Inventor
Chris Ludwig
Inventor
Birmingham, MI, US
Overview
Patents· 9 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 transducers22%
G06FElectric digital data processing13%
H04SStereophonic systems13%
LOC1413%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general9%
B60NSeats specially adapted for vehicles4%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%
H03GControl of amplification4%
H05BElectric heating4%
PatentTitleYear
10,873,797Rotating loudspeaker2020D0904343Speaker2020D0893455Soundbar202010,715,908Adjustable acoustic interface loudspeaker2020D0875106Display screen or a portion thereof with a graphical user interface202010,499,177Volume control for individual sound zones201910,421,422Sound tuning based on adjustable seat positioning201910,324,683Control for vehicle sound output2019D0813770'Vehicle display unit'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to HARMAN INT IND (9)· patent assignee history
2018–2020Based in Birmingham, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HARMAN INT IND | 9 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Birmingham, MI, US | 9 | 2018–2020 |