Inventor · disambiguated record
Stephen H. Kelley
Also filed as: KELLEY STEPHEN · KELLEY STEPHEN H · KELLEY STEPHEN HARLOW
20 granted patents·910 citations·filing 1977–1998
96Inventor score
Top patents by PatentIndex Score
20 records- 0195US4472647ACircuit for interfacing with both TTL and CMOS voltage levelsMOTOROLA INC·Filed 1982·Granted Sep 18, 1984·68 cites·9 claims
- 0292US4484028ADigital loop transceiver having a power up/down circuitMOTOROLA INC·Filed 1982·Granted Nov 20, 1984·94 cites·8 claims
- 0392US4432089ADigital loop transceiver for interfacing a digital PABX to a digital subscriber set via a subscriber lineMOTOROLA INC·Filed 1981·Granted Feb 14, 1984·65 cites·18 claims
- 0490US4604584ASwitched capacitor precision difference amplifierMOTOROLA INC·Filed 1985·Granted Aug 5, 1986·41 cites·10 claims
- 0590US4593389ASimultaneous voice and asynchronous data telephoneWURZBURG HENRY·Filed 1984·Granted Jun 3, 1986·98 cites·4 claims
- 0689US4151517AClosed loop companding ratio control for continuously variable slope delta modulationMOTOROLA INC·Filed 1977·Granted Apr 24, 1979·37 cites·14 claims
- 0776US6204834B1System and method for achieving uniform screen brightness within a matrix displaySI DIAMOND TECHN INC·Filed 1994·Granted Mar 20, 2001·46 cites·57 claims
- 0873US4300023AHybrid circuitMOTOROLA INC·Filed 1979·Granted Nov 10, 1981·23 cites·9 claims
- 0972US4355285AAuto-zeroing operational amplifier circuitMOTOROLA INC·Filed 1981·Granted Oct 19, 1982·15 cites·5 claims
- 1072US4311988AProgrammable A-law and μ-law DACMOTOROLA INC·Filed 1979·Granted Jan 19, 1982·16 cites·3 claims
- 1171US6363414B1Method for converting an email message to a different format and retransmitting to a location other than recipient address information in the email messagePITNEY BOWES LTD·Filed 1998·Granted Mar 26, 2002·209 cites·13 claims
- 1268US4384277ADigital to analog converterMOTOROLA INC·Filed 1981·Granted May 17, 1983·19 cites·14 claims
- 1368US4370632AMultiple function operational amplifier circuitMOTOROLA INC·Filed 1981·Granted Jan 25, 1983·15 cites·8 claims
- 1463US4384276ACapacitive DAC to filter interface circuitMOTOROLA INC·Filed 1981·Granted May 17, 1983·15 cites·4 claims
- 1561US4618852AMonotonic A/D converter which minimizes circuitry for high order bit conversionMOTOROLA INC·Filed 1985·Granted Oct 21, 1986·17 cites·20 claims
- 1658US4387345APrecision gain AC coupled operational amplifierMOTOROLA INC·Filed 1981·Granted Jun 7, 1983·9 cites·8 claims
- 1756US6662232B1Dynamic E-mail re-transmitting system having time parametersPITNEY BOWES LTD·Filed 1998·Granted Dec 9, 2003·98 cites·10 claims
- 1845US4689788AMethod and apparatus for implementing a cost efficient voice/data communication system with a conventional PBX switchMOTOROLA INC·Filed 1985·Granted Aug 25, 1987·12 cites·4 claims
- 1943US4594707AHigh speed limited distance multiplexed data communications modem using a single twisted pair of conductorsMOTOROLA INC·Filed 1984·Granted Jun 10, 1986·10 cites·12 claims
- 2033US4320519A(Sin X)/X correction circuit for a sampled data systemMOTOROLA INC·Filed 1980·Granted Mar 16, 1982·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →