Inventor · disambiguated record
Ernst Ruberl
Also filed as: RUBERL ERNST
5 granted patents·1 pending application·58 citations·filing 1982–2006
80Inventor score
Top patents by PatentIndex Score
6 records- 0174US6370257B1Apparatus 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
- 0266US4521741AImpedance transformer circuitAKG AKUSTISCHE KINO GERAETE·Filed 1982·Granted Jun 4, 1985·14 cites·16 claims
- 0356US6717305B2Apparatus having an electroacoustic transducer forming a sound reproducing means and a part of vibration generating meansKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Apr 6, 2004·5 cites·20 claims
- 0437US6038327AElectroacoustic transducer comprising a closing member for closing the rear volume of the transducerPHILIPS CORP·Filed 1998·Granted Mar 14, 2000·11 cites·8 claims
- 0537US2008240482A1Arrangement For Optimizing the Frequency Response of an Electro-Acoustic TransducerNXP BV·Filed 2006·Application pending·0 cites
- 0634US6072886AElectroacoustic transducer comprising spring contacts formed with at least one bendPHILIPS CORP·Filed 1998·Granted Jun 6, 2000·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →