John Philipsson

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Lund, SE

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker volume range control
- Patent number 7,006,624
- Issue date Feb 28, 2006
- Telefonaktiebolaget L M Ericsson (Publ)
- John Philipsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Echo cancellation device for cancelling echos in a transceiver unit
- Patent number 6,597,787
- Issue date Jul 22, 2003
- Telefonaktiebolaget L M Ericsson (Publ)
- Ulf Lindgren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for improving echo suppression in bi-directio...
- Patent number 6,560,332
- Issue date May 6, 2003
- Telefonaktiebolaget LM Ericsson (publ)
- Nils Christensson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enhancement of near-end voice signals in an echo suppression system
- Patent number 6,510,224
- Issue date Jan 21, 2003
- Telefonaktiebolaget L M Ericsson
- Nils Christensson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE