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Your search returned 61 patents.
( 370/246 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5459714 | Enhanced port activity monitor for an integrated multiport repeater
| February 22, 1993 |
| 5422929 | Telephone line repeater and method of testing same
| November 13, 1991 |
| 5414694 | Address tracking over repeater based networks
| February 19, 1993 |
| 5315590 | Selectable repeater port reconnection method and apparatus
| October 10, 1990 |
| 5283781 | Apparatus for receiving and modifying a serial data packet from a communications network to indicate its status
| December 23, 1991 |
| 5162936 | Apparatus for monitoring the operation of an optical repeater
| February 14, 1991 |
| 5038364 | Transmission line monitoring system
| November 27, 1989 |
| 4980887 | Digital communication apparatus and method
| October 27, 1988 |
| 4941198 | Communications repeater monitoring system
| November 12, 1987 |
| 4937812 | Subsidiary station capable of automatically adjusting an internal delay in response to a number signal received in a downward signal by the subsidiary station
| September 17, 1987 |
| 4926413 | Satellite communication subsystem with the capability of performing a non-interferring operational test
| September 9, 1988 |
| 4882765 | Data transmission system
| May 22, 1987 |
| 4815101 | Step-by-step remote locating system for repeaters in a pcm link
| July 23, 1987 |
| 4768202 | Signalling method and device for bidirectional digital transmission link
| April 8, 1986 |
| 4710976 | Optical repeater monitoring system
| May 7, 1985 |
| 4623998 | Communication network having gain adjustment function of a transmission amplifier of medium attachment unit
| May 28, 1985 |
| 4611324 | Method of controlling a supervisory arrangement in a digital transmission system
| November 7, 1984 |
| 4550403 | Method for transmitting a HDBn code signal with an auxiliary binary signal in a digital transmission line and system for monitoring repeaters in the line by means of auxiliary signals
| March 29, 1983 |
| 4402075 | Step-by-step remote locating system for repeaters in a PCM link
| June 25, 1981 |
| 4354054 | Caboose signal controlled reporting arrangement for a regenerator chain
| April 16, 1981 |
| 3909563 | Procedure and apparatus for locating faults in digital repeatered lines
| November 6, 1973 |
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