Inventor · disambiguated record
Dewayne A. Spires
Also filed as: SPIRES DEWAYNE A · SPIRES DEWAYNE ALAN
19 granted patents·379 citations·filing 1980–2001
95Inventor score
Files withLUCENT TECHNOLOGIES INC7AT & T BELL LAB4BELL TELEPHONE LABOR INC3LEGERITY INC3AMERICAN TELEPHONE & TELEGRAPH1
Top patents by PatentIndex Score
19 records- 0183US5881129ASelf-monitoring line interface circuitFiled 1996·Granted Mar 9, 1999·107 cites·34 claims
- 0282US4476350ABattery feed circuitBELL TELEPHONE LABOR INC·Filed 1982·Granted Oct 9, 1984·58 cites·14 claims
- 0373US6657496B2Amplifier circuit with regenerative biasingLEGERITY INC·Filed 2001·Granted Dec 2, 2003·19 cites·24 claims
- 0471US4503289ALine circuit with flux compensation and active impedance terminationAT & T BELL LAB·Filed 1983·Granted Mar 5, 1985·19 cites·6 claims
- 0565US4454479AOperational amplifier with improved output capabilityBELL TELEPHONE LABOR INC·Filed 1982·Granted Jun 12, 1984·12 cites·6 claims
- 0663US5854839ADual voltage, self-monitoring line circuitLUCENT TECHNOLOGIES INC·Filed 1996·Granted Dec 29, 1998·38 cites·10 claims
- 0758US6842518B2Frequency-dependent impedance synthesis for DSL interface circuitsLEGERITY INC·Filed 2001·Granted Jan 11, 2005·3 cites·22 claims
- 0855US4323885ANoise and crosstalk reduction in mid-riser biased encodersBELL TELEPHONE LABOR INC·Filed 1980·Granted Apr 6, 1982·14 cites·14 claims
- 0953US5936391APartially temperature compensated low noise voltage referenceLUCENT TECHNOLOGIES INC·Filed 1997·Granted Aug 10, 1999·13 cites·9 claims
- 1050US5848149ASubscriber line interface and power circuitLUCENT TECHNOLOGIES INC·Filed 1995·Granted Dec 8, 1998·22 cites·9 claims
- 1147US4939775ATelephone ringing detectorAT & T BELL LAB·Filed 1988·Granted Jul 3, 1990·14 cites·9 claims
- 1247US4510550ARelay driverAT & T BELL LAB·Filed 1982·Granted Apr 9, 1985·6 cites·6 claims
- 1346US6940969B2Capacitor cancellation method and apparatusLEGERITY INC·Filed 2001·Granted Sep 6, 2005·0 cites·29 claims
- 1445US5974363ASelf-testing of smart line cardsLUCENT TECHNOLOGIES INC·Filed 1997·Granted Oct 26, 1999·19 cites·30 claims
- 1544US4477780AOperational amplifier with multiple switchable outputsAT & T BELL LAB·Filed 1982·Granted Oct 16, 1984·6 cites·7 claims
- 1643US6169425B1Voltage sensing current foldback switch circuitLUCENT TECHNOLOGIES INC·Filed 1998·Granted Jan 2, 2001·11 cites·18 claims
- 1737US4896093AElectronic inductorAMERICAN TELEPHONE & TELEGRAPH·Filed 1988·Granted Jan 23, 1990·4 cites·6 claims
- 1836US5659610ABattery feed circuitLUCENT TECHNOLOGIES INC·Filed 1994·Granted Aug 19, 1997·7 cites·13 claims
- 1932US6356593B1Data optimized codecLUCENT TECHNOLOGIES INC·Filed 1998·Granted Mar 12, 2002·7 cites·23 claims
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