Inventor · disambiguated record
Bengt Gustav Lofmark
Also filed as: LOEFMARK BENGT · LOEFMARK BENGT G · LOFMARK BENGT GUSTAV
11 granted patents·72 citations·filing 1974–2001
89Inventor score
Files withERICSSON TELEFON AB L M11
Top patents by PatentIndex Score
11 records- 0148US7447305B2Method and arrangement for filtering of signalsERICSSON TELEFON AB L M·Filed 2001·Granted Nov 4, 2008·4 cites·33 claims
- 0244US3974447APilot receiverERICSSON TELEFON AB L M·Filed 1974·Granted Aug 10, 1976·6 cites·6 claims
- 0342US5446787AMethod for avoiding self-oscillation in conjunction with echo cancellationERICSSON TELEFON AB L M·Filed 1993·Granted Aug 29, 1995·12 cites·36 claims
- 0441US4498018ABalancing impedance included in a forkERICSSON TELEFON AB L M·Filed 1982·Granted Feb 5, 1985·8 cites·6 claims
- 0540US4908854AApparatus for connecting and disconnecting a ringing signal to a called subscriberERICSSON TELEFON AB L M·Filed 1988·Granted Mar 13, 1990·6 cites·4 claims
- 0639US6694013B1Filter arrangement and method for telecommunication deviceERICSSON TELEFON AB L M·Filed 1999·Granted Feb 17, 2004·6 cites·18 claims
- 0738US3938040AApparatus for measuring a signal voltage including a current source with a control input on which said signal appearsERICSSON TELEFON AB L M·Filed 1974·Granted Feb 10, 1976·4 cites·3 claims
- 0836US5335272AMethod and arrangement for supplying direct current to a telephone lineERICSSON TELEFON AB L M·Filed 1993·Granted Aug 2, 1994·13 cites·13 claims
- 0935US5446728AMethod and arrangement for use in the elimination of echoes in a subscriber line circuitERICSSON TELEFON AB L M·Filed 1991·Granted Aug 29, 1995·7 cites·2 claims
- 1034US4092499AApparatus for detecting a voice frequency signalERICSSON TELEFON AB L M·Filed 1976·Granted May 30, 1978·3 cites·4 claims
- 1124US4074073APilot receiver memory unit in a carrier frequency systemERICSSON TELEFON AB L M·Filed 1976·Granted Feb 14, 1978·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →