Inventor
Charles B. Harmke
Inventor
Huntley, IL, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing20%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
H04BTransmission17%
H04MTelephonic communication17%
H04WWireless communication networks10%
G08BSignalling systems, e.g. personal calling systems3%
G10HElectrophonic musical instruments3%
G10KSound-producing devices3%
G10LSpeech analysis techniques or speech synthesis3%
H02JElectric power networks3%
PatentTitleYear
10,887,685Adaptive white noise gain control and equalization for differential microphone array202110,779,067Systems for reducing wind-induced noise and water infiltration in communication devices202010,698,850Multimode audio accessory connector202010,452,584Multimode audio accessory connector201910,455,340Validating the operation of a transducer and an audio signal path201910,236,972Method and apparatus for providing expanded interface operation between a portable communication device and an accessory201910,069,322Methods and systems of managing power in a portable electronic device20189,998,577Method and apparatus for managing noise levels using push-to-talk event activated vibration microphone20189,807,498'System and method for beamforming audio signals received from a microphone array'20179,678,909'Methods and systems of exchanging data between an electronic device and an external accessory'20179,232,366'Dual-watch collar-wearable communication device'20168,909,173'Method and apparatus for operating accessory interface functions over a single signal'20148,271,037'Method and system for automatic audio accessory use position detection and audio adjustment'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2021Patents assigned to MOTOROLA SOLUTIONS INC (13)· patent assignee history
2012–2014Patents assigned to HARMKE CHARLES B (2)· patent assignee history
2012Based in Port Barrington, IL, US· patent location history
2014–2021Based in Huntley, IL, US· patent location history
2018Based in Elmhurst, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA SOLUTIONS INC | 13 | 2012–2021 |
| HARMKE CHARLES Bself | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Huntley, Illinois, US | 11 | 2014–2021 |
| Elmhurst, Illinois, US | 1 | 2018 |
| Port Barrington, Illinois, US | 1 | 2012 |