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Your search returned 44 patents.
( 370/226 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 6272108 | Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication device
| February 11, 1998 |
| 6249510 | Signal protection system for bi-direction ring network
| September 10, 1998 |
| 6181676 | System protection switching
| January 30, 1998 |
| 6144675 | Clock regeneration apparatus for synchronous data transmission
| July 2, 1998 |
| 6141320 | Method and apparatus for nested automatic protection switching
| September 19, 1997 |
| 6085079 | Storage device wirelessly connected to communication terminal and communication control apparatus, and system having storage device
| December 11, 1995 |
| 5978354 | Optical transmission system and transmission line switching control method
| March 18, 1996 |
| 5875210 | Method and apparatus for repeating data
| February 13, 1997 |
| 5848054 | Repeater for transmission system for controlling and determining the status of electrical devices from remote locations
| February 7, 1996 |
| 5838226 | Communication protocol for transmission system for controlling and determining the status of electrical devices from remote locations
| February 7, 1996 |
| 5787271 | Spare capacity allocation tool
| June 26, 1996 |
| 5784404 | Intelligent repeater functionality
| January 19, 1996 |
| 5774786 | Method of maintaining calls subsequent to a site controller failure
| October 31, 1995 |
| 5724341 | Network control apparatus
| December 19, 1995 |
| 5712846 | Order wire communication control method for line-switched ring network system
| December 21, 1995 |
| 5712845 | Method for controlling conditional connections in a synchronous digital telecommunications system
| September 13, 1995 |
| 5651001 | Method and apparatus for full duplex signaling
| December 22, 1994 |
| 5566203 | Intelligent repeater functionality
| June 24, 1993 |
| 5386416 | Repeater having a bypass circuit for passing time division multiplex signals along even though some time slots are not reinjected
| June 14, 1990 |
| 5038140 | Supervisory system in communication system
| November 8, 1990 |
| 5029158 | Protection switching in a multi-channel communications system
| July 23, 1987 |
| 4949340 | Redundant repeater
| July 21, 1988 |
| 4894825 | Frequency-division multiplex broadband multimedia network
| May 15, 1989 |
| 4658396 | Redundancy arrangement for a local area network
| March 11, 1985 |
| 4607376 | Digital radio relay system
| November 15, 1984 |
| 4598399 | Multichannel multisite signal protection channel switching apparatus
| November 20, 1984 |
| 4451916 | Repeatered, multi-channel fiber optic communication network having fault isolation system
| May 12, 1980 |
| 4397018 | Baton passing method and apparatus for maintaining synchronization in a TDMA satellite communication system
| December 22, 1980 |
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