Nigel P. Dyer

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Low frequency digital notch filter
- Patent number 4,947,360
- Issue date Aug 7, 1990
- Plessey Overseas Limited
- Nigel P. Dyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interpolator/decimator filter structure and a notch filter therefor
- Patent number 4,908,787
- Issue date Mar 13, 1990
- Plessey Overseas Limited
- Nigel P. Dyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital interface between at least two subscriber line interface ci...
- Patent number 4,893,309
- Issue date Jan 9, 1990
- Siemens AG
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital interface of an integrated subscriber line interface circuit
- Patent number 4,881,226
- Issue date Nov 14, 1989
- Siemens Aktiengesellschaft
- Robert Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interpolator/decimator filter structure and a digital filter therefor
- Patent number 4,864,526
- Issue date Sep 5, 1989
- Plessey Overseas Limited
- Nigel P. Dyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Echo canceller
- Patent number 4,757,527
- Issue date Jul 12, 1988
- Plessey Overseas Limited
- Graham Beniston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE