with quality a...
06/03/2008
7379548Virtual smart card device, method and system
A system and a method for secure transmission of protected content to a subscriber, without requiring a smart card or other renewable security element to be in physical proximity of the recipient module of the subscriber, such as a set-top box for example. Therefore...
05/27/2008
7373653Channel merging method for VOD system
A channel merging method for a VOD system, said method comprises the steps of: in response to requests from a plurality of clients for a video program, establishing a root channel (S1) and at least one sub-channel (S11), said root channel (S1) b...
05/13/2008
7367043System and method for generating metadata for programming events
Metadata for a programming event may be generated by receiving descriptive information and timing information for the programming event and analyzing this information to determine category goodness of fit scores for the programming event corresponding to categories ...
04/29/2008
7362813Communication system
At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point g...
04/22/2008
7339945System and method for partitioning streaming data coded with fine granularity scalability of use in a cable network
System and method for partitioning data on a SCDMA cable network use methods of creating data streams to transmit to a head end. Further, the data streams transmitted to the head end are coded with fine granularity scalability features and contain divisions which ar...
03/04/2008
7337462System and method for providing timing data for programming events
A video production facility system may produce closed caption data that includes text data and timing data. The system may receive script data for a video program. The system may then determine identifiers for individual programming events that make up the program. ...
02/26/2008
7330600Image processing device estimating black character color and ground color according to character-area pixels classified into two classes
A character area is extracted from an original image, which is a digital image, according to a feature value calculated with respect to the original image. Pixels belonging to the extracted character area are classified into a first class and a second class accordin...
02/12/2008
7330610System and method for updating a sign-on logo image file in a computer
A system for updating a sign-on logo image file in a computer includes: a storage medium (7) for storing image files; application software (1) for loading a selected image file, converting the selected image file into a designated format image file, an...
02/12/2008
7324704Method of repairing scratches in digital images
A method of repairing scratches in a digital image includes counting the number of abnormal pixels among neighboring pixels of a selected pixel. The selected pixels that are surrounded by abnormal pixels in a number greater than a predetermined value are designed as...
01/29/2008
7310810Broadcasting apparatus and method, receiving apparatus and method, and medium
To compensate a failure in downloading of music piece data. For example, when a viewer instructs purchase of a music pieceC to an IRD at a timing t0 during the sixth transmission of music piece data, the music piece data to be transmitted for the seventh time...
12/18/2007
7305697Service gateway for interactive television
A service gateway provides a proxy between a client protocol and a plurality of standard communication protocols. The service gateway provides asymmetrical routing, data compression and encryption to optimize client processing power and communication link bandwidth....
12/04/2007
7299487Control program, for a co-processor in a video-on-demand system, which uses transmission control lists to send video data packets with respective subgroups of internet protocol headers
A control program for a co-processor in a video-on-demand system directs the co-processor to perform the steps of: a) obtain a transmission control list, from an external source, which identifies a group of several video data packets and a respective subgroup of int...
11/20/2007
7296064User preference information structure having multiple hierarchical structure and method for providing multimedia information using the same
A user preference information structure having a multiple hierarchical structure in which an information is provided to a user according to a user preference in a multi-media environment having an information provider and an information user, that can include user u...
11/13/2007
7296283Two-tiered authorization and authentication for a cable data delivery system
Apparatus for a cable television subscriber to log onto a computer network with a modem over an upstream path using a USERID and password. The network validates the subscriber USERID and subscriber password with a stored database of valid USERIDs and associated pass...
11/13/2007
7278153Content propagation in interactive television
A process of propagates viewing assets on a system of video storages. The process includes copying a missing portion of a replica of a selected viewing asset onto a target video server. The act of copying is responsive to determining that a priority to propagate the...
10/02/2007
7275256System and method for providing an interactive, visual complement to an audio program
A system and method for providing an interactive, visual complement to one or more audio programs. In one aspect, the system comprises an audio subsystem for generating an audio signal corresponding to a sound recording. The system also comprises a video subsystem f...
09/25/2007
7263713Television signal distributor apparatus, receiver apparatus, television signal transmission system and method
In a television signal transmission system, CS broadcasting signals received via a master antenna are converted into intermediate frequency signals in an LNB (Low Noise Block Down Converter). The CS intermediate frequency signals then undergo conversion of the modul...
08/28/2007
7254826Broadcast apparatus and reception apparatus that enable additional data to be used without a waiting time when one program changes to another
A broadcast apparatus broadcasts broadcast data. In the broadcast apparatus, an acquiring unit acquires broadcast data and a reproduction time period in which the broadcast data is to be reproduced by a reception apparatus, and a broadcasting unit repeatedly broadca...
08/07/2007
7249368Tuner apparatus
The present invention provides a tuner apparatus operating as a common tuner capable of receiving both satellite digital TV and terrestrial TV broadcasting. A tuner configured, according to the invention operates as follows. As the tuner apparatus receives satellite...
07/24/2007
7237250Promotion server using video on demand channel
Idle Video-On-Demand (VOD) channel capacity is used to deliver promotional content to selected set-top boxes (STBs) in a cable television network. Commercial segment cues are used to instruct a set-top box to switch away from a broadcast program to the VOD channel d...
06/26/2007
7231655Technique for reverse transport of data in a hybrid fiber coax cable system
In a hybrid fiber coax (HFC) cable system, data is communicated upstream from user terminals to a headend of the system to realize various interactive services. The user terminals generate analog modulated signals representing the user data, which populate different...
06/12/2007
7228007Resolution correction apparatus, resolution correction program, and computer-readable recording medium having same program recorded thereon
A resolution correction apparatus of the present invention includes: an outline signal generator for generating an outline signal, which represents an outline of an image, based on an image signal; an outline correction signal generator for generating an outline cor...
06/05/2007
7218611Broadcast system
A broadcast system BS includes a broadcast apparatus 1 and a reception apparatus 2. The broadcast apparatus 1 first receives and stores therein a proxy request PR including at least an identifier assigned to the reception apparatus 2 and ...
05/15/2007
7212251Broadcasting system of data broadcast in television broadcasting
To present a broadcasting system of data broadcast capable of changing the screen display in a receiver, by displaying selectively the broadcast contents of plural channels on a receiving screen of digital satellite broadcasting of one channel, and selecting desired...
05/01/2007
7207057System and method for collaborative, peer-to-peer creation, management & synchronous, multi-platform distribution of profile-specified media objects
In a television programming management system, contributors access television programming functionality of legacy systems using a web-based interface provided by a network operations center. The network operations center is a best-of-breed J2EE-based implementation ...
04/17/2007
7203953Method and apparatus for two-way internet access over a CATV network with channel tracking
Internet access is provided over a digital cable television system using Internet protocol (IP) over MPEG digital video. Simultaneous Internet access and TV viewing is provided by an IP over MPEG-2 video system with channel tracking. Whenever a video channel change ...
04/10/2007
7200855Method and apparatus of multiplexing a plurality of channels in a multimedia system
A method and apparatus for multiplexing a plurality of channels within a multimedia system includes processing that begins by receiving a plurality of channels from a multimedia source. The processing then continues by receiving a plurality of channel selection comm...
04/03/2007
7194756Systems and methods for provisioning a host device for enhanced services in a cable system
Flexible systems and methods are disclosed that may be used for provisioning, configuring, and controlling a host embodied in a cable set top box or other digital device attached to a digital communication network, such as cable distribution network. An enhanced ser...
03/20/2007
7194753System and method for efficiently tuning to channels of a variety of different broadcast types
A tuning system is described that is capable of receiving a number of different broadcast types such as analog or digital satellite, cable, Internet, and terrestrial airwave broadcasts. The tuning system stores service records, each service recording containing info...
03/20/2007
7170546Television system distributing a dynamically varying number of concurrent video presentations over a single television channel
A system for providing, in a television system, the combination, transmission, and reception of multiple video presentations over a single channel of a television distribution system. Presentations may be concurrently broadcast for viewing by many users, as well as ...
01/30/2007
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