Inventor · disambiguated record
Henrik Hellberg
Also filed as: HELLBERG HENRIK · HELLBERG HENRIK HELMER
11 granted patents·33 citations·filing 1995–2002
86Inventor score
Top patents by PatentIndex Score
11 records- 0154US6498849B1Arrangement in a subscriber line interface circuitERICSSON TELEFON AB L M·Filed 2000·Granted Dec 24, 2002·2 cites·7 claims
- 0253US6973181B2Method of generating a ring signal in a subscriber line interface circuit technical fieldINFINEON TECHNOLOGIES WIRELESS·Filed 2002·Granted Dec 6, 2005·1 cites·19 claims
- 0346US7098723B2Semiconductor circuit regulatorINFINEON TECHNOLOGIES AG·Filed 2002·Granted Aug 29, 2006·3 cites·7 claims
- 0437US6542605B1Method and arrangement for choosing supply voltageERICSSON TELEFON AB L M·Filed 1999·Granted Apr 1, 2003·8 cites·2 claims
- 0536US6148076AMethod and an arrangement for controlling the operating mode of a subscriber line interface circuitERICSSON TELEFON AB L M·Filed 1997·Granted Nov 14, 2000·7 cites·3 claims
- 0632US5960076AMethod and apparatus for determining the deviation of longitudinal signal components from a predetermined valueERICSSON TELEFON AB L M·Filed 1995·Granted Sep 28, 1999·3 cites·4 claims
- 0732US5801520ASupply voltage switching apparatusERICSSON TELEFON AB L M·Filed 1995·Granted Sep 1, 1998·3 cites·6 claims
- 0831US5901221ADriving stage for driving differential amplifiers of a subscriber line interface circuitERICSSON TELEFON AB L M·Filed 1995·Granted May 4, 1999·2 cites·2 claims
- 0930US6119090ASubscriber line interface circuit which automatically adjusts the signal headroom on a telephone line and a method of doing the sameERICSSON TELEFON AB L M·Filed 1998·Granted Sep 12, 2000·2 cites·10 claims
- 1028US6195429B1Arrangement in a subscriber line interface circuitERICSSON TELEFON AB L M·Filed 1998·Granted Feb 27, 2001·2 cites·9 claims
- 1127US6239648B1System and method for dissipating heat in an electric deviceERICSSON TELEFON AB L M·Filed 1997·Granted May 29, 2001·0 cites·9 claims
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