Inventor
Jens Kristian Poulsen
Inventor
Kitchener, CA
Overview
Patents· 41 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 transducers27%
G06FElectric digital data processing16%
G10LSpeech analysis techniques or speech synthesis7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H04JMultiplex communication5%
G10KSound-producing devices4%
G01RMeasuring electric variables3%
H03FAmplifiers3%
H03GControl of amplification3%
H03HImpedance networks, e.g. resonant circuits3%
PatentTitleYear
11,114,112Low power, high bandwidth, low latency data bus202111,050,435Sample rate conversion circuit with noise shaping modulation202110,904,661Low delay decimator and interpolator filters202110,848,131Low power lattice wave filter systems and methods202010,755,721Multichannel, multirate, lattice wave filter systems and methods202010,734,012Low power, high bandwidth, low latency data bus202010,007,637Single wire bus system20189,877,126Apparatus, systems and methods for detecting insertion or removal of an audio accessory from an electronic device20189,820,029'Device-adaptable audio headset'20179,798,684'Bus communications with multi-device messaging'20179,681,241'Apparatus, systems and methods for detecting insertion or removal of an audio accessory from an electronic device'20179,672,177'Synchronization of electronic device with another electronic device on bus using synchronization field'20179,558,731'Headphones using multiplexed microphone signals to enable active noise cancellation'20179,479,275'Multiformat digital audio interface'20169,473,876'Method and system for tunneling messages between two or more devices using different communication protocols'20169,461,812'Increased bandwidth encoding scheme'20169,313,592'Electronic device adapted for detecting a vehicle audio system'20169,252,900'Universal synchronization engine based on probabilistic methods for guarantee of lock in multiformat audio systems'20169,240,610'Rechargeable battery with reduced magnetic leak'20169,235,294'Phase sensitive low power digital ultrasonic microphone'20169,143,863'Apparatus, systems and methods for inaudibly identifying an audio accessory using spectral shaping'20159,111,438'Apparatus, systems and methods for low power detection of messages from an audio accessory'20159,032,131'Systems and methods for encoding control messages in an audio bitstream'20158,995,672'System and method for microphone polarity detection'20158,976,981'Circuit, system and method for isolating a transducer from an amplifier in an electronic device'20158,958,573'Apparatus, systems and methods for controlling an electronic device using an accessory'20158,948,685'Mobile wireless communications device using wired headset as an antenna and related methods'20158,917,883'Electronic device and audio accessory having a plurality of passive switches for controlling the audio device'20148,848,932'Proximity sensing for user detection and automatic volume regulation with sensor interruption override'20148,848,947'Low-noise microphone pre-amplifier with active load element'20148,825,497'Systems and methods for reducing audio disturbance associated with control messages in a bitstream'20148,775,707'Single wire bus system'20148,750,537'Differential microphone circuit'20148,744,094'Electronic device with increased immunity to audio noise from system ground currents'20148,675,895'Microphone assembly with integrated self-test circuitry'20148,666,095'Fast precision charge pump'20148,036,401'Calibrated microelectromechanical microphone'20117,630,504'Microphone comprising integral multi-level quantizer and single-bit conversion means'20097,548,626'Detection and control of diaphragm collapse in condenser microphones'20097,336,794'High efficiency driver for miniature loudspeakers'20087,292,876'Digital system bus for use in low power instruments such as hearing aids and listening devices'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2011Based in Hedehusene, DK· patent location history
2011–2014Patents assigned to EPCOS PTE LTD (3)· patent assignee history
2014–2018Patents assigned to BLACKBERRY LTD (28)· patent assignee history
2014–2016Patents assigned to POULSEN JENS KRISTIAN (15)· patent assignee history
2014–2015Patents assigned to EL-HAGE MOHAMAD (4)· patent assignee history
2014–2021Based in Kitchener, CA· patent location history
2014–2020Based in Waterloo, CA· patent location history
2020–2021Patents assigned to SYNAPTICS INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLACKBERRY LTD | 28 | 2014–2018 |
| POULSEN JENS KRISTIANself | 15 | 2014–2016 |
| SYNAPTICS INC | 5 | 2020–2021 |
| EL-HAGE MOHAMAD | 4 | 2014–2015 |
| EPCOS PTE LTD | 3 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kitchener, CA | 28 | 2014–2021 |
| Waterloo, CA | 8 | 2014–2020 |
| Hedehusene, DK | 5 | 2007–2011 |