Membership
Tour
Register
Log in
Ralf Tönjes
Follow
Person
Osnabruck, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Transmission of composite digital broadcast information
Patent number
8,302,148
Issue date
Oct 30, 2012
Telefonaktiebolaget L M Ericsson (Publ)
Jörg Huschke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Group hopping and channel zapping during transmission of multicast...
Patent number
7,558,262
Issue date
Jul 7, 2009
Telefonaktiebolaget L M Ericsson (Publ)
Ralf Tönjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cellular radio network reusing frequencies
Patent number
7,366,517
Issue date
Apr 29, 2008
Telefonaktiebolaget LM Ericsson (publ)
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cellular radio network reusing frequencies
Patent number
7,146,132
Issue date
Dec 5, 2006
Telefonaktiebolaget LM Ericsson (publ)
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR BROADCASTING PUSH-TO-TALK GROUP SESSIONS
Publication number
20090252084
Publication date
Oct 8, 2009
Gabor Fodor
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission Of Composite Digital Broadcast Information
Publication number
20090013365
Publication date
Jan 8, 2009
Jorg Huschke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cellular radio network reusing frequencies
Publication number
20070225002
Publication date
Sep 27, 2007
Telefonaktiebolaget LM Ericsson (publ)
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cellular radio network reusing frequencies
Publication number
20070042778
Publication date
Feb 22, 2007
Telefonaktiebolaget LM Ericsson (publ)
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Group hopping and channel zapping during transmission of multicast...
Publication number
20060268873
Publication date
Nov 30, 2006
Ralf Tonjes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cellular radio network reusing frequencies
Publication number
20040092256
Publication date
May 13, 2004
Ralf Keller
H04 - ELECTRIC COMMUNICATION TECHNIQUE