Inventor
Ragnar H. Jonsson
Inventor
Laguna Niguel, CA, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication16%
H04NPictorial communication, e.g. television10%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems9%
H04MTelephonic communication9%
H04BTransmission7%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%
G01RMeasuring electric variables4%
G10KSound-producing devices4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
H03GControl of amplification4%
PatentTitleYear
11,030,989Methods and systems for end-user tuning of an active noise cancelling audio device202110,103,694Audio driver system and method20189,654,866'System and method for dynamic range compensation of distortion'20179,473,865'Integrated motion detection using changes in acoustic echo path'20169,426,279'Systems and methods for echo cancellation and echo suppression'20169,209,709'Method and system for hysteresis control of a power circuit'20159,160,864'Systems and methods for stereo echo cancellation'20159,124,219'Audio driver system and method'20159,081,657'Apparatus and method for abstract memory addressing'20159,060,217'Audio driver system and method'20158,983,092'Waveform shaping system to prevent electrical and mechanical saturation in loud speakers'20158,872,678'Systems and methods for variable rate conversion'20148,665,498'Method and system for automatically detecting and processing halftone regions in scanned documents'20148,638,953'Systems and methods for generating phantom bass'20148,634,569'Systems and methods for echo cancellation and echo suppression'20148,587,974'Method and device for increasing control accuracy in a PWM system'20138,477,394'Systems and methods for color defringing'20138,253,610'Systems and methods for variable rate conversion'20127,920,078'Systems and methods for variable rate conversion'20117,698,577'Communication system activation'20107,187,713'Method and apparatus for intelligent modem warm start'20077,098,630'Control means and methods for a transistor switch circuit'20067,035,118'Control means for a transistor switch circuit'20066,947,857'Optical sequence time domain reflectometry during data transmission'20056,940,736'Multiple switch circuit with limited switch frequency'20056,934,655'Method and apparatus for transmission line analysis'20056,928,107'Iterative precoding system and method for resource limited data transceivers'20056,885,954'Sequence time domain reflectometry using complementary golay codes'20056,829,293'Method and apparatus for line probe signal processing'20046,697,768'Adaptive method and apparatus for transmission line analysis'20046,693,992'Line probe signal and method of use'20046,434,233'Method and apparatus for canceling periodic interference signals in a digital data communication system'20026,414,990'Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristics'20026,373,530'Logo insertion based on constrained encoding'20026,226,041'Logo insertion using only disposable frames'20016,208,643'Apparatus and method for analyzing bitstreams'20016,028,639'Process and apparatus for converting an MPEG-2 bitstream into SMPTE-259 compatible bitstream'20005,986,712'Hybrid global/local bit rate control'19995,294,876'Method and apparatus for controlling an AC induction motor by indirect measurement of the air-gap voltage'19944,947,309'Method and means for controlling a bridge circuit'19904,458,193'Method and apparatus for controlling an AC induction motor'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2006Patents assigned to JOENSSON RAGNAR (4)· patent assignee history
1990–2015Based in Ystad, SE· patent location history
2000–2010Based in Reykjavik, IS· patent location history
2001Based in Skagastrond, IS· patent location history
2002–2017Patents assigned to CONEXANT SYSTEMS INC (17)· patent assignee history
2004–2010Patents assigned to MINDSPEED TECH INC (7)· patent assignee history
2004–2005Based in Raykjavik, IS· patent location history
2011–2021Based in Laguna Niguel, CA, US· patent location history
2012–2015Patents assigned to JONSSON RAGNAR H (11)· patent assignee history
2012–2015Patents assigned to THORMUNDSSON TRAUSTI (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONEXANT SYSTEMS INC | 17 | 2002–2017 |
| JONSSON RAGNAR Hself | 11 | 2012–2015 |
| THORMUNDSSON TRAUSTI | 10 | 2012–2015 |
| MINDSPEED TECH INC | 7 | 2004–2010 |
| JOENSSON RAGNAR | 4 | 1984–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Laguna Niguel, California, US | 17 | 2011–2021 |
| Reykjavik, IS | 10 | 2000–2010 |
| Ystad, SE | 7 | 1990–2015 |
| Raykjavik, IS | 4 | 2004–2005 |
| Skagastrond, IS | 1 | 2001 |