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| Number | Title | Issue Date |
| 8121024 | Technique for providing dynamic modification of application specific policies in a feedback-based, adaptive data network A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to a centralized data store. The information which is reported to the data store is analyzed by a policy eng... | 02/21/2012 |
| 7042839 | Scaleable line-based protection for connection oriented communications protocols A scalable protection method for connection oriented networks includes a source, a destination, and primary nodes interconnected by working path segments between the source and destination. A point-to-multipoint connection with multiple destinations and additional p... | 05/09/2006 |
| 5943345 | AM multiplexing broadcast apparatus An AM multiplexing broadcast apparatus multiplexes a digital modulated signal independent of an AM modulated signal, in the same frequency band as the AM modulated signal. A sum signal is amplified by a first amplifier. An inverse of the sum signal is obt... | 08/24/1999 |
| 4647925 | Circuit employing intercoupled state machines for transmitting and receiving multiformatted sequences of voice and data characters A circuit which operates on input signals representing multiformatted sequences of idle characters, voice characters, and data characters comprises: a first state machine consisting essentially of a logic array, a register, and a counter. One section of t... | 03/03/1987 |
| 4593389 | Simultaneous voice and asynchronous data telephone A telephone which can receive and transmit voice and asynchronous data simultaneously is provided. A signalling circuit provides signals indicating the request for a communication link or requesting a communication link to a predetermined location. A tran... | 06/03/1986 |
| 4387271 | Combined telephone and data-transfer system Telephone lines extending between a central office and associated subscriber stations are provided at opposite ends with mutually complementary modems and with couplers by which code signals from subscriber-operated address selectors can be sent to a comm... | 06/07/1983 |
| 4330687 | Audio and full duplex digital data carrier system A subscriber data carrier system for simultaneously carrying both base band telephone signals and full duplex digital data transmissions on a single pair of nonloaded telephone wires is disclosed. That is, the system provides for simultaneous conventional... | 05/18/1982 |
