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Your search returned 112 patents.
( 370/358 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5579300 | Private automatic branch exchange for integrated services digital network
| May 2, 1995 |
| 5533108 | Method and system for routing phone calls based on voice and data transport capability
| March 18, 1994 |
| 5469502 | Telecommunication system for selecting optimum transfer rate
| November 22, 1994 |
| 5453985 | Digital bit oriented switch, general digital switch and PCM transmission system
| August 22, 1994 |
| 5440564 | Data multiplexer with simultaneous multiple channel capability
| February 9, 1993 |
| 5432791 | Device for synchronizing system clock using detected synchromization signal
| January 21, 1994 |
| 5384773 | Multi-media analog/digital/optical switching apparatus
| September 17, 1992 |
| 5384771 | Multimedia call configuration system
| August 27, 1993 |
| 5384766 | LAN management system in electronic switching apparatus
| September 21, 1993 |
| 5375120 | Multiplex transmission apparatus
| March 29, 1993 |
| 5355362 | Digital loop carrier system
| October 26, 1992 |
| 5351236 | Multirate, sonet-ready, switching arrangement
| October 20, 1992 |
| 5345446 | Establishing telecommunications call paths in broadband communication networks
| November 6, 1992 |
| 5345445 | Establishing telecommunications calls in a broadband network
| November 6, 1992 |
| 5345441 | Hierarchical path hunt for multirate connections
| October 20, 1992 |
| 5343467 | Space/time switching element having input/output circuits each separately switchable between two or more bit rates
| May 29, 1992 |
| 5329572 | Dial-up switching and transmission of broadband communication channels through a local exchange
| September 24, 1992 |
| 5276679 | Method for maintaining channels and a subscriber station for use in an ISDN system
| February 12, 1992 |
| 5214638 | Digital communication electrical/optical access node having buffer memory matrix for switchable multi-channel bidirectional transmission
| November 8, 1990 |
| 5197063 | Circuit switching method and apparatus for time division network with various transmission speeds
| January 16, 1991 |
| 5185736 | Synchronous optical transmission system
| May 12, 1989 |
| 5042030 | Apparatus for rearranging signal channels of a multi-loop time-division multiplexed transmission system
| October 4, 1989 |
| 5040170 | System for cross-connecting high speed digital signals
| December 9, 1988 |
| 5005171 | Telecommunication transmission format suited for network-independent timing environments
| January 9, 1990 |
| 4967405 | System for cross-connecting high speed digital SONET signals
| December 9, 1988 |
| 4914429 | Switch components and multiple data rate non-blocking switch network utilizing the same
| December 9, 1988 |
| 4905223 | Wideband/multislot switching arrangement
| February 16, 1988 |
| 4763317 | Digital communication network architecture for providing universal information services
| December 13, 1985 |
| 4718058 | Digital switching network for switching signals of different bit rates
| February 15, 1985 |
| 4716562 | Telephone system
| March 11, 1986 |
| 4713806 | Communication system control arrangement
| March 14, 1986 |
| 4680752 | Time switch in a time division switching network
| May 23, 1984 |
| 4679191 | Variable bandwidth switching system
| May 17, 1984 |
| 4577312 | Arrangement for wideband transmission via a switched network
| July 5, 1984 |
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