Assignee
TELEFONAKTIBOLAGET LM ERICSSON
US·2 granted patents·64 citations·filing 1997–1998
Top patents by PatentIndex Score
2 records- 0171US6208959B1Mapping of digital data symbols onto one or more formant frequencies for transmission over a coded voice channelTELEFONAKTIBOLAGET LM ERICSSON·Filed 1997·Granted Mar 27, 2001·64 cites·26 claims
- 0226US6128499AMethod and device for determining and selecting frequenciesTELEFONAKTIBOLAGET LM ERICSSON·Filed 1998·Granted Oct 3, 2000·0 cites·10 claims
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