Inventor · disambiguated record
Keith Gammie
Also filed as: GAMMIE KEITH · GAMMIE KEITH B
16 granted patents·2,230 citations·filing 1990–2016
95Inventor score
Files withSCIENTIFIC ATLANTA11CROOKES BRIAN E2CISCO TECH INC1LUCCISANO ALEXANDER1SCIENT ATLANTA LLC1
Top patents by PatentIndex Score
16 records- 0197US5237610AIndependent external security module for a digitally upgradeable television signal decoderSCIENTIFIC ATLANTA·Filed 1991·Granted Aug 17, 1993·464 cites·28 claims
- 0297US5029207AExternal security module for a television signal decoderSCIENTIFIC ATLANTA·Filed 1990·Granted Jul 2, 1991·422 cites·59 claims
- 0395US5381481AMethod and apparatus for uniquely encrypting a plurality of services at a transmission siteSCIENTIFIC ATLANTA·Filed 1993·Granted Jan 10, 1995·209 cites·17 claims
- 0495US5270809AData return for a television transmission systemSCIENTIFIC ATLANTA·Filed 1991·Granted Dec 14, 1993·227 cites·15 claims
- 0594US5341425AMethods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception siteSCIENTIFIC ATLANTA·Filed 1992·Granted Aug 23, 1994·272 cites·45 claims
- 0694US5200823AVirtual channels for a multiplexed analog component (mac) television systemSCIENTIFIC ATLANTA·Filed 1991·Granted Apr 6, 1993·200 cites·9 claims
- 0793US5519780ASystem and method for providing compressed digital teletext services and teletext support servicesSCIENTIFIC ATLANTA·Filed 1993·Granted May 21, 1996·235 cites·15 claims
- 0892US5506904ASystem and method for transmitting and receiving variable length authorization control for digital servicesSCIENTIFIC ATLANTA·Filed 1993·Granted Apr 9, 1996·163 cites·34 claims
- 0989US9628832B2Secure combined interoperable multiplexingCISCO TECH INC·Filed 2016·Granted Apr 18, 2017·4 cites·20 claims
- 1081US9258582B2Secure combined interoperable multiplexingCROOKES BRIAN E·Filed 2012·Granted Feb 9, 2016·3 cites·28 claims
- 1174US8155151B2Secure combined interoperable multiplexingCROOKES BRIAN E·Filed 2008·Granted Apr 10, 2012·2 cites·22 claims
- 1270USRE39166EExternal security module for a television signal decoderSCIENTIFIC ATLANTA·Filed 1993·Granted Jul 11, 2006·27 cites·59 claims
- 1365US7810131B2Control system with global control stream for controlling a plurality of decodersSCIENT ATLANTA LLC·Filed 2005·Granted Oct 5, 2010·2 cites·44 claims
- 1448US7721318B2Uplink signaling for global decoder controlSCIENTIFIC ATLANTA·Filed 2005·Granted May 18, 2010·0 cites·21 claims
- 1543US7805750B2Storage control systemSCIENTIFIC ATLANTA·Filed 2005·Granted Sep 28, 2010·0 cites·18 claims
- 1641US7904937B2Uplink signaling for global decoder controlLUCCISANO ALEXANDER·Filed 2010·Granted Mar 8, 2011·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →