Bjoern Bluethgen

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Celle, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for encoding analog signals
- Patent number 4,453,158
- Issue date Jun 5, 1984
- Polygram GmbH
- Bjoern Bluethgen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for encoding analog signals using PCM difference code word f...
- Patent number 4,438,522
- Issue date Mar 20, 1984
- Polygram GmbH
- Bjoern Bluethgen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE