Inventor · disambiguated record
Ewald Frasl
Also filed as: FRASL EWALD
22 granted patents·1 pending application·295 citations·filing 1993–2016
95Inventor score
Top patents by PatentIndex Score
23 records- 0187US7306073B2Electroacoustic transducer comprising a membrane with a middle area comprising stiffening groovesNXP BV·Filed 2003·Granted Dec 11, 2007·41 cites·11 claims
- 0287US6697496B2Electroacoustic transducer comprising a membrane with an improved pleats areaKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Feb 24, 2004·41 cites·12 claims
- 0385US8284964B2Compound membrane, method of manufacturing the same, and acoustic deviceWINDISCHBERGER SUSANNE·Filed 2007·Granted Oct 9, 2012·16 cites·12 claims
- 0481US7416047B2Diaphragm for a loudspeaker with a moving coilFRASL EWALD·Filed 2005·Granted Aug 26, 2008·15 cites·11 claims
- 0580US7644801B2Membrane with a high resistance against buckling and/or crinklingNXP BV·Filed 2006·Granted Jan 12, 2010·10 cites·8 claims
- 0674US6370257B1Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contactsPHILIPS CORP·Filed 2000·Granted Apr 9, 2002·21 cites·26 claims
- 0767US6799361B2Method for manufacturing an electroacoustical transducer comprising a membrane configurationKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Oct 5, 2004·9 cites·4 claims
- 0864US6510232B2Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing wallsKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jan 21, 2003·10 cites·6 claims
- 0963US6526152B2Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coilKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Feb 25, 2003·10 cites·2 claims
- 1057US5303209AElectroacoustic transducer having a partition wall and a mask wallPHILIPS CORP·Filed 1993·Granted Apr 12, 1994·31 cites·10 claims
- 1155US6075866AElectroacoustic transducer having axially extending corrugated supporting means for the diaphragmPHILIPS CORP·Filed 1999·Granted Jun 13, 2000·27 cites·17 claims
- 1252US8437496B2Membrane for an acoustic device and acoustic deviceFRASL EWALD·Filed 2008·Granted May 7, 2013·0 cites·9 claims
- 1352US6831989B2Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coilKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Dec 14, 2004·3 cites·4 claims
- 1451US7895727B2Method for manufacturing an electroacoustical transducer comprising a membrane configurationNXP BV·Filed 2006·Granted Mar 1, 2011·0 cites·4 claims
- 1551US7043046B2Method for manufacturing an electroacoustical transducer comprising a membrane configurationKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted May 9, 2006·1 cites·1 claims
- 1650US8628830B2Method of and device for modifying the properties of a membrane for an electroacoustic transducerAMON STEFAN·Filed 2005·Granted Jan 14, 2014·3 cites·10 claims
- 1748US5727077AElectroacoustic transducer comprising a closing memberPHILIPS CORP·Filed 1996·Granted Mar 10, 1998·20 cites·5 claims
- 1847US6178252B1Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coilPHILIPS CORP·Filed 1999·Granted Jan 23, 2001·19 cites·6 claims
- 1942US8892174B2LoudspeakerWEBER MATHIAS·Filed 2011·Granted Nov 18, 2014·0 cites·12 claims
- 2041US2010046773A1Acoustic device and method of manufacturing the sameNXP BV·Filed 2007·Application pending·0 cites
- 2137US6038327AElectroacoustic transducer comprising a closing member for closing the rear volume of the transducerPHILIPS CORP·Filed 1998·Granted Mar 14, 2000·11 cites·8 claims
- 2234US6072886AElectroacoustic transducer comprising spring contacts formed with at least one bendPHILIPS CORP·Filed 1998·Granted Jun 6, 2000·7 cites·6 claims
- 2328US9769583B2Vibration membrane assembly for speaker, speaker and method for producing the assemblyKNOWLES IPC (M) SND BHD·Filed 2016·Granted Sep 19, 2017·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →