Assignee
TELTREND INC
US·25 granted patents·461 citations·filing 1992–1999
Top patents by PatentIndex Score
25 records- 0170US5315650ACaller identification transmit path limiterTELTREND INC·Filed 1993·Granted May 24, 1994·60 cites·7 claims
- 0268US6111949AMethod of rapid automatic hybrid balancingTELTREND INC·Filed 1996·Granted Aug 29, 2000·39 cites·10 claims
- 0366US5682385AEnhancement for a multiplexing telecommunications interfaceTELTREND INC·Filed 1995·Granted Oct 28, 1997·32 cites·5 claims
- 0466US5224149ATesting system for digital transmission linesTELTREND INC·Filed 1992·Granted Jun 29, 1993·39 cites·11 claims
- 0554US5566239AFloating digital loop carrier telephone interfaceTELTREND INC·Filed 1994·Granted Oct 15, 1996·26 cites·6 claims
- 0654US5555274APhantom data link for digital transmission linesTELTREND INC·Filed 1992·Granted Sep 10, 1996·23 cites·18 claims
- 0753US5963638AAdjustable hybrid having improved biasing configurationTELTREND INC·Filed 1996·Granted Oct 5, 1999·18 cites·8 claims
- 0853US5907614AHigh density telephone network interface unitTELTREND INC·Filed 1997·Granted May 25, 1999·17 cites·25 claims
- 0951US5953412AMethod and apparatus for controlling line conditioner equalizerTELTREND INC·Filed 1996·Granted Sep 14, 1999·21 cites·6 claims
- 1050US5347544AGain or loss compensation circuit for telephone linesTELTREND INC·Filed 1993·Granted Sep 13, 1994·19 cites·5 claims
- 1149US5509065ADual span monitoring system for maintenance shelf controlTELTREND INC·Filed 1993·Granted Apr 16, 1996·20 cites·7 claims
- 1248US5422950ARemote terminal channel unit for telephone transmission linesTELTREND INC·Filed 1994·Granted Jun 6, 1995·18 cites·1 claims
- 1347US5689546APerformance monitoring system for T1 telephone linesTELTREND INC·Filed 1995·Granted Nov 18, 1997·14 cites·25 claims
- 1445US5680405ARemote reporting system for digital transmission line elementsTELTREND INC·Filed 1992·Granted Oct 21, 1997·15 cites·13 claims
- 1544US5974137AAGC amplifier for two-wire line conditionerTELTREND INC·Filed 1996·Granted Oct 26, 1999·15 cites·7 claims
- 1641US5862200AGround fault detector for T1 span equipmentTELTREND INC·Filed 1996·Granted Jan 19, 1999·11 cites·42 claims
- 1741US5631956AHigh density telephone network interface unitTELTREND INC·Filed 1996·Granted May 20, 1997·7 cites·5 claims
- 1840US5438606AOpen power loop detector for transmission line elementsTELTREND INC·Filed 1993·Granted Aug 1, 1995·17 cites·5 claims
- 1937US5521977AHigh density telephone network interface unitTELTREND INC·Filed 1993·Granted May 28, 1996·8 cites·8 claims
- 2034US6151691ARemote reporting system for digital transmission line elementsTELTREND INC·Filed 1999·Granted Nov 21, 2000·7 cites·40 claims
- 2133US5691998AData transmission protection circuit with error correctionTELTREND INC·Filed 1995·Granted Nov 25, 1997·6 cites·26 claims
- 2233US5437023ANoise-tolerant address transmission system for digital telecommunication networkTELTREND INC·Filed 1994·Granted Jul 25, 1995·8 cites·21 claims
- 2332US5889785ARemote reporting system for digital transmission line elementsTELTREND INC·Filed 1997·Granted Mar 30, 1999·6 cites·28 claims
- 2432US5444776ABridge for a network interface unitTELTREND INC·Filed 1993·Granted Aug 22, 1995·11 cites·18 claims
- 2532US5357569ATrans-hybrid loss compensator for on hook transmissionTELTREND INC·Filed 1993·Granted Oct 18, 1994·4 cites·5 claims
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