Heimo Lahdemaki

Person

Pirkkala, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Remote test of a subscriber connection in a system implementing a w...
- Patent number 6,169,883
- Issue date Jan 2, 2001
- Nokia Telecommunications Oy
- Markku Vimpari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for remotely changing the telecommunication settings of a su...
- Patent number 6,167,257
- Issue date Dec 26, 2000
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for transmitting charge information to a wireless subscriber...
- Patent number 6,052,575
- Issue date Apr 18, 2000
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of preventing a divergence of an adaptive echo canceller in...
- Patent number 5,477,535
- Issue date Dec 19, 1995
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement for the control of an echo canceller
- Patent number 5,450,487
- Issue date Sep 12, 1995
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for the detection of a disable tone signal of an echo canceller
- Patent number 5,420,921
- Issue date May 30, 1995
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for non-linear signal processing in an echo canceller
- Patent number 5,396,488
- Issue date Mar 7, 1995
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of converging an echo canceller
- Patent number 5,381,474
- Issue date Jan 10, 1995
- Nokia Telecommunications Oy
- Heimo Lahdemaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Heimo Lahdemaki

Person

Patents Grantslast 30 patents

Remote test of a subscriber connection in a system implementing a w...

Method for remotely changing the telecommunication settings of a su...

System for transmitting charge information to a wireless subscriber...

Method of preventing a divergence of an adaptive echo canceller in...

Arrangement for the control of an echo canceller

Method for the detection of a disable tone signal of an echo canceller

Method for non-linear signal processing in an echo canceller

Method of converging an echo canceller