Inventor
FRASL EWALD
NL22 patents
⚠️ This page may combine multiple inventors who share the name “FRASL EWALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
7 patentsUS6075866AJun 13, 2000
Electroacoustic transducer having axially extending corrugated supporting means for the diaphragm
PHILIPS CORP27 citations92
US5727077AMar 10, 1998
Electroacoustic transducer comprising a closing member
PHILIPS CORP20 citations92
US5303209AApr 12, 1994
Electroacoustic transducer having a partition wall and a mask wall
PHILIPS CORP31 citations92
US6370257B1Apr 9, 2002
Apparatus including an electroacoustic transducer having terminal contacts which extend in the direction of the transducer axis and including a printed circuit board having mating contacts
PHILIPS CORP21 citations90
US6178252B1Jan 23, 2001
Electroacoustic transducer comprising a diaphragm having through portions for mounting a voice coil
PHILIPS CORP19 citations84
US6072886AJun 6, 2000
Electroacoustic transducer comprising spring contacts formed with at least one bend
PHILIPS CORP7 citations72
US6038327AMar 14, 2000
Electroacoustic transducer comprising a closing member for closing the rear volume of the transducer
PHILIPS CORP11 citations71
KONINKL PHILIPS ELECTRONICS NV
6 patentsUS6697496B2Feb 24, 2004
Electroacoustic transducer comprising a membrane with an improved pleats area
KONINKL PHILIPS ELECTRONICS NV41 citations92
US6799361B2Oct 5, 2004
Method for manufacturing an electroacoustical transducer comprising a membrane configuration
KONINKL PHILIPS ELECTRONICS NV9 citations73
US6526152B2Feb 25, 2003
Electroacoustic transducer having a moving coil and elastic holding elements for the connecting leads of the moving coil
KONINKL PHILIPS ELECTRONICS NV10 citations73
US6510232B2Jan 21, 2003
Electroacoustic transducer having diaphragm with coil mounting projections and interposed stabilizing walls
KONINKL PHILIPS ELECTRONICS NV10 citations73
US7043046B2May 9, 2006
Method for manufacturing an electroacoustical transducer comprising a membrane configuration
KONINKL PHILIPS ELECTRONICS NV1 citations62
US6831989B2Dec 14, 2004
Electroacoustic transducer having a moving coil and having movable holding elements for the connecting leads of the moving coil
KONINKL PHILIPS ELECTRONICS NV3 citations62
NXP BV
3 patentsUS7306073B2Dec 11, 2007
Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves
NXP BV41 citations92
US7644801B2Jan 12, 2010
Membrane with a high resistance against buckling and/or crinkling
NXP BV10 citations83
US7895727B2Mar 1, 2011
Method for manufacturing an electroacoustical transducer comprising a membrane configuration
NXP BV0 citations52