Inventor
Hilmar Lehnert
Inventor
Framingham, MA, US
Overview
Patents· 53 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 transducers38%
H04SStereophonic systems23%
G06FElectric digital data processing12%
LOC149%
G05BControl or regulating systems in general5%
H04BTransmission3%
H04JMultiplex communication3%
H05KPrinted circuits3%
G10LSpeech analysis techniques or speech synthesis2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
D0921611Media player202110,880,671Systems and methods of adjusting bass levels of multi-channel audio signals2020D0906284Playback device202010,863,273Modified directional effect202010,721,575Providing a multi-channel and a multi-zone audio environment202010,671,042Remote command learning202010,499,152Automatic audio system equalizing201910,462,599Systems and methods of adjusting bass levels of multi-channel audio signals2019D0864909Speaker panel for a playback device201910,462,592Calibration error conditions201910,386,809Remote command learning2019D0855587Playback device201910,349,175Modified directional effect2019D0842271Playback device201910,129,679Calibration error conditions201810,051,398Providing playback timing in a multi-zone audio environment201810,051,393Automatic audio system equalizing20189,973,851Multi-channel playback of audio content20189,952,576Methods and apparatus to learn and share remote commands2018D0815062Media player20189,936,294Automatic audio system equalizing20189,915,931'Remote command learning'2018D0806678'Playback device'20189,781,533'Calibration error conditions'20179,769,580'Automatic audio system equalizing'20179,730,359'Speaker cooling'20179,678,712'Remote command learning'20179,628,911'Automatic audio system equalizing'20179,609,433'Automatic audio system equalizing'20179,547,298'Methods and apparatus to learn and share remote commands'20179,538,305'Calibration error conditions'20179,516,440'Providing a multi-channel and a multi-zone audio environment'2016D0768602'Playback device'20169,451,724'Speaker cooling'20169,426,574'Automatic audio source switching'2016D0759629'Playback device'20169,354,677'Speaker cooling'2016D0746258'Speaker panel for a playback device'2015D0721352'Playback device'2015D0721059'Speaker panel for a playback device'20158,620,006'Center channel rendering'20138,553,894'Active and passive directional acoustic radiating'20138,374,359'Kick gate'20138,351,621'System and method for excursion limiting'20138,295,526'Low frequency enclosure for video display devices'20128,265,310'Multi-element directional acoustic arrays'20128,150,047'Automatic audio system equalizing'20128,139,774'Multi-element directional acoustic arrays'20127,936,891'Line array electroacoustical transducing'20117,483,540'Automatic audio system equalizing'20097,382,888'Phase shifting audio signal combining'20087,319,767'Line array electroacoustical transducing'20087,016,501'Directional decoding'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2019Patents assigned to BOSE CORP (19)· patent assignee history
2006–2021Based in Framingham, MA, US· patent location history
2011–2017Patents assigned to LEHNERT HILMAR (14)· patent assignee history
2012–2013Patents assigned to BERARDI WILLIAM (4)· patent assignee history
2012–2017Patents assigned to ARNOLD FINN (3)· patent assignee history
2015–2021Patents assigned to SONOS INC (32)· patent assignee history
2016–2019Based in Santa Barbara, CA, US· patent location history
2016Based in Framinghman, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONOS INC | 32 | 2015–2021 |
| BOSE CORP | 19 | 2006–2019 |
| LEHNERT HILMARself | 14 | 2011–2017 |
| BERARDI WILLIAM | 4 | 2012–2013 |
| ARNOLD FINN | 3 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Framingham, Massachusetts, US | 48 | 2006–2021 |
| Santa Barbara, California, US | 4 | 2016–2019 |
| Framinghman, Massachusetts, US | 1 | 2016 |