Inventor
Torben Christiansen
Inventor
Ballerup, DK
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers22%
H04MTelephonic communication9%
Y10TTechnical subjects covered by former us classification9%
A61BDiagnosis4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
H03FAmplifiers4%
H03GControl of amplification4%
H04LTransmission of digital information, e.g. telegraphic communication4%
H04NPictorial communication, e.g. television4%
PatentTitleYear
10,616,303Communication system including eavesdropping202010,582,291Wireless hearing device202010,368,152Microphone arrangement201910,250,751Mobile conference system20199,325,285'Method of reducing un-correlated noise in an audio processing device'20169,288,562'Microphone boom'20169,100,737'Microphone boom'2015D0611245'Cassette for storage and transport of flat objects'20104,935,373'Reference liquid'19904,874,501'Membrane for an electrochemical measuring electrode device'19894,780,192'Polarographic measuring electrode device'19884,384,586'Method and apparatus for pH recording'19834,363,633'Reference liquid'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1990Patents assigned to RADIOMETER AS (4)· patent assignee history
1982–1990Based in Holte, DK· patent location history
2010Patents assigned to BCM TRANSTECH AS (1)· patent assignee history
2010Based in Broby, DK· patent location history
2015–2016Patents assigned to SENNHEISER COMM AS (3)· patent assignee history
2015–2020Based in Ballerup, DK· patent location history
2016–2020Patents assigned to OTICON AS (2)· patent assignee history
2019–2020Patents assigned to SENNHEISER COMMUNICATIONS AS (3)· patent assignee history
2019Based in Copenhagen, DK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RADIOMETER AS | 4 | 1982–1990 |
| SENNHEISER COMM AS | 3 | 2015–2016 |
| SENNHEISER COMMUNICATIONS AS | 3 | 2019–2020 |
| OTICON AS | 2 | 2016–2020 |
| BCM TRANSTECH AS | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ballerup, DK | 6 | 2015–2020 |
| Holte, DK | 5 | 1982–1990 |
| Copenhagen, DK | 1 | 2019 |
| Broby, DK | 1 | 2010 |