Bengt Roland Carlqvist

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Stockholm, SE

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Patents Grantslast 30 patents

Information Patent Grant
PLL having two-frequency VCO
- Patent number 4,573,024
- Issue date Feb 25, 1986
- Telefonaktiebolaget L M Ericsson
- Bengt R. Carlqvist
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FIR-Type balance filter incorporated in the transmitter-receiver un...
- Patent number 4,571,719
- Issue date Feb 18, 1986
- Telefonaktiebolaget L M Ericsson
- Bengt R. Carlqvist
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of providing adaptive echo cancellation in transmission of d...
- Patent number 4,539,674
- Issue date Sep 3, 1985
- Telefonaktiebolaget LM Ericsson
- Bengt R. Carlqvist
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver apparatus for detection of two voice frequencies in a mult...
- Patent number 4,107,475
- Issue date Aug 15, 1978
- Telefonaktiebolaget L M Ericsson
- Bengt Roland Carlqvist
- H04 - ELECTRIC COMMUNICATION TECHNIQUE