Ernst Schroder

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Hannover, DT

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Patents Grantslast 30 patents

Information Patent Grant
Variable gain amplifier with adjustable upper frequency limit
- Patent number 4,072,906
- Issue date Feb 7, 1978
- Licentia Patent-Verwaltungs-GmbH
- Ernst Schroder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with variable gain
- Patent number 4,066,976
- Issue date Jan 3, 1978
- Licentia Patent-Verwaltungs-GmbH
- Gerhard Dickopp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal dynamic compression and expansion circuits
- Patent number 4,035,739
- Issue date Jul 12, 1977
- Licentia Patent-Verwaltungs-GmbH
- Gerhard Dickopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier with controllable transmission factor and switchable cont...
- Patent number 4,034,308
- Issue date Jul 5, 1977
- Licentia Patent-Verwaltungs-GmbH
- Jurgen Wermuth
- H03 - BASIC ELECTRONIC CIRCUITRY