| 5615225 |
Remote measurement unit containing integrated line measurement and conditioning functionality for performing remotely commanded testing and conditioning of telephone line circuits |
Derek G. Foster, Edward K. W. Siu, Michael Kennedy, Onofrio Schillaci, Alex Knight |
1997-03-25 |
| 5440610 |
Mechanism for controlling operation of telephone metallic loop measurement device in dependence upon rate of settling of telephone line voltage |
Onofrio Schillaci, Steve R. Coffelt, Edward K. W. Siu |
1995-08-08 |
| 5115462 |
Remotely controlled apparatus for conditioning telephone line exclusive of metallic DC bypass pair |
Michael Kennedy, Aaron Chan |
1992-05-19 |
| 5103473 |
Telephone system communication mechanism employing central office sleeve lead |
Leslie A. Sullins, Michael D. Horton |
1992-04-07 |
| 4841560 |
Direct access test unit for central office |
Aaron Chan, Leslie Shafto |
1989-06-20 |
| 4670898 |
Direct access test unit for central office |
Leonard E. Curtin, Aaron Chan, Steven R. Coffelt |
1987-06-02 |
