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Your search returned 165 patents.
( 714/716 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5450416 | Apparatus and method for testing multifunction communications networks
| August 25, 1992 |
| 5448588 | Data transmission circuit capable of avoiding repeated reception and transmission of an identical transmission signal
| February 27, 1992 |
| 5442632 | Stale packet removal method and apparatus
| March 22, 1994 |
| 5442621 | ISDN switching system having testing facilities
| November 25, 1992 |
| 5437023 | Noise-tolerant address transmission system for digital telecommunication network
| February 9, 1994 |
| 5422876 | Out-of-band loopback control scheme
| September 7, 1993 |
| 5396618 | Self-diagnosing method for digital signal processing system
| March 22, 1993 |
| 5384767 | Segment tester for a repeater interface controller
| June 15, 1992 |
| 5383180 | Circuit pack for digital loop carrier tranmission systems
| May 24, 1993 |
| 5383177 | Packet switching testing method and apparatus
| January 31, 1994 |
| 5367395 | Apparatus for detection and location of faults in two-way communication through single optical path
| January 28, 1993 |
| 5363493 | Token ring network test device using finite state machine
| August 4, 1993 |
| 5359609 | Quality check equipments for digital transmission links
| May 2, 1991 |
| 5347522 | Method and apparatus for detecting pseudo noise pattern for remote loopback test
| July 12, 1991 |
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