Assignee
QSC AUDIO PROD INC
US·22 granted patents·1 pending application·381 citations·filing 1980–2008
Top patents by PatentIndex Score
23 records- 0189US7279967B2Multi-channel, multi-power class D amplifier with regulated power supplyQSC AUDIO PROD INC·Filed 2006·Granted Oct 9, 2007·20 cites·25 claims
- 0289US5767744ALightweight fixed frequency discontinuous resonant power supply for audio amplifiersQSC AUDIO PROD INC·Filed 1996·Granted Jun 16, 1998·139 cites·29 claims
- 0388USD491553SSpeakerQSC AUDIO PROD INC·Filed 2003·Granted Jun 15, 2004·31 cites·1 claims
- 0485USD565537SAmplifierQSC AUDIO PROD INC·Filed 2007·Granted Apr 1, 2008·26 cites·1 claims
- 0582US6940981B2Apparatus and method of limiting power applied to a loudspeakerQSC AUDIO PROD INC·Filed 2003·Granted Sep 6, 2005·37 cites·20 claims
- 0681US7436967B2Apparatus and method of limiting power applied to a loudspeakerQSC AUDIO PROD INC·Filed 2005·Granted Oct 14, 2008·15 cites·20 claims
- 0775USD589041SAmplifierQSC AUDIO PROD INC·Filed 2008·Granted Mar 24, 2009·16 cites·1 claims
- 0875USD544859SAmplifierQSC AUDIO PROD INC·Filed 2005·Granted Jun 19, 2007·17 cites·1 claims
- 0973USD591724SSubwooferQSC AUDIO PROD INC·Filed 2008·Granted May 5, 2009·23 cites·1 claims
- 1069US4321554ATime-delayed, variable output current limiting means for power amplifiersQSC AUDIO PROD INC·Filed 1980·Granted Mar 23, 1982·15 cites·16 claims
- 1160US7606383B2Curved line array loudspeakerQSC AUDIO PROD INC·Filed 2005·Granted Oct 20, 2009·2 cites·35 claims
- 1257US7789192B2Loudspeaker port handleQSC AUDIO PROD INC·Filed 2008·Granted Sep 7, 2010·1 cites·19 claims
- 1357US7606384B2Spiral line array loudspeakerQSC AUDIO PROD INC·Filed 2005·Granted Oct 20, 2009·1 cites·31 claims
- 1454US7367423B2Speaker assembly with aiming deviceQSC AUDIO PROD INC·Filed 2004·Granted May 6, 2008·9 cites·36 claims
- 1549US6023193AHigh power bridge amplifierQSC AUDIO PROD INC·Filed 1998·Granted Feb 8, 2000·13 cites·41 claims
- 1643US2008085026A1Curved line array with horizontal coverage controlQSC AUDIO PROD INC·Filed 2005·Application pending·0 cites
- 1736USD576607SLoudspeaker port handleQSC AUDIO PROD INC·Filed 2007·Granted Sep 9, 2008·3 cites·1 claims
- 1836USD525966SSpeakerQSC AUDIO PROD INC·Filed 2005·Granted Aug 1, 2006·2 cites·1 claims
- 1935USD422598SPair of handles for a power amplifierQSC AUDIO PROD INC·Filed 1999·Granted Apr 11, 2000·4 cites·1 claims
- 2035USD420681SFace plate for a power amplifierQSC AUDIO PROD INC·Filed 1999·Granted Feb 15, 2000·4 cites·1 claims
- 2134USD560207SLoudspeaker arrayQSC AUDIO PROD INC·Filed 2006·Granted Jan 22, 2008·2 cites·1 claims
- 2234USD501198SSpeakerQSC AUDIO PROD INC·Filed 2004·Granted Jan 25, 2005·1 cites·1 claims
- 2327USD579007SLoudspeaker arrayQSC AUDIO PROD INC·Filed 2008·Granted Oct 21, 2008·0 cites·1 claims
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