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Your search returned 205 patents.
( 340/825.01 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5351040 | Control system for configuring ring LAN with improved reconfiguration operation
| September 5, 1991 |
| 5345438 | Transmission device capable of readily controlling active and backup sections
| August 21, 1992 |
| 5343464 | Switching system between working transmission lines and protection transmission line
| March 13, 1992 |
| 5325354 | Synchronous terminal station receiving system
| March 30, 1992 |
| 5323144 | Duplexed bus type network with failure changeover
| January 31, 1991 |
| 5321394 | Spare card connection circuitry for high-speed telecommunications transmitters/receivers and methods
| April 10, 1992 |
| 5321393 | Spare card connection and switching circuitry for high-speed telecommunications interfaces
| April 10, 1992 |
| 5311170 | Method and system for making bipolar switching to protection channel
| December 13, 1991 |
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