Assignee
AUDIO PRECISION INC
US·13 granted patents·547 citations·filing 1985–1996
Top patents by PatentIndex Score
13 records- 0198US5136267ATunable bandpass filter system and filtering methodAUDIO PRECISION INC·Filed 1990·Granted Aug 4, 1992·159 cites·42 claims
- 0294US5475315AMethod and apparatus for fast response and distortion measurementAUDIO PRECISION INC·Filed 1993·Granted Dec 12, 1995·70 cites·26 claims
- 0393US5420516AMethod and apparatus for fast response and distortion measurementAUDIO PRECISION INC·Filed 1993·Granted May 30, 1995·65 cites·4 claims
- 0488US5748001AMethod and apparatus for fast response and distortion measurementAUDIO PRECISION INC·Filed 1996·Granted May 5, 1998·46 cites·4 claims
- 0587US5818240AMethod and system for measuring signal transfer characteristics in the presence of WOW, flutter and intermodulation distortionAUDIO PRECISION INC·Filed 1996·Granted Oct 6, 1998·42 cites·6 claims
- 0683US5649304AMethod and apparatus for communicating auxiliary information in a measurement signalAUDIO PRECISION INC·Filed 1995·Granted Jul 15, 1997·34 cites·12 claims
- 0781US5336989AAC mains test apparatus and methodAUDIO PRECISION INC·Filed 1991·Granted Aug 9, 1994·49 cites·12 claims
- 0870US5089981AHybrid form digital filterAUDIO PRECISION INC·Filed 1989·Granted Feb 18, 1992·18 cites·12 claims
- 0966US4631522AMethod and circuit for compensation of a multiplying digital-to-analog converterAUDIO PRECISION INC·Filed 1985·Granted Dec 23, 1986·20 cites·5 claims
- 1046US5247458AMethod and apparatus for testing a digital system for the occurrence of errorsAUDIO PRECISION INC·Filed 1990·Granted Sep 21, 1993·11 cites·29 claims
- 1145US4563652ADual-stage filter with feedbackAUDIO PRECISION INC·Filed 1985·Granted Jan 7, 1986·8 cites·7 claims
- 1244US5265201AMaster-slave processor human interface systemAUDIO PRECISION INC·Filed 1992·Granted Nov 23, 1993·20 cites·34 claims
- 1340US4614914ALow-distortion transformer-coupled circuitAUDIO PRECISION INC·Filed 1985·Granted Sep 30, 1986·5 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →