Inventor
Ulf Lindgren
Inventor
Västra Frölunda, SE
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission31%
H04LTransmission of digital information, e.g. telegraphic communication21%
H04MTelephonic communication14%
G10LSpeech analysis techniques or speech synthesis7%
H01QAntennas, i.e. radio aerials7%
H04WWireless communication networks7%
G01SRadio direction-finding3%
G10HElectrophonic musical instruments3%
H03HImpedance networks, e.g. resonant circuits3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
PatentTitleYear
9,628,232'Method of and a radio transmission system and radio access equipment for cellular wireless radio transmission'20179,184,947'Controllable filter to diagonalize a transmission channel'20158,711,987'Method and receiver for jointly decoding received communication signals using maximum likelihood detection'20148,675,763'Multi-stream communication system'20148,660,197'Method of and equipment for compensating carrier frequency offset in an orthogonal frequency division multiplexing wireless radio transmission system'20148,599,070'Device and a method for establishing communication between nodes in a wireless communication system'20138,509,334'Method and system for pre-coding for frequency selective radio communication channel'20138,483,310'Method of and a device for precoding transmit data signals in a wireless MIMO communication system'20138,249,534'Method for interference rejection'20128,219,074'Method and apparatus for communication site planning'20128,213,486'Method for simplifying the calculations for pre-whitening in a G-rake receiver'20128,089,419'Re-configurable antenna and a method for acquiring a configuration of a re-configurable antenna'20127,965,993'Method for polarization correction in user equipment'20117,948,436'Array antenna arrangement'20116,900,381'Method for removing aliasing in wave table based synthesizers'20056,768,795'Side-tone control within a telecommunication instrument'20046,717,991'System and method for dual microphone signal noise reduction using spectral subtraction'20046,704,711'System and method for modifying speech signals'20046,597,787'Echo cancellation device for cancelling echos in a transceiver unit'20036,577,675'Signal separation'20036,545,612'Apparatus and method of detecting proximity inductively'20036,442,013'Apparatus having capacitive sensor'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2015Patents assigned to ERICSSON TELEFON AB L M (20)· patent assignee history
2002–2004Based in Lund, SE· patent location history
2005–2014Based in Göteborg, SE· patent location history
2011–2017Based in Västra Frölunda, SE· patent location history
2012–2017Patents assigned to LINDGREN ULF (12)· patent assignee history
2012–2015Based in Vastra Frolunda, SE· patent location history
2013–2017Patents assigned to SAHLIN HENRIK (5)· patent assignee history
2013Patents assigned to ATHLEY FREDRIK (2)· patent assignee history
2013Patents assigned to COLDREY MIKAEL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ERICSSON TELEFON AB L M | 20 | 2002–2015 |
| LINDGREN ULFself | 12 | 2012–2017 |
| SAHLIN HENRIK | 5 | 2013–2017 |
| ATHLEY FREDRIK | 2 | 2013 |
| COLDREY MIKAEL | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Västra Frölunda, SE | 8 | 2011–2017 |
| Lund, SE | 7 | 2002–2004 |
| Vastra Frolunda, SE | 5 | 2012–2015 |
| Göteborg, SE | 2 | 2005–2014 |