Torbjörn Randahl

Person

Nacka, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Echo canceling arrangement
- Patent number 8,588,403
- Issue date Nov 19, 2013
- Lantiq Deutschland GmbH
- Stefan Barkarö
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo canceling arrangement
- Patent number 7,839,993
- Issue date Nov 23, 2010
- Lantiq Deutschland GmbH
- Stefan Barkarö
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
xDSL-line-interface-circuit
- Patent number 7,801,296
- Issue date Sep 21, 2010
- Infineon Technologies AG
- Karl Stefan Barkarö
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Class D-amplifier
- Patent number 7,282,992
- Issue date Oct 16, 2007
- Infineon Technologies AG
- Karl Stefan Barkaro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter/receiver for bidirectional communications
- Patent number 7,221,702
- Issue date May 22, 2007
- Infineon Technologies AG
- Allan Olson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and arrangement for minimizing power dissipation in a line d...
- Patent number 6,757,834
- Issue date Jun 29, 2004
- Infineon Technologies AG
- Torbjörn Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and an arrangement for securing an ADSL connection
- Patent number 6,687,370
- Issue date Feb 3, 2004
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Barkarö
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo and distortion cancellation arrangement
- Patent number 6,636,605
- Issue date Oct 21, 2003
- Telefonaktiebolaget LM Ericsson (publ)
- Torbjörn Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and an arrangement for securing an ADSL connection
- Patent number 6,625,175
- Issue date Sep 23, 2003
- Telefonaktiebolaget LM Ericsson (publ)
- Torbjörn Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for generating a ringing signal
- Patent number 6,167,135
- Issue date Dec 26, 2000
- Telefonaktiebolaget LM Ericsson
- Stefan Barkaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for off-hook detection during ringing and the use of a subsc...
- Patent number 5,734,712
- Issue date Mar 31, 1998
- Telefonaktiebolaget LM Ericsson
- Torbjorn Ivar Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and an arrangement for generating a ringing signal
- Patent number 5,553,132
- Issue date Sep 3, 1996
- Telefonaktiebolaget LM Ericsson
- Torbjorn I. Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ECHO CANCELING ARRANGEMENT
- Publication number 20100289523
- Publication date Nov 18, 2010
- Stefan Barkaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Class D-amplifier
- Publication number 20060006941
- Publication date Jan 12, 2006
- Karl Stefan Barkaro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Broadband XDSL transceiver
- Publication number 20050286710
- Publication date Dec 29, 2005
- Infineon Technologies AG
- Stefan Barkaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
xDSL-line-interface-circuit
- Publication number 20050213646
- Publication date Sep 29, 2005
- Infineon Technologies AG
- Karl Stefan Barkaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Class-D line driver arrangement
- Publication number 20050156664
- Publication date Jul 21, 2005
- Torbjorn Randahl
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Transmitter/receiver for bidirectional communications
- Publication number 20050063477
- Publication date Mar 24, 2005
- Allan Olson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Echo canceling arrangement
- Publication number 20040218754
- Publication date Nov 4, 2004
- Stefan Barkaro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and arrangement for minimizing power dissipation in a line d...
- Publication number 20010034851
- Publication date Oct 25, 2001
- Torbjorn Randahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Torbjörn Randahl

Person

Patents Grantslast 30 patents

Echo canceling arrangement

Echo canceling arrangement

xDSL-line-interface-circuit

Class D-amplifier

Transmitter/receiver for bidirectional communications

Method and arrangement for minimizing power dissipation in a line d...

Method and an arrangement for securing an ADSL connection

Echo and distortion cancellation arrangement

Method and an arrangement for securing an ADSL connection

Method and apparatus for generating a ringing signal

Method for off-hook detection during ringing and the use of a subsc...

Method and an arrangement for generating a ringing signal

Patents Applicationslast 30 patents

ECHO CANCELING ARRANGEMENT

Class D-amplifier

Broadband XDSL transceiver

xDSL-line-interface-circuit

Class-D line driver arrangement

Transmitter/receiver for bidirectional communications

Echo canceling arrangement

Method and arrangement for minimizing power dissipation in a line d...