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7301944 |
Media file distribution with adaptive transmission protocols
A server/client media file distribution system is provided in which the server system is adapted to receive transmission requests from clients, status information from a network, and protocol...
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7164682 |
ATM communication apparatus and bandwidth control method of the same
An ATM communication apparatus and the bandwidth control method thereof that are capable of bandwidth control to guarantee the minimum cell rate and limit the upper-limit for each of subscriber...
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7013395 |
Method and tool for network vulnerability analysis
A computer system analysis tool and method that will allow for qualitative and quantitative assessment of security attributes and vulnerabilities in systems including computer networks. The...
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6957358 |
Scaling dynamic clock distribution for large service provider networks
A system and method are disclosed for dividing a network into clock partitions to limit the overhead created by transmitting clock sources. A clock partition can be implemented through several...
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6744788 |
Multiplexing digital signals
Data transmission apparatus for multiplexing one or more channel data streams of equal, predetermined, data rate into a transmission data stream comprises: means for generating a control data...
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6215530 |
Logical and composite channel mapping in an MPEG network
Two additional structures for addition to the Digital Video Broadcasters (DVB) Service Information (SI) for implementation of the MPEG-2 Systems Standard (ISO/IEC 13818-1) are provided: the Logical...
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6144702 |
Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is...
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6002720 |
Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is...
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5903599 |
Transceiver and method for reporting state transitions in a communication system
A host processor (22) in a communication system (10) identifies a level of program visibility for reporting predetermined activation state changes, and signals a communications transceiver (24) to...
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5774532 |
Single network record construction
Call records are generated from various network elements processing a call. A consolidation feed acts as a concentrator for the various records. However, since the concentrator receives the call...
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5600378 |
Logical and composite channel mapping in an MPEG network
Two additional structures for addition to the Digital Video Broadcasters (DVB) Service Information (SI) for implementation of the MPEG-2 Systems Standard (ISO/IEC 13818-1 are provided: the Logical...
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5550863 |
Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is...
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5425101 |
System and method for simultaneously authorizing multiple virtual channels
A decoder in a multiservice communication system receives a plurality of services as data streams, including video, audio, teletext, and utility data, multiplexed in sequence of frames. Each...
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5418782 |
Methods and apparatus for providing virtual service selection in a multi-service communications system
Methods and apparatus are disclosed for providing virtual service selection in a multi-service communications system wherein the service components of each of a number of basic services are...
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5335356 |
Adaptive resource allocation in a mobile telephone system
Transmission quality of an ongoing call in a mobile radiotelephone system is monitored by measuring parameters indicative of transmission quality, evaluating transmission quality according to the...
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5301274 |
Method and apparatus for automatic balancing of modem resources
A method for dynamically changing the polling process of a single microprocessor within a modem. An additional step is added into the main polling loop that checks the amount of data in the...
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5299198 |
Method and apparatus for exploitation of voice inactivity to increase the capacity of a time division multiple access radio communications system
A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic...
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5253275 |
Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is...
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5132992 |
Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded audio and/or video information is...
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4812847 |
Parallel port pass-through digital to analog converter
A digital-to-analog (D/A) converter for connecting to a computer's parallel port, while allowing another peripheral to be attached to, and use, the same port. The D/A converter requires no external...
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4672601 |
Duplex interconnect/dispatch trunked radio system
A dispatch trunked radio system which provides duplex or simplex telephone interconnect communications to subscriber units is described. The system allows duplex capable trunked system subscriber...
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4143241 |
Small digital time division switching arrangement
The present invention relates to a small digital time-division switching arrangement capable of interfacing with a plurality of PCM communication lines on one side and a separate plurality of...
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