Inventor
Adrianus Maria Lafort
Inventor
Delft, NL
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers55%
H03FAmplifiers17%
B81BMicrostructural devices or systems, e.g. micromechanical devices6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
F16KValves2%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves2%
G05FSystems for regulating electric or magnetic variables2%
G10KSound-producing devices2%
H01FMagnets2%
H03GControl of amplification2%
PatentTitleYear
11,051,107Miniature receiver202110,951,169Amplifier comprising two parallel coupled amplifier units202110,904,671Miniature speaker with acoustical mass202110,887,705Electronic circuit and in-ear piece for a hearing device202110,656,006Sensing circuit comprising an amplifying circuit and an amplifying circuit202010,349,170Microelectromechanical systems (MEMS) microphone bias voltage201910,327,072Phase correcting system and a phase correctable transducer system201910,264,361Transducer with a high sensitivity201910,243,521Circuit for providing a high and a low impedance and a system comprising the circuit201910,206,047Micro-electro-mechanical system microphone with dual backplates201910,045,121Microelectromechanical systems (MEMS) microphone bias voltage201810,009,693Receiver having a suspended motor assembly20189,888,326'Transducer, a hearing aid comprising the transducer and a method of operating the transducer'20189,736,591'Loudspeaker, an armature and a method'20179,473,855'Moving armature receiver assemblies with vibration suppression'20169,247,359'Transducer, a hearing aid comprising the transducer and a method of operating the transducer'20169,066,190'Hearing aid with a pump arrangement'20158,995,705'Multi-layer armature for moving armature receiver'20158,792,672'Moving armature receiver assemblies with vibration suppression'20148,712,084'Motor assembly'20148,526,651'Receiver module for inflating a membrane in an ear device'20138,526,652'Receiver assembly for an inflatable ear device'20137,286,680'Cylindrical microphone having an electret assembly in the end cover'20077,239,714'Microphone having a flexible printed circuit board for mounting components'20077,149,317'CMOS high impedance circuit'20067,062,058'Cylindrical microphone having an electret assembly in the end cover'20066,937,735'Microphone for a listening device having a reduced humidity coefficient'20056,353,344'High impedance bias circuit'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2019Based in Delft, NL· patent location history
2005–2006Patents assigned to SONIONMICROTRONIC NEDERLAND (2)· patent assignee history
2006–2021Patents assigned to SONION NEDERLAND BV (22)· patent assignee history
2013Patents assigned to LAFORT ADRIANUS M (2)· patent assignee history
2014–2015Patents assigned to LAFORT ADRIANUS MARIA (3)· patent assignee history
2018–2019Patents assigned to INVENSENSE INC (3)· patent assignee history
2019–2021Based in Hoofddorp, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONION NEDERLAND BV | 22 | 2006–2021 |
| INVENSENSE INC | 3 | 2018–2019 |
| LAFORT ADRIANUS MARIAself | 3 | 2014–2015 |
| LAFORT ADRIANUS Mself | 2 | 2013 |
| SONIONMICROTRONIC NEDERLAND | 2 | 2005–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Delft, NL | 20 | 2002–2019 |
| Hoofddorp, NL | 8 | 2019–2021 |